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87 results about "Joist" patented technology
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A joist is a horizontal structural member used in framing to span an open space, often between beams that subsequently transfer loads to vertical members. When incorporated into a floor framing system, joists serve to provide stiffness to the subfloor sheathing, allowing it to function as a horizontal diaphragm. Joists are often doubled or tripled, placed side by side, where conditions warrant, such as where wall partitions require support.
A new building suspended ceiling structure
The present application relates to a new type of building ceiling structure, comprising a plurality of side-by-side aluminum alloy joists, a screw rod for hoisting the aluminum alloy joists, a decorative panel spaced between the lower end of the aluminum alloy joist and the aluminum alloy joist by a sub-mother type plug-in lock, the upper end of the aluminum alloy joist is provided with a connecting rod, the connecting rod transversely connects adjacent aluminum alloy joists, the upper end of the aluminum alloy joist is provided with a pipeline channel parallel to the connecting rod, the pipeline channel is used for carrying and fixing pipelines, a double-layer hollow plate body is formed by the aluminum alloy joist and the decorative panel, the pipeline channel is arranged at the upper end of the aluminum alloy joist, so that the ceiling main structure itself has the function of carrying water and electricity pipelines, and the traditional independent bridge system is completely cancelled.
Owner:长大市政工程(广东)有限公司
A detachable modular sports wood floor for squash courts
This utility model discloses a detachable modular sports wood flooring for squash courts, relating to the field of wood flooring. It includes several uniformly spliced sports wood plank components arranged in a rectangular pattern. Each sports wood plank component has several polygonal holes at its bottom. Rubber elastic pads are installed inside the polygonal holes and mounted on the top of the joists. Several linearly arranged sports wood plank components are mounted on the top of two sets of joists. Leveling components are provided on both sides of the joists to solve the problem of uneven foundation during installation, increasing installation flexibility. Matching protrusions and grooves are provided on both sides of each sports wood plank component. A multi-layer board is provided on the top of each sports wood plank component to increase the strength and stability of the sports wood flooring. This utility model, by setting matching protrusions and grooves, rubber elastic pads, and polygonal holes, can fix the sports wood plank components to the joists, realizing the splicing of multiple sets of sports wood plank components.
Owner:HEBEI HONGXIAN SPORTS FACILITIES ENG CO LTD
A microlens polishing apparatus
The utility model provides a kind of microlens grinding device, including base, the top of base is fixedly arranged with portal frame, the portal frame is fixedly arranged with joist in, the middle part of joist is provided with pivot, the top of pivot is fixedly arranged with bridge plate, the bridge plate top is fixedly connected with the clamp symmetrical to pivot, the side of portal frame is provided with the conveyor belt of height lower than clamp, the other side of portal frame is provided with lifting frame, the middle part of lifting frame is provided with transmission shaft.In the utility model, set up portal frame, set up conveyor belt on the side of portal frame, set up the millable disc that can be lifted on the other side of portal frame, set up the bridge plate that can be horizontally rotated in portal frame, then set up the clamp symmetrical to pivot on plate, so that microlens module on one clamp can be milled, another clamp can be carried out feeding and discharging operation, greatly improve production efficiency.
Owner:FUZHOU ALPHA OPTICS CO LTD
A quick-installation structure for mounting light fixtures on ceiling joists
This application relates to a quick-installation structure for mounting lighting fixtures on a ceiling joist, belonging to the field of ceiling lighting fixture installation structures. It includes beams and joists, with the joists evenly fixed between the beams. Several ceiling panels are also installed between the beams, and the ceiling panels are fixedly connected to the joists. A lighting fixture interface seat is provided below each ceiling panel, and equipment racks are symmetrically installed on both sides of the lighting fixture interface seat. The equipment racks are fixedly connected to the lighting fixture interface seat, and several sets of auxiliary fasteners are installed on the equipment racks, with the auxiliary fasteners threadedly connected to the equipment racks. This application adopts a quick-installation structure, allowing for rapid installation of lighting fixtures without the need for specialized tools or complex operations, significantly saving installation time and labor costs. It eliminates the need for cutting or drilling the ceiling joists, avoiding damage to the ceiling structure and maintaining the integrity and aesthetics of the ceiling. Furthermore, the combination of fasteners and auxiliary fasteners ensures the stability of the installed lighting fixtures.
