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337results about "Stairways" patented technology
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Spatial three-dimensional suspended corridor and optimization method therefor
Disclosed in the present invention is a spatial three-dimensional suspended corridor, comprising a suspended corridor that connects indoor floor passageways, wherein diagrid columns are provided on all edge portions of the indoor floor passageways; the suspended corridor comprises several fixed segments and several bridge deck segments from bottom to top; and the fixed segments or corner segments are all connected to the corresponding bridge deck segments by means of node connecting components. In the present invention, by means of some implementable tests and on the basis of having a preliminary understanding of the stress performance of a corridor structure, a corridor simulation model is also established, parameters of the model are continuously optimized for repeated debugging, preliminary stress performance calculations are then performed and compared with results of some previously conducted tests, and if results are quite similar to the test results, this proves that the model is relatively optimal, that is, an optimized model is obtained, and then this model is used to analyze other more complex performances of the corridor. The optimization objective of the present invention is to make the structure and stress of an aerial corridor safer, more reliable and more comfortable.
Owner:2ND CONSTR CO LTD OF CHINA CONSTR 5TH ENG BUREAU
Multi-stage shock insulation and absorption device applied to staircase and shock absorption method of multi-stage shock insulation and absorption device
PendingCN120401684AProtective buildings/sheltersStairwaysVertical vibrationUltimate tensile strength
The multi-stage shock isolation and absorption device comprises a base, and the bottom of the base is connected with a rest platform picking-out plate; the connecting seat is arranged on the upper portion of the base, and the lower surface of the connecting seat is connected with the upper surface of the base through a friction pendulum energy dissipation mechanism; the elastic connecting piece is arranged between the base and the connecting seat; a shearing groove is formed in the upper portion of the connecting base, a box type shearing structure is arranged in the shearing groove, the upper portion of the box type shearing structure is open, and a vertical vibration isolation unit is arranged in a box body of the box type shearing structure; the left side and the right side of a box body of the box-type shearing structure extend to be provided with wing-shaped pressure-bearing steel plates, and the upper surface and the lower surface of a shearing energy dissipation plate are fixedly connected with the inner wall of a shearing groove of the connecting base through viscoelastic energy dissipation material layers correspondingly. Two energy dissipation modes of viscoelasticity and a friction pendulum energy dissipation mechanism are combined, and energy can be effectively dissipated under different earthquake intensities according to damage characteristics of stairs during earthquake.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Temporary protection mechanism for prefabricated stairs
The utility model relates to a prefabricated stair temporary protection mechanism, which belongs to the technical field of prefabricated stair protection and comprises a prefabricated stair body, a protection mechanism arranged on the prefabricated stair body and a protection component arranged on the prefabricated stair body. The protection mechanism comprises two supporting plates slidably connected with the prefabricated stair body, supporting columns fixedly connected to the two supporting plates, two connecting bases fixedly connected to the two supporting columns, and sleeves hinged to the interiors of the two connecting bases on the right side. According to the prefabricated stair temporary protection mechanism, by arranging the protection mechanism, the protection device has the limiting and fixing functions, the protection device is fixed to the prefabricated stair body in a limiting mode, and therefore the protection device can be conveniently and rapidly mounted and dismounted, the working efficiency during mounting and dismounting of the protection device is improved, and meanwhile the universality of the protection device is improved; the protection device is suitable for prefabricated stair bodies of different sizes, and the practicability of the protection device is improved.
