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12results about How to "Stable and effective support" patented technology
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Construction method of FRP (Fiber Reinforce Plastic) constrained fly ash geopolymer roadside filling body
ActiveCN119466972AImprove carrying capacityImprove axial deformation abilityCement productionMaterial fill-upFiberResource recovery
The invention discloses a construction method of an FRP (Fiber Reinforce Plastic) constrained fly ash geopolymer roadside filling body, which relates to the technical field of coal mining, and comprises the following steps: firstly, preparing a prefabricated FRP pipe, a filling mold bag, a filling material containing fly ash and the like, and a related filling system; after the working face is pushed, preparation work such as top plate supporting is carried out, and then the prefabricated FRP pipe and the filling mold bag are installed to form a to-be-filled pipe column. The fly ash and other materials are stirred by a stirring station to prepare the fly ash-based geopolymer filling material, the filling material is injected into a pipe column filling mold bag, and after filling, an ultra-high molecular weight polyethylene belt is used for winding. And constructing an air leakage prevention wall comprising a metal net, air duct cloth and a reinforcing mesh, and laying a concrete layer to seal the goaf. According to the method, waste such as fly ash is fully utilized, the construction cost is reduced, the thermal damage problem of the high-temperature mine filling body is solved, the bearing capacity of the filling body is improved by means of FRP constraint, the gob-side entry retaining roof supporting effect is guaranteed, the coal resource recovery rate is increased, and coal-pillar-free continuous mining is promoted.
Owner:XINJIANG UNIVERSITY
Aluminum curtain wall installation fixing pendant
ActiveCN110748051BStable and effective supportIncrease the support surfaceWallsGusset plateSteel frame
The invention discloses a fixing hanger for installing an aluminum plate curtain wall, comprising an angle steel frame, a groove-shaped hanger and a gusset plate, wherein the groove-shaped hanger is arranged on one side of the angle steel frame, the gusset plate is welded on one side of the groove-shaped hanger, a rubber column is arranged on the upper side of the gusset plate, and an open groove is formed on one side of the groove-shaped hanger near the gusset plate. The beneficial effect is that the invention increases the supporting surface of the fixing hanger to the diagonal bracket by the gusset plate and the rubber column, enhances the supporting effect, enables the diagonal bracket to be effectively and stably supported, and ensures the installation quality of the curtain wall, and connects the fixing hanger and the diagonal bracket by the way of slot overlap and spherical groove clamping by the way of slot overlap and spherical groove clamping, avoids the generation of a large gap between the hanger and the diagonal bracket under the action of thermal expansion and contraction, and avoids the shaking of the diagonal bracket causing damage to the curtain wall panel.
Owner:江苏广源幕墙装饰工程有限公司
Feeding frame for PCB production
ActiveCN222638801UPrevent deviationeasy to operatePrinted circuit manufactureBilateral symmetryPrinted circuit board
The utility model relates to the technical field of PCB (printed circuit board) processing, in particular to a feeding frame for PCB production, which comprises a main frame, a support plate, a mounting plate and a bracket, the support plate is arranged on the inner side of the main frame, the mounting plate is arranged on the inner side of the support plate, the bracket is fixed on the inner side of the mounting plate, the PCB is supported by the bracket, and the PCB is arranged on the mounting plate. The supporting plates are arranged in a bilateral symmetry mode about the center line of the main frame, a left-right sliding structure is formed between the supporting plates and the main frame, the supporting plates move to drive the brackets to move, and the brackets are evenly distributed on the inner side of the mounting plate. According to the feeding frame for PCB production, the distance between the brackets can be adjusted through synchronous movement of the two sets of supporting plates, after the supporting plates move synchronously, the centers of the PCBs are still kept consistent with the main frame after the PCBs are supported, and therefore the PCBs are prevented from deviating to one side, and the two sets of supporting plates move synchronously, and adjustment deviation is avoided.
