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73results about "Tread-and-riser units" patented technology

Fabricated stair structure device

The utility model relates to the field of assembly type stairs, and discloses an assembly type stair structure device. The device comprises a base, a first supporting column, a handrail reinforcing rod, a rotating platform and a second supporting column, the lower end of the second supporting column is fixedly connected with the upper end of the base, and the rear side of the lower end of the rotating platform is fixedly connected with the upper end of the first supporting column; a movable pedal mechanism is arranged at the lower end of the handrail reinforcing rod; a pedal is arranged at the upper end of the movable pedal mechanism; the stair is moved through the lifting wheels, the universal wheels are driven to move upwards through the hydraulic rods after movement is completed, the stair is placed and supported through the base, the position of the limiting sliding block is adjusted through sliding of the limiting sliding block and the limiting rods, the limiting sliding block is fixed through the limiting threaded nails after adjustment, and therefore the pedals are adjusted; after adjustment, the baffles of different sizes are installed according to the height between the pedals, during installation, fixing is conducted through connection of threaded nails, threaded holes and second threaded holes, and therefore gaps between the pedals are protected.
Owner:YUNNAN JIUTAI CONSTR TECH CO LTD

Prefabricated stair convenient to install

The utility model discloses a prefabricated stairway convenient to install, which comprises a prefabricated stairway main body, an installation structure is arranged in the prefabricated stairway main body, the installation structure comprises an installation groove, a connecting floor slab and a fixing groove, the installation groove is horizontally arranged on one side of the top of the prefabricated stairway main body, and the connecting floor slab is arranged in the installation groove. The fixing grooves are formed in the upper surfaces of the bottoms of the prefabricated stair bodies, one ends of the connecting floor slabs are inserted into the mounting grooves, the other ends of the connecting floor slabs are clamped into the fixing grooves and flush with the tops of the prefabricated stair bodies, the two prefabricated stair bodies are connected through the two ends of the connecting floor slabs correspondingly, and the floor slabs are inserted into the mounting grooves and clamped into the fixing grooves. And a complete stair is formed to connect two layers.
Owner:KEYI COLLEGE OF ZHEJIANG SCI TECH UNIV

A connecting component for a stair tread, riser, and turning connecting platform

ActiveCN119843836BTread-and-riser units
The present invention discloses a connection component for a stair tread, a riser, and a turning connection platform, which relates to the technical field of stair construction. A connection component for a stair tread, a riser, and a turning connection platform includes a housing mechanism. The housing mechanism includes a housing. A stair component is sequentially lapped on the rear wall surface of the housing. The stair component includes a riser mechanism, a tread mechanism, and a control component for connecting the riser mechanism and the tread mechanism. The riser mechanism includes a riser. Symmetric side bar components are respectively and fixedly connected to both sides of the riser. The riser of the topmost stair component is fixedly connected to the housing. The tread mechanism includes a tread. A first sliding rod is horizontally penetrated and fixedly connected to one side of the tread. Second retaining disks are fixedly connected to both ends of the first sliding rod. A second sliding rod is horizontally penetrated and fixedly connected to the other side of the tread. A connection component for a stair tread, a riser, and a turning connection platform enables the riser mechanism and the tread mechanism to be spliced at different angles to adapt to different usage situations.
Owner:HENAN ZI TENG DECORATION MATERIALS CO LTD

Fabricated building component quick connecting structure

The utility model relates to the technical field of assembly type building structures, in particular to an assembly type building component quick connecting structure which comprises a fixing base, a fence, a mounting main rod, a threaded sleeve and a mounting component, the fence is fixedly connected with the upper surface of the fixing base, the mounting main rod is fixedly connected with the inner wall of the fixing base, and the threaded sleeve is in threaded connection with the mounting main rod. The mounting assembly is arranged on the surface of the mounting main rod and comprises a fixing plate, the fixing plate is slidably connected with the surface of the mounting main rod, a mounting groove is formed in the upper surface of the fixing plate, a pedal is slidably connected to the inner wall of the mounting groove, a fixing block is fixedly connected to the upper surface of the fixing plate, and a through groove is formed in the surface of the fixing block; insertion rods are slidably connected to the inner walls of the through grooves and slidably connected with the inner walls of the pedals. According to the stair dismounting device, the mounting assembly is arranged, so that the stair can be conveniently and rapidly dismounted, the construction efficiency is improved, materials can be repeatedly used, and the practicability of equipment is effectively improved.
Owner:刘明述