Owner:HAITONG CONSTR GRP
Concrete prefabricated stair component
ActiveCN223075058UProtective buildings/sheltersBuilding insulationsEarthquake resistanceArchitectural engineering
A concrete prefabricated stair member belongs to the field of concrete prefabricated members. The concrete prefabricated stair component solves the technical problems that an existing prefabricated concrete stair is not stable enough due to the structure of a mounting hole, damage is prone to occurring in the assembling process, and the stability of follow-up earthquake resistance is poor, and then the concrete prefabricated stair component is provided. Bolts in the vertical direction are embedded in the lifting lugs of the upper stair beam and the lower stair beam correspondingly, and the stair body and the bolts are installed in a matched mode through the upper assembling holes and the lower assembling holes correspondingly. The diameter of the lower hole is smaller than that of the upper hole, a gasket is installed on the top face of the lower hole, and a nut is connected with a bolt and screwed through the gasket. Hole edge reinforcing ribs are arranged on the outer sides of the upper assembling hole and the lower assembling hole in the horizontal direction, the hole edge reinforcing ribs are arranged in an upper layer and a lower layer, and the outer sides of the hole edge reinforcing ribs are sleeved with stirrups in the vertical direction. Damage is not prone to occurring in the assembling process, and the overall shock resistance is improved. The precast concrete stair is used for precast concrete stairs.
Owner:CRCG INT LTD +1
Building wall
Provided is a building wall constructed in the vicinity of a building material constructed in advance, the building wall facilitating the fastening of an underlayer surface member and an upper layer surface member constituting the building wall. This building wall 100 comprises an underlayer 20 connected to a plurality of studs 10, an intermediate layer 30 connected to the underlayer 20, and an upper layer 40 connected to the intermediate layer 30. A building material 81 independent of the building wall 100 is arranged on, from among an upper layer surface member 41, a surface opposite to a back surface facing an intermediate surface member 31. A underlayer surface member 21 is fastened to the stud 10 by a first fixing member 50, the intermediate layer surface member 31 is fastened to the underlayer surface member 21 by a third fixing member 60, and the upper layer surface member 41 is fastened to the intermediate surface member 31 by a fourth fixing member 70. Respective fastening positions of the first fixing member 50, the third fixing member 60, and the fourth fixing member 70 are set in regions avoiding the building material 81.
Owner:YOSHINO GYPSUM CO LTD
Large-span prefabricated stair post-cast strip formwork system
ActiveCN223269506UForms/shuttering/falseworksAuxillary members of forms/shuttering/falseworksEconomic benefitsLong span
The utility model discloses a large-span prefabricated stair post-cast strip formwork system which comprises an upper formwork assembly and a lower formwork assembly which are arranged at the joint of a prefabricated stair and used for forming a post-cast strip, and the upper formwork assembly and the lower formwork assembly are connected through a split screw penetrating through the upper formwork assembly and the lower formwork assembly and clamp and fix the prefabricated stair at the joint of the prefabricated stair. The upper mold assembly comprises a step mold plate arranged at the stair section of the prefabricated stair, and the width of the step mold plate can be adjusted to adapt to the step width of the prefabricated stair. According to the large-span prefabricated stair post-cast strip formwork system, the problems that solidification is waited, abutted seams leak slurry, the surface is uneven and the apparent quality is poor in an original post-cast strip pouring construction mode are solved, the construction difficulty is reduced, and the large-span prefabricated stair post-cast strip formwork system has the advantages of being easy and convenient to construct, reliable in quality, environmentally friendly, obvious in economic benefit and good in application prospect.
Owner:CHINA METALLURGICAL CONSTR ENG GRP
Fabricated stair
The utility model relates to the technical field of assembly type buildings, in particular to an assembly type stair which comprises a stair body, an upper platform fixed to the top of the stair body and a lower platform fixed to the bottom of the stair body, a plurality of steel bar frames are fixed to the side wall of the upper platform, and inserting grooves matched with the steel bar frames are formed in the side wall of the lower platform. The inserting groove of the upper staircase is inserted into the reinforcing steel bar frame of the lower staircase; a plurality of reinforcing frames are fixed to the periphery of the steel bar frame, a U-shaped clamping groove is fixed to the side wall of the upper platform, a U-shaped clamping plate matched with the U-shaped clamping groove is fixed to the side wall of the lower platform, the upper platform and the lower platform are connected through the horizontal upper platform, and the top of the lower platform is provided with a sprue gate. And the effect of conveniently pouring cement is achieved.
