2818 results about "Keel" patented technology

The invention provides a construction method of a prefabricated multi-ribbed cavity floor, and belongs to the technical field of prefabricated multi-ribbed plate construction. The construction method of the prefabricated multi-ribbed cavity floor comprises the steps of full-hall scaffold building, main keel laying, overall leveling and the like. The construction method comprises the steps that S1, full-hall scaffold building is conducted, specifically, when a full-hall scaffold is built, vertical rods on the upper layer and the lower layer are required to be aligned, the vertical rods are uniformly arranged from the two sides of a cast-in-place ribbed beam, the vertical rods are arranged at the intersection positions of floor elastic bidirectional lines, and scaffold boards are laid under the vertical rods; S2, main keels are laid, specifically, when the main keels are installed, the main keels are required to be arranged in order and not to be inclined, and the two vertical rods at the intersection positions must abut against the main keels; and S3, overall leveling is conducted, specifically, after the main keels are laid, overall leveling is conducted according to control lines, and full-hall scaffold formworks are hoisted on the main keels. The cavity formworks are supported by placing the modularized cavity formworks which are machined and formed in a factory-like mode, and accurate and rapid installation of an upper plate of the prefabricated multi-ribbed plate is achieved by installing limiting square pipes.

The invention relates to a three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system, and belongs to the technical field of curtain walls. The three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system comprises a keel frame, a curtain wall plate and a connecting cross rod, the connecting cross rod is fixedly connected to the end, facing the keel frame, of the curtain wall plate, and the surface of the connecting cross rod is sleeved with a connecting component in threaded connection with the keel frame; the connecting component comprises a first locking assembly in threaded connection with the keel frame, the top of the first locking assembly is fixedly connected with a depth adjusting assembly, and the top of the depth adjusting assembly is fixedly connected with a lateral adjusting assembly; an installation worker can trigger the anti-loosening assembly to discharge the liquid sealant while installing the second locking assembly, and the connecting components are integrally bonded and fixed together, so that the problem that an existing hyperbolic special-shaped GRC curtain wall system with a three-dimensional adjustable function is prone to loosening and even falling off due to the influence of external force is solved.

The invention discloses an assembly type wall surface system and an installation method, and relates to the technical field of wall surface decoration, the assembly type wall surface system comprises a plurality of leveling bases and a plurality of decoration plates which are fixed to a wall surface, keels are connected to the leveling bases, a plurality of sliding groove sets are formed in the keels, and transverse moving plates are arranged on the sliding groove sets in a sliding mode; second locking mechanisms are arranged between the transverse moving plate and the keels, two sliding protruding plates are horizontally arranged on the transverse moving plate in a sliding mode, clamping grooves are formed in the sliding protruding plates, first locking mechanisms are arranged between the sliding protruding plates and the transverse moving plate, a plurality of hanging nails are arranged on the back face of the decorative plate, and the hanging nails are clamped in the clamping grooves, so that the decorative plate is fixed to the at least two keels. By means of the sliding relation between the sliding protruding plates and the transverse moving plates and the sliding relation between the transverse moving plates and the keels, gaps can be adjusted before the decorative plates are installed, the left-right position can be adjusted when the decorative plates are installed, the adjustability of the assembly type wall face system is improved, the adjusting process is simple, and operation is convenient.

The invention discloses a variable cross-section cast-in-place box girder arc-shaped wing plate supporting structure which comprises a disc buckle full supporting frame, an adjusting vertical rod is arranged at the upper end of the disc buckle full supporting frame, a jacking is arranged at the upper end of the adjusting vertical rod, main keels are arranged at the upper end of the jacking, multiple sets of auxiliary keels are arranged at the upper ends of two main keels, and formworks are arranged at the upper ends of the auxiliary keels. A positioning strip is arranged on one side of the upper end of the template; a height adjusting block is arranged on one side of the positioning strip The arc-shaped truss is arranged obliquely above the formwork, and one end of the arc-shaped truss is located at the upper end of the height adjusting block. The method has the advantages that the arc-shaped truss is machined according to the arc-shaped size of the box girder wing plate, the size and radian precision is high, the construction quality is easy to guarantee, the applicability is high, the variable cross-section height is partitioned, the height is adjusted through the height adjusting blocks, the machining model number of the arc-shaped truss is reduced, and the machining cost is reduced. Only several standard parts are adopted for machining, the problem that the sizes of wing plates of the variable cross-section sections are inconsistent can be solved, the positioning strips are adopted for installation and positioning, and the installation deviation of the arc-shaped truss is reduced.