Owner:HUIZHOU QIXINWANG TECH CO LTD
Limiting and supporting structure for transporting steel coils in container
InactiveCN222330465Uincrease profitImprove economyContainers for annular articlesLarge containersClassical mechanicsSupport plane
Owner:SHENGSHI CONTAINER MANAGEMENT SHANGHAI +1
Novel seat
ActiveCN222640157USimple structuregood lookingStoolsKids chairsClassical mechanicsStructural engineering
Owner:YUETU INTELLIGENT TECHNOLOGY (ANJI) CO LTD
Auxiliary paving tool for roof tiles of pitched roof structure and using method of auxiliary paving tool
PendingCN119288152AStable and effective supportprecise supportRoof covering using tiles/slatesRoof toolsPurlinRoof tile
The invention provides a pitched roof structure roof tile auxiliary paving tool and a using method thereof.The pitched roof structure roof tile auxiliary paving tool comprises fixing assemblies, telescopic connecting purlins and telescopic limiting baffles, and the multiple sets of fixing assemblies are fixedly distributed on the front edge of a cornice structure floor at equal intervals in the length direction of the cornice structure floor; a plurality of telescopic connecting purlines are arranged between every two adjacent fixing assemblies at equal intervals in the front-back direction, the upper sides of the front portions of every two adjacent fixing assemblies are each provided with a telescopic limiting baffle, and the fixing assemblies can achieve lifting adjustment and positioning of the telescopic connecting purlines and the telescopic limiting baffles. The telescopic connecting purlines and the telescopic limiting baffles can stretch out and draw back left and right. According to the auxiliary device, the problem of potential safety hazards caused by the fact that roof tiles of a traditional slope roof are prone to falling off during paving is solved, material waste is avoided, the construction cost is reduced, meanwhile, a stable and reliable supporting structure is provided, roof tile position deviation caused by construction vibration is avoided, and therefore the construction quality is improved.
Owner:TIANYUAN CONSTR GROUP +2
Fabricated beam column mechanism
ActiveCN222314245UImprove practicalityeffectively fixedBuilding constructionsPhotovoltaic energy generation
The utility model relates to an assembly type beam column mechanism, which belongs to the technical field of assembly type steel structures and comprises a stand column, a connecting frame is fixed on the right side of the stand column through bolts, a transverse column is slidably connected to the top of the connecting frame, and a buffer plate is fixed on the left side of the transverse column. A fixing assembly used for fixing the stand column and the transverse column is installed in the stand column, a reinforcing assembly enabling the transverse column to be installed more stably is installed in the connecting frame, the fixing assembly comprises a fixing block fixed to the left side of the transverse column, and the interior of the fixing block is slidably connected with a limiting block. An adjusting block is fixed to the bottom of the limiting block, and a rack is fixed to the left side of the adjusting block. According to the assembly type beam column mechanism, the beam column can be effectively assembled and fixed, so that the cross beam can be stably and effectively supported, the supporting effect is relatively stable, when the cross beam is stressed, the cross beam can be effectively prevented from being separated from the column body, potential safety hazards are avoided, and the practicability of the assembly type beam column mechanism is improved.
Owner:SICHUAN HONGYEDA PREFABRICATED CONSTRUCTION ENGINEERING CO LTD
A sports starting block with easy adjustment
This utility model relates to the field of sports equipment technology, specifically to an easily adjustable starting sprinter, including a starting frame and an adjustment device. A base plate is fixedly connected to one side of the starting frame, and toe plates are slidably connected to both sides of the starting frame. The adjustment device is disposed on the surface of the starting frame and includes a strip sleeve fixedly connected to the surface of the starting frame. A slider is fixedly connected to one side of the toe plates, and a groove is provided on the side of the starting frame near the slider. The slider is slidably connected to the starting frame, and a fixing rod is fixedly connected to the upper surface of the slider. In this utility model, when the user exerts force with their legs to start running, the slider bears the main pressure, effectively reducing the stress on the telescopic rod. This greatly reduces the risk of damage to the cylinder and telescopic rod due to excessive starting impact, extends the service life of the electric equipment, reduces the frequency of equipment maintenance and replacement, and ensures the stability and reliability of the starting sprinter's adjustment function.
