44results about How to "Distribute the load evenly" patented technology

This invention relates to an improved structure for an interspinous stabilization device that more evenly distributes loads throughout the adjacent vertebrae than known interspinous stabilization devices, and further readily compensates for graft settling so as to maintain continued axial loading of the graft. More specifically, this invention relates to a medical device that helps in performing a spinal fusion procedure by holding the bone graft in place and stabilizing the facet screw by a plate that is attached to it. The invention also performs a dynamic function that compensates for settling of the bone graft over time. This dynamic function may, if desired, be enhanced by a movement-limiting mechanism that allows extension but not flexion such that the bone graft fusion remains in contact and fusion takes place.

The invention relates to a security barrier apparatus. Some embodiments of the present invention may be used in conjunction with a previously existing security gate or perimeter and other embodiments may be used as stand-alone security barrier gate systems. The various embodiments of the security barrier apparatus comprise a passive security gate apparatus that is capable of withstanding the force of an object, such as a vehicle, of up to 1.1×10⁶ ft-lb/s wherein the driver of the object is attempting to gain entrance through the security gate apparatus.

An improved system for upgrading new and existing gates or barriers to provide improved crash barrier rating. This system comprises a reinforcing attachment to the gate or barrier and improved reinforced bollards with catch hooks to absorb the energy of impact. The reinforcing attachment is an arrangement of cable and structural members that provide for increased reinforcement by ensuring that the load is distributed on the cable to minimize the risk of breakthrough as a result of cable failure. The bollards have been improved by strengthening the catch hook attachments and adding reinforcement positioning elements to facilitate proper assembly.

The invention discloses a fixing bracket for glass transportation, mainly relates to the field of construction equipment transportation. The fixing bracket for glass transportation comprises a main bracket body, a guide rail mechanism, a glass supporting mechanism, a limiting assembly and a buffering piece. The glass supporting mechanism achieves L-shaped extension adjustment by the bidirectionalguide rail mechanism, and achieves fixing and limiting by the limiting assembly; and the buffering piece achieves rigid shock absorption of glass. The fixing bracket has the beneficial effects of being capable of adapting to different conditions on site according to the glass with different sizes and characteristics to fix and transport the glass, significantly lowering transportation losses and improving resource utilization rate.

An expanding independent load suspension system that incorporates a square walking beam, unique bushings, and multiple expanding sliding units to spread the load bearing tires evenly over the surface instead of grouping them close together. With the weight of the vehicle having the ability to pivot over three separate axes, it maintains an equal pressure on all the tires no matter what the surface conditions. Additional benefits are derived by the separation of the tires with the new design of the square walking beam causing less damage to the roadways. The vehicle has been designed to operate on the highways in the conventional ten-foot width, and then expand to a maximum of twenty feet to move large loads with the permits required.

A shock absorber housing for a vehicle, which is provided in a vehicle body, encloses a shock absorber, and is coupled to the shock absorber so that the shock absorber is mounted in the vehicle body, may include a housing cap which covers an upper end of the shock absorber housing, and is coupled to an upper end of the shock absorber, wherein the housing cap includes a curved surface portion extending from the upper end and formed in a curved surface shape that is convex upward.

The invention provides a gantry type circular stockyard material piling and taking machine which comprises a circular track, a travel trolley, a gantry, a follow-up device, a top frame and a rolling friction pair. The travel trolley runs along the circular track; one end of the gantry is rotatably connected to the center of the circular track, the other end of the gantry is movably connected with the travel trolley, and the gantry can be driven by the travel trolley to rotate around the center of the circular track; the follow-up device is arranged between the travel trolley and the gantry and comprises a support, and the lower end of the follow-up device is connected onto the travel trolley; the top frame is arranged above the support and is connected onto the gantry; the rolling friction pair is arranged between the support and the top frame, and the movement direction of the rolling friction pair is consistent with the radial direction of the circular track. The gantry type circular stockyard material piling and taking machine has the advantages that the rolling friction pair can bear high load, and deformation of the gantry can be sufficiently relieved.