Landscape greening step

This utility model belongs to the field of landscape architecture and discloses a landscape greening step, installed on the main body of the steps. It includes an extension component, comprising an extension plate and columns, with a movable cavity between the columns, the extension plate, and the step wall. The movable component includes a movable plate that abuts against the ground or step surface and is movably disposed within the movable cavity, extending outwards. A planting box is detachably installed on the movable plate. Side panels are detachably installed between two columns. By adding the extension plate and columns, the original step body with cliffs on both sides can be extended by adding this component, allowing for the creation of a cavity that does not interfere with normal pedestrian movement without compromising the original structural strength. Landscape greenery can be placed within this cavity to enhance the step's aesthetics and greenery. This solution can thus modify an existing, constructed step body, improving its landscape greening effect.
Owner:SHANGHAI PENTACORN LANDSCAPE TECHNOLOGY CO LTD

Stair structure

The utility model discloses a stair structure, and relates to the technical field of house construction. The device comprises a step fixedly connected to one side of a wall, a mounting table is fixedly connected to the other side of the step, a clamping groove is formed in one side of the mounting table, a sliding rod is fixedly connected to the interior of the clamping groove, springs symmetrically sleeve one end of the sliding rod, and arc-shaped clamping blocks are fixedly connected to one ends of the springs; the arc-shaped clamping blocks are slidably connected to the interiors of the clamping grooves, the arc-shaped clamping blocks are arranged at one ends of the sliding rods in a sleeving mode, a potted plant is installed at one end of the step, and the potted plant is installed between the two arc-shaped clamping blocks. According to the device, firstly, a potted plant is inserted between two arc-shaped clamping blocks, then deformation is generated through stress of a spring, the two arc-shaped clamping blocks are oppositely ejected out in the length direction of a sliding rod, and the two arc-shaped clamping blocks oppositely clamp the potted plant, so that the potted plant is installed more stably, and the possibility that the potted plant tumbles after being collided is effectively reduced.
Owner:FACTORY MENTOR JOINT ENG (SHANGHAI) CO LTD

Seamless integrated step splicing structure used in hundred-grade clean room

The utility model discloses a seamless integrated step splicing structure used in a hundred-grade clean room in the technical field of clean room equipment, which comprises a ground decoration layer, a first stainless steel step support frame is arranged at the top of the ground decoration layer, an integrated stainless steel step is arranged at the top of the first stainless steel step support frame, and a second stainless steel step is arranged at the bottom of the integrated stainless steel step. A lap joint edge is arranged at one end of the integrated stainless steel step, a side integrated arc is arranged on the surface of the integrated stainless steel step, a side baffle is arranged on one side of the integrated stainless steel step, and a first PVC anti-slip strip is arranged at the top of the first stainless steel step supporting frame. Through the arrangement of a ground decoration layer, a first stainless steel step supporting frame, a lap joint edge, an integrated stainless steel step, a side integrated arc, a side baffle, a first PVC anti-slip strip and a second stainless steel step supporting frame, the seamless integrated step splicing structure clean room step integration function used in a hundred-level clean room is achieved, and the clean room step integration function cannot be easily cleaned; and the cleaning convenience of the seamless integrated step splicing structure used in the hundred-level cleaning chamber is improved.
Owner:HUASHEN SCIENTIFIC RESEARCH ARCHITECTURAL DESIGN (SHENZHEN) CO LTD

