61results about How to "Strong turnover" patented technology

The invention relates to the technical field of boards, in particular to a reinforced composite board and a production technology thereof. The reinforced composite board comprises a color steel plate layer formed by a steel plate which is subjected to baking varnish treatment, and a fireproof material layer compounded on the color steel plate layer; and is characterized in that at least one reinforced rib layer is arranged between the color steel plate layer and the fireproof material layer or inside the fireproof material layer. The invention has the beneficial effects that the structure is novel and simple, and the original board is internally additionally provided with the reinforced rib layer, thus greatly improving tensile property and toughness and using strength of boards, preventing cracking of core material caused by heat expansion and cold contraction, transportation, installation and the like, improving the repeated using property of a product, achieving the purpose of saving energy, and having the advantages of green and environmental protection property, non-ignitable property and fire resistance, high efficiency and heat insulation, ventilation and mould resistance, water resistance, good weather resistance, strong revolving capability and the like; in addition, the production technology is simple, the cost is low, and the properties are good, thus being widely applied to the fields of temporary buildings, road sound-proof walls, refrigeration, freezing storehouses and the like.

The invention relates to concrete production equipment, in particular to a container type concrete mixing plant. The container type concrete mixing plant comprises a cement storage container, a coarseaggregate container used for storing stone and a fine aggregate container used for storing sand. A sand buffer bin and a stone buffer bin are arranged at the top of a main building container. A second bucket elevator used for conveying fine aggregate and coarse aggregate into the main building container is arranged in the fine aggregate container. The second bucket elevator is provided with two feeding openings formed in the bottom of the coarse aggregate container and the bottom of the fine aggregate container correspondingly. The second bucket elevator is provided with two discharging openings, and the two discharging openings are connected with the sand buffer bin and the stone buffer bin correspondingly. A distributor valve used for switching the start-stop time of the two dischargingopenings of the second bucket elevator is arranged on a conveying pipeline of the second bucket elevator. The sand buffer bin and the stone buffer bin are each provided with a weighing sensor. The weighing sensors are in signal connection with the distributor valve and control the start-stop time of the distributor valve.

The invention provides a material storing device for constructional engineering and belongs to the technical field of building construction. A supporting frame comprises at least four supporting bodies; each supporting body comprises a pedestal and an upright post; each upright post is provided with a plurality of sleeves; the upper part of each upright post is provided with an angle regulating device; each set of storing unit comprises a cross brace, a lifting ring and a universal wheel; the two ends of each cross brace horizontally extend toward the outer side to form horizontal rods; the end part of each horizontal rod is bent downwards to form a vertical rod; every two lifting rings are correspondingly arranged on the horizontal rods at the two ends of the corresponding cross brace; the universal wheels are arranged at the bottoms of the cross braces in a spaced manner; the vertical rods at the two ends of each storing unit are correspondingly inserted into the sleeves of the upright posts which are arranged oppositely; a shielding device comprises a controller, an alarming machine and two shielding plates; the top of each shielding plate is provided with a humidity sensor; oneshielding plate is connected with the angle regulating device on the upright post at one side; and the other shielding plate is connected with the angle regulating device on the upright post at the other side. The material storing device is reasonable in structure, realizes classified storage of building materials and lowers the engineering cost investment.

The invention discloses a building plastic formwork and a preparation method thereof. The formwork consists of an upper layer, a lower layer and a middle layer, wherein the upper layer and the lower layer are both prepared from co-polypropylene, the middle layer is prepared from the following raw materials in percentage by weight: 25%-35% of polyethylene, 37.5%-45% of co-polypropylene, 18%-25% of polypropylene fiber, 3%-7% of calcium-magnesium powder and 1.5%-3% of a defoaming agent. The preparation method comprises the following steps: 1), mixing raw materials of the middle layer uniformly; 2), loading the uniformly mixed raw materials in step 1) for plastification; 3), performing plastification on co-polypropylene and performing vertical dividing; 4), performing extrusion forming on extruded and plastified materials in step 2) and materials subjected to dividing in step 3) simultaneously, cooling and polishing, and making air holes and nail holes, naturally cooling after punching, and finally performing edge cutting, shaping and dimensioning. The building plastic formwork has the advantages that good waterproofness, wear resistance, toughness, high stress resistance, high easiness in demoulding are realized, and the formwork can be repeatedly used and recycled. The preparation method is simple in process, low in preparation cost and suitable for industrial production.