Owner:HANGZHOU JUNHUI CONSTR CO LTD
Mineral wool board and suspended ceiling system
The utility model relates to building decoration technical field provides a kind of mineral wool board and ceiling system, mineral wool board includes board body, the side surface edge of board body is provided with first lap joint groove, second lap joint groove, third lap joint groove and fourth lap joint groove, first lap joint groove and third lap joint groove are oppositely arranged, second lap joint groove and fourth lap joint groove are oppositely arranged, there is preset height difference between the bottom of first lap joint groove and the bottom of third lap joint groove, to make board body be obliquely installed in ceiling joist. The mineral wool board provided by the utility model is provided with first lap joint groove and third lap joint groove on the opposite sides of board body respectively, and preset height difference is formed between the bottom of the two lap joint grooves, so that the mineral wool board presents an inclined posture when installed in the ceiling joist, can effectively reflect and guide natural light, introduce it deeper into the room, improve the uniformity of illumination and overall brightness, thereby improve the indoor light environment, and further reduce the visual fatigue of user, improve the space comfort experience.
Owner:STAR USG BUILDING MATERIALS CO LTD
Steel plate and joist system adapted to free-form surfaces
The application belongs to the technical field of building curtain wall, and particularly relates to a steel plate ribbed keel system suitable for free curved surface, which comprises: a main steel plate fixed to a building main structure; a plurality of adapters fixed to the main steel plate; a main keel comprising a plurality of first arc-shaped steel plates arranged at intervals, the first arc-shaped steel plates being fixed after horizontal installation position adjustment through first waist holes formed in the adapters; and a secondary keel comprising a plurality of second arc-shaped steel plates arranged at intervals, each second arc-shaped steel plate being connected with a corresponding first arc-shaped steel plate through a steel angle bracket and being subjected to secondary adjustment of the horizontal installation position through a second waist hole formed in the steel angle bracket, wherein a long hole guide structure is formed in the second waist hole of the steel angle bracket. The application can realize efficient installation of free curved surface modeling and has three-dimensional spatial position adjustment capability, thereby ensuring the forming quality and visual effect of the curtain wall.
Owner:SHENZHEN OVERSEAS DECORATION ENG
A lifting device and construction method suitable for integral hoisting of steel bar segments
The application discloses a lifting appliance and construction method suitable for integral hoisting of steel bar segments, which comprises a frame beam which is a plane frame structure; a rest frame which forms a vertical slot matching the diameter of the rest frame at the inner side of the corresponding movable main reinforcement design position; a hoisting mechanism which comprises a hoisting frame; a plurality of positioning mechanisms which are arranged at the bottom of the hoisting frame on both sides and are used for limiting the transverse displacement of the fixed main reinforcement; two fixed beams which are arranged at the middle of the hoisting frame on both sides and extend outward at both ends; a joist and a cushion beam which are respectively supported on the upper and lower sides of the stress stirrup of the fixed main reinforcement on the same side, and the joist is hung directly below the fixed beam on the same side; a vertical position adjusting device which is arranged between the fixed beams through a cross beam; and a supporting beam which is pressed against the top of the cushion beam from above under the driving of the vertical position adjusting device. The frame beam is matched with the rest frame and the hoisting mechanism to realize the integral positioning and hoisting of the movable main reinforcement, the fixed main reinforcement and the stirrup, and the construction efficiency is effectively improved.
Owner:CCCC WUHAN HARBOR ENG DESIGN & RES
Shower base installation methods and devices
A drain support block is configured to support a drain body during installation of a shower base, thereby easing problems commonly encountered when the drain body is misaligned, misoriented, or sagging during shower base installation. The drain support block may be cut to fit between floor joists with the supported drain body resting at any location between the joists, thereby allowing the support block to be rapidly resized for attachment between joists to situate the drain body at any desired location for the drain hole of the shower base. The support block also beneficially supports the bottom of the shower base about its drain hole, thereby deterring breakage of the shower base about the drain hole when shower users stand thereupon.
Owner:KURBX LLC
A precast concrete channel slab composite steel joist reinforcing assembly and method
PendingCN122280378Aincrease support lengthImprove carrying capacityFloor slabArchitectural engineering
This invention provides a precast concrete trough slab combined with a steel support beam reinforcement component and method. The reinforcement component includes a combined steel support beam, which consists of a T-shaped steel beam and two steel plates. The web of the T-shaped steel beam passes through the joint between the two precast concrete trough slabs from bottom to top. Steel plates are fixed to both sides of the web of the T-shaped steel beam. Two connecting supports are provided, which are respectively connected to both ends of the combined steel support beam. The bottom of the connecting supports is installed at the top of the load-bearing wall. This reinforcement component significantly improves the load-bearing capacity of the precast concrete trough slab without increasing the weight of the floor slab, without changing the stress mode of the precast concrete trough slab or the stress mode of the transverse walls in the structure. It increases the support length of the precast concrete trough slab, meeting current specifications, and adds tie steel bands to improve overall integrity, avoiding the risk of floor slab detachment and collapse during earthquakes.