The invention discloses a pore-forming oxidative inorganic ecological decorative board and a production method thereof. The pore-forming oxidative inorganic ecological decorative board is prepared from, by weight, 100 parts of inorganic gelling powder, 0-22.0 parts of porous powder, 18.5-73.0 parts of liquid-phase medium, 0.05-5.5 parts of pore-forming compound catalytic oxidant, 1.5-20 parts of reinforced fibers and 1.3-4.5 parts of nanometer titania coating materials by stirring, forming, curing, drying and a veneer treatment technology. The pore-forming oxidative inorganic ecological decorative board has the advantages that a catalyst and the oxidant are supported on micropores inside a hydrated condensation matrix of the inorganic gelling material firmly simultaneously, microporous distribution and centralized distribution are enriched, and secondary intensification is achieved with the aid of a nanometer titania coating, so that the inorganic ecological decorative board is endowed with excellent purification performance to efficiently decompose harmful gas continuously and is capable of regulating indoor temperature and humidity effectively, resisting bacteria and preventing mildewing; the problems of contradiction in choosing physical performance and ecological performance of inorganic decorative boards alternatively, proneness to shedding and attenuation of the supported catalyst or oxidant and capability of causing blockage of surface micropores through conventional surface treatment are solved.

The invention relates to a tunnel supporting and protecting system, in particular to an anchor cable opposite-puling type supporting and protecting structure system and a construction method thereof.The supporting and protecting structure system comprises a vertical guide hole, a main tunnel, a first opposite-pulling anchor cable and a second opposite-pulling anchor cable; the vertical guide holeis arranged in a rock body above the main tunnel and is arranged parallel to the main tunnel; the first opposite-pulling anchor cable is arranged from top to bottom; the upper end of the first opposite-pulling anchor cable is fixed to the ground surface; the lower end of the first opposite-pulling anchor cable is fixed to the vertical guide hole; the second opposite-pulling anchor cable is arranged from the top to the bottom; the upper end of the second opposite-pulling anchor cable is fixed to the vertical guide hole; and the lower end of the second opposite-pulling anchor cable is fixed tothe main tunnel. The construction method is used for constructing the supporting and protecting structure system. The supporting and protecting structure system and the construction method provided bythe invention can effectively control the overall settlement of a tunnel structure, ensure the operating safety, and provide a new idea and a new method for a tunnel penetrating through a giant cavern hall.

The invention discloses a preparation method of polyethylene glycol repaired graphene reinforced aluminum-based composite material, and relates to the preparation method of graphene reinforced aluminum-based composite material. The preparation method aims to solve a problem that grinding aid is residual in an aluminum alloy matrix, and realize self-repairing of the graphene. The preparation methodcomprises the step 1 of weighing the graphene, the polyethylene glycol and aluminum metal powder; the step 2 of putting the material obtained in the step 1 into a ball milling tank for ball milling;the step 3 of cold pressing; and the step 4 of preparing the composite material after the cold pressing. The grinding aid, polyethylene glycol is subjected to thermal decomposition to generate activeC atoms, and the C atoms can adsorb on the pits of the graphene, so that integrity of the graphene structure is greatly improved, good interface connection is formed, and overall performance of the material is greatly improved; the polyethylene glycol is beneficial to flake formation of the aluminum metal powder, so that a problem of high dispersion difficulty of the single-layer or few-layer graphene in the aluminum-based composite material is solved, and cold welding between the aluminum metal powders is reduced; polyethylene glycol is easy to remove, and the prepared few-layer graphene reinforced aluminum-based composite material is excellent in comprehensive performance. The method is suitable for preparing the graphene reinforced aluminum-based composite material.

The invention relates to a composite catalyst based on a denitration and demercuration reinforcing function of prepositive SCO smoke of a coal-fired power plant and a preparation method thereof. Main active ingredients of the composite catalyst are Co3O4 and CuCl2, and a carrier ingredient is Ce-doped TiO2. The preparation method includes: adopting a sol-gel method to prepare a Ce-doped TiO2 carrier, adopting an impregnation method to sequentially load Co3O4 and CuCl2. A selective catalytic oxidation unit using the catalyst as a main body is arranged at the front end of an SCR unit, oxidation of Hg0 does not be influenced by the ammonification process of the SCR unit, and high mercury oxidation removing efficiency can be realized in a chlorine-free condition. In addition, the catalyst can convert part of NO into NO2 while efficiently oxidizing Hg0, so that reaction efficiency of subsequent SCR process is improved remarkably. The catalyst is easy-to-get in raw material, simple in preparation method, easy-to-implement in technical process and conducive to industrial application.