The invention discloses a deeply-loosening and furrowing shovel for garden fertilizing. The shovel is composed of a deeply-loosening shovel, a furrowing blade, and two rib plates; two rib plates are symmetrically welded on the bottom surface of the furrowing blade along the vertical direction of the furrowing blade; the backward-leaning section of the handle of the deeply-loosening shovel is arranged in the gap between two rib plates through a bolt, and through the bolt connection among the backward-leaning section of the handle and two rib plates, the deeply-loosening shovel is fixedly assembled to or disassembled from the furrowing blade. The provided deeply-loosening and furrowing shovel can carry out furrowing and deep loosening at the same time, moreover the furrow depth can be adjusted by adjusting the installation position of furrowing blade in the backward-leaning section of the handle of the deeply-loosening shovel so as to achieve deep fertilizing with shallow furrows, the soil is slightly turned over, thus the destroy to the roots of fruit trees is minimized, the requirements on the matched powder supply are low, the structure of the shovel is simple, and the shovel is very practical.

The invention discloses a coke oven top plate pipe laid assembled type fixing rack which comprises a plurality of pre-laid bar dowels, a plurality of longitudinal horizontal tubes, a plurality of transverse horizontal tubes, a plurality of lower laid ejection tubes, a plurality of laid cleaning tubes, a plurality of laid temperature testing tubes and a plurality of control elevation short tubes, wherein the pre-laid bar dowels are pre-laid on frame column heads of a coke oven foundation top plate; the control elevation short tubes are welded on the pre-laid bar dowels; the longitudinal horizontal tubes are erected along a frame column longitudinal tower and are fixedly connected with the control elevation short tubes; the transverse horizontal tubes are fixedly erected on the longitudinal horizontal tubes; the longitudinal horizontal tubes and the transverse horizontal tubes form an overall scaffold grid net; the lower laid ejection tubes and the laid temperature testing tubes are fixedly mounted on the transverse horizontal tubes; the laid cleaning tubes are fixedly mounted between two adjacent transverse horizontal tubes. The coke oven top plate pipe laid assembled type fixing rack is convenient and rapid to assemble and fix, good in transfer usability, easy in disassembling fixed laid tubes and relatively convenient to control elevation, displacement and mounting process adjustment, and moreover as a fixing rack material can be transferred and recycled, the cost can be reduced.

The invention discloses a lighting lamp holder. The lighting lamp holder comprises a base, a telescopic frame, a lamp holder body and a lighting lamp. A chute is fixedly formed in the base, a pulley is arranged in the chute in a sliding mode through a transmission mechanism, and the transmission mechanism drives the pulley to linearly move along the chute. The telescopic frame is erected on the base and fixedly connected to the pulley, and the telescopic frame is driven by the pulley to ascend and descend. The lamp holder body is fixedly arranged at the top of the telescopic frame. The lighting lamp is fixedly arranged on the lamp holder body. According to the lighting lamp holder, the pulley is driven by the transmission mechanism to linearly move along the chute, the telescopic frame is further driven by the pulley to ascend and descend, and then lighting lamp holder can stretch out and contract. The lighting lamp holder is easy and convenient to assemble on a construction site, flexible to apply, easy to operate, convenient to use and high in circulation performance, resources are saved, manufacturing cost is reduced, and the requirements of green construction are met.