Modularized assembly type crossed staircase

The utility model discloses a modularization assembly type cross staircase, relates to building structure field, including platform beam, ladder column and cross support staircase structure, four groups of ladder column and platform beam are spliced together, the platform beam is respectively connected between two ladder column along the horizontal direction, the cross support staircase structure is connected with the ladder column along the horizontal direction, and the cross support staircase structure is connected with the cross support staircase structure through the cross support staircase structure. The cross supporting stair structure is connected between the two opposite platform beams, and one side of the cross supporting stair structure is close to an existing building structure, so that a continuous up-and-down walking channel is formed; the cross support stair structure comprises inclined stair beams, step plates and U-shaped connecting pieces, and the step plates are limited between the two opposite inclined stair beams. The stair columns are additionally arranged, so that the overall structure of the stair is separated from an existing building structure, and follow-up movement and disassembly are facilitated.
Owner:中交综合规划设计院有限公司

Heightening device for skirting board, skirting board, ladder stand platform and transformer substation

The utility model belongs to the technical field of transformer station equipment, and provides a skirting board heightening device, a skirting board, a ladder stand platform and a transformer station, the skirting board heightening device comprises a vertical plate and two elastic plates arranged at one end of the vertical plate; the distance between the two elastic plates is gradually decreased in the direction from the position close to the vertical plate to the position away from the vertical plate. The vertical plate can be detachably arranged on the skirting board through the two elastic plates, heightening of the skirting board is achieved, the problem that the height of the skirting board does not meet the standard requirement due to the fact that a steel grating and the like are placed is solved, the skirting board does not need to be integrally replaced or subjected to other transformation, and input of manpower and resources is reduced; and meanwhile, through inclined arrangement of the two elastic plates, the clamping stability of the two elastic plates to the skirting board can be improved.
Owner:SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP

Prefabricated steel structure stair and assembling method thereof

This invention relates to a prefabricated steel structure staircase and its assembly method, specifically within the technical field of prefabricated steel structure staircases. The invention addresses the problems of existing steel structure staircases, which require on-site welding, resulting in low construction efficiency, high labor costs, and cumbersome transportation due to their long length, necessitating the use of large hoisting equipment and incurring high operating costs. The invention comprises multi-layered stair column assemblies and multi-layered staircase assemblies. The multi-layered stair column assemblies are arranged sequentially from bottom to top along the outer end of the frame assembly. The stair column assemblies are fixed to the outer end of the frame assembly via TU snap-fit ​​nodes. Each layer of stair column assemblies is fixedly connected to one layer of staircase assembly. Each layer of staircase assembly includes a landing assembly, a lower stair flight assembly, and an upper stair flight assembly. The landing assembly is connected to the stair column assembly via TB or UT nodes. This invention is used for building connections.
Owner:HARBIN ENG UNIV

Fabricated UHPC spiral stair

The utility model discloses an assembly type UHPC spiral stair which comprises a center column, a connecting plate and a plurality of stair plates, an installing plate is arranged at the bottom of the center column, the installing plate is further provided with an auxiliary fixing block, the number of the stair plates is multiple, the stair plates are evenly arranged in the height direction of the center column, and the connecting plate is connected with the connecting plate. The other ends of the stair plates are sequentially arranged in a staggered mode in the circumferential direction of the stair plates, the rotating angle between every two vertically-adjacent stair plates is 20 degrees, the connecting plates are trapezoidal, one ends of the connecting plates are fixedly connected with the center column, the other ends of the connecting plates are connected with the stair plates, and the rotating angle between every two vertically-adjacent stair plates is 20 degrees. A clamping tooth part is arranged at the bottom of each stair plate, and a first clamping block and a second clamping block are arranged on the two sides of the upper portion of each clamping tooth part, so that the whole stair is stable in structure, loads are evenly distributed, the problem of stress concentration possibly occurring in a traditional spiral stair is solved, and UHPC (ultra-high performance concrete) materials are adopted; and the stair plate and the connecting plate have higher strength and durability.
Owner:FUJIAN EXPRESSWAY LUQIAO NEW MATERIAL TECH CO LTD