A unitary hermetically sealed device is disclosed for providing self-contained electric propulsion drive power to a motor boat or sailboat, where the entire propulsion system is contained in a separable pressurized hermetic enclosure attached to the underside of the vessel and also acts as a keel of the vessel, and which simplifies production, provides improved safety from high voltages, and prevents drive system maintenance or repair when the vessel is located in the water. The rigid hermetically sealed device functions as a skid-plate to avoid damage to the softer typically fiberglass hull when running the vessel aground or when running up onto or off of the beach or onto or off a trailer.

The utility model discloses a finished steel plate and equipment belt assembly type system installation structure which comprises a keel system, an integrated equipment belt and a hanging piece system. The keel system comprises hanging bars, hanging pieces connected with the hanging bars and main keels installed on the hanging pieces. The integrated equipment belt comprises a metal cover, an air opening shutter installed in the metal cover and a light-transmitting piece. The hanging piece system comprises a fixing piece, a special keel and a closing-up strip, the fixing piece is hung on the main keel, the upper end of the special keel is connected with the fixing piece, the lower end of the special keel is connected with the closing-up strip, a hanging groove is formed in the upper end of the closing-up strip, a hanging piece is installed on the outer side face of the metal cover, and the hanging piece is hung on the hanging groove. The mounting structure has the advantages of being simple to mount, attractive in decoration, detachable to assemble and good in appearance quality.

The invention discloses a BIM (Building Information Modeling)-based suspended ceiling advanced accurate positioning and trepanning construction method, which comprises the following steps of: S1, establishing a construction model of each specialty in a suspended ceiling, performing collision inspection, and adjusting the construction model; s2, establishing a three-dimensional model including suspenders, keels and the like by utilizing BIM software; s3, comprehensive collision inspection is carried out, and the ceiling structure is prevented from conflicting with other professional equipment; s4, generating a construction drawing and organizing field implementation according to comprehensive suspended ceiling deepening typesetting; s5, a trepanning positioning plate is manufactured, and the trepanning positioning plate is used for accurately positioning the trepanning point position of the veneer plate on site; s6, paying off the trepanning point, confirming a central point and implementing accurate trepanning; and S7, after trepanning is completed, point location installation is conducted on facility equipment needing to be installed in advance. Advanced coordination of the keel in the suspended ceiling and various equipment point positions can be achieved, precise positioning of suspended ceiling trepanning is achieved, disassembly and rework are reduced, and the construction precision and efficiency are improved.

The invention discloses a construction method for a slope arc-shaped concrete structure formwork. The construction method comprises the following steps that S1, positioning and paying-off are conducted; s2, manufacturing a template, namely bending the template according to the design of the construction drawing; s3, secondary keels are manufactured, equidistant cutting lines are drawn on the battens, and the battens are incompletely cut according to the cutting lines; bending the batten into a corresponding radian, then manufacturing a plurality of wooden wedges according to the size and the number of the notches in the upper part of the batten at the moment, smearing adhesives on the two sides of the wooden wedges, then inserting the wooden wedges into the notches of the batten, and completing the manufacturing of the secondary keel after the wooden wedges are firmly adhered; s4, formwork erecting is conducted, specifically, formwork erecting is conducted according to a drawing, the main keels are vertically arranged, and the auxiliary keels are horizontally arranged; s5, concrete pouring; and S6, formwork removal and maintenance are conducted. Compared with the prior art, the problems that an arc-shaped concrete structure formwork is difficult to construct and the quality is not easy to control can be effectively solved, safety and reliability during formwork erecting are guaranteed, and the flatness and the impression effect of a wall surface after concrete pouring can also be guaranteed.