The invention discloses a Larsen steel sheet pile supporting structure comprising a plurality of Larsen steel sheet pile bodies driven into a soil body. The multiple Larsen steel sheet pile bodies form two rows of structures arranged in parallel, each row of Larsen steel sheet pile bodies are provided with surrounding purlins, and a plurality of support structure bodies are arranged between the opposite side faces of the two rows of surrounding purlins; each support structure body comprises a support rod and a sleeve, each support rod is loaded into the corresponding sleeve, and the relative length can be adjusted; and the technical problems that in the prior art, construction of the support structures is complicated, the influence of the installation process on the environment is low, theinstallation efficiency is low, and transfer and use are not prone to achievement are solved.

The invention discloses a multifunctional folding fabricated operating platform. The multifunctional folding fabricated operating platform is composed of hanging pedestals, bearing frames, connectingrods, adjustable supporting frames, a fence, an operating platform body, plugs and the like. During construction such as building construction, bridge pier stud construction, various kinds of cast-in-place construction, beam and slab prefabricated construction, steel and concrete superposed beam construction or construction of other cantilever structures, the folding fabricated operating platformis connected at a butt joint position through the different hanging pedestals, construction working faces are increased, the operation is facilitated, the construction speed is increased, the safety is good, transportation is convenient, the turnover performance is high, and economic benefits and social benefits are obvious.

The invention relates to a movable back-jacking device, and belongs to the technical field of lifting devices. The movable back-jacking device comprises a top supporting plate, a hydraulic back-jacking device body, a supporting piece and a movable base, wherein the top supporting plate is fixedly arranged at the top end of a plunger of the hydraulic back-jacking device body, the hydraulic back-jacking device body is fixedly arranged at the top end of the supporting piece, and the bottom end of the supporting piece is arranged at the top end of the movable base. According to the movable back-jacking device, a fixing piece can be loosely and tightly adjusted to realize the assembly and disassembly of the supporting piece, the height of the hydraulic device is manually adjusted, the top supporting plate arranged in the upper portion can be used for dispersing the load force, the whole back-jacking device can realize 360-degree omnibearing movement through the movable base, and therefore,the back-jacking device has the effects of being adjustable, movable, easy and convenient to operate, high in adaptability and accurate in back jacking.

The invention discloses a prefabricated part scaffold movable membrane construction method in the technical field of concrete prefabricated parts. The prefabricated part scaffold movable membrane construction method comprises the following steps that: a manufacturing site is selected and cleaned; a scaffold membrane is erected, and the flatness of the scaffold membrane is measured; mounting and reinforcing of a prefabricated column bottom die, a reinforcing steel bar and a side die are conducted; concrete is poured into the built prefabricated part scaffold movable membrane; and prefabricated columns continue to be erected above the first layer of prefabricated columns. The prefabricated part scaffold movable membrane construction method is good in quality control, time and machining cost are saved, the labor utilization rate is high, the auxiliary material turnover rate is high, less construction waste is generated, energy is saved, environment friendliness is achieved, operability and practicability are high, and the prefabricated part scaffold movable membrane construction method can be widely applied to the construction fields such as on-site machining and manufacturing of concrete prefabricated parts in constructional engineering.

The invention provides a safety protection railing for construction of an upper portion of a bridge. The safety protection railing comprises a group of guardrails which are mutually connected and supporting rods (5) supporting the guardrails. Each guardrail comprises a rectangular frame (1) formed by welding square steel tubes, a metal net (2) installed on the upper portion of the rectangular frame and a metal paste foot plate (3) installed in the lower portion; adjacent guardrails are connected via bolts (4) penetrating stand rods (1a) of the rectangular frames; the supporting rods (5) are installed on the two side surfaces of each rectangular guardrail; the upper ends of the supporting rods are fixedly connected to the stand rods of the rectangular frames via bolts and the lower ends of the supporting rods are inserted in embedded bars (6) of a bridge protecting wall and are fixed by tightening bolts. The safety protection railing is simple in structure and rapid to install and dismount, is safe and reliable, is firm and durable after being formed, is flexible and convenient to use, and is great in protection performance and reusability.