Owner:陕西建科建设特种工程有限公司 +1
A underpinning jacking platform for a lintel
ActiveCN224396120Uefficient connectionRealize lifting and unloadingBuilding repairsArchitectural engineeringJoist
The utility model discloses a kind of for joist pulls out column's underpinning jacking platform, including frame body underpinning platform and jacking platform;Frame body underpinning platform is set to the lower outer periphery of column to be constructed, and by four steel columns fixedly supported on foundation respectively arranged at its corner position;Jacking platform is set to the upper outer periphery of column to be constructed, jacking platform is connected by being anchored with the column to be constructed by multiple along its circumferential uniform setting of planting nail, and the gap between jacking platform and the column to be constructed is filled with grouting material;Four corner positions between the frame body underpinning platform and the jacking platform are respectively provided with underpinning support, and four edges of the frame body underpinning platform and the jacking platform are respectively provided with vertical jack.The utility model guarantees the effective connection of underpinning platform and the upper structure of column to be constructed, realizes the jacking unloading of upper structure of column to be constructed, and effectively reduces the operation risk in jacking unloading construction process.
Owner:SHAANXI ACAD OF ARCHITECTONICS +3
Construction of a building beam column and laminated board hollow reinforcement integrated construction process
The present application relates to the field of building construction technology, specifically to a kind of building joist column and composite board hollow drum reinforcement integrated construction technology. Including the following steps: S1, the influence area of joist column, existing composite floor and surrounding structure are detected, construction parameters are determined based on simulation and collaborative design scheme is formulated, central control platform is established, S2, overall strengthening structure construction is implemented, including vertical load-bearing component reinforcement, beam strengthening structure construction, wall and roof strengthening structure construction, beam end node reinforcement and transfer beam section enlargement reinforcement, full support unloading, plate top reinforcement layer construction and prestressed cable installation, integrated overall strengthening structure is formed, S3, in the hollow drum area of composite board, pre-bury intelligent grouting pipe, S4, install space temporary support system. The beneficial effects of the present application are: the technical problem that the existing technology considers joist column and composite board hollow drum repair as independent process, collaborative deficiency is solved.
Owner:SHANGHAI CHUANQIN CONSTR ENG CO LTD
A type of exposed ceiling joist connection structure
This utility model discloses a connection structure for exposed ceiling joists, including a main joist and a secondary joist, which are fixedly connected by a fastener assembly. It also includes a connecting buckle for connecting to the secondary joist. The connecting buckle has a tongue at the top and a hook at the bottom that engages with a groove. The upper side of the main joist has a groove that mates with the tongue, which is inserted into the groove. This utility model uses the connecting buckle to achieve a precise positioning connection between the secondary and main joists, ensuring accurate alignment and effectively reducing the gap between them. Furthermore, using the connecting buckle, the secondary joist only needs to be cut along its length, avoiding the need to machine a stepped edge at its end.
Owner:HUNTER DOUGLAS ARCHITECTURAL PROD CHINA LTD
A formworkless cast-in-place STC steel-concrete composite bridge deck composite construction structure
This utility model relates to a formworkless cast-in-place STC steel-concrete composite bridge deck construction structure, including a side structure along the bridge length and an end structure along the bridge width. STC concrete is cast-in-place within the space enclosed by the end and side structures. The side structure includes a steel sheet, a filler layer, and sealant. The steel sheet is vertically welded to the top plate of the steel box girder. The filler layer is placed between the steel sheet and the perforated steel reinforcement of the bridge deck crash barrier on the outside of the steel sheet. Sealant is applied to the joint between the steel sheet and the top plate of the steel box girder. The end structure includes, from bottom to top, a leak-proof non-woven geotextile, an end baffle, and wooden joists placed on the top plate of the steel box girder, and also includes wire binding the end baffle and wooden joists together. This utility model enables rapid construction and ensures control over the end and side alignment and construction quality of the cast-in-place STC steel-concrete composite bridge deck, belonging to the field of bridge construction technology.