Owner:石冰雁
Support structure for a roll bender and roll bender
ActiveCN224687663USolve the problem of tilting and falling backGuaranteed bending precision
The utility model provides a kind of support structure for roll bending machine, the lower main shaft of roll bending machine and the head of roll bending machine are connected respectively;The support structure includes support body and support plate;Lower main shaft is rotatably connected with one end of support plate, and the other end of support plate is connected with support body;The end portion of support body away from support plate is adjustably connected with head;Support body is parallel with lower main shaft as support piece, and support plate is the connecting piece of lower main shaft and support body.The support structure of the utility model can effectively and stably support the lower main shaft of roll bending machine, solve the problem that the lower main shaft is inclined and then falls due to insufficient pulling force of existing pull rod structure, so as to ensure the bending processing precision of profile.The utility model also provides a kind of roll bending machine, which can stably roll the profile with large cross section or high strength, and the roll bending machine can also be suitable for bending processing of the profile into a circular shape.
Owner:GUANGZHOU G CLEF MECHANICAL TECH CO LTD +1
Photocatalytic adsorption bifunctional material based on mordenite as well as preparation method and application of photocatalytic adsorption bifunctional material
PendingCN119524823AImprove adsorption capacityachieve recyclingMolecular sieve catalystsOther chemical processesThio-Pyrrolidinones
The invention discloses a photocatalytic adsorption bifunctional material based on mordenite and a preparation method and application thereof.The preparation method comprises the steps that zinc chloride and cadmium chloride solutions and MOR are mixed, the MOR has electrostatic affinity and adsorption performance, Zn < 2 + > and Cd < 2 + > in waste water are removed, meanwhile, the ions are gathered around the MOR, after drying, the MOR adsorbing Zn < 2 + > and Cd < 2 + > is obtained, and the MOR adsorbing Zn < 2 + > and Cd < 2 + > is used as a photocatalytic adsorption material. Then polyvinylpyrrolidone, deionized water and thioacetamide are added to form a reaction solution containing a sulfur source, the reaction temperature and time are adjusted, thioacetamide is fully hydrolyzed under the condition, and CdS and ZnS deposits are formed on the surface of MOR after hydrothermal crystallization; and finally, adding g-C3N4 into an ethanol solution, carrying out ultrasonic treatment, mixing with ZnCdM, and carrying out self-assembly adsorption on the mixture on the surface through electrostatic attraction to prepare the g-C3N4 / CdS / ZnS (at) MOR composite photocatalytic material with high stability, high photocatalytic activity and excellent adsorption performance.
Owner:XIJING UNIV
Anti-displacement, fixed cervical spine support pillow
ActiveCN224268861Ulimit excessive activityprevent excessive forward leaningPillowsPhysical medicine and rehabilitationPhysical therapy
This utility model relates to a cervical spine support pillow for preventing displacement while lying supine. It includes a first pillow body that engages with the head; a second pillow body detachably positioned at the center of the upper side of the first pillow body to engage with the neck; and detachable limiting pillow bodies on the left and right sides of the second pillow body. A third pillow body detachably positioned on the front side of the first pillow body to engage with the shoulders. First fixing straps extend outward from the outer sides of the limiting pillow bodies, with hook-and-loop fasteners at their ends. A pair of second fixing straps are provided on the top and front surfaces of the left and right sides of the third pillow body, with hook-and-loop fasteners at their ends. It is simple to operate, convenient to use, and suitable for various patients.
Owner:LUFENG PEOPLES HOSPITAL
A kind of defect detection device of formed foil
ActiveCN118618967Bavoid bendingavoid deformationOptically investigating flaws/contaminationElectrostatic chargesMechanical engineeringPhysics
Owner:ANHUI PUGANG ELECTRONIC MATERIALS CO LTD