1206 results about "Batten" patented technology

The invention relates to the technical field of section design, and discloses a shipyard steel bent frame column and beam section design simulation method and system. The method comprises the following steps: classifying and storing the historical data of the shipyard steel bent, establishing an experience library and extracting initial section parameters; inputting a parametric modeling system to generate a geometric model and a load condition; obtaining an internal force envelope value based on finite element analysis; obtaining a stress ratio and a displacement ratio according to standard combination and checking calculation; using an NSGA-II algorithm to optimize section parameters; and modeling and marking based on an optimization result, and generating a structure optimization scheme and a design drawing. The problems that in the prior art, preliminary section type selection of a steel bent frame structure lacks system optimization, a large amount of manual adjustment is needed in the design process, the overall design efficiency is low, and the material utilization rate is low are effectively solved, and automatic, refined and multi-target comprehensive optimization of steel bent frame column and beam section design is achieved.

The invention relates to a reticular biphase heterostructure cast high-entropy alloy as well as preparation and application thereof, and aims to solve the technical problems of high production cost and long period caused by dependence on introduction of high-cost elements or a complex process in the conventional high-entropy alloy. The CrFeNiAlSi series alloy is used as a matrix component, the alloy design is optimized by introducing the Ti element, and the CrFeNiAl0. 28Si0. 12-xTix as-cast high-entropy alloy is prepared by combining the vacuum arc melting and suction casting process. The mechanical property of the alloy is optimized by reasonably adding Ti into the CrFeNiAlSi alloy and regulating and controlling the content of Ti, meanwhile, the adverse effect brought by Ti is overcome or balanced, and the as-cast high-entropy alloy which has a heterogeneous phase structure between battens and has high strength and good plasticity is developed.

The utility model discloses a sanding machine and a green brick conveying device, and relates to the technical field of green brick firing. Comprising a sand discharging assembly, a uniformizing assembly and a sensing assembly which are arranged on a rack, the uniformizing assembly is arranged below the sand discharging assembly, the sand discharging assembly conveys quartz sand to the uniformizing assembly, and when a base plate passes through the lower portion of the uniformizing assembly, the uniformizing assembly spreads the quartz sand into the surface of a green brick. The method has the advantages that a fired finished product cannot be adhered to the base plate, and the yield is high.

The utility model discloses an automatic nailing device for cable packaging. The automatic nailing device comprises a batten conveying device, a wooden tray conveying device, a wooden tray nailing device and a wooden tray discharging device. The batten conveying device is used for conveying battens to the wood plate nailing device and comprises a batten storage mechanism, a batten conveying mechanism and a batten carrying mechanism. The wooden tray conveying device is used for conveying wooden trays to the wooden tray nailing device; the wood plate nailing device is used for nailing a wood plate to be nailed and comprises a rack, a wood plate clamping mechanism, a wood plate rotating mechanism and a wood plate nailing mechanism used for nailing the two ends of the wood plate in a wood plate conveying mechanism to the wood plate. And the wooden tray discharging device is used for conveying the wooden trays with the battens nailed to a designated position. According to the automatic nailing device for cable packaging, wood strip feeding, wood plate feeding and discharging and wood strip nailing on a wood plate can be automatically completed, the automation degree is higher, and therefore labor cost can be reduced and saved.

The utility model belongs to the technical field of aluminum processing, and discloses a drossing slag body collecting device which comprises a fixed frame fixed at the upper end of a smelting furnace, the lower end of the fixing frame is provided with a rotating block located in the smelting furnace and coaxial with the smelting furnace. A plurality of vertically-placed first battens are fixed to the circumferential wall of the rotating block and annularly and evenly distributed around the central axis of the rotating block, second battens are fixed to the lower ends of one side faces of the first battens, and the second battens are obliquely and upwards placed from the side close to the first battens to the side away from the first battens. The uppermost end of the second batten is lower than the uppermost end of the first batten, one end of the first batten and one end of the second batten are attached to the peripheral wall of the rotating block, and the ends, away from the rotating block, of the first batten and the second batten are attached to the peripheral wall of the inner side of the smelting furnace. Floating waste residues on the liquid surface can be quickly gathered, the gathered waste residues are automatically discharged out of the liquid surface to be collected, and the working efficiency of slagging-off and residue collection is improved.