Owner:CSCEC STRAIT CONSTR & DEV +1
Water drop type stair optimization construction method based on BIM and point cloud model
The invention discloses a water drop type stair optimization construction method based on BIM and a point cloud model, a water drop type stair structure part has been constructed, and the elevation and the axis direction of a construction site change relative to an original design drawing; an existing surface plate body is a double-curved-surface rotating plate body, and the original design position of the plate body is occupied by part of on-site construction structures. An existing construction structure is repositioned through horizontal projection, so that the accuracy of subsequent BIM model establishment is ensured, and site construction is met; on-site structure information can be accurately captured through on-site three-dimensional scanning, and subsequent accurate matching is facilitated; through the BIM model after matching, it is guaranteed that the surface plate body meets the design requirement and can meet the size and positioning requirements of on-site construction, and it is beneficial for guaranteeing the positioning accuracy and feasibility of the surface plate body; by reversely pushing out the steel frame model, convenience in fixed installation and construction of the surface plate body is guaranteed, and the top of the steel frame serves as a suspended ceiling framework, so that more construction cost and procedures are saved.
Owner:北京市建筑工程装饰集团有限公司
Assembly type wooden stair splicing formwork structure
The utility model discloses an assembly type wooden stair splicing formwork structure which comprises two inclined side plates, two side plates, two side plates, two side plates, two side plates, two side plates, two side plates and two side plates, and inserting grooves are formed in the tops of the side plates at equal intervals; the mounting piece is clamped into the slot, and the top of the mounting piece is lower than the horizontal plane at the opening of the slot; the limiting plates are located at the tops of the side plates, limiting columns are further fixed to the bottoms of the limiting plates, and the limiting columns are connected with the mounting pieces in a clamped mode, so that all the mounting pieces are connected into a whole, one or more mounting pieces are prevented from being separated, and the mounting stability is improved; the limiting piece is arranged on the inner wall of one side of the inserting groove, and the limiting piece abuts against the mounting piece; according to the utility model, the whole template is assembled in a clamping manner, so that the tedious phenomenon of bolt disassembly and assembly is avoided, meanwhile, the installation stability can be ensured, the splicing manner is relatively simple, the template can be suitable for assembling wooden stairs, the whole operation is very flexible, and the limitation in use is greatly reduced.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
Anti-seismic buffer structure of prefabricated stair
ActiveCN223781000UCleaning using toolsProtective buildings/sheltersArchitectural engineeringShock resistance
The utility model relates to the technical field of prefabricated stairs, in particular to a prefabricated stair anti-seismic buffering structure which comprises an anti-seismic buffering assembly, a prefabricated stair body is arranged on the outer side of the anti-seismic buffering assembly, a protective fence is fixedly connected to the upper end face of the prefabricated stair body, and the anti-seismic buffering assembly comprises a supporting box. Supporting seats are fixedly connected to the two sides of the inner wall of the supporting box, a positioning rod is fixedly connected between the two supporting seats, an adjusting seat is slidably arranged on the surface of the positioning rod, reset springs are fixedly connected between the adjusting seat and the supporting seats, a first connecting seat is fixedly connected to the bottom end of the adjusting seat, and a second connecting seat is fixedly connected to the outer side of the supporting seat; according to the prefabricated staircase, the horizontal thrust of the prefabricated staircase body can be weakened or counteracted, the service life of the prefabricated staircase body is prolonged, and the safety and reliability of a building are ensured.