Owner:GUANGZHOU MUNICIPAL ENG MASCH CO
A stable and easy-to-assemble ceiling joist
This utility model discloses a stable and easy-to-assemble ceiling keel, belonging to the field of ceiling keel technology. It addresses the problem of difficult operation and poor flexibility caused by the need for welding and fixing between horizontal and vertical channel steel. The design includes a main keel, connectors, auxiliary keels, a connecting mechanism, and a fixing rod. The main keels are connected to each other via connectors, the auxiliary keels are connected to each other via connectors, and the main and auxiliary keels are connected via a connecting mechanism. The fixing rod is fixedly connected to the top of the auxiliary keel. The main keel consists of a keel body and a protrusion. The protrusion is fixedly connected to one end of the keel body, and the other end of the keel body has a groove that matches the protrusion. This utility model features detachable connectors and a connecting mechanism, allowing for individual replacement of damaged parts without complete disassembly. This facilitates quick installation and disassembly of the main and auxiliary keels, thereby improving worker efficiency.
Owner:SHENZHEN ZHONGSHI SOUTH CONSTR ENG CO LTD
A modular ceiling structure
Owner:CHONGQING ZHICHEN ZHANGLIN TECHNOLOGY CO LTD
Polymer anti-static wood-plastic floor
This invention discloses a polymer antistatic wood-plastic composite flooring, relating to the field of wood-plastic composite flooring, comprising joists and wood-plastic composite panels. At least two joists and wood-plastic composite panels are provided, with the two joists arranged parallel to each other and the two wood-plastic composite panels slidably fitted onto the tops of the two joists. A connecting structure is provided on adjacent sides of the two wood-plastic composite panels. In practical operation, when the wood-plastic composite panels are installed outdoors, rainwater will enter the interior of the moisture-proof ring through the heat dissipation holes during rainy weather and drain out from both ends of the moisture-proof ring, reducing the accumulation and erosion of rainwater on the top of the wood-plastic composite panels, thus improving service life. The addition of multiple sets of heat dissipation holes increases the friction on the top of the wood-plastic composite panels, preventing slippage during rainy weather. Because rainwater drains quickly, it dries rapidly after the rain stops due to wind and temperature variations.
Owner:YOUKEMU (DALIAN) IND CO LTD
A gypsum board suspended ceiling mounting assembly
The utility model relates to the technical field of gypsum board installation, specifically relates to a kind of gypsum board suspended ceiling installation assembly, including multiple groups of suspender, the bottom end of two groups of adjacent suspender is equipped with main joist, the bottom end of the main joist is overlapped with multiple groups of auxiliary joist, the top of the auxiliary joist both ends is embedded and is equipped with combination seat, the top of the combination seat is equipped with guide inclined slot, the bottom end of the guide inclined slot is equipped with connecting groove, the main joist is connected with auxiliary joist by combination mechanism, the combination mechanism includes push component and operating assembly, the push component is used to the main joist and auxiliary joist are connected, the operating assembly is used to control push component and unlock operation positioning;The utility model is simple in structure, easy to operate, staff saves time and labour when combining main joist and auxiliary joist, further improves the dismounting efficiency, without staff exerting greater force to operate, increase the practicability when actually using.
Owner:DONGGUAN MAOSHENG DECORATION MATERIALS CO LTD
Upright structure assembly for flooring system
PCT designated stageWO2026109624A1False floorsStairway-like structuresArchitectural engineeringJoist
A flooring assembly (100) comprising a plurality of spaced apart joists (124) and a plurality of flooring members (104) supported by the joists An upright member support subassembly comprises a base member (132) spanning two of the plurality of spaced apart joists (162a), a top member (134) spanning the said two of the plurality of spaced apart joists (162a) and at least one mechanical fastener (136a) extending between the base member and top member such that the base member and top member clamp the said two of the plurality of spaced apart joists therebetween. An upright member (108) is supported by the top member, the upright member extending to the side of the flooring members opposite the joists.
Owner:RYNO LTD
Automatic height adjusting device for ceiling
The utility model provides a kind of automatically adjustable vertical high school nuclear elevation device for ceiling, for ceiling joist laying elevation, comprising: reading component, connecting component, vertical adjusting component and ceiling base component, scale is provided on reading component, for measuring elevation data;Vertical adjusting component is arranged between reading component and connecting component, for automatic vertical adjustment by gravity;Connecting component is arranged between vertical adjusting component and ceiling base component, for realizing the movable connection of vertical adjusting component and ceiling base component;Ceiling base component one end is connected with connecting component, other end has magnetism, for with the quick adsorption fixation of ceiling joist.The utility model has the beneficial effect that through the cooperation between each component, measurement and calibration integrated operation are realized, without additional tools or multiple cooperation;The movable connection design of connecting component allows device to adjust angle dynamically, adapts curved surface or non-right-angle joist installation scene.
