1454 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 discloses a heat dissipation opening and closing type power cable which comprises a cable insulating layer, an external sleeving layer, a cable shell and a heat dissipation opening and closing assembly. The dual-operation mode of heat dissipation and closed protection can be achieved, adjustment is conducted through different temperatures, flexible heat dissipation can be conducted at high temperature in summer, closed protection can be conducted at low temperature in winter, and it is avoided that rain and snow enter and freeze the interior; the adjusting ring rotates and drives the multiple movable battens to move in the heat dissipation cavity in the radial direction, when the adjusting ring rotates and enables the inner side of the adjusting ring to abut against the multiple movable battens to move inwards in the radial direction, the opening and closing blocks can be disengaged from the opening and closing holes, and heat dissipation is conducted through the heat dissipation holes, the heat dissipation cavity and the opening and closing holes; when the adjusting ring rotates and enables the closed spring column to eject the movable batten to move towards the outer side, the multiple opening and closing blocks are inserted and closed in the opening and closing holes one by one, so that closed protection is achieved, and flexible adjustment can be conducted.

The invention relates to the technical field of building decoration material processing, in particular to a metal material bending machine for building decoration, which comprises a machine base, two rotating shafts, two supporting battens, a pressure head and a transmission mechanism, a bending area is formed between the two supporting battens, the two supporting battens have a first working state and a second working state, and the two rotating shafts are arranged on the machine base. In the first working state, the plate surfaces of the two supporting battens are located on the same horizontal plane, and in the second working state, the plate surfaces of the two supporting battens are oppositely arranged and jointly form a V-shaped bending groove; when the pressing head presses the plate, the two rotating shafts can be driven to synchronously rotate in the opposite directions under the action of the transmission mechanism, so that the two supporting strip plates are switched from the first working state to the second working state, the two supporting strip plates are synchronously driven to inwards extrude and push the plate, and the plates on the two sides of the outer side of the bending point are gathered towards the bending point; therefore, the stretching amount can be compensated, and the possibility that the outer side of the bending point of the plate is torn is reduced.

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 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 utility model discloses on-line PCBA paster automatic optical detection equipment which comprises a base, a platform and a scanner. The platform comprises a plurality of deformation plate sets, each deformation plate set comprises a middle batten, the middle battens are fixedly connected with the base, the two side edges of each middle batten are connected with side battens, and a plurality of patch positioning grooves are formed in the middle battens in the length direction of the middle battens at equal intervals; the ends, in the length direction, of the side battens are connected with driving parts, and the driving parts are used for synchronously driving the multiple side battens to rotate around the connecting positions of the side battens and the middle batten. By controlling the rotation sequence of the side battens on the two sides of the middle batten, the patches in the patch positioning grooves are turned over, and the side edges of the patches face the scanner. According to the utility model, automatic optical detection of batch PCBA patches can be realized, and angle adjustment can be carried out on the batch PCBA patches, so that pin ends of the patches can be exposed under a camera scanner at multiple angles, and the automatic optical detection efficiency of the PCBA patches can be effectively 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.

A batten support (5) is provided for supporting a batten (2a, 2b) in a roof structure. The batten support (5) has a base portion (51) shaped to lie on or against a roof support member (1). The base portion (51) is configured to be secured to the roof support member (1) by a fastener (3) passing through the base portion (51) into the roof support member (1). The batten support (5) also has a ledge portion (52) projecting at an angle relative to the base portion (51), to lie against a lateral surface of the batten (2a, 2b), thereby supporting the batten (2a, 2b). A method of forming the roof structure is also provided, the roof structure when formed comprising the batten (2a, 2b), the roof support member (1) and the batten support (5). The method comprises: arranging the base portion (51) of the batten support (5) on, or against, a surface of the roof support member (1); arranging a surface of the batten (2a, 2b) on, or against, a ledge portion (52) of the batten support (5), the ledge portion (52) projecting at an angle to the base portion (51); and passing the fastener (3) through at least one of the base portion (51) and the ledge portion (52) into the roof support member (1).

The utility model discloses an internet of things water meter which comprises a main body, a buffer mechanism and an adjusting mechanism, the main body comprises a remote water meter, the rear side of the remote water meter is provided with a connecting plate, the rear side of the connecting plate is fixedly connected with two sets of connecting rods, and the rear sides of the two sets of connecting rods are jointly and fixedly connected with a mounting batten. The mounting plate strip is in an n shape, an opening of the mounting plate strip is arranged back to the remote water meter, mounting holes are formed in four corners of the mounting plate strip, the buffer mechanism comprises two groups of connecting columns, and the two groups of connecting columns penetrate through the connecting plate and are in sliding connection with the connecting plate. The remote water meter is fixed to the wall surface, the weight of the remote water meter is prevented from being completely applied to a water pipe, meanwhile, it can be ensured that the remote water meter is always kept in a horizontal state, the buffering mechanism can buffer impact force when the remote water meter is impacted through two sets of buffering springs, and the remote water meter can be prevented from being damaged due to impact.