The utility model discloses a connecting channel structure of a climbing frame and a tower crane, which is characterized in that a frame structure is fixed on the climbing frame through a steel pull rod and a bottom frame, can move upwards along with climbing of the climbing frame, and only needs to be mounted and dismounted once, so that frequent mounting and dismounting operation of a steel pipe fastener type channel in the traditional technology is avoided, and the construction step of mounting and dismounting for multiple times is omitted; therefore, manpower is saved, the labor intensity of field worker construction is reduced, the construction period is shortened, and the construction efficiency is improved. A frame structure is adopted as a force bearing main body of the channel, and handrails, a steel fence net and a punching protective net are added as reinforcing structures, so that compared with a traditional channel, the channel has higher stability and reliability, and the safety risk is reduced; the turnover plate is arranged on the bottom frame, the turnover plate can be in lap joint with a tower crane standard knot during use, a pedal is provided for passing of a tower crane driver, the falling risk of the tower crane driver is reduced, the turnover plate is taken back when the climbing frame needs to climb, and the climbing frame is flexible and convenient to use.

The invention provides a post-cast strip pouring supporting system and a post-cast strip pouring construction method, and belongs to the technical field of rail engineering. The post-cast strip pouring supporting system comprises a limiting side mold, an inserting plate and a supporting assembly. Technical effects are that: before the self-compacting concrete filling layer is poured, an insertingplate is arranged on the post-cast strip to block the previous self-compacting concrete filling layer, and the post-cast strip and the lower space of the next track plate form a communicating structure; when the post-cast strip is poured, pouring of the self-compacting concrete filling layer is synchronously achieved, pouring does not need to be conducted after the self-compacting concrete fillinglayer meets the strength requirement; the time difference between the post-cast strip and the next track plate is reduced, the construction efficiency is improved, and continuous line production canbe achieved; and meanwhile, the limiting side molds and the supporting assemblies are used for achieving position fixing and position adjusting of the inserting plates, the supporting assemblies can avoid steel bars between the adjacent track plates, the operability is high, the problem that a traditional end mold is difficult to take out is solved, the dismounting and mounting are easy and convenient, the turnover rate is high, and the construction difficulty is reduced.

The invention relates to road surface equipment, and especially relates to a temporary emergency road surface equipment unite plate body and the road surface equipment. The temporary emergency road surface equipment unite plate body comprises a road surface plate basal body, wherein the road surface plate basal body comprises a frame which is formed by two crosswise side plates and two lengthwise side plates; at least one group of one-way or two-way cross black metal fillets are arranged in the frame, and a concrete layer is integrally poured in the frame; four turnings and four corners of the frame are fixedly provided with connecting plates with mounting holes, or the frame is provided with four extending ends; the four extending ends are provided with mounting holes, when one group of fillets are adopted, the one group of fillets are close to the lower surface of the frame, and when two or more groups of fillets are adopted, two groups of the two or more groups of fillets are close to the upper and lower surfaces of the frame respectively; and the road surface equipment comprises multiple road surface plate basal bodies which are transversely or longitudinally spliced and then fixedly connected. The plate body and the road surface equipment provided by the invention are recycled, the energy is saved, the construction cost is reduced, further the service life of a road surface plate is prolonged, the environmental secondary pollution problem of concrete waste is effectively solved, and the construction is simple, thereby being suitable for the rapid installation, and being beneficial to popularization implement.

The utility model relates to the technical field of building tools, in particular to a reusable lining tool for a secondary structure reverse ridge, which comprises a connecting plate, a handle and a lining, the handle is fixedly connected to the top of the connecting plate, movable openings are formed in the surfaces of the two ends of the connecting plate in a penetrating manner, and movable blocks are adaptively and slidably connected to the interiors of the movable openings; moving plates are fixedly connected to the bottoms of the moving blocks, bottom plates are slidably arranged on the opposite sides of the two moving plates, inserting columns are fixedly connected to the tops of the bottom plates, drill holes are formed in the positions, opposite to the inserting columns, of the lining, and the inserting columns are matched with the drill holes formed in the lining in an inserted mode. According to the reusable lining tool for the secondary structure reverse ridge, the lining is directly placed on the top of the reverse ridge formwork to prevent inclination, concrete can be poured after the reverse ridge formwork is reinforced, the tool can be dismantled after the concrete is poured and initially set, and the tool can be manufactured by selecting waste angle steel on a construction site. The design structure is simple and practical, manufacturing is convenient, turnover performance is high, and economical efficiency is good.