The invention relates to the technical field of curtain walls, in particular to a curtain wall aluminum veneer which comprises a plurality of vertical keels and a plurality of transverse keels, each vertical keel is provided with a connecting section, each connecting section is provided with a first through groove, and the two ends of each transverse keel are located in the first through grooves of the two vertical keels respectively. The aluminum veneer bodies are connected to the two transverse keels which are adjacent up and down in a clamping manner; the first limiting and fixing mechanisms are symmetrically arranged on the two sides of the transverse keel and used for limiting and fixing the position between the aluminum veneer and the transverse keel and the position between the vertical keel and the transverse keel after the aluminum veneer body is installed. The curtain wall aluminum veneer is more convenient to install, a large number of bolt installation modes are avoided, the installation process is simplified through the clamping mode, and the installation efficiency is improved.

The utility model discloses a noise reduction assembly applied to a cutting device. In an inner cavity of a cutting platform of the cutting device, a connecting piece is vertically arranged under the position where a cutting assembly carries out cutting action; one end of the connecting piece is connected with the top of the inner cavity, the other end of the connecting piece is pre-buried in the ground, sound waves can be conducted into the ground surface, and the inner cavity is filled with sound absorption cotton; the utility model further discloses a light steel keel cut-off machine, the cutting assembly is arranged on the cutting platform and can move synchronously with the position, to be cut, of the light steel keel, and in the moving process, the light steel keel is cut; the lead screw pair mechanism is arranged on the upper surface of the cutting platform and used for driving the cutting assembly to do reciprocating motion in the moving direction of the light steel keel. The light steel keel structure further comprises the noise reduction assembly, noise generated when the light steel keel is cut off is basically eliminated, the field operation environment is improved, and the harm of the noise is reduced.

The utility model discloses a plasterboard assembly type suspended ceiling structure, which relates to the technical field of suspended ceilings, and comprises a plasterboard, a support framework assembly and a hoisting assembly, the support framework assembly and the hoisting assembly are used for hoisting and supporting the plasterboard, and the hoisting assembly comprises a main keel hanging piece, a suspension rod and a quick-assembly fastener. By arranging the hoisting assembly, when the levelness of the longitudinal auxiliary keel needs to be adjusted, the height of the main keel hanging piece can be adjusted only by pressing the U-shaped fastener to enable the unlocking round hole to be aligned with the through hole, and when pressing on the U-shaped fastener is released, the U-shaped fastener resets and is clamped between the two annular clamping blocks through the locking straight notches, so that the main keel hanging piece can be adjusted. The main keel hanging piece and the suspension rod are locked and fixed, then the levelness of the longitudinal auxiliary keel is adjusted, compared with a traditional nut adjusting operation mode, operation is simpler and easier, meanwhile, the overall adjusting efficiency is higher, and the installation efficiency of the gypsum board suspended ceiling can be effectively improved.

A modular keel is arranged along a centerline of a boat hull for displacing a bow wave towards the stern and creating distinct pressure zone situations to draw the keel back into water and reduce pitching. The keel features a base extending along a centerline of the boat hull and two symmetric curved segments. The base tapers toward a vertex on the centerline at a fore transitional area that generates a concentrated high pressure zone to help lift the hull and reduce pitching. The keel includes an aft transitional area for expelling water away from the keel in a laminar flow pattern during forward movement of the boat hull. The keel further includes an intermediate transitional area that creates a low pressure zone to dampen the motion of the hull through waves.

The utility model relates to the technical field of dust-free drag chains, and discloses a keel drag chain for protecting light and small cables, which consists of a plurality of keel blocks which are connected end to end, the rotation angle of the adjacent keel blocks is limited through the abutting fit of the inserting blocks and the abutting cavities, the abutting fit of the positioning seats and the positioning grooves, the abutting fit of the stepped grooves and the clamping seats and the abutting fit of the limiting grooves and the limiting seats, and the stability between the small keel blocks can be improved through the multiple matched limiting points; uncontrollable deformation between the small keel blocks under stress or dynamic loads is avoided, the fracture risk possibly caused by local stress concentration at the connecting positions of the chain links is reduced, and therefore the stability of the whole keel chain frame is improved.