Owner:JIANGSU YUHUI NEW MATERIAL GRP CO LTD
Connecting structure of assembly type stair and steel beam
The utility model discloses a connecting structure of an assembly type stair and a steel beam. The connecting structure comprises a prefabricated stair flight plate assembly, a floor slab, an H-shaped steel beam and at least two bracket plates arranged at intervals. The prefabricated stair flight plate assembly comprises a stair flight plate; the floor slab is connected with the end part of the stair flight plate; the upper flange of the H-shaped steel beam is fixedly connected with the bottom of the floor slab; one ends of at least two bracket plates arranged at intervals are fixedly connected to the side, close to the stair flight plate, of a web of the H-shaped steel beam, the other ends of the bracket plates are arranged in the direction away from the floor, the distance between the tops of the bracket plates and the top of the floor is equal to the thickness of the ends of the stair flight plates, and the ends of the stair flight plates are in lap joint with the bracket plates. And the top of the stair flight plate is flush with the top of the floor slab. When the stair flight plate is thicker than the floor slab, compared with the mode that the stair flight plate is lapped on the steel beam, a base plate does not need to be additionally arranged on one side of the floor slab to level the height difference, the follow-up link about base plate construction is omitted, and factors needing to be considered in construction are reduced.
Owner:CHINA CONSTR SCI & IND CORP LTD
Building stair structure system
The invention provides a building stair structure system, and relates to the technical field of stair structures, the building stair structure system comprises a building, a single-column supporting structure and a stair assembly, the building comprises a multi-layer building platform, and the side edge of the building platform is provided with a first supporting structure; the single-column supporting structure comprises a supporting column, a plurality of second supporting structures and a connecting structure; the stair assembly comprises a plurality of connecting platforms, a plurality of transition platforms and a plurality of stair sections, the connecting platforms are connected with the corresponding first supporting structures, the transition platforms are connected with the corresponding second supporting structures, and the adjacent connecting platforms and transition platforms are connected through the stair sections in the height direction. Through the synergistic effect of the single supporting column and the building, double-side supporting of the staircase is achieved, a stable bearing system is formed, compared with an existing four-leg frame type steel ladder, steel is saved by about 50%, space conflicts with existing facilities on the side face of the building are effectively avoided, and the staircase has the advantages of being flexible in arrangement, convenient and fast to construct, high in adaptability and the like.
Owner:MCC CAPITAL ENGINEERING & RESEARCH INC LTD
An ecological restoration slope
ActiveCN117845961BReduce maintenance frequencyclean thoroughlyFatty/oily/floating substances removal devicesSewerage structuresWater flowEnvironmental engineering
Owner:BEIJING YANTU ENG KANCHAYUAN
Fabricated stair
The utility model discloses an assembly type stair which comprises a stair body, an assembly table is arranged at the upper end of the stair body, and a fixing base is arranged at the lower end of the stair body. A mounting groove with a downward opening is formed in the bottom surface of the fixed seat, an adjusting seat is arranged in the mounting groove, a working cavity is formed in the fixed seat above the mounting groove, a pair of height adjusting parts is arranged in the working cavity, lifting ends for driving the adjusting seat to translate up and down are arranged on the height adjusting parts, and a driving part is arranged in the working cavity between the two height adjusting parts; the driving part is in transmission connection with the two height adjusting parts, and the driving part is provided with an operation end embedded in the top face of the fixing base. The utility model has the advantages that the adjusting seat is easily driven to translate up and down, the overall height of the fixing seat is changed, the height adjustment of the assembly type stairway formed by the stairway main body, the assembly table and the fixing seat is realized, the problem of insufficient height when the assembly type stairway is installed between adjacent floors is solved, and the installation height deviation of the assembly type stairway is avoided; and the stability after installation is ensured.