Owner:MCC TIANGONG GROUP TIANJIN CO LTD
Waterproof lightning protection device for steel structure building roof
The utility model relates to building construction lightning protection structure technical field, specifically disclose a kind of steel structure building roof anti-seepage lightning protection device, including lightning rod and connecting rod positioning piece, lightning rod adopts bending type lightning rod structure, lightning rod includes ''C'' bent pole and vertical connecting rod, the lower part of ''C'' bent pole is installed in horizontal steel joist bottom by connecting rod positioning piece, the lower part of ''C'' bent pole is set as sunken bend angle, vertical connecting rod top is connected on spark arrester connecting rod by connecting rod lightning protection card;The utility model is designed lightning rod and steel joist and are connected using connecting rod positioning piece assembly, avoid field welding operation, operation efficiency is fast, save a lot of manual work;Lightning rod adopts ''C'' type bend structure, and set sunken bend angle, make water flow down from sunken bend angle, avoid water to enter wall interior, avoid the hidden danger of roof water leakage, solve rework problem, save cost.
Owner:JINING KUNYUAN CONSTRUCTION ENGINEERING CO LTD
body of the connector
1. The name of the design product: the main body of the connecting piece. 2. The use of the design product: the overall product and the claimed part are used for connecting pieces of floor joist profiles. 3. The design points of the design product: the shape of the claimed part. 4. The picture or photo that best indicates the design points: Design 1, perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: The design product claims partial design protection. The solid line part is the claimed part, and the dashed line part is not claimed.
Owner:尤尼赛德(美国)有限公司 +1
Splicing formwork system for large-space wall forming
ActiveCN224281961UImprove stabilityImprove construction safetyForms/shuttering/falseworksAuxillary members of forms/shuttering/falseworksClassical mechanicsJoist
The utility model discloses a splicing template system for forming a large-space wall body. Two symmetrical secondary keels are fixedly connected to the front side and the rear side of the bottom of the formwork through bolts, a main keel is fixedly connected to the bottoms of the secondary keels, a scaffold is arranged at the bottom of the formwork, a supporting piece is fixedly connected to the top of the scaffold, and the supporting piece is fixedly connected with the main keel. Two symmetrical main bearing beams are arranged on the left side and the right side of the bottom of the formwork, and supporting plates are fixedly connected to the left side and the right side of the secondary keel through bolts. The auxiliary keel supporting device has the advantages that the front side and the rear side of the bottom of the auxiliary keel are supported and fixed through the auxiliary keel, the scaffold and the supporting pieces, and then the adjusting supporting arms, the telescopic rods and the inclined telescopic rods are used in cooperation, so that the two supporting plates can support and fix the side walls of the two sides of the auxiliary keel; the stability of a formwork system is enhanced, and the construction safety guarantee is improved.
Owner:CHINA CONSTR SECOND BUREAU INSTALLATION ENG CO LTD
Stair structure capable of being turned sideways for transport
A stair structure capable of being turned sideways for transport, the stair structure comprising a framework, a fixed floor section disposed at the bottom of the framework, and a movable floor section that rotates along the fixed floor section. A stair unit is connected to the inner surface of the movable floor section, and can be retracted or extended along with the movable floor section. In the present invention, by means of arranging the stair unit on the movable floor section that can be turned sideways, the stair unit can be rotated together with the movable floor section for transport, such that stairs do not need to be transported separately from the framework, thereby greatly improving transport efficiency, and allowing quick mounting after being transported to the site; in addition, by means of arranging a middle column between an upper long beam and the fixed floor section and a lower long beam, compared with the arrangement of multiple thin rods, the mounting is convenient, the number of components is reduced, the load-bearing performance is better, and spatial arrangement is facilitated; moreover, by means of arranging second joists hinged to the movable floor section, transport efficiency and assembly efficiency can be greatly improved.