The utility model discloses an aluminum grating fixing component for large-area modeling, and relates to the technical field of aluminum grating fixing components, the aluminum grating fixing component for large-area modeling comprises a first keel, the main body of the first keel is transversely arranged, and the main body of the first keel is transversely arranged. By arranging the reinforcing rods A and the reinforcing rods B which are inserted into the connecting frames, after a plurality of connecting frames are spliced, the reinforcing rods A and the reinforcing rods B can be inserted into the connecting frames, and after the connecting frames and the ceiling are fixed and limited, the connecting frames can be fixed to the ceiling. Rapid and stable splicing can be achieved through insertion of a reinforcing rod A and a reinforcing rod B. Through arrangement of a bottom plate and an insertion column, when a clamping jaw fixedly connected to the bottom end face of a clamping plate is connected to the outer sides of a first keel and a second keel in a sleeving mode, the clamping jaw can be inserted into the first keel and the second keel; the bottom plate can be inserted into the clamping jaws fixedly connected to the bottom end of the clamping plate through the inserting columns fixedly connected to the top end face of the bottom plate, and therefore rapid assembling work can be achieved.

The invention relates to the technical field of curved glass curtain walls, in particular to an angle-adjustable aluminum alloy curtain wall framework which comprises a transverse keel, a vertical keel, an auxiliary supporting keel, a chuck mechanism and an adjusting mechanism. The chuck mechanism comprises an inner pressing plate, an outer buckling plate, a connecting frame plate and four connecting opening frames. One end of the connecting frame plate is fixedly connected with the inner pressing plate, the other end of the connecting frame plate is fixedly connected with the outer buckling plate, and a clamping cavity is formed between the inner pressing plate and the outer buckling plate. The transverse keel and the vertical keel are both mounted on the connecting port frame; the adjusting mechanism comprises a joint frame plate, a spherical plug, a plug connecting rod and a locking piece; a spherical caulking groove is formed in one side of the connector frame plate, the spherical plug is hinged to the connector frame plate, and one end of the connector frame plate is fixedly connected with the auxiliary supporting keel. The inclination angle of the inner pressing plate and the inclination angle of the outer buckling plate can be conveniently adjusted along the axis where the transverse keel is located through the adjusting mechanism, the inclination angle can also be adjusted along the axis where the vertical keel is located, multi-angle adjustment of the curtain wall glass is achieved, and the inclination angle adjusting range of the curtain wall glass is widened.

The utility model relates to the technical field of fabricated buildings, and discloses a suspended ceiling structure and a suspended ceiling structure box body. The connecting assembly comprises a guide structure and an adjusting structure, and the adjusting structure is movably arranged on the guide structure in the vertical direction; the keel frames and the box bodies are arranged in a one-to-one correspondence mode, the keel frames are connected with the corresponding box bodies through a plurality of connecting assemblies, and the keel frames are connected with the adjusting structures in an assembling mode; the first hanging plate is arranged at the bottom of the keel frame, the first hanging plate comprises a first seam splicing plate and a first covering plate, after the adjacent box bodies and the corresponding keel frame are installed, the height of the keel frame can be adjusted by changing the position of the adjusting structure on the guiding structure, the flatness and stability of the bottom face of a suspended ceiling are guaranteed, and the ceiling structure is simple in structure and convenient to use. And then the first seam splicing plate is installed at the position, corresponding to the splicing position, of the keel frame, the splicing position can be further fixed through the integrated first seam splicing plate, the situation that a seam of the first seam splicing plate and the first covering plate coincides with the splicing position can be prevented, and the cracking risk is further reduced.

The invention relates to a narrow space thin wall structure and a construction method.The narrow space thin wall structure comprises a filling body used for filling a narrow space and a formwork used for being arranged on the side wall of the inner side of the narrow space, a reinforced concrete layer is arranged between the filling body and the formwork, and a keel layer used for supporting the formwork is arranged on the formwork; a protection bolt penetrating through the filling body, the formwork, the reinforced concrete layer and the keel layer is further arranged and used for providing transverse supporting force for the filling body, the formwork, the reinforced concrete layer and the keel layer. According to the narrow-space thin-wall wall structure and the construction method thereof, the whole cavity is filled with the filling body, the filling body and the formworks on the two sides form a concrete pouring space, the multi-section screw is integrally reinforced, and therefore a formwork system with strength, rigidity and stability is formed, corresponding technical measures are added in the method, and the construction cost is reduced. Therefore, cast-in-place requirements of the bare concrete are met, and appearance quality of the bare concrete is guaranteed.