The invention discloses a rubber vibration reduction device for noise reduction of an elevator machine room. The rubber vibration reduction device comprises an upper supporting plate, a rubber vibration reduction pad and a lower supporting plate, all of which are sequentially arranged from top to bottom. Double-head screws are arranged on the two sides of the top of the upper supporting plate, the two double-head screws sequentially penetrate through the upper supporting plate, the rubber vibration reduction pad and the lower supporting plate from top to bottom, the bottoms of the two double-head screws are in screw joint with the lower supporting plate and are tightly welded to the lower supporting plate, and the upper portions of the two double-head screws are sequentially connected with rubber sound insulation pads and gaskets from bottom to top in a sleeved manner. In the rubber vibration reduction device, the vibration reduction device is connected with embedded iron, I-shaped steel or channel steel of the elevator machine room in a welded manner, vibration can be directly isolated through the vibration reduction pad, loads can be averagely distributed according to different stress loads, a main engine has the advantages of being stable in running, good in vibration reduction performance, resistant to aging, long in service life and the like, a split nut and split pin manner is adopted for connection, and nut falling caused by vibration and buckle moving can be avoided.

The invention relates to a production process for improving the weather resistance of a PE solid-wall pipe. The production process comprises the following steps: early-stage preparation, material preparation and material feeding, extrusion molding, sizing sleeve cooling, spray cooling molding, tractor traction, finished product cutting and qualified inspection, wherein material preparation and material feeding include the specific steps: preparing a specific pipe material of the PE solid-wall pipe and a protective layer material, sucking the materials into a material hopper through a material suction device, discharging materials separately from the material hopper into charging barrels of two extruders which are connected with double-layer co-extrusion heads through head connectors, and performing co-extrusion through the double-layer co-extrusion heads. The production process for improving the weather resistance of the PE solid-wall pipe, the process is simple, the production efficiency is high, the wall thickness of the produced PE solid-wall pipe is uniform, and the die spotting effect of the PE solid-wall pipe with the protective layer is better; and no parting lines are needed, good weather resistance is achieved, and a long service life and broad application prospects are achieved.

The invention relates to an antistatic and high-performance PA66 (polyamide66) composite material and a preparation method thereof. The composite material is composed of the following components in parts by weight: 50-70 parts of PA66; 20-30 parts of a modified nano silicon dioxide graft; 6-10 parts of an antistatic agent; 0.1-0.5 part of an antioxidant; and 0.1-0.3 part of a lubricant. According to the technical scheme, the silane coupling agent and the hydroxyl radicals on the surface of the nano silicon dioxide are subjected to condensation, so that agglomeration of the nano silicon dioxide is prevented, the nano silicon dioxide can be uniformly dispersed in the PA66 matrix, and the mechanical properties of the PA66 composite material are improved. The modified nano silicon dioxide graft is a core-shell type graft which is formed by taking a KH550-g-SiO2 as a core and PS (polystyrene) as a shell body, the graft has better dispersity than that of simple nano silicon dioxide, and the graft has an effect of distributing loads uniformly when the composite material is subjected to external force, so that the mechanical properties of the PA66 composite material are improved.

The invention belongs to the technical field of chemical engineering novel material, and more specifically relates to a preparation method of liquid silicone rubber. The preparation method comprises following steps: 1, synthesis of a base rubber; 2, reinforcing of the base rubber; 3, crosslinking solidification of liquid silicone rubber; and 4, curing moulding. According to the preparation method,addition solidification is adopted to prepare the liquid silicone rubber. In the processing process, no trimming is needed, precision is high, production period is short, excellent heat tearing performance is achieved, it is convenient for demoulsing, a plurality of processing modes including mould pressing, extrusion, and injection pressing can be adopted, and material automatic production can be realized.

The invention discloses a high-bearing composite material parting tooth connecting device based on a soft substance. The device is characterized in that a composite material plate is plate-shaped, and composite material parting teeth are arranged on the upper side surface, or the lower side surface, or the upper surface and the lower side surface of the two ends of the composite material plate; the upper side face and the lower side face of the two ends of the composite material plate are connected with metal plates correspondingly, metal teeth in corresponding forms are arranged on the connecting faces of the metal plates, and after the metal teeth and the composite material parting teeth are attached, a certain gap is reserved between the metal teeth and the composite material parting teeth and filled with soft materials; and a certain pre-tightening force is applied between the composite material plate and the metal plates. Therefore, according to the high-bearing composite material parting tooth connecting device based on the soft substance, metal connecting pieces and a composite material are connected, and a joint has high bearing capacity and good fatigue resistance through application of the soft substance, the parting teeth and pre-tightening force; and the load borne by the teeth in a first path is effectively distributed to the teeth in later paths through application of the soft substance, so that loads on the composite material teeth are evenly distributed, and the problem that the stress of the teeth in the first path is maximum in connection of the composite material teeth is solved.