Prefabricated concrete assembly type stair vertical plate connecting piece

ActiveCN222924039UTread-and-riser units
The utility model discloses a prefabricated concrete assembly type stair vertical plate connecting piece, which belongs to the technical field of assembly type stairs and comprises a flat plate and a vertical plate body, L-shaped frames are arranged on the outer sides of the flat plate and the vertical plate body, and a sliding groove is formed in the outer side of the flat plate; the two square blocks at the bottom of the vertical plate body are inserted into the inner walls of the two square grooves, so that the square blocks can extrude the insertion rods downwards along the slope openings until the square blocks are completely installed on the inner walls of the square grooves; at the moment, the inserting rods correspond to the inserting holes in position, the ends, close to the slope openings, of the inserting rods can be reset to the inner cavity positions of the square grooves by means of the acting force of the springs, then the inserting rods are inserted into the inner walls of the inserting holes, the flat plate and the vertical plate body are rapidly installed, no auxiliary tool is needed in the installation process, bolts do not need to be tightened, and convenience is achieved; the pulling plate is pulled to drive the inserting rod to be separated from the inner wall of the inserting hole to achieve disassembly, and time and labor are saved.
Owner:BEIJING JISHIYUDA TRADING CO LTD

Adjustable LED decorative step stair

The adjustable LED decorative step stair of the new type relates to a kind of adjustable LED decorative step stair, it includes several step units, each step unit includes steel plate support structure, expansion bolt, upper horizontal stone plate, lower horizontal stone plate, LED lamp groove assembly, inner side vertical stone plate and outer side vertical stone plate, steel plate support structure is fixed on the vertical face corresponding to building ladder wall by expansion bolt, upper horizontal stone plate is laid on the upper surface of overhanging portion of horizontal steel plate by stone adhesive, lower horizontal stone plate is adhered on the lower surface of overhanging portion of horizontal steel plate by stone adhesive, outer side vertical stone plate is adhered on the bottom edge of upper horizontal stone plate and outer end surface of horizontal steel plate, LED lamp groove assembly is arranged in the recess formed by lower horizontal stone plate, outer side vertical stone plate and horizontal steel plate. After using the above structure, the new type can ensure that the step height and width are strictly uniform, and significantly improve safety, decoration and construction efficiency.
Owner:SHENZHEN ANXING DECORATION DESIGN ENG

Precast plastic permanent stair treads and landing / platform planks

PCT designated stage expiredWO2025006905A3TreadsFlooringPlankArchitectural engineering
A permanent stair tread for installation in a building stairway structure, the stairway structure including the permanent stair tread can attach to and be supported by a stringer or a pair of opposed stringers. The permanent stair tread has a core structure, the core structure composed of inorganic materials in the range of greater than ninety four percent and up to and including one hundred percent.
Owner:GARDNER TECHNOLOGIES LLC

A type of assembled staircase

This utility model relates to an assembled staircase, specifically in the field of precast concrete staircase technology. It includes staircase side beams, tread structures, and fasteners. The staircase side beams are installed on both sides of the tread structure using fasteners. The tread structure includes support beams, a starting tread, intermediate treads, and a top tread. Multiple intermediate treads are arranged between the starting tread and the top tread, and support beams are provided at the lower openings of both the starting tread and the top tread. This utility model uses two staircase side beams, support beams, a starting tread, intermediate treads, a top tread, and fasteners to form a complete staircase, facilitating installation and transportation and greatly improving convenience.
Owner:ZHEJIANG ZHIZAO PREFABRICATED BUILDING TECH CO LTD