The utility model belongs to the technical field of tiled roof photovoltaic panel construction, and particularly relates to a solar photovoltaic panel hidden type fixing embedded part on a tiled roof, which comprises a counter batten, the counter batten is laid on a concrete structure, embedded steel bars are embedded in the concrete structure and the counter batten, an embedded component and a roof batten are installed on the counter batten, tiles are laid on the roof batten, and the embedded steel bars are embedded in the concrete structure. A side support is installed on the embedded component, a guide rail is installed on the top face of the side support, a plastic wing nut is installed in the guide rail in a sliding and clamping mode, a side pressing weight and a middle pressing block are installed on the plastic wing nut, the side pressing weight and the middle pressing block cover a photovoltaic panel in a pressing mode, and the photovoltaic panel is laid on the guide rail. The pre-embedded component is matched with the fixed side support and the guide rail to conveniently fix the photovoltaic panel; by screwing the plastic wing nut, the photovoltaic panel is pressed and fixed by the edge pressing code and the middle pressing block, so that the construction difficulty is reduced, the process flow is shortened, the efficiency is improved, the construction period is shortened, and the overall stability of the photovoltaic panel is improved.

The invention discloses assembly type AAC batten wall auxiliary installation equipment, and relates to the technical field of AAC batten wall installation, the assembly type AAC batten wall auxiliary installation equipment comprises a frame, the frame is composed of multiple sets of steel pipes, and one side of the frame is provided with a batten wall body and an auxiliary installation mechanism; the designed frame and the auxiliary mounting mechanism are combined, a steel wire rope is driven by a winch to be wound in the using process, so that one end of the bottom plate is upwards inclined and erected, a batten wall body on the bottom plate is driven to be erected, meanwhile, a pressing block can clamp the batten wall body under the condition that human intervention is not needed, and the batten wall body can be conveniently mounted. The batten wall main body is clamped and limited in the erecting process, the occurrence probability of movement and displacement is avoided, the batten wall main body on the bottom plate does not need to be manually fixed and installed in the erecting process, the working efficiency is greatly improved, and the labor intensity of workers is reduced. And instability and potential safety hazards possibly caused by manual fixing of the batten wall body are avoided, and the installation efficiency and the installation quality are improved.

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 discloses a Teflon packing supporting grating plate which comprises a plurality of Teflon battens, three through holes are formed in one side face of each Teflon batten, Teflon pull rods are arranged in each set of through holes in a sleeved mode, a locking nut is arranged on the outer surface of each Teflon pull rod in a sleeved mode, and the Teflon packing supporting grating plate comprises a plurality of Teflon battens. The outer surface of each teflon pull rod is sleeved with two reset springs, and the outer surface of each teflon pull rod is sleeved with a sliding ring. According to the device, the PTFE pull rods are matched with the PTFE battens to form a supporting grating plate, the positioning sleeves with the supporting rings are arranged between the PTFE battens, the distance between gratings can be positioned through the positioning sleeves, the sliding rings are arranged on the PTFE pull rods, and the welding rods are arranged on the connecting plates between the sliding rings, so that the distance between the gratings can be adjusted; the supporting grating can be conveniently welded with the PTFE tower through the welding rods, so that the problem that the supporting grating plate is inconvenient to use due to the fact that the PTFE tower is inconvenient to be welded and mounted due to poor welding performance of PTFE is solved.