The utility model relates to the technical field of bridge construction, in particular to a steel box girder hoisting device for bridge construction, which comprises a support beam, hoisting rings arranged at two ends of the support beam, an adjusting rod rotatably connected to the top surface of the support beam, a driving mechanism mounted on the support beam, external threads arranged at two ends of the adjusting rod, and threads arranged at two ends of the adjusting rod in opposite directions. The two ends of the adjusting rod are in threaded connection with guide rods, one end of each guide rod is fixedly connected with a vertical plate, the vertical plate is fixedly connected with a transverse plate, the transverse plate is hinged to a clamping plate, the transverse plate is in threaded connection with a threaded rod, and a supporting plate is arranged at the top end of the threaded rod. By means of the hinged design of the clamping plate and the transverse plate, the clamping plate can automatically adjust the clamping posture along with the inclination angle of the inclined web, so that it can be ensured that the clamping plate is attached to the inclined web in a self-adaptive mode, then the supporting plate is jacked through the screw rod so as to abut against the flange plate, synchronous supporting of the inclined web and the flange plate can be formed, and the clamping effect is good. Therefore, the deformation condition of the steel box girder can be reduced.

Implementations of the disclosed subject matter provide a system including a truss that may have a plurality of bays. Each bay may include a plurality of longerons disposed in a longitudinal direction, a plurality of battens disposed in a transverse direction, and at least two longitudinal struts that are coupled by hinges that are configured to allow the at least two longitudinal struts to fold towards an interior of each bay of the truss, where at least one batten may connect and separate at least one longitudinal strut. The longitudinal struts, the longerons, and the battens may be connected to form the bay, where each side of the bay may be formed from two battens that are joined end-to-end, and where at least some of plurality of battens respectively separate at least some of the plurality of longerons. The truss may be configured to be stowed longitudinally and transversely.

The present invention relates to a high-strength and high-plastic quenching-partitioning steel based on Mn chemical inhomogeneity and a preparation method thereof, which belongs to the field of third-generation advanced high-strength steel; its chemical composition mass percentage is: C: 0.2-0.4%, Mn: 2-5%, Si: 1-3%, P: ≤ 0.005%, S: ≤ 0.005%, and the balance is Fe and unavoidable impurities. By optimizing process parameters such as critical annealing temperature and time, it is ensured that a reasonable volume fraction of poor / rich Mn zone and Mn content are obtained; and by utilizing rapid heating and extremely short austenitization and heat preservation, the diffusion of Mn element is suppressed, the uneven distribution of Mn is retained, and a high-temperature austenite consisting of polygonal Mn-poor austenite and polygonal Mn-rich austenite is formed. Due to the uneven distribution of Mn elements, the martensitic phase transformation temperature range is increased, and martensitic lath refinement is achieved using a lower quenching temperature. The present invention achieves martensitic lath refinement while retaining more residual austenite, and the yield strength of the material is significantly improved.

The utility model provides an adjustable steel-wood structure packaging box body structure which comprises a box body, a box body bottom surface, two long edge side surfaces, two wide edge side surfaces and a top surface, each of the box body bottom surface, the two long edge side surfaces, the two wide edge side surfaces and the top surface is composed of a base, two side plates, two end plates and a top cover, the two side plates are connected with the bases through thread fastening structures, and the two end plates are connected with the bases through thread fastening structures. The top cover is connected with the two side plates through fixing plates, the top cover is connected with the two end plates through fixing plates, the lowermost layer structure of the base is formed by arranging a plurality of steel channels A at equal intervals, and battens are filled in grooves of the steel channels A. The middle structure of the base is formed by two steel channels B filled with the battens at the two ends and a plurality of square strips in the middle. The uppermost layer of the base is composed of two connecting battens. The channel steel is arranged in the base, the batten is filled in the channel of the channel steel to form a steel-wood composite structure, and the strength of the base is greatly enhanced by utilizing the effects that the channel steel bears tensile force and shear force and the batten bears pressure and stress.