The invention relates to the technical field of building curtain walls, and particularly discloses an aluminum plate curtain wall structure and a construction method.The curtain wall structure comprises a keel frame, mounting strips, aluminum single plates and a sealing frame, the mounting strips are fixedly connected with the keel frame, symmetrical retaining walls are arranged on the mounting strips, limiting grooves are formed in the outer sides of the retaining walls, buckling grooves are formed in the retaining walls in the length direction, and the aluminum single plates are arranged in the buckling grooves. Bending plates are arranged on the side edges of the aluminum single plates, elastic cantilevers matched with the buckling grooves are arranged on the bending plates, elastic hook plates are arranged on the side edges of the sealing frame, inserting grooves are formed in the elastic cantilevers, and the elastic hook plates and the inserting grooves are connected in an inserted mode and then connected in a hooked mode. The modular prefabricated design is adopted, rapid splicing and mounting can be achieved, the construction technology is simplified, the construction efficiency is remarkably improved, the visual effect is improved, the site cutting and welding procedures are reduced, site stacking disorder is reduced, site construction management is convenient, the aluminum single plates can be detached from the side edges only by detaching the sealing frame, detaching is convenient, and the cost is low. The later maintenance work is facilitated, and the maintenance cost and difficulty are reduced.

The invention relates to the technical field of tunnel supporting, in particular to a movable retaining wall for pipeline excavation supporting and a construction method.The movable retaining wall comprises a plurality of first keels and a plurality of second keels, the first keels are jointly and fixedly connected with a baffle, the second keels are jointly and fixedly connected with the baffle, and the baffle is fixedly connected with the first keels and the second keels. A supporting mechanism is installed on the first keel and connected with the second keel, fixing mechanisms are further installed on the first keel and the second keel, and a stabilizing mechanism for reducing loosening of the side wall of the tunnel is installed on the baffle. The method has the effects that the probability of loosening caused by extrusion and deformation of the side wall of the tunnel is reduced, and the supporting effect is improved.

The invention discloses an automatic overturning continuous production workbench for door keel assembly and a control method, and relates to the technical field of door production and machining, and the automatic overturning continuous production workbench comprises a rack, a rotating mechanism, a clamping mechanism, a workbench body and a control assembly. The clamping mechanism comprises two first clamps, each first clamp comprises two second clamps, the rotating mechanism is used for driving the clamping mechanism to rotate around a turnover axis, the working table comprises a working table top and a lifting assembly, and after a profile component used for manufacturing the door keel is placed on the working table top, the lifting assembly is used for lifting the profile component; the clamping mechanism can automatically move the profile component to the designed position, and automatic splicing of the door keel is achieved. Then the clamping mechanism clamps the door keel through mutual cooperation of a first clamp and a second clamp, after one face is machined, the lifting assembly drives the working table to be away from the clamping mechanism, the rotating mechanism drives the clamping mechanism to rotate, the door keel is turned over, and workers can machine the other face of the door keel; and the automation degree and the machining quality are improved.

The invention provides a frame building double-layer AAC external wall panel window opening node construction method. The method comprises the following steps of structural construction, embedded part embedding, AAC external wall panel window opening node construction preparation, window opening keel welding and mounting, mounting of an L-shaped bracket, a hook bolt and angle steel, AAC external wall panel mounting and AAC external wall panel window opening node keel filling with a heat preservation material. The invention further discloses a window opening node structure of the double-layer AAC external wall panel of the frame building. The window opening node structure comprises the high-pass vertical keels on the two sides, the upper horizontal keels, the lower horizontal keels, the pulling vertical keels, the supporting vertical keels, the AAC external wall panel on the window opening, the structural steel beam and the floor support plate embedded plate. The top ends and the bottom ends of the two-side through-height vertical keels are welded and fixed to the structural steel beam and the floor support plate embedded plate correspondingly, and the upper horizontal keel and the lower horizontal keel are fixedly connected with the upper portion and the lower portion of the two-side through-height vertical keels correspondingly and fixedly connected with the structural steel beam and the floor support plate through the pulling vertical keels and the supporting vertical keels. The problem of forming the ultra-wide window hole in the double-layer AAC external wall panel is solved.