Undisturbed soil step structure

The utility model relates to an undisturbed soil step structure. The utility model is suitable for the technical field of outdoor steps. The technical problem to be solved by the application is to provide an undisturbed soil step structure. According to the technical scheme, the undisturbed soil step structure comprises an undisturbed soil step body, the front edge of a tread of the undisturbed soil step body is provided with a first convex part, the rear edge of the tread is provided with a clamping groove, and the undisturbed soil step body is arranged on the surface of a slope in a multi-stage mode; the wood-like cross rods are arranged between every two adjacent undisturbed soil step bodies, the bottoms of the wood-like cross rods are clamped in the clamping grooves of the undisturbed soil step bodies, and rectangular grooves capable of being matched with the first convex parts of the undisturbed soil step bodies are formed in the tops of the wood-like cross rods; and a second convex part capable of abutting against the top surface of the next-stage undisturbed soil step body is arranged on the surface of the wood-like cross rod.
Owner:POWERCHINA HUADONG ENG CORP LTD

Steel structure stair

The utility model relates to the technical field of steel structures, in particular to a steel structure stair which comprises a stair frame, a plurality of stair plates are installed on the stair frame, each stair plate comprises a horizontally-arranged step plate and a vertically-arranged head-on plate, and the step plates and the head-on plate are integrated. The step plate and the head-on plate form a structure with an external corner outside, the lower surface of the step plate and the lower surface of the head-on plate form an internal corner structure, a penetrating pipe penetrating through the two sides of the lower surface of the step plate is arranged below the step plate, the penetrating strip is installed in the penetrating pipe and penetrates through the penetrating pipe to be connected, and bolts are arranged at the two ends of the penetrating strip. Mounting holes are formed in the stair frame, the bolts penetrate through the mounting holes to be connected, and nuts are mounted on the bolts. The utility model has the advantages of simple installation, strong bearing capacity and difficult deformation.
Owner:XUCHANG JUNFU STEEL STRUCTURE ENGINEERING CO LTD

Anti-slip carpet and staircase with carpet

The present invention provides an anti-skid carpet, comprising a carpet body and a buckle assembly, wherein the carpet body is covered on the tread and the vertical plate of the stairs, the carpet body is provided with a buckle part, the buckle assembly comprises a fixed body and a buckle part, the fixed body is connected to the vertical plate and / or the tread of the stairs, and the buckle part is used to be buckled and connected to the buckle part, so that the carpet body can be detachably connected to the buckle assembly, thereby realizing the detachable connection between the anti-skid carpet and the stairs. At the same time, since the carpet body can be well fixed on the stairs, the carpet can be effectively prevented from being displaced due to pedestrians stepping on it, and the danger of pedestrians stepping into the air due to the displacement of the carpet and not being in contact with the stair surface can be avoided, thereby improving the safety of carpet use, and thus being conducive to improving the user experience.
Owner:SHENZHEN GENERAL INST OF ARCHITECTURAL DESIGN & RES

Modularized stair mounting structure

The invention relates to the technical field of stairs, and particularly discloses a modular stair mounting structure which comprises edge beams, bending pieces, a tread surface layer and a kicking surface layer. The side beam is provided with a hook piece; the bending piece is formed by bending a mounting plate, a tread supporting plate and a kicking surface supporting plate in a triangular shape, and the mounting plate is connected with the hook piece in a hooking mode and further fixed to the edge beam through a fastener; the tread surface layer is arranged on the tread supporting plate, and the kick surface layer is arranged on the front side of the kick surface supporting plate. Rapid positioning and temporary supporting are achieved through the hooks, the final connection strength is guaranteed through bolt fastening, and the installation efficiency, precision and overall stability of the staircase are effectively improved. The structure is high in modularization degree, and standardized production and field assembly are facilitated.
Owner:GUANGDONG TIANHUI CONSTR TECH CO LTD