The utility model provides a temporary damping device for a stay cable. The temporary vibration reduction device for the stay cable comprises a batten plug pad vibration reduction system and a cable end auxiliary cable vibration reduction system. The batten plug pad vibration reduction system comprises a batten, a stay cable sleeve and a protection part, the stay cable sleeve is arranged on the periphery of the stay cable in a sleeving mode, a cavity is formed between the inner wall face of the stay cable sleeve and the outer wall face of the stay cable, the batten is filled in the cavity, and the protection part is at least fixedly arranged at a pipe opening of the stay cable sleeve so that the batten can not be exposed in the air; the cable end auxiliary cable vibration reduction system comprises a flexible sling and a connecting piece, the first end of the flexible sling is wound and fixed to the stay cable, and the second end of the flexible sling is in bolted connection with a preformed hole of a bridge steel guardrail through the connecting piece. According to the temporary damping device for the stay cable, the adverse effect caused by wind vibration on the stay cable in the construction process can be reduced, the wind vibration loss of the stay cable is reduced, and the installation and construction efficiency of the stay cable is 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 relates to the technical field of floor lock catch structures, in particular to a stable floor lock catch structure which comprises a floor body, a first mortise is formed in one side of the floor body, a first tenon plate connected with the first mortise in a clamped mode is installed at the other end of the floor body, and a second tenon plate is installed on the inner wall of the first mortise. A second tenon groove connected with the second tenon plate in a clamped mode is formed in one side of the first tenon plate, a transverse groove is formed in the floor body, battens are connected to the inner side of the transverse groove in a clamped mode, every two adjacent battens are connected in a clamped mode through a quick locking mechanism, and the quick locking mechanism comprises a movable butt joint assembly, an abutting assembly and a dragging assembly. The movable butt joint assembly is used for preliminarily splicing two adjacent groups of battens, and the dragging assembly is used for unlocking the two groups of battens; the connecting structure is simple in structure and convenient to operate, and the connecting strength between the floor main bodies is further improved after the floor main bodies are laid.

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 invention provides a non-uniform load loading test device and method based on elastic-plastic partition of a bearing coal pillar, and belongs to the technical field of non-uniform load loading tests. The technical problem to be solved is to provide the non-uniform load loading test device and method based on the elastic-plastic partition of the bearing coal pillar. According to the technical scheme, all rigid pressing strips are arranged according to an elastic-plastic stress partition form of a coal sample, and the arranged rigid pressing strips are fixed by rigid pressing strip clamp front and rear side clamping plates and rigid pressing strip clamp left and right side clamping plates through bolts; the sensing end of each rigid pressing strip is in contact with the coal sample; the detection end of each rigid pressing strip is in contact with the normal hydraulic transmission shaft and the lateral hydraulic transmission shaft; rigid batten clamp fixing shafts are mounted on the outer sides of the rigid batten clamp left and right side clamping plates; the device is applied to the non-uniform load loading test.

The invention discloses a measuring, positioning and mounting method for an ultra-long arc-shaped aluminum plate. The mounting method comprises the following steps: deeply designing a suspended ceiling, reserving a control point, constructing a roof steel structure, rechecking the control point, modeling the roof steel structure, reviewing a model, mounting a keel pipe hoop assembly, mounting a keel pipe, mounting a suspended ceiling hanging assembly and mounting a suspended ceiling plate. The initial positioning temporary bracket is adopted for controlling the longitudinal position of the ceiling plate, the ceiling plate edge mounting control line formed by rays of the laser gradienter is adopted for controlling the transverse position of the ceiling plate, and the measuring tape is adopted for controlling the chord height direction position of the ceiling plate for measurement. The suspended ceiling plate is positioned and temporarily fixed through three kinds of control, and then the posture of the suspended ceiling plate is accurately adjusted through measurement of a Leica reflector plate and a total station. According to the method, installation of the suspended ceiling batten in the hollowed-out design of the suspended ceiling plate is achieved, the suspended ceiling batten is positioned, the posture of the suspended ceiling batten is accurately adjusted, then the posture of the suspended ceiling plate is accurately adjusted, and the space installation position precision of the suspended ceiling plate and the final forming impression of the hyperbolic suspended ceiling are both considered.

The utility model relates to the technical field of civil engineering, and discloses an expressway reconstruction and expansion soft foundation section anti-settlement structure which comprises an expansion connection anchor rod part and a soft foundation bracket part, an anchor rod piece is fixedly connected to the hard foundation side in an expansion foundation pit, a longitudinal connection batten with a transverse supporting batten welded to the lower end is connected to the anchor rod piece, and the soft foundation bracket part is fixedly connected to the expansion connection anchor rod part. When the soft foundation road section is expanded, connection between the expansion road section and the original expressway section is more convenient, meanwhile, the supporting brackets are welded to the transverse supporting plate strips, then concrete is poured into the expansion foundation pit provided with the supporting brackets, and the bottom foundation nets are fixedly welded between the adjacent transverse supporting plate strips. The bottom foundation net can hold and support poured concrete, and meanwhile the transverse supporting battens connected with the longitudinal connecting battens can be pulled by the longitudinal connecting battens, so that the anti-sedimentation effect on the soft foundation road section is better.

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.