The invention provides a multi-level force transmission construction method for a large-span beam formwork supporting system, and belongs to the technical field of building construction.The multi-level force transmission construction method comprises the steps that a supporting system space coordinate system is established by obtaining three-dimensional model data of a large-span beam structure; a multi-layer force transmission analysis model is established to divide a supporting system into four force transmission layers including a bottom die layer, a secondary keel layer, a main keel layer and a vertical rod layer, a force transmission path calculation equation set is used for analyzing the load transmission relation between the layers, and a disc buckle type steel pipe supporting frame body is erected to form a multi-layer force transmission network foundation structure. A bottom formwork secondary keel system and a main keel back ridge system are installed to establish a complete bearing system, the bearing capacity and deformation coordination of all force transmission paths are calculated through a force transmission efficiency evaluation equation set, and parameter adjustment and optimization are conducted; the technical problems that the force transmission path of a large-span beam formwork supporting system is not clear, and the load transmission efficiency between layers is low are solved.

The invention discloses a vacuum insulated panel keel heat preservation system adopting anchoring and bonding connection and a construction method thereof, relates to the technical field of wall body external heat preservation, and solves the problem that the heat preservation performance is reduced due to the fact that a heat bridge effect is easily caused by existence of gaps between panels and steel embedded parts in an existing vacuum insulated panel heat preservation wall body. The connecting structure comprises a plain concrete wallboard, a pre-embedded connecting sleeve assembly, a bonding layer, a vacuum insulated panel, an orthogonal keel unit assembly, a wrap angle connecting assembly and a plastering layer, wherein the plain concrete wallboard is connected with the vacuum insulated panel and the orthogonal keel unit assembly through the pre-embedded connecting sleeve assembly and the bonding layer; the vacuum insulated panel is located in a frame formed by mutual array connection of the orthogonal keel unit assemblies; the wrap angle connecting assemblies are connected to the corners of the orthogonal keel unit assemblies. The plastering layer is located on the outer side of the vacuum heat insulation plate and the orthogonal keel unit assembly. The keel units are made of GFRP materials, gaps between plates are isolated, the heat bridge effect is reduced, and the heat preservation performance of the whole wall is effectively improved.

The present invention discloses a curtain wall keel connection structure, comprising a vertical keel, one or both sides of which are connected to a transverse keel via a connection assembly. The transverse keel has a transverse inwardly expanded groove. The connection assembly includes a connector mounted on the vertical keel, each connector having a connecting portion corresponding to each transverse keel, the connecting portion being connected to the transverse keel via an expansion mechanism that expands and engages with the transverse inwardly expanded groove. The connector is fixedly mounted on the vertical keel via a first fastening connection assembly, the first fastening connection assembly including one or more first fastening screws that directly connect and fasten the vertical keel to the connector. The vertical keel has a vertical groove on its front surface, and the connector has an internal connection portion received in the vertical groove. The internal connection portion is fixedly connected to the vertical keel via at least one first fastening screw. The present invention has the advantages of easy installation, high connection strength, high stability and reliability, and good rust resistance.

The invention belongs to the field of suspended ceiling connection, particularly relates to a stable suspended ceiling connection structure and an installation method, and aims to solve the problems that when an existing structure faces complex and changeable installation environments and construction requirements, connection parts are loosened, threaded suspenders shake and the like, the construction efficiency is affected, and the construction cost is lowered. According to the technical scheme, the suspended ceiling structure comprises a threaded hanging rod, a hanging piece, a main keel, a secondary keel and a transverse supporting keel, and the bottom end of the threaded hanging rod is sleeved with the hanging piece; and the reinforcing assembly is arranged on the threaded suspender and used for reinforcing the stability of the overall structure and preventing the threaded suspender from shaking when the keel is installed. Through the arrangement of the reinforcing assembly, the overall stability of the suspended ceiling connecting structure is enhanced, the threaded suspender is effectively prevented from shaking when the keel is installed, and therefore the construction efficiency is improved, and the safety and durability of the suspended ceiling are ensured.

The utility model discloses a light steel skeleton structure of a hollow earthenware brick curtain wall. The light steel skeleton structure comprises a group of rear anchor plates, adapters connected to the rear anchor plates, a group of vertical steel keels connected with the adapters, supporting angle steel connected to the steel keels, earthenware bricks arranged on the top face of the supporting angle steel or above the supporting angle steel, and a pull rod assembly connected with the earthenware bricks in a penetrating mode. According to the utility model, through the arrangement of the rear anchor plate, a foundation is provided for earthenware tile installation and bearing; a supporting system is formed through the arrangement of the adapting pieces, the steel keels and the supporting angle steel, and the stability of earthenware brick installation is further guaranteed; through the arrangement of the pull rod assembly, the attractive appearance is not damaged in a manner of penetrating through the earthenware bricks; the pull rod assemblies are arranged in sections, so that the bearing force can be shared to the corresponding angle steel; in addition, the earthenware bricks are arranged at intervals and connected with the pull rod assembly in a penetrating mode, batch construction is facilitated, and working efficiency is improved.