Owner:CHINA RAILWAY SEVENTH GROUP FIFTH ENGINEERING CO LTD
Prefabricated building prefabricated stair structure
The invention relates to the technical field of prefabricated stairs, and discloses an assembly type building prefabricated stair structure which comprises threaded columns, the two threaded columns are rotationally connected to the middles of the inner sides of corresponding hollow plates correspondingly, rack plates are connected to the outer sides of the threaded columns in a threaded mode, and gears are rotationally connected to the front sides and the rear sides of the interiors of the hollow plates correspondingly. The top of the gear is fixedly connected with a threaded sleeve, the top of the threaded sleeve penetrates through the hollow plate and is in threaded connection with a first threaded block, the top of the first threaded block penetrates through the supporting plate and is fixedly connected with a mounting plate, a drainage assembly is arranged on the inner side of the supporting plate, and a holding assembly is arranged on the outer side of the stair plate. The mounting plate and the first threaded block are inserted into the supporting plate, the threaded column is rotated to drive the gear and the threaded cover, the first threaded block is made to move, the supporting plate is fixed between the hollow plates through the mounting plate, and the stair plate is convenient to replace. The sealing rubber strips enhance waterproof sealing, the preformed holes and the drainage grooves are matched for drainage, and the drainage effect is improved.
Owner:SHANGHAI GANGCHENG ARCHITECTURE INSTALL ENG CO LTD
A precast staircase with low mold opening cost and its manufacturing method
The present invention relates to a precast staircase with low mold opening cost and a manufacturing method thereof, including a precast flight of stairs, a post-cast stair beam, and a connecting platform; the precast flight of stairs includes a number of stair flight units that are sequentially and staggeredly stacked from bottom to top. After the stair flight units are clamped and fixed, the beam steel cage of the post-cast stair beam is placed and connected to the bent part extending from the inclined surface, and then concrete is cast at the beam steel cage to form the post-cast stair beam; the connecting platforms are respectively arranged at the top and bottom of the precast flight of stairs, and the connection between the connecting platform and the post-cast stair beam is realized synchronously by casting concrete at the beam steel cage; a connecting through-hole leading to the inclined surface is provided on the tread surface of the stair flight unit, and a hoisting embedded part extending to the post-cast stair beam is provided in the connecting through-hole. The present invention optimizes the manufacturing method of the precast flight of stairs, adopts stair flight units with a right-angled trapezoidal cross-section, and controls the lengths of the upper bottom surface and the lower bottom surface of the stair flight unit by controlling the slope of the inclined surface in the stair flight unit, so as to achieve the specified step height, and the overall production cost is low.
Owner:FUJIAN CONSTRUCTION ENGINEERING PREFABRICATED BUILDING RESEARCH INSTITUTE CO LTD
Prefabricated device for assembled building stair slabs and method of use
The present invention belongs to the field of building construction technology, specifically a prefabricated device for assembled building stair slabs and a method for using the same, comprising connecting components and assembled steps: the connecting components comprise an inclined connecting plate, both ends of the inclined connecting plate are fixedly connected with docking plugs, both sides of the inner wall of the inclined connecting plate are provided with through sockets, the top of the inner wall of the inclined connecting plate is provided with a rotation cut slot, and the top of the inner wall of the inclined connecting plate is provided with a transfer component through the rotation cut slot. The device is assembled in sections by assembling, and the installation position of each assembled step can be located by first installing the connecting components, and then the assembled step can be docked and installed with the connecting components by hoisting. Since the socket of the docking plug corresponds to the protrusion of the docking plug, it can be quickly proofread and installed, avoiding the problem of the assembled step shaking and injuring people due to the multiple movement and adjustment of the suspension device.
Owner:PINGHU WANJIAXING CONSTR IND CO LTD
Plate-type prefabricated stair for building
The utility model discloses a plate-type prefabricated stair for building, a steel structure is embedded in a stair plate and a support, the steel structure comprises a frame embedded in the support and a load-bearing steel bar embedded in the stair plate, the frame comprises two frames which are parallel to each other and coincide in projection, a plurality of groove bodies are evenly formed in the outer side of each frame, and the groove bodies are embedded in the support. Each load-bearing steel bar comprises an inclined section embedded in the corresponding ladder plate and a horizontal section embedded in the corresponding support, and the horizontal sections are installed in the groove bodies in a limited mode. The stressed steel bars and the frame are provided with limiting points, each stressed steel bar is provided with a horizontal section and an inclined section, the transition position is bent in an arc shape, the limiting points are groove bodies formed in the frame, when the stressed steel bars are installed, through limiting of the groove bodies, the stressed steel bars are evenly distributed, reasonably combined and evenly stressed, and the problem that the steel bars are disordered and not standard due to manual arrangement is solved.