The utility model discloses a digital formwork integrated system, which belongs to the technical field of building engineering construction and comprises a multifunctional ejector rod, a beam side vertical rod, a cross beam supporting buckle, a beam bottom cross beam and a connecting cross rod. The multifunctional ejector rod is provided with an early-dismantling supporting buckle and an ejector rod cross arm, and the length of the ejector rod cross arm is set according to different beam widths. The beam side vertical rods are located on one side or two sides of the multifunctional ejector rod and connected with the multifunctional ejector rod through the connecting transverse rods. The beam supporting buckles are installed on the beam side vertical rods and used for being matched with the early-dismantling supporting buckles to place the beam bottom beam. And the beam bottom cross beam is a square or rectangular steel-wood keel and is used for fixing the beam bottom template. According to the beam formwork supporting system, the under-beam ejector rods and a room frame body are set up for synchronous construction, ejector rod cross arms are selected according to different beam widths, the universality of the beam formwork supporting system is improved, and labor and materials are saved; the beam side vertical rods are provided with the beam supporting buckles, the beam bottom beam is placed in cooperation with the early-dismantling supporting buckles on the multifunctional ejector rods, nails can be nailed on the beam bottom beam conveniently, meanwhile, the stress face is enlarged, and stability is improved.

The utility model relates to the technical field of bearing detection, in particular to a rolling bearing multi-sensor detection platform which comprises installation blocks, hinges, locking bolts, pressing plates and the like, the installation blocks are arranged in a semicircular shape, and the two installation blocks form an annular installation ring through the hinges. The two mounting blocks are locked through matching of the locking bolts and the locking nuts so as to maintain the state of the mounting ring, during detection, the mounting ring is sleeved on the bearing seat, a main shaft to be detected is mounted in the bearing seat through a rolling bearing, eight mounting grooves are uniformly formed in each mounting block at intervals, and pressing plates are fixedly mounted in four of the mounting grooves which are uniformly arranged at intervals. According to the utility model, the two semicircular mounting blocks are combined to form a circular mounting ring structure, and the mounting grooves and the pressing plates which are uniformly arranged on the mounting blocks at intervals are utilized, so that accurate positioning and equal-interval distribution of the vibration sensor and the lifting frame in the circumferential direction of the bearing seat are ensured.

The utility model discloses a Larsen steel sheet pile permanent enclosure structure system which comprises reinforcing steel bars which are vertically welded on concave surfaces of the inner surface of a Larsen steel sheet pile at intervals; the battens are vertically arranged on the inner sides of the steel bars in the concave surfaces of the inner surface of the Larsen steel sheet pile, and the battens are connected with the steel bars; the wood formworks are laid on the outer sides of the steel bars in the concave surfaces of the inner surface of the Larsen steel sheet pile, the wood formworks are fixedly arranged on the battens through nails, the wood formworks block the concave surfaces to form hollow cavities, the outer surfaces of the wood formworks and the convex surfaces of the inner surface of the Larsen steel sheet pile are located on the same plane, and the outer surfaces of the wood formworks and the convex surfaces of the inner surface of the Larsen steel sheet pile are located on the same plane. A plane structure is formed on the inner surface of the Larsen steel sheet pile; the waterproof coiled material is laid on the inner surface of the Larsen steel sheet pile; and the drift sand is densely filled in the cavities of the concave surfaces of the inner surface of the Larsen steel sheet pile. The utility model has the advantages of high structural strength, good bearing capacity, good non-deformability, good waterproof performance, short construction period and low cost.

The utility model relates to a square pile splicing auxiliary tool. The square pile splicing auxiliary tool structurally comprises four corner plates vertically arranged at four corners, a lower batten, an upper batten, a fine adjustment mechanism arranged on the upper batten and a fixing mechanism arranged on the lower batten, wherein the lower batten and the upper batten are arranged between every two adjacent corner plates; the fixing mechanism is used for being fixed to a pile head of a lower pile, and the fine adjustment mechanism is used for adjusting the position of the lower end of the upper pile and fixing the upper pile and the lower pile after the upper pile and the lower pile are aligned. According to the utility model, the perpendicularity of the upper pile and the lower pile can be accurately adjusted, and the problems of time and labor waste and low precision of manual adjustment in the traditional method are solved. The fine adjustment mechanism enables the adjustment process to be more visual and easy to operate, and therefore the precision and efficiency of pile splicing are remarkably improved. According to the utility model, the upper pile and the lower pile can be firmly fixed, and displacement or inclination in the pile splicing process can be prevented. The stable fixing mode is beneficial for ensuring the accuracy and safety of pile splicing, and the quality problem caused by unstable pile splicing is reduced.