Prefabricated stair

The utility model relates to the technical field of prefabricated buildings, and discloses a prefabricated stair which comprises stair plates, an upper lapping table and a lower lapping table, two positioning holes distributed in a mirror image mode are formed in each of an upper connecting plate and a lower connecting plate, and three dovetail grooves arranged in a linear array mode are fixedly formed in one side of each of the upper connecting plate and the lower connecting plate; the upper ends of the two supporting plates are each fixedly connected with two positioning columns arranged in a mirror image distribution mode, and one side of the lower connecting plate and one side of the upper lapping table are each fixedly connected with three dovetail joints arranged in a linear array mode. According to the prefabricated stair and stair plate, through arrangement of connecting structures such as the positioning holes, the through holes, the dovetail grooves and the dovetail tenons, the connecting accuracy and reliability between stair modules are ensured, all components are tightly connected through the structures such as the positioning columns, the threaded columns and the dovetail tenons, the connecting strength is improved, and the connecting effect is good. And the overall structure of the stair is more stable.
Owner:ANHUI TONGJIAN CONSTR GRP CO LTD

Steel structure stair ground washing stone structure and construction method

The invention provides a steel structure stair ground washed stone structure which comprises a steel structure stair and washed stone composite layers, the steel structure stair comprises a kicking face and a tread, and the kicking face and the tread are each provided with the washed stone composite layer. The washed stone composite layer comprises an anti-rust paint layer, a cement-based interface agent layer, a washed stone layer and a washed stone finish-coat paint layer from bottom to top. On the other hand, the invention provides a construction method of the steel structure stair ground washing stone structure. The construction method mainly comprises the steps of base layer treatment, anti-rust primer brushing, interface agent brushing, dividing strip pasting, washing stone construction, dividing strip taking out, maintenance and finish-coat paint construction. Through the multi-layer composite structure design, a complete technical solution is constructed from the three dimensions of rust prevention, bonding and protection, the defects that a washed stone structure is prone to hollowing, delaminating, cracking, rusting and stone falling are effectively overcome, and the using effects that the steel structure stair washed stone is free of rusting, hollowing and falling, resistant to pollution and long in service life are achieved.
Owner:GUANGDONG NO 1 CONSTRUCTION ENGINEERING CO LTD

Modular stair installation structure

The application relates to the technical field of staircases, and particularly discloses a modular staircase mounting structure which comprises a side beam, a bent piece, a tread surface layer and a kick surface layer; the side beam is provided with a hooking piece; the bent piece is triangularly bent by an installation plate, a tread surface supporting plate and a kick surface supporting plate, the installation plate is hookingly connected with the hooking piece, and the installation plate is further fixed to the side beam through fasteners; the tread surface layer is arranged on the tread surface supporting plate, and the kick surface layer is arranged on the front side of the kick surface supporting plate. The application realizes quick positioning and temporary support through hooking, further guarantees the final connection strength through bolt fastening, and effectively improves the installation efficiency, precision and overall stability of the staircase. The structure has high modularization degree and is convenient for standardized production and on-site assembly.
Owner:GUANGDONG TIANHUI CONSTR TECH CO LTD

Mortise and tenon type hard stair step

The utility model discloses a tenon-and-mortise type hard stair step, and particularly relates to the technical field of stair steps. The tenon-and-mortise type hard stair step comprises a transverse base plate, a vertical base plate, a transverse veneer and a vertical veneer, the transverse base plate and the vertical base plate are inorganic stone or artificial stone base layers, the transverse veneer and the vertical veneer are stone or rock plates or ceramic tiles, grooves are formed in the two opposite sides of the vertical base plate, the two grooves are in central symmetry, and the transverse base plate and the vertical base plate are arranged in parallel. The two opposite sides of the transverse base plate are each provided with a protrusion, the two protrusions are in central symmetry, the protrusions are matched with the grooves, and the transverse base plate and the vertical base plate are installed from top to bottom. According to the tenon-and-mortise type hard stair step, the transverse base plate and the vertical base plate which are connected through the tenon-and-mortise structure are adopted, tedious procedures in the stair step construction process are reduced, the construction difficulty is lowered, meanwhile, the labor intensity of constructors is greatly reduced, the manufacturing cost is saved, and convenience is brought to users.
Owner:NANTONG OSH NEW BUILDING MATERIALS TECHNOLOGY CO LTD