Owner:HUBEI LIANNUO CONSTR CO LTD
Supporting platform for testing marine natural gas incineration device
The embodiment of the invention provides a supporting platform for testing a marine natural gas incineration device. The supporting platform comprises a main structure frame, a valve group platform, a pedestrian path and handrails. The main structure is of a welding structure and comprises multiple layers of platforms, the multiple layers of platforms are in a six-layer regular quadrangular tower form and comprise a lower layer platform and five upper layer platforms of the same structure, and the uppermost three upper layer platforms are of detachable structures. One side face of the upper-layer platform is a U-shaped opening, and enough cylindrical space is reserved in the middle. The valve group platform is positioned on three side surfaces of the main steel structure frame; a movable openable windproof canopy is arranged at the top of the valve group platform; the supporting platform is provided with a pedestrian path and handrails, and workers can reach all working areas of the valve group platform and the main steel structure frame from the ground through the pedestrian path and the handrails. The main steel structure frame is of a U-shaped opening structure, the front face of the main steel structure frame is provided with an inlet and outlet for hoisting GCU equipment, a space with the enough diameter is reserved in the middle of the main steel structure and used for deploying mainstream ship type GCU equipment, the bottom layer platform is arranged in a bent inclined strut mode, and the influence on equipment access channels is reduced.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP +2
Prefabricated stairway and method of construction thereof
The application discloses a prefabricated stair and a construction method thereof, and relates to the technical field of fabricated building construction. The first connecting mechanism is anchored in the installation groove on the ladder surface and extends to the side to form a welding position. The welding operation surface is shifted from the narrow end face of the ladder section plate in the traditional process to the side open area of the ladder section plate, avoiding quality defects such as incomplete fusion of the weld and slag inclusion caused by limited operation space, and ensuring the directness and stability of the stress transmission path. The installation groove is distributed on the same side along the length direction of the ladder body, so that only one side alignment needs to be concerned during hoisting and positioning, the difficulty of installation and positioning is reduced, the labor intensity of repeated adjustment is reduced, and the construction efficiency is improved. The risk of ladder section knocking or disconnection in the traditional sliding connection is avoided, and the reliability of the connection node and the safety of the structure as a whole are ensured.
Owner:CHINA RAILWAY 12TH BUREAU GRP SOUTH CHINA ENG CO LTD +1
Truss, floor slab and building component
The utility model provides a truss, a floor slab and a building component. The truss comprises an upper chord structure extending in a first direction; the web is in a wave shape, the overall length of the web extends in the first direction, the web is provided with a plurality of top inflection lines which are sequentially distributed in the first direction, and the top inflection lines are wrapped in the upper chord structure; the top inflection line extends in the second direction perpendicular to the first direction and is perpendicular to the edge lines of the two side wall faces of the web in the second direction. The machining difficulty of the upper chord structure and the web is reduced.
Owner:张立琦
Prefabricated stair structure
The utility model discloses a prefabricated stair structure which comprises a prefabricated stair mechanism, the prefabricated stair mechanism comprises a steel bar keel, a first bottom plate is arranged at one end of the steel bar keel, a side plate is arranged at the other end of the steel bar keel, and a plurality of pedals are arranged at the top end of the steel bar keel; the supporting mechanism comprises a top seat, the top end of the top seat is fixedly connected with the bottom end of the steel bar keel, and a supporting column is rotationally arranged at the bottom end of the top seat; and the number of the limiting mechanisms is two, each limiting mechanism comprises two lug seats, the side faces of the two lug seats are fixedly connected with the top seat, a rotating plate is jointly and rotationally connected between the two lug seats, a second rotating shaft is arranged at the top end of the rotating plate, and a limiting rod extending into the supporting column is slidably installed at the bottom end of the rotating plate. The prefabricated stair has the advantages of being fast to install and high in stability, and the problem that when an existing prefabricated stair is installed, a crane is occupied all the time, and consequently the installation efficiency of the prefabricated stair is reduced is solved.