The utility model provides an upper buttress template support adjusting device for a shock insulation support, which comprises a support adjusting unit arranged on one side of an upper buttress, the bottom of the upper buttress is connected with a lower buttress, the support adjusting unit comprises a threaded column and a sleeve, the bottom of the threaded column is supported on the lower buttress, the top of the sleeve is provided with a top plate, and the top plate is connected with the threaded column. The position of the sleeve is changed along the axis of the threaded column, so that the top plate sequentially passes through the batten and the back ridge to fix the bottom formwork and the end formwork, and the upper buttress, the bottom formwork and the end formwork are connected to form a pouring space of the partition damper. The device is compact in structure, ingenious in design, capable of greatly improving the efficiency of installing and fixing the upper buttress formwork, easy to operate and good in using effect.

A slat roof with two substantially parallel beams with a set of parallel slats between them that are rotatably secured to the beams is disclosed. A first beam comprises a set of recesses that are open towards the topside. Each slat has at its extremities a slat shaft, wherein the first slat shaft rests in a corresponding recess. At least one recess is provided with an abutment and the slat shaft that is positioned in the recess is provided with a locking piece that at its topside at least partially abuts against the abutment. The locking piece and the abutment together ensure vertical locking of the first extremity of the slat.

The invention relates to the technical field of building structure engineering, in particular to an assembly type partition wall shock absorption connecting system based on a multi-stage energy dissipation mechanism and a construction method.The partition wall is converted into a multi-stage energy dissipation subsystem, and the equivalent damping ratio of the system is greatly increased; the gradient flexible layer works first, consumes energy and absolutely ensures that the decorative surface layer is intact, and the gradient flexible layer is not prone to deformation. According to the invention, the effects of no repair in small earthquakes, dissipation of most earthquake energy by a damping mechanism and aseismic main force are realized, and the integrated coping steel plate ensures that all battens participate in the process cooperatively, so that the robustness and anti-collapse capability of the structure under super-fortification earthquakes are greatly enhanced, and the qualitative improvement of the anti-seismic performance is realized; the method is suitable for newly-built and reinforced reconstruction projects with high requirements for seismic resistance, a complete, efficient and reliable assembly type partition wall damping solution is formed, and the method has high innovativeness and wide engineering application prospects.

A vertical-axis turbine extending longitudinally along an axis of rotation is disclosed, wherein the turbine has first and second blades disposed around the axis of rotation, the first and second blades having proximal portions and distal portions located relatively close to and away from the axis of rotation respectively, and body portions located between the proximal portions and the distal portions. The turbine also has a rotor assembly coupled to an end of the first and second blades. The proximal portion of the first blade contacts the body portion of the second blade and the proximal portion of the second blade contacts the body portion of the first blade to form a closed volumetric region around the axis of rotation. The shape of the first and second blades may be defined by twisting a sheet of flexible material according to a frame comprising two or more pairs of battens.

The utility model discloses a concrete pavement joint batten trolley which comprises a trolley body, two balancing weights which are symmetrical left and right are arranged on the trolley body, two push rods which are symmetrical front and back are fixed on the upper side of the right end of the trolley body, and handles are fixed on the inner sides of the upper ends of the push rods. The concrete pavement joint batten trolley comprises a trolley body, supporting legs are fixed to the periphery of the bottom side of the trolley body, internal threads are formed in the inner sides of the supporting legs, screw rods are connected to the internal threads in a threaded mode, rolling wheel seats are fixed to the bottom ends of the screw rods, and rolling wheels are rotationally connected into the rolling wheel seats. The rotary table is arranged on the machine frame, the first batten pressing wheel, the second batten pressing wheel, the third batten pressing wheel and the fourth batten pressing wheel which are different in width are arranged on the peripheral side of the rotary table, free selection can be carried out when seam battens different in width are pressed, the trouble that the batten pressing wheels are replaced manually is avoided, the labor intensity of workers is greatly reduced, and the working efficiency is improved.

The invention relates to the field of building formworks, and particularly discloses a large-section column formwork reinforcing structure which comprises a plurality of sets of profile steel formwork supports, a plurality of battens and a plurality of adjusting and pressing mechanisms. The multiple sets of profile steel formwork supports are vertically arranged at intervals along the column formwork, and each set of profile steel formwork support comprises four pieces of profile steel arranged on the periphery of the column formwork in a surrounding mode. The battens are transversely arranged at intervals along the column formwork, and the length direction of the battens is parallel to the vertical direction of the column formwork. The multiple adjusting and pressing mechanisms are arranged between the profile steel and the batten. The adjusting pressing mechanism is provided with a first face and a second face, the first face abuts against the batten, and the second face abuts against the back edge of the profile steel. The adjusting and pressing mechanism further comprises an adjusting assembly used for driving the first face to be close to or away from the second face, and therefore the batten can conduct compensatory pressing on the column formwork. According to the method, interface gaps caused by square deformation of the wood can be eliminated, and single-point dynamic pressing and quantitative fine adjustment are achieved.