The construction method comprises the steps that according to the design form of a temporary steel pipe support and the position of the steel pipe stand column, pre-embedded angle steel is installed on an expanded foundation or a bearing platform, and the position of the pre-embedded angle steel corresponds to the outer side of the steel pipe stand column; the steel pipe stand columns and the embedded angle steel are temporarily welded and fixedly connected, so that the steel pipe stand columns are stably supported on the enlarged foundation or the bearing platform; after the temporary steel pipe support is installed into a whole and connected with the bridge stand column in an anchoring mode, temporary welding solidification between the steel pipe stand column and the embedded angle steel is relieved, and the steel pipe stand column is limited through the embedded angle steel; and foundation pit earthwork is backfilled and compacted, and the steel pipe stand columns are stably supported on the expanded foundation or the bearing platform under the limiting effect of the embedded angle steel. The method has the advantages that the temporary stand columns are more convenient to install and pull out, and the turnover efficiency is higher; the material is high in durability and corrosion resistance; horizontal displacement of the steel pipe support is prevented; the overall stability of the temporary steel pipe support is improved; construction is more flexible, and the installation adjustability of the temporary support is high.

The invention provides a material storing device for constructional engineering and belongs to the technical field of building construction. A supporting frame comprises at least four supporting bodies; each supporting body comprises a pedestal and an upright post; each upright post is provided with a plurality of sleeves; the upper part of each upright post is provided with an angle regulating device; each set of storing unit comprises a cross brace, a lifting ring and a universal wheel; the two ends of each cross brace horizontally extend toward the outer side to form horizontal rods; the end part of each horizontal rod is bent downwards to form a vertical rod; every two lifting rings are correspondingly arranged on the horizontal rods at the two ends of the corresponding cross brace; the universal wheels are arranged at the bottoms of the cross braces in a spaced manner; the vertical rods at the two ends of each storing unit are correspondingly inserted into the sleeves of the upright posts which are arranged oppositely; a shielding device comprises a controller, an alarming machine and two shielding plates; the top of each shielding plate is provided with a humidity sensor; oneshielding plate is connected with the angle regulating device on the upright post at one side; and the other shielding plate is connected with the angle regulating device on the upright post at the other side. The material storing device is reasonable in structure, realizes classified storage of building materials and lowers the engineering cost investment.

The utility model relates to a laminated slab strip fixing and mold hanging device which comprises laminated slabs, a fixing template arranged on the lower sides of the laminated slabs, a plurality of H-shaped fixing blocks arranged on the tops of the laminated slabs on the two sides and fixing rod pieces. The H-shaped fixing blocks stretch across a laminated slab strip, the top of each H-shaped fixing block is provided with an upper limiting rod in the length direction of the fixing formwork, the top ends of the fixing rod pieces vertically penetrate through the fixing formwork and are fixedly connected to the bottoms of the upper limiting rods, and the bottom ends of the fixing rod pieces are provided with fixing clamps used for abutting against the lower portion of the fixing formwork. The fixing rod piece is further provided with a bolt used for locking the fixing clamp, and the problems that deflection deformation of the upper limiting rod piece is generated due to the too long span, and the plate strip sinks due to the fact that the plate strip is dismantled too early due to the aluminum mold early dismantling system can be solved.