Decorative system for decorative surfaces of steps on two sides of stage

The utility model discloses a stage two-side step facing decoration system which comprises brick steps, vertical plywood is arranged on the right side faces of the brick step steps, vertical facing bricks are arranged on the right side faces of the vertical plywood, horizontal plywood is arranged on the upper side faces of the brick step steps, and horizontal facing bricks are arranged on the upper side faces of the horizontal plywood. The right side of the horizontal plywood is flush with the right side face of the vertical plywood. According to the utility model, the vertical plywood is attached to the vertical surface of the brick step step, and the vertical tapestry brick is inserted into the outer side surface of the vertical plywood from top to bottom, so that the vertical surface decorative structure of the brick step step is mounted and fixed; the brick step horizontal plane decoration structure can be installed and fixed by attaching the horizontal plywood to the brick step horizontal plane and clamping the horizontal face brick to the upper side face of the horizontal plywood, so that the brick step overall decoration structure is rapidly installed and fixed, and the construction efficiency of the system is greatly improved.
Owner:CHINA CONSTR SECOND BUREAU DECORATION ENG CO

Part and method for renovating stairs by laying a covering

PendingEP4717847A1TreadsLighting elements
A stair tread covering piece intended to be mounted on a step of a staircase composed of a plurality of steps separated by risers. It has a plate configuration comprising a main flat panel (1) intended to cover a step, said panel (1) being extended, along the long sides of the panel (1) oriented perpendicular to the line of travel, by two lateral panels (2, 3) with a perpendicular appearance to the main panel (1), an upper panel (2) and a lower panel (3).
Owner:CIULLA PHILIPPE +2

Wind power tower tube outer crawling ladder step positioning device

The utility model discloses a wind power tower tube outer crawling ladder step positioning device, which relates to the technical field of wind power tower tube outer crawling ladders, and comprises two parallel support plates, a plurality of detachably connected steps are arranged between the two support plates, and each step comprises a horizontal plate and a vertical plate which are integrally connected. Magnetic metal inserting columns are symmetrically arranged on the side face, away from the vertical plate, of the horizontal plate, inserting holes matched with the magnetic metal inserting columns in structure are formed in the vertical plate, magnetic attraction buckles are arranged in the inserting holes, protruding blocks are arranged on the two end faces of the horizontal plate, grooves are formed in the opposite side faces of the two supporting plates, and the two supporting plates are arranged in the grooves. The grooves and the protruding blocks are arranged in a one-to-one correspondence mode. According to the positioning device for the outer crawling ladder step of the wind power tower tube, on the premise that it is guaranteed that the step is conveniently transported, the outer crawling ladder step and the supporting plate can be rapidly fixed, and the installation efficiency of the outer crawling ladder of the wind power tower tube is improved.
Owner:河北云蛟实业集团有限公司

Test protection device

The utility model discloses a test protection device which comprises a lifting lug and at least two steel plates, at least one step is arranged between the steel plates, the top of each steel plate is provided with the lifting lug, a second step is arranged on the upper right of every two steel plates, and an end plate is arranged on the rear side, connected with the steel plates, of each second step. According to the utility model, the stability of the whole structure is enhanced through the tight connection between the steps and the steel plates and the use of the bolt fasteners. The combined steel plate and the step form a firm protection structure, so that reliable protection can be provided in the test process, and the influence of the external environment on the test device or the damage of the danger generated in the test process to external personnel or equipment can be prevented. The steel plates and the slots are made of stainless steel materials, so that the strength and durability of the device are ensured. The stainless steel material not only has higher mechanical strength and corrosion resistance, but also is easy to clean and maintain, so that the service life of the device is prolonged.
Owner:CHINA POWER CONSTR (GUANGNING) GREEN MINING CO LTD