45results about How to "Avoid tinkering" patented technology

The invention relates to a socket and spigot type pipeline connector with an anchoring structure. The socket and spigot type pipeline connector with the anchoring structure is used for continuous nodular cast iron pipes. By means of the socket and spigot type pipeline connector, anchoring reliability can be improved, structural service life can be prolonged, pipeline maintaining cost can be reduced, optimization and simulation of the connector structure can be performed easily, and pipeline transporting capacity is improved. The socket and spigot type pipeline connector comprises a socket, a spigot and a sealing piece which is arranged between the socket and the spigot and used for sealing and locking the pipeline connector. The socket comprises an annular groove which is formed by sequentially connecting a first annular vertical wall, a conical wall, a cylindrical inner wall and a second annular vertical wall in a defined manner. The sealing piece comprises an elastic material ring and a plurality of anchoring pieces embedded in the elastic material ring. Each anchoring piece comprises a head and a plurality of meshing teeth. Each anchoring piece is provided with a rotating circle center. The portion, connected with the annular groove in an abutting manner, of each head is an arc supporting face. The abutting joint area of each arc supporting face and the annular groove is located on the joint of the first annular vertical wall and the conical wall.

The invention discloses a ship manufacturing method for pre-mounting a steering engine base in a segmentation step. The ship manufacturing method comprises the following steps of: carrying out segmentation on a deck of a steering engine room; drawing a gantry arrangement and reinforcement picture of an upper gantry of the deck of the steering engine room at a positive segmentation state; incorporating the gantry arrangement and reinforcement picture with a segmental fitting-out tray management list so as to ensure that the pre-mounting of the steering engine base is completed in a segmental manufacturing step, and the requirement on installation precision can be met; and conveying the deck of the steering engine room in a segmental manner to a next process in a positive state of the upper gantry. The steering engine base is welded before being coated in a segmental manner, so that the segmental fitting-out integrality can be improved. Therefore, the damage area of a coating layer of a ship stern ballast cabin is reduced, the risk of sand wash on the entire ship stern ballast cabin can be effectively reduced, a coating construction period is shortened, and a PSPC (Performance Standard for Protective Coatings) can be met.

The invention provides a bulbous bow refit technology. The bulbous bow refit technology comprises the three main processes of manufacturing of a new bulbous bow, removing of an old bulbous bow, and hoisting of the new bulbous bow. During hoisting of the new bulbous bow, an original ship center line, a rib position line and a horizontal detecting line are drawn on an original ship outer plate, projection lines of the original ship center line and the rib position line are drawn on the dock floor, and by combining a floating crane, a large segmented positioning tool and a segmented positioning trolley and taking the center line, the rib position line, the horizontal detecting line and the projection lines of the center line and the rib position line as the standard, precise positioning of the new bulbous bow in transverse, longitudinal and height directions is achieved. The bulbous bow refit technology can fully utilize existing equipment to shorten the docking period, and operation is accurate and quick.

The invention discloses a quick-setting type waterproof mortar having self-repairing function and secondary permeability resistance as well as a preparation method thereof. The quick-setting type waterproof mortar having self-repairing function and secondary permeability resistance is prepared by using the following raw materials and water: a mixed cement, quartz sand, silica fume, heavy calcium, a capillary crystalline active master, a water reducer, an antifoaming agent, a coagulation accelerator and cellulose ether; and the mixed cement is composed of an ordinary portland cement and a quick-setting type sulphoaluminate cement. The quick-setting type waterproof mortar is used for repairing construction, if secondary leakage is happened, the capillary crystalline active master, the a repairing mortar and cement hydration product portlandite in concrete are continuously reacted for realizing self restoration, so that secondary anti-permeability effect can be reached, and secondary or multi-time restoration for regenerated cracks can be avoided.

The invention discloses a mounting method of a propulsion device, comprising the following steps: S10, providing an elevator, a propulsion device, a three-dimensional jacking machine and a hull section of the propulsion device to be installed, fixing the hull section on a construction plane, so that the hull section is located above the construction plane; S20, hoisting the propulsion device on the lifting vehicle, and lifting the propulsion device to the first height position by the lifting vehicle; S30, displacing the propulsion device from the first height position to the mounting positionof the propulsion device by the three-dimensional jacking machine; and S40, connecting the propulsion device with the steering device arranged at the mounting position. It can be used for mounting heavy propulsion units.

The invention discloses a mounting method for templates of a box-type steel skeleton inclined column, which comprises the following steps that 1) a steel reinforcement cage of a steel skeleton is bound by steel reinforcements; 2) a column foot template and a column body template of the inclined column are subjected to lofting; a variable cross-section wire is put at the steel skeleton; 3) a template support is welded at a variable cross section; 4) templates are assembled and reinforced; double-groove steel is adopted as template reinforcing main ribs; and 5) a supporting frame is erected by the templates. The mounting method for the templates of the box-type steel skeleton inclined column has the benefits that 1) as the double-groove steel is adopted as the template reinforcing main ribs, welding of an anchor bolt on an inclined column body, subsequent cutoff and surface repair of concrete are avoided effectively; and 2) the steel reinforcement support is welded at the variable cross section of the column for bearing the pressure of the column body template, the probability of instability of the column foot template due to the pressure is reduced, and the probability of repeated position adjusting processes of the column foot template and the column body template is avoided.

