50results about How to "Meet high load requirements" patented technology

The invention discloses a double-circle steel wire rope shock absorber, consisting of an outer-circle steel wire rope, an inner-circle steel wire rope, inner-circle upper clamping plates, outer-circle upper clamping plates, a lower clamping plate and a plurality of belleville spring assemblies. The double-circle steel wire rope shock absorber provided by the invention can guarantee the normal exertion of shock absorption performance in the case of large predeformation and guarantee no conquassation under quite great loads; therefore, the safety coefficient and the capability of coping with an accident are improved; the broadband high-attenuation of shock by the shock absorber under the working conditions of precompression and small amplitude (several millimeters) can be realized; in addition, the double-circle steel wire rope shock absorber has the characteristics of long service life, good shock absorption effect and the like.

A hydraulic power steering system that maintains proportional pressure control between an input side of a gear and assist pressures internal to the steering gear by relying upon a control valve. A pressure differential is maintained between the input side of a gear and assist pressures internal to the steering gear throughout certain events. Those events include running the pump to fully charge the accumulator, idling the pump after fully charging the accumulator, discharging pressure from the fully charged accumulator at an onset of a steering event having a demand for steering load, recovering the discharged pressure of the accumulator by running the pump after turning on the pump at the onset of the steering event, and opening the relief valve in the valve manifold during the steering event.

An intelligent pressure management system that controls the pressure inside a cryogenic tank between variable target vapor pressure values and / or ranges that are set as a function of system operating conditions, by actuating an actively controllable valve disposed on a gaseous fluid vapor conduit; and in some embodiments, additionally by actuating an actively controllable valve on a liquefied gaseous fluid conduit, based on a signal received from a pressure sensor that measures the pressure inside the pressurized tank. The variable target vapor pressure values and / or ranges are determined as a function of at least two system operating conditions which can include the vapor volume in the storage space; the fluid flow demanded by the use device; and a measured temperature parameter that correlates to the temperature of the fluid exiting a heater.

In a wheel carrier unit comprising a basic wheel carrier member, a support member connecting the basic wheel carrier member to a vehicle body by way of axle links, and a brake cylinder arranged thereon, the brake cylinder is disposed on the side of the wheel carrier unit remote from the wheel location and a housing for a brake application unit serving as mechanical force transmission unit is formed on the opposite side of the wheel carrier unit.

The invention aims to provides a novel airtight full-loaded four-row cylindrical roller bearing, comprising an outer race (4), a pin shaft (1) compatibly serving as an inner race and four-row cylindrical rollers (5) arranged between the outer race (4) and the pin shaft (1). The novel airtight full-loaded four-row cylindrical roller bearing is characterized in that each cylindrical roller (5) is provided with a column supporting hole, two sides of each row of cylindrical roller (5) are respectively provided with a supporting ring (7), a strut (6) is respectively inserted in the column supporting hole of each cylindrical roller (5), and two ends of the strut (6) are respectively arranged in a support groove on a supporting ring (7). By adoption of the bearing disclosed by the invention, the difficulties that the traditional like bearing is unavailable for repeated mounting and dismounting are solved, meanwhile, a requirement on a high-load working condition is realized, and the bearing in such a structure is particularly suitable for a small end of a connecting rod in a diaphragm pump crank-link mechanism and the working environment with low-speed swinging and heavy load, and has the advantages of being reduced in use cost and prolonged in service life.

The invention discloses a transition system for butt joint of a straddle-type monorail section turnout beam and a station. The system comprises a bearing platform foundation (1); the bearing platformfoundation (1) is provided with a station bridge pier (2) and a turnout beam bridge pier (10); the top of the station bridge pier (2) is provided with a station hall layer cover beam (3), a pluralityof station hall columns (4) are arranged above the station hall layer cover beam (3) at intervals for supporting a station platform layer cover beam (7) arranged on the station hall columns (4), and station rail beams (8) are longitudinally arranged above the station platform layer cover beam (7); the top of the turnout beam bridge pier (10) is provided with a turnout beam (6), the portion, corresponding to the station rail beams (8), of the turnout beam (6) is longitudinally provided with a mechanical turnout (9), the ends of the station rail beams (8) and the mechanical turnout (9) are rightopposite to each other, and the elevations of the top surfaces of the station rail beams (8) and the mechanical turnout (9) are the same, so that the butt joint of the straddle-type monorail sectionturnout beam and the station is achieved. The bearing requirement for the station pier due to the arrangement of brackets is avoided; the influence of the arrangement of the section transition rail beam on the use function of the turnout is also avoided.