The utility model relates to the technical field of building decoration, and specifically discloses an adjustable I-shaped line and an adjustable I-shaped line, a fixing part comprises an inner batten and a groove part one arranged at the middle part of the top surface of the inner batten, and an adjusting part comprises an outer batten and a groove part two arranged at the middle part of the bottom surface of the outer batten and matched with the groove part one through insertion, the two side walls in the inner cavity of the groove part one are respectively provided with inner toothed protrusions, the two side outer walls of the groove part two are respectively provided with outer toothed protrusions, and the inner toothed protrusions and the outer toothed protrusions are matched through clamping, the fixing part and the adjusting part are both made of aluminum alloy, the inner batten and the groove part one are an integral forming part, and the outer batten and the groove part two are an integral forming part, and the problem that the I-shaped line is difficult to flexibly adapt to wallboards of different thickness sizes is solved.

The utility model discloses a metal product cleaning jig which comprises a first frame body and a second frame body, the side face of the first frame body is provided with the second frame body, the interior of the first frame body is in sliding connection with a T-shaped plate, the interior of the first frame body is in sliding connection with a bottom plate, and the interior of the first frame body is in sliding connection with a top plate. A second strip-shaped clamping plate is arranged on the side face of the top plate, a third strip-shaped clamping plate is installed on the top of the bottom plate, and a threaded column is arranged on the top of the T-shaped plate. According to the metal product cleaning jig, a T-shaped plate is slidably connected into a first frame body, a positioning rod and a threaded seat are arranged on the side face of the first frame body, and a mounting plate and a fastening screw are arranged on the side face of a second frame body, so that the second frame body is taken out from the side face of the first frame body, and then a strip-shaped clamping plate needing to be clamped is taken out for mounting; and the first frame body and the second frame body are connected by screwing the fastening screw rod, so that selective assembly can be performed according to actual conditions, and the compatibility is relatively high during clamping.

The utility model relates to the technical field of construction site power distribution, in particular to a movable power distribution box platform deck which comprises a protection cage and a bottom plate, lifting lugs are arranged on the upper side of the protection cage, a wood plate pad is arranged on the upper side of the bottom plate, at least three sets of sliding seats are arranged on the lower side of the bottom plate, and sliding rails are arranged on the lower sides of the sliding seats. A batten is arranged on the lower side of the sliding rail, and stabilizing blocks are arranged at the two ends of the batten; the sliding seat comprises a guide rail seat, rollers and sliding pins, the multiple sets of sliding pins are evenly arranged on the upper side of the guide rail seat, groove walls matched with the sliding pins are arranged on the lower surface of the bottom plate, and the groove walls are perpendicular to the sliding rails; distribution boxes are installed in the protection cage in a centralized mode, the wood base plate is arranged at the bottom, the distribution boxes are convenient to fix, insulation is achieved, safety is guaranteed, in addition, the sliding seats are arranged and matched with the sliding pins to achieve longitudinal and transverse movement and small-range rapid adjustment, use convenience is improved, bottom wood beams can be rapidly laid and adjusted, and operation is convenient.

The utility model relates to a support-free recyclable steel-wood combined truss laminated slab. The laminated slab is composed of a prefabricated slab, in-slab steel bars, a steel-wood combined truss and a laminated layer. The prefabricated plate is located at the bottom, the in-plate steel bars and the steel-wood combined truss are sequentially arranged above the prefabricated plate, and the laminated layer is poured above the prefabricated plate. Lower chords and web members of the steel-wood combined truss are made of steel bars, upper chords are made of battens, and the bottom faces of the battens are higher than the top face of the concrete-poured laminated layer by a certain distance, so that disassembly is convenient. The bending resistance of the steel-wood combined section is utilized, an under-plate support is omitted, the leasing cost of the scaffold is saved, the wood beams can be repeatedly utilized, and remarkable economic and social benefits are achieved.