The invention discloses a lighting lamp holder. The lighting lamp holder comprises a base, a telescopic frame, a lamp holder body and a lighting lamp. A chute is fixedly formed in the base, a pulley is arranged in the chute in a sliding mode through a transmission mechanism, and the transmission mechanism drives the pulley to linearly move along the chute. The telescopic frame is erected on the base and fixedly connected to the pulley, and the telescopic frame is driven by the pulley to ascend and descend. The lamp holder body is fixedly arranged at the top of the telescopic frame. The lighting lamp is fixedly arranged on the lamp holder body. According to the lighting lamp holder, the pulley is driven by the transmission mechanism to linearly move along the chute, the telescopic frame is further driven by the pulley to ascend and descend, and then lighting lamp holder can stretch out and contract. The lighting lamp holder is easy and convenient to assemble on a construction site, flexible to apply, easy to operate, convenient to use and high in circulation performance, resources are saved, manufacturing cost is reduced, and the requirements of green construction are met.

The utility model discloses a plug-in height control device for pouring concrete on the column side of a steel reinforced concrete column, which belongs to the technical field of constructional engineering concrete construction and comprises a diversion galvanized steel pipe, a stainless steel plate receiving port, an angle steel support frame, an alarm device box, a connecting steel pipe, a floating rod clamping piece, a floating ball rod, a floating ball valve, a contact sensor and a rotating shaft. The stainless steel plate collecting port, the flow guide galvanized steel pipe and the angle steel supporting frame assembly are utilized, so that scientificity and reasonability of the plug-in device are improved; the floating ball principle is utilized to solve the problem of insufficient concrete pouring height or over-pouring concrete loss caused by blind point concrete pouring of workers, the concrete pouring efficiency is improved, and the effects of reducing material waste and manpower consumption, reducing damage to steel columns and the like are remarkable. Meanwhile, the process is simple, operation is convenient, installation and removal are convenient, the turnover performance is high, and the pouring quality and efficiency of the concrete in the section steel column are greatly facilitated and improved.

The invention relates to an elevator shaft anti-falling net structure and a construction process thereof. The elevator shaft anti-falling net structure comprises an anti-falling net and connectors, wherein the four sides of the anti-falling net are provided with connecting rings; each connector comprises a connecting bolt and a casing pipe which are cooperatively connected; one end of each connecting bolt is provided with a connecting ring hanging groove; the other end of each connecting bolt is provided with an outer thread and connected with a nut. The casing pipes are inserted into originalformwork screw rod reserved holes of an elevator shaft, and the connecting rings are arranged on the connecting ring hanging grooves and are tightly matched and fixed by the casing pipes. By applyinga limiting structure and adopting the original formwork screw rod reserved holes of the elevator shaft as connecting points, the steps of pre-embedding reinforcing steel bars, inserting expansion bolts and the like are omitted, the casing pipes are pushed into the elevator shaft from the outside through the connecting bolts, the connecting rings on the anti-falling net are hung into the connecting ring hanging grooves, and then the connecting ring hanging grooves are sleeved with the casing pipes to ensure the structural stability. During construction, constructors do not need to enter the elevator shaft for construction, so that the effects are achieved that the construction process is simple and convenient, construction is safe, and the strength is reliable.

The invention discloses a laminate structure with an illumination function and a mounting method thereof. The laminate structure comprises an upper side facing material, a composite plate steel framesupporting skeleton, fastening pieces, self-locking pins and independent illumination equipment; the bottom of a composite plate is preassembled with the independent illumination equipment; the fastening pieces are welded to the end surfaces of the two sides of the longitudinal end of the composite plate steel frame supporting skeleton respectively, and the end surfaces of the two sides are provided with the self-locking pins matched with the fastening pieces respectively; the self-locking pins and the fastening pieces commonly form a lock catch used for locking a vertical supporting ladder type parallel truss; and an access port of an independent illumination equipment power supply is preassembled between the two fastening pieces. For the laminate structure provided by the invention, by preassembling the illumination equipment at the bottom, various laminates at the later period adopt a light mould base pipe profile as a frame, is light in whole weight and liable to transport, can betimely repaired when damages are discovered and is good in revolving performance; meanwhile, by combining the supporting skeleton with ancillary facilities to form a one body, production modularization and mounting instrumentation of a house are realized.