The invention discloses a curved surface LED display screen installation structure and method, and the curved surface LED display screen installation structure comprises a keel layer which is of a grid structure composed of a plurality of keel longitude lines and a plurality of keel latitude rings; the curved surface mounting plate layer is fixed on the inner surface of the keel layer; the curved surface mounting plate layer is formed by splicing curved surface mounting plates; the curved-surface mounting plate is provided with a curved surface which is the same as the corresponding position of the curved-surface LED display screen; and the LED lamp panel layer is mounted on the inner surface of the curved surface mounting plate layer. The curved-surface LED display screen mounting structure comprises the LED lamp panel, the integrated curved-surface mounting plate and the integrally-formed keel, the LED lamp panel can be tightly attached to the curved-surface structure through the arc-surface design of the integrated curved-surface mounting plate, the splicing gap and dislocation phenomena are effectively avoided, and therefore the overall display effect is improved.

The invention belongs to the technical field of building measurement, and discloses building keel centering measurement equipment which comprises a base, an electric hydraulic push rod is rotatably connected to the interior of the base, a traction rope is fixedly connected to the bottom end of the electric hydraulic push rod, and a balancing weight is fixedly connected to the bottom end of the traction rope. A clamping mechanism is installed at the bottom end of the inner wall of the base, a top plate is fixedly connected to the top end of an electric hydraulic push rod, attaching plates are symmetrically installed on the two sides of the top plate, two pressure sensors are installed in the attaching plates, and transverse plates are fixedly installed at the positions, corresponding to the bottom ends of the attaching plates, of the inner wall of the top plate. By detecting the two pressure sensors on the attaching plate, whether the keel in contact with the attaching plate is in the horizontal state or not can be judged so as to detect the horizontal deviation when the keel is installed at the initial stage, timely adjustment is facilitated, the overall level of the keel frame installed in a building is ensured, and therefore the overall precision of the building structure is improved.

The utility model discloses a connecting structure of a ceiling joist, which relates to the technical field of ceiling decoration and comprises a first joist and a second joist which are perpendicular to each other in a horizontal plane. The connecting structure comprises a profile steel base body, a first clamping piece body and a second clamping piece body. One end of the profile steel base body is clamped in the second keel; a first clamping piece body is arranged at the top of the other end of the profile steel base body, a second clamping piece body is arranged at the bottom of the other end of the profile steel base body, and the second keel is located between the first clamping piece body and the second clamping piece body. During use, one end of the profile steel base body is clamped in the second keel, then the first keel is clamped in the first clamping piece body and the second clamping piece body, connection between the ceiling keels perpendicular to each other can be directly achieved, mounting and dismounting are faster and more efficient, and the labor cost is saved; meanwhile, the quick connection structure can be used for quick connection of two prefabricated suspended ceiling modules.

The invention discloses a cutting device for composite keel forming production, and belongs to the technical field of composite keel production. Comprising a rack, a conveying mechanism is installed on the upper surface of the rack, a dust cover is arranged above the inner wall of the rack, a second motor is connected to the front face of the dust cover through bolts, a rotating rod is fixedly connected to the output end of the second motor, and a circular saw blade is fixedly arranged on the outer side of the rotating rod in a sleeving mode; and the circular saw blade is rotationally connected to the interior of the dustproof cover through a rotating rod. According to the cutting device for composite keel forming production, cutting resistance can be adjusted in a self-adaptive mode, the cooling and dust removing range can be dynamically adapted, keels of multiple specifications are compatible, a circular saw blade moves to be synchronously linked with a spray head during cutting, swing of the spray head within the range of size is achieved through meshing switching of intermittent double racks and gears, chatter of the saw blade is restrained through cooperation with a friction ring, and notch defects are reduced; and the cylinder drives the component to translate to ensure that each mechanism adapts to the keels of multiple specifications, so that the cutting precision and efficiency are improved.