Owner:DONGGUAN JIANAN HOUSING IND CO LTD
Device for connecting building parts, building section and method for connecting building parts
Owner:SCHOECK BAUTEILE GMBH
Outer wall unhooking type fully-prefabricated stair connecting joint and construction method thereof
PendingCN121556604AClimate change adaptationBuilding material handlingInsulation layerArchitectural engineering
The invention relates to an outer wall unhooking type fully-prefabricated stair connecting joint and a construction method thereof.The outer wall unhooking type fully-prefabricated stair connecting joint comprises fully-prefabricated stair plates and stair beams, each fully-prefabricated stair plate comprises a stair section and platform plates located at the two ends of the stair section, the platform plates and the stair section are integrally formed, through bolt holes are formed in the platform plates at the two ends, and screws are welded to the top faces of the stair beams; the platform plates at the two ends of the fully-prefabricated stair plate are placed at the tops of the stair beams on the corresponding sides respectively, screws on the stair beams penetrate through bolt holes in the platform plates and are fixed through nuts, the platform plates and the outer wall are not fixedly connected, gaps between the platform plates and the outer wall are filled with rock wool layers, and the outer portions of the rock wool layers are subjected to blocking and sealing treatment. A facing layer is arranged on the top face of the fully-prefabricated stair board. The fully-prefabricated stair plates are connected with the pre-welded screws at the tops of the stair beams in a sleeving mode, wet operation is avoided, the fully-prefabricated stair plates and the outer wall are in a disengagement type design, the continuity of a heat preservation layer of the outer wall face cannot be damaged, a heat conduction path between the stair and the outer wall cannot be cut off, and stress transmission between the stair and the outer wall is reduced.
Owner:绿筑建筑设计(上海)有限公司 +1
Ramp self-resetting controllable friction energy dissipation stair structure and construction method thereof
ActiveCN116498023BCeramic shaping apparatusProtective buildings/sheltersEarthquake resistanceClassical mechanics
The application provides a stair structure with self-resetting controllable friction energy dissipation and a construction method thereof, which comprises a prefabricated rest platform beam plate, the prefabricated rest platform beam plate comprises rest platform beams and rest platform folded plates, a prefabricated stair section is arranged between two rest platform beams, and a self-resetting friction assembly is arranged at the connection position of the prefabricated stair section and the rest platform beam; the self-resetting friction assembly comprises horizontally arranged horizontal friction buffer blocks and self-resetting friction supports, and the self-resetting friction support is composed of an upper inclined friction block, a lower inclined friction block and a pressure spring sliding support which are sequentially penetrated by a connecting screw rod. The self-resetting of the inclined surface and the dead weight after the sliding of the stair section is adopted, and the vibration energy is dissipated by the friction surface, so that the anti-seismic performance of the stair and the building is effectively improved, and the anti-seismic performance, reliability, economy, durability and adaptability are better than those of other schemes.
Owner:NANTONG BAJIAN GRP CO LTD
Cleaning device for cleaning discharge port of tank car in mixing plant
The utility model discloses a mixing plant tank car cleaning discharge port cleaning device, which comprises a supporting assembly, a protection assembly and a cleaning assembly, the supporting assembly comprises a cleaning table erected at a high position, a fixing rope is fixed on the cleaning table, a guide ring is sleeved on the fixing rope in a sliding mode, a connecting rope is fixed on the side face of the guide ring, and the connecting rope is connected with the protection assembly. The protection assembly comprises a waistband, one end of the connecting rope is fixedly connected with the side face of the waistband, the cleaning assembly comprises a conveying pipe fixed to the side face of the cleaning table, and a spray gun is installed at the end of the conveying pipe. According to the mixing plant tank car discharging port cleaning device, the operation space is increased through the external cleaning table, a worker can conveniently flush and clean the discharging port of the tank car, meanwhile, the external cleaning table is easier to climb compared with a small platform, the safety of the worker is guaranteed, a safety protection assembly is additionally arranged in the cleaning device, the operation safety can be further guaranteed, and the working efficiency is improved. And personnel at the discharge hole can conveniently carry out cleaning operation at the discharge hole.