An unsupported, floating, and pneumatic caliper disc brake, comprising a mounting plate (1), a brake caliper assembly (2), two guide pins (3), screws (4), a friction plate (5), pressure springs (6), and a pressure plate (7); wherein a central through-hole is provided on the mounting plate (1), the central through-hole being used for centring on a non-steering axle, and the brake caliper assembly (2) is directly fixed onto the mounting plate (1) by means of the guide pins (3). The brake is simple in structure, convenient for assembling and convenient for maintenance. Given that a support has been removed, a saving is made on cost and in the setting up process. In addition, the brake ensures braking performance and eliminates the negative impact created when support is withdrawn.

A slide bearing is described with a bearing metal layer on copper basis as applied to a carrier and a running layer made of an alloy of aluminum and tin which is applied physically onto the bearing metal layer in vacuum. In order to combine favorable resistance against wearing with a low inclination towards jamming with advantageous tribological properties it is proposed that the bearing metal layer consists of an alloy with 4 to 8% by weight of tin, 0.6 to 1% by weight of silver, 1 to 2% by weight of an iron phosphide and 0 to 0.15% by weight of carbon, preferably in the form of graphite, and the remainder of copper.

The invention discloses a bracket. The bracket comprises a cross rod and supporting devices which are connected through the cross rod and arranged at the two ends of the cross rod symmetrically. Each supporting device comprises a base used for stabilizing the supporting device, an arc bracket part used for supporting a workpiece and a supporting portion used for connecting the base with the arc bracket part, wherein the base is provided with a first fixing hole used for fixing the base; the supporting portion is in an H shape formed by a connection column, a first supporting column and a second supporting column; the first supporting column and the second supporting column are distributed on the two sides of the connection column; the vertical height of the first supporting column is lower than the vertical height of the second supporting column; the arc bracket part is provided with a second fixing hole used for fixing the workpiece. The bracket is attractive in structural appearance, high in practicability, good in stability, economical, practical and worthy of being popularized; the workpiece is convenient to take and place; the bracket can stably support a semi-finished product in the workpiece machining process.

The invention discloses a method suitable for conducting reconstruction and reinforcing on an existing artificial foundation. The method comprises the steps that an original foundation is included, the original foundation is reinforced and improved to form a composite foundation by arranging plain concrete piles; according to the technical scheme, the pile body concrete strength grade of the plainconcrete piles is C20, the pile diameter is 500 mm, the effective pile length is 10.5-12.5 m, a silty clay layer or locally a first highly weathered tuff bed serves as a supporting stratun of the pile end, the pile spacing of a main building is 1.48 m*1.55 m, the pile spacing of podium buildings is 2.0 m*1.8 m, and the pile top is provided with a gravel mattress layer with the thickness being 200mm. Accordingly, the effects of fully utilizing the bearing capacity of the original artificial foundation and being uniform in foundation deformation are achieved.

The invention discloses a steel girder device for a static loading experiment. The steel girder device for the static loading experiment comprises a steel girder support, and is characterized in that the cross section of the steel girder support is square, multiple web plates with different intervals are arranged in the middle of the steel girder support, and reinforcement devices are arranged between the web plates at the edge positions of the steel girder support. The steel girder device for the static loading experiment is simple in structure, practical, capable of effectively improving the bending resistance capacity of steel girders, bending moment and shearing force generated by loads can be borne, and large-tonnage bearing demands can be met.

The invention discloses a heat exchange system. The heat exchange system comprises a first high-temperature heat storage medium conveying pipeline, a first low-temperature heat storage medium conveying pipeline, a second high-temperature heat storage medium conveying pipeline, a preheater, an evaporator, a superheater, a water feeding device and a steam turbine. Compared with the prior art, the heat exchange system has the innovