81results about How to "Reasonable support" patented technology

The invention relates to a vertical storage tank, which comprises an inner liner, an outer liner and legs protruded on the surface of the outer liner, wherein the bottom of the inner liner is provided with an inner gland; the bottom of the outer liner is provided with an outer gland; a support device which is in the same line with the legs is supported between the inner gland and the outer gland; and the support device comprises a first support piece which supports the inner gland, a second support piece which supports the outer gland and a heat insulating piece which is arranged between the two support pieces. The support device of the vertical storage tank has reasonable and effective supporting function, thereby increasing the volume of the vertical storage tank, and making the volume of vertical vacuum oxygen, nitrogen, argon storage tanks increase to more than 200 cubic meters.

A correcting appliance for the scoliosis is composed of a hollow cylindrical supporting pipe, two expanding rods movable in said supporting pipe, and the fixing structure and regulating structure of said expanding rods, which are arranged on external surface of said supporting pipe.

The application discloses a building network condition statistical method and device. The method includes performing rasterization on a building to divide the building into a plurality of grids; making statistics of MR data positioned to the grids to obtain positioning results of the grids, MR data including a corresponding cell ID and level; and making statistics of the positioning results of allthe grids of the building to obtain a statistical result of the network condition of the building. The building network condition statistical method provided by the application makes high-precision rasterization statistics of all the MR positioning results, thereby making high-precision network performance statistical analyses of different areas and different buildings, and can make a preliminaryassessment of the coverage condition of a building without a large number of manual field tests, thereby providing a very powerful support for site planning of the building.

A radiation expanding type make-up drum for forming the blank of half steel wire type meridian tyre is composed of the push rod connected to drive cylinder, mainshaft with front and back guide seats, slide block, drum block installed on said slide block, and magnetic blocks installed in said drum block.

The invention discloses a water-drive pool seepage field visual representation and evaluation method based on flow field diagnosis, and belongs to the field of oilfield flooding development adjustments. A target reservoir geological model is established, and flow exchange capacity among grids of the target reservoir geological model is calculated; according to the flow exchange capacity among the grids, seepage field propagation time distribution is calculated, numerical value tracer materials are calculated, and according to numerical value tracer material distribution, different injection well affected areas and production well control areas are divided; according to the propagation time size, grid joints in different areas are sorted, and a flow capacity-accumulation capacity diagnosis graph is made to evaluate flow heterogeneity in different areas; and according to three evaluation indicators of the flow heterogeneity, average oil saturation and pore volumes in different areas, development potential in different areas is evaluated. According to the water-drive pool seepage field visual representation and evaluation method based on the flow field diagnosis, the problems of low accuracy and poor convergence under complex geological conditions in an existing seepage field evaluation method are solved.

The invention discloses a hydrological situation evaluation method considering hydrological index distribution rules. The method comprises steps that an IHA is selected as an index system for evaluating river hydrological situation change; the maximum entropy principle and the minimum information entropy are utilized to select a probability density function consistent with hydrological rules; an index change degree is represented through difference of shannon entropy of each IHA component index in two periods; multi-attribute decision-making weighing is utilized to calculate weight of diversity change consistent with hydrological indexes; after each index weight is acquired through calculation, a change degree of each index multiplies corresponding index weight, summation is carried out to acquire an integral change degree of all the indexes, namely, a hydrological situation change degree considering hydrological distribution is acquired. The hydrological change degree is evaluated with pertinence, and more reasonable support is provided for local water resource management departments.