The invention discloses a plugging device for a pipeline reserved hole of a cast-in-situ slab and a machining and plugging construction method. The plugging device comprises a plugging template and a template support device. The template support device is arranged on a pipeline and comprises a hoop and two support beams. Each support beam is provided with multiple top-propping parts. Each hoop comprises two semi-hoop bodies connected by means of connecting parts. Each semi-hoop body comprises an arc plate and two side reinforcing parts. The machining method for the plugging device comprises following steps of machining arc plates, machining side reinforcing parts, machining semi-hoop bodies, machining connecting parts, installing connecting parts and machining and installing support beams. The plugging construction method comprises following steps of processing a concrete interface, installing the template support device, splicing the plugging template, adjusting a support platform, synchronously moving the template support device and the plugging template upwards, pouring concrete, maintaining concrete and removing a mold. The plugging device is reasonably designed, easily and conveniently used and operated and conveniently constructed and has a good construction effect and is capable of effectively plugging the reserved hole.

The invention relates to the technical field of road construction, and particularly relates to a double-layer support inspection well. The double-layer support inspection well has the beneficial effects that an anti-theft special-shaped bolt arranged on the double-layer support inspection well provided by the embodiment of the invention plays a role in preventing a well cover from being stolen, the compact connection of the well cover and a lifting support is ensured by adopting clamping nails and clamping grooves so as to prevent the well cover from making noise when the well cover is rolled after the well cover becomes loose; a sub well cover arranged in the inspection well can prevent the well cover from falling after the well cover is broken or other foreign matters from falling into the well when the well cover is absent; and a support body is fixed on a wellhole by adopting fixed parts, so that the support body can be prevented from moving. The double-layer support inspection well is guaranteed in terms of theft prevention, noise prevention, falling prevention, displacement prevention and the like. When being installed, the inspection well is installed layer by layer to avoid excavation and repairing of asphalt concrete at lower layers. The installation technology of the inspection well is simple. A road surface around the inspection well has good wholeness, and the quality of the road surface is ensured.

The invention relates to the technical field of town road construction and provides a road rainwater grating well loop and a method for constructing a pavement structure layer comprising the well loop. The road rainwater grating well loop is simple in structure and convenient to install. The anchoring depth of a grating well is increased through the well loop, under-layer bituminous concrete does not need to be excavated or repaired during installation, paving of under-layer bituminous concrete around the rainwater grating well can be achieved at a time, in this way, the rainwater grating well is anchored firmly, the integrity of the road surface around the rainwater grating well is high, quality is guaranteed, and damages are unlikely to occur. Furthermore, due to the fact that excavation and repair of under-layer bituminous concrete are avoided, materials and cost are saved. Finally, due to the fact that surface-layer bituminous concrete can be paved immediately after under-layer bituminous concrete is paved, construction time can be reduced by at least three to five days, and the road rainwater grating well loop is especially suitable for quick paving of town roads.

The invention relates to a process for painting a motor vehicle body, comprising at least the steps according to which at least one base that imparts the colour is applied to a vehicle body, then a varnish comprising matting agents that impart a matt finish and texturing agents that impart a textured finish that masks surface defects of said body is applied.

The invention discloses a vehicle driving control method, a vehicle and a storage medium, and the method comprises the steps: obtaining the state information of the vehicle, and determining the tire state of the vehicle according to the state information; when the tire state is air leakage, acquiring tire information and speed information corresponding to the air leakage tire; determining first control information according to the tire information; determining second control information according to the speed information; and the vehicle is controlled according to the first control information and the second control information, so that the problems of high cost and inconvenience in operation caused by replacement of a spare tire or repair of the tire when the tire leaks air in the vehicle driving process are solved, and the two aspects of the tire and the speed are considered when the vehicle is controlled; therefore, the vehicle can still run safely when the tire leaks, the tire is prevented from being replaced or repaired on the road, the cost of the vehicle is not increased, a driver does not need to master a method for replacing or repairing the tire, and the use of a user is facilitated; special tires are not needed, and cost is reduced.

A carboxymethyl glycan mixed resin grout for fixing and enhancing concrete consists of cement 10-50wt%, alumina cement 1-15wt%, silica sand 40-60wt%, lime rock 5-20wt%, carboxymethyl glycan 0.05-5wt% and powdery re-dispersing synthetic resin 1-10wt%. Its advantages include good combination and waterproof performance.