Owner:XINJIANG ORIENTAL HOPE PHOTOVOLTAIC TECH CO LTD
Steel structure stair
The utility model relates to a steel structure stair in the technical field of housing construction facilities. Comprising a stair body, a first sliding groove is formed in one side of the stair body, a second sliding groove is formed in one end of the inner side of the first sliding groove, first teeth are fixedly connected into the first sliding groove, a gear with a shaft is slidably connected into the first sliding groove, and the first teeth are meshed with the outer side of the gear with the shaft; when the stair ascends through the stair, some old people or people with difficulty in walking climb the stair in a time-consuming and labor-consuming behavior and have certain dangerousness, so that the riding assembly is automatically conveyed to the top of the stair main body by sitting on the riding assembly, and the riding assembly is automatically conveyed to the bottom of the stair main body. And the stair climbing efficiency of people with inconvenience in legs and feet is greatly improved.
Owner:SICHUAN SHU SHIP CONSTRUCTION CO LTD
Working platform of giant tank and stirring system
ActiveCN222991242URotary stirring mixersTransportation and packagingClassical mechanicsStructural engineering
The embodiment of the utility model provides a working platform of a giant tank and a stirring system, and relates to the technical field of material stirring. The working platform comprises a platform plate, a vertical supporting rod and an inclined ladder, the platform plate is connected to the vertical supporting rod, the upper end of the inclined ladder is connected with the platform plate, and the lower end of the inclined ladder is connected with the ground, so that a worker can climb on the platform plate through the inclined ladder; a plurality of limiting through holes used for containing the giant tanks are formed in the platform plate, a worker can work around the giant tanks on the platform plate, and the platform plate provides sufficient activity space for work of the worker. Besides, platform guardrails are arranged on the periphery of the platform plate, inclined ladder guardrails are arranged on the left side and the right side of the inclined ladder, the safety of workers on the working platform can be guaranteed through the inclined ladder guardrails and the platform guardrails, and the falling accident is effectively prevented.
Owner:CHENGDU ESCON BIOTECHNOLOGY CO LTD
Stringer connector and staircase
A stringer connector for rigidly connecting staircase stringers together. The stringer connector is a channel having a base with tabs extending inward from the base for physically locating the stringers in the channel. Openings are formed through walls of the channel for insertion of fasteners through the stringers. A base surface of the channel preferably further comprises a plurality of ridges extending inwards from respective ends of the channel to separate the stringers from the base surface, the base preferably further comprises a bracket for attaching the stringer connector to an intermediate support structure. A staircase constructed using the stringer connector is also included.
Owner:PEAK INNOVATIONS INC
Novel platform
The utility model relates to the technical field of hygienic product equipment, in particular to a novel platform. Comprising a rack, extension legs arranged on one transverse side of the bottom of the rack, a panel arranged on one transverse side face of the rack, a welding support arranged on one transverse side of the rack, a platform arranged on the top face of the welding support, a fence arranged on the top face of the platform, a stair arranged on the side, away from the rack, of the platform and guardrails arranged on the two sides of the stair. When the upper-layer space of the rack needs to be operated, an operator moves towards the platform on the top surface of the welding bracket through the stairs to operate, so that the top of the double-layer rack is convenient to operate, and the technical problem that the upper-layer space is not convenient to operate due to the fact that two layers are arranged when one layer of part of the rack is not high enough is solved.
Owner:QUANZHOU HANWEI MACHINERY MFG