Owner:BROAD HOLON CO LTD
Modular i-joist notch reinforcer
An i-joist web plate 14 has a notch 18 at the top 24, and an i-joist notch flange 16 formed from a C-shape in which the ends are bent three times forming walls 26, 28, 30, and 32. The first wall 26 bridging the notch in which each of the ends of the C-shape has three walls 28, 30, and 32, and a plurality of openings 22 disposed in the web plate 14 with openings 22 along the top 24 thereof that correspond to the plurality of openings 22 in the fourth walls 32 of the notch flange 16.
Non-permanent (reusable) inflatable plastic block for concrete, metal (chromite) and composite block joist roofs
The invention is used in the construction of the roof of a building and instead of a unilith or ceramic block in a beam ceiling, a block (concrete or metal, chromite or composite) is used. In such a way that first the block is filled with compressed air through its nozzle, then it is placed between the beams instead of the unilith block and it has a seat on the beam. Its placement is simple and does not require special expertise, and the foundation and jacks required are exactly the same as for a beam ceiling with other blocks. After pouring concrete from under the roof, the air inside the block is first evacuated through the existing groove by applying physical pressure or a suction pump, and then it is removed from the roof by grabbing its handles and can be used for the next roof. The reuse process can be repeated for up to 10 roofs or more. It should be noted that (apart from the type of block, such as Unolite or clay, etc.), the block in the beam roof does not perform any structural work and is used only to hold concrete and temporary loads during construction. After the concrete sets, it is no longer effective and can be evacuated. Therefore, considering this and the possibility of renting this invention, the final price is greatly reduced (up to one twentieth of the price of Unolite).
Owner:MAHDI MOASAT +1
A magnetic prefabricated wall and its installation method
This application discloses a magnetically attached prefabricated wall panel and its installation method. The magnetically attached prefabricated wall panel includes multiple vertical joists, multiple base plates, and decorative panels. Each vertical joist is made of a ferromagnetic material. Magnets are provided on the side of both the first and second decorative panels facing the base plates. The first and second decorative panels are respectively magnetically attached to the two ends of the vertical joists along a third direction. The decorative panels of this magnetically attached prefabricated wall panel are easy to install and disassemble, improving construction efficiency, and the decorative panels can be reused.
Owner:BEIJING NEW BUILDING MATERIALS PLC
Sandwich panel and building module
The invention relates to a sandwich panel comprising a metal joist within its outer skin. Also disclosed is a building module which is a sandwich panel comprising a first region providing a roof structural portion of a building, a second region providing a wall structural portion of the building and a third region providing a floor structural portion of the building. The sandwich panel and the building module can be connected together to build a building.
Owner:REVE ARCHITECTURE LTD
A construction method for an exterior decorative wall with an ultra-large cavity
This application relates to a construction method for an exterior decorative wall with a large cavity, comprising the following steps: S1, constructing multiple reinforced concrete cantilever slabs arranged vertically on the side of the main building; S2, constructing vertical joists between adjacent reinforced concrete cantilever slabs, with the bottom of the vertical joists connected to the reinforced concrete cantilever slabs and the top of the vertical joists connected to the main building via longitudinal cantilever rods; S3, installing vertical tie bars, arranging multiple vertical tie bars horizontally; S4, installing shale bricks sequentially from bottom to top, ensuring that each shale brick is penetrated by a vertical tie bar; S5, installing horizontal angle steel after every N shale bricks installed vertically; the horizontal angle steel includes a first leg and a second leg perpendicular to each other, the first leg connecting to the vertical joist, and the second leg having multiple through holes through which each vertical tie bar passes. This invention can improve the safety, seismic resistance, and installation accuracy of the exterior decorative wall.
Owner:CHINA CONSTR FIRST BUILDING (GRP) CORP LTD +1
temporary support with high front and low back
The utility model discloses a kind of temporary tunneling support of high in front and low in back, including two row supports, telescopic front moving propelling piece, telescopic support assembly and support top beam, each row support includes at least two top beams and at least two joists, top beam and joist are cross arrangement, top beam is arranged in the top of joist, at least two telescopic support assemblies are each provided in the lower side of each row support, the top beam and joist of two row supports are evenly distributed, at least telescopic front moving propelling piece is arranged between adjacent two joists, telescopic front moving propelling piece is used to push or pull two row supports relative front moving, support top beam is connected in the front end of top beam and integrally formed with top beam or can be detachably connected, the front top surface of support top beam is higher than rear top surface and top beam top surface.Support top surface of the front of support top beam is used to support surrounding rock roof, rear top surface of support top beam and top beam will not top pressure surrounding rock roof that has formed permanent support in the process of temporary tunneling support front moving.
Owner:李信斌