The invention relates to the technical field of welding wire annealing furnaces, in particular to an environment-friendly integrated welding wire annealing furnace which enables welding wires to be taken and placed more conveniently, enables the welding wires to be heated more uniformly, enables the annealing treatment effect of the welding wires to be better, and effectively improves the working efficiency. Comprising a base, four sets of supporting columns are symmetrically connected to the bottom end of the base, an annealing furnace body is fixedly installed at the top end of the base, two sets of furnace covers cover two sets of taking and placing openings correspondingly, connecting battens are hinged between the two ends of four sets of hinge bases and the two ends of two sets of double-end hinge bases correspondingly, and two sets of guide columns are slidably arranged on two sets of guide sleeves in a bilateral symmetry mode; the inner sides of the four sets of guide columns are connected with the four sets of sliding blocks correspondingly, an adjusting lead screw is rotationally arranged between each set of furnace cover and each set of separation disc, the outer sides of the two sets of adjusting lead screws are connected with the output ends of the two sets of overturning motors correspondingly, and the two sets of adjusting lead screws are each sleeved with two sets of welding wire clamping discs in a screwed mode. A plurality of sets of welding wire clamping grooves are annularly formed in each set of welding wire clamping disc at equal intervals.

The utility model discloses an H-shaped PVC (Polyvinyl Chloride) clamping strip for a fair-faced concrete thermal insulation wall connecting frame structure, the main body of a clamping strip body is a PVC plate with an H-shaped cross section, and extension strips are arranged in the centers of the left side surface and the right side surface of the clamping strip body; the extension strip and the clamping strip body are integrated, the extension strip is perpendicular to the clamping strip body, and a plurality of holes are formed in the extension strip. Compared with the prior art, the PVC battens are embedded into the wall column concrete through the clamping strips, fixing is facilitated, displacement is prevented, and the waterproof function is achieved; steel bar binding wires penetrate through the holes to be connected with the steel bars, and the PVC battens are fixed. And the PVC battens reduce the concrete connecting surface of the frame column and the infilled wall part, so that the influence of the concrete of the infilled wall part on the load of the frame column part is reduced.

The utility model provides a combined type multifunctional supporting frame for decoration engineering veneer installation, which comprises a vertical rod arranged vertically, and a base is arranged at the bottom of the vertical rod; the transverse rods are detachably mounted on the vertical frame at intervals in the axial direction of the vertical frame; a vertical telescopic mechanism is installed at the top of the vertical rod, and horizontal telescopic mechanisms are installed at the two ends of the transverse rod. The combined type multifunctional supporting frame for decoration engineering veneer installation solves the problems that a traditional door pocket veneer is not attractive and practical, materials are wasted, construction efficiency is low, and installation quality is poor (vertical flatness is poor) due to the fact that battens and multi-layer plates are adopted for supporting in installation.

The utility model belongs to carton layered partition board technical field discloses a kind of carton layered partition board, including a plurality of first partition board, the top end side of a plurality of first partition board is equipped with a plurality of first clamping slot, a plurality of first partition board are all connected with a plurality of second partition board by a plurality of first clamping slot clamping, the bottom end of second partition board is equipped with a plurality of second clamping slot corresponding a plurality of first clamping slot, the bottom end of second partition board is equipped with a plurality of connecting blocks, the both sides of connecting block are all connected with waterproof board, the bottom end of a plurality of first partition board and a plurality of second partition board is equipped with batten. The device simple and reasonable in structure, novel in design, easy to operate, with high practicability, it is convenient to widely use.

The invention relates to the technical field of assembly type pitched roof structures and construction methods, in particular to an assembly type pitched roof structure and a construction method.The assembly type pitched roof structure comprises an alloy base plate frame, multiple sets of mounting grooves are formed in the top of the alloy base plate frame, and first telescopic grooves are formed in the positions, on the two sides of the mounting grooves, of the alloy base plate frame; a fixing plate is elastically connected into the first telescopic groove; the fabricated pitched roof structure and the construction method have the beneficial effects that the alloy substrate frame is mounted on the pitched roof firstly, when the aluminum alloy roof battens are mounted, the aluminum alloy roof battens are inserted into the mounting grooves formed in the top of the alloy substrate frame one by one through the mounting blocks, and then the aluminum alloy roof battens are mounted on the pitched roof; at the moment, the bottom of the mounting block extrudes the cambered surface of the fixing plate, so that the fixing plate is contracted into the first telescopic groove, and when the bottom of the mounting block reaches the bottom of the mounting groove, a first spring in the first telescopic groove pops up the fixing plate through elastic force, so that the fixing plate is inserted into fixing insertion grooves formed in the two sides of the mounting block.