The invention discloses a bevel gear universal reducer which comprises a driving shaft bevel gear, a middle shaft first bevel gear, a middle shaft second bevel gear, a driven shaft bevel gear, a driving shaft fork, a driven shaft fork, a driving shaft, a middle shaft, a driven shaft and a plurality of rotating hinges. The driving shaft and the driven shaft are perpendicular to the middle shaft in a coplanar mode, and the driving shaft is crossed with the driven shaft in a coplanar mode. The driving shaft is hinged with the driving shaft fork through a rotating hinge, and the driven shaft is hinged with the driven shaft fork through a rotating hinge. The middle shaft is respectively hinged with the driving shaft fork and the driven shaft fork on the same axis through four rotating hinges. The two pairs of bevel gears are respectively used for transmitting motive power. The bevel gear universal reducer breaks the limitation that an existing reducer only can achieve transmission conversion between two crossed shafts with fixed relative positions, the reducer has adaptivity to change of a crossed axis angle, a universal transmission mechanism does not need to be additionally arranged, reduction or reverse speed-up transmission can be conducted on two random crossed shafts, changing within a certain range, of the crossed axis angle, structure is simple, and operation is reliable.

The invention discloses an insect-damage-resistant major element water-soluble fertilizer. The insect-damage-resistant major element water-soluble fertilizer is prepared from the following raw materials in parts by weight: 15 to 20 parts of urea, 30 to 45 parts of dipotassium phosphate, 25 to 30 parts of potassium sulphate, 5 to 8 parts of magnesium nitrate, 4 to 8 parts of fly ash silicon-calcium fertilizer 0.09 to 0.5 part of compound sodium nitrophenolate, 2 to 4 parts of amidosulfonic acid, 1 to 3 parts of humate, 2 to 4 parts of sodium tartrate, and 2 to 10 parts of polybasic chelate micro element fertilizer; the polybasic chelate micro element fertilizer is a micro element fertilizer processed by a polybasic composite chelating agent; the polybasic composite chelating agent is a composition of polypeptide and organic phosphate. The insect-damage-resistant major element water-soluble fertilizer is reasonable in compatibility, and is added with elements of magnesium, calcium and the like and various micro elements while providing three major elements of nitrogen, phosphorus and potassium for crops, so that nutrition supply is more comprehensive and balanced, influence of insect damage is reduced, meanwhile, a fertilizer effect is reinforced and yield is improved.

The invention relates to an elastic bed board bar for a bedstead. The elastic bed board bar comprises a triangular prism-shaped plastic batten body used for constituting an elastic bed board, and a glass fiber core part arranged in the plastic batten body to serve as main bearing force, wherein the cross section of the glass fiber core part is in the shape of H, and inner cavities are formed in the plastic batten body and located on the two sides of the glass fiber core part. The elastic bed board bar is composed of the plastic batten body made of a thermoplastic material and the glass fiber core part and is soft and elastic, and as a component of a mattress, the elastic bed board bar is simple in structure, soft and elastic, convenient to install and capable of being directly arranged on a bed frame to form the elastic bed board; furthermore, the strength of the main core part and the hardness of the elastic bed board bar can be selected according to the body type of a user, the cost of the mattress is reduced, and the human skeleton is supported reasonably and effectively according to natural curvature; the elastic bed board bar has the advantages of being high in elasticity and endurance, capable of preventing deformation and breakage, and capable of increasing the inside and outside air convection of an elastic mattress structure and prolonging the service life of the elastic mattress structure.

The invention relates to a folding bed, which comprises mattress fabrics and a bracket. The bracket is provided with two side vertical surfaces, and related vertical surfaces, which are connected with the two side vertical surfaces, wherein each of the two side vertical surfaces is provided with three groups of oblique rod units, including two end oblique rod units and a middle oblique rod unit; the two end oblique rod units are hinged together with an oblique rod unit in the related vertical surface through an upper angle plate and a lower angle plate; a vertical rod is movably positioned on a crossed hinging point of two oblique rods in the two end oblique rod units; a connecting plate is hinged on the upper end part of the vertical rod; horizontal rods are respectively hinged in two horizontal directions of the connecting plate; the other end of each horizontal rod penetrates through the upper angle plate of the vertical surface on the same side and is hinged with the upper angle plate; one horizontal rod in the two end oblique rod units extends to the end part of the middle oblique rod unit and is hinged with the end part through a hinge plate; the end parts of the oblique rods in the middle oblique rod unit are hinged on the oblique rods in the two end oblique rod units; and both sides of the mattress fabrics are positioned on the horizontal rods of the two side vertical surfaces. The folding bed has the advantages of reasonable proportion of length to width of a bed body, stable support on both ends and neat height after folding.

The invention discloses a direct-current motor armature commutator dynamic pressure overspeed testing machine, and relates to devices for dynamic pressure overspeed tests after armature commutators of various direct-current motors of railway locomotives are assembled. The direct-current motor armature commutator dynamic pressure overspeed testing machine is mainly used for solving the problems that an existing vertical type overspeed machine is unstable in rotation, high in shock, high in equipment failure rate and low in efficiency when commutator high-speed overspeed experiments are carried out. According to the direct-current motor armature commutator dynamic pressure overspeed testing machine, a power output shaft is fixed on a double-support base through a bearing, the two ends of the power output shaft are connected with spigots of dummy shafts through flanges respectively, the other ends of the dummy shafts are fixed on double dummy shaft supporting points through bearings, constant-temperature overspeed boxes are symmetrically arranged on the two sides, in the axial direction, of the power output shaft, and the dummy shafts are arranged in the constant-temperature overspeed boxes respectively. The direct-current motor armature commutator dynamic pressure overspeed testing machine is convenient to operate, stable in shafting supporting and low in equipment failure rate, and can carry out overspeed tests on two commutators at the same time or one commutator.

The invention belongs to the field of trapezoidal screw rod driving, and relates to manufacturing of a rolling friction trapezoidal screw rod. The rolling friction trapezoidal screw rod is newly characterized by being formed by two large parts: a trapezoidal screw rod and a rolling friction nut, wherein the rolling friction nut is formed by a nut shell, a trapezoidal screw rolling element and a bearing; the nut shell is connected and fixed with multiple trapezoidal screw pillar rolling elements with screw pitch leads being the same as a screw pitch lead of the trapezoidal screw rod through a bearing; the trapezoidal screw pillar rolling elements are circumferentially distributed in a planet surrounding way in the axial direction of the trapezoidal screw rod and are mutually embedded and enclasped; when the trapezoidal screw rod rotates and the rolling friction nut is fixed, the trapezoidal screw pillar rolling elements self-rotate synchronously along with the trapezoidal screw rod; andmeanwhile, through a screw drive principle, the rotary power of the trapezoidal screw rod is transmitted to the load-carrying nut shell through the bearing, and the rolling friction trapezoidal screwrod is a mechanical product for converting the rotation motion of the trapezoidal screw rod into the straight reciprocating motion of the nut. The rolling friction trapezoidal screw rod provided by the invention becomes a second high-quality type followed in a sliding friction trapezoid screw rod, namely, a common trapezoid screw rod, has a self-locking function, and is reasonable in design and wide in application.

The invention discloses a shape finding method of a large-opening cable-supported lattice structure. The shape finding method has the advantages that the reasonable support on an upper rigid system by a lower tensioning cable rod system can be realized, the vertical state of a support rod of the tensioning cable rod system can be maintained, the height of the support rod is limited, the attractive building effect is reached when the stress is reasonable, and the shape finding result of the cable rod system can be further corrected, so the structure system can be suitable for various load work conditions, and the stress is more reasonable.

The invention discloses an intelligent transfer device for composite steel strip manufacturing. The intelligent transfer device for composite steel strip manufacturing comprises a rectangular base, and a storage mechanism, a transport mechanism, a moving mechanism, an extension mechanism, a grabbing mechanism and a sheltering mechanism are arranged on the rectangular base. The device has the beneficial effects that through the storage mechanism, the composite steel strip can be conveniently placed, the composite steel strip is reasonably supported, the transport mechanism facilitates reasonable moving transporting of the composite steel strip, the use position is adjusted, the moving mechanism can conveniently move and adjust the use position of the device reasonably, through the extensionmechanism, the supporting point of the placing position of the composite steel strip can be added, the composite steel strip is placed reasonably and stably, the grabbing mechanism can reasonably support the steel strip when the composite steel strip is placed, conveying of the composite steel strip cannot be obstructed, and when the composite steel strip moves, the sheltering mechanism can prevent falling of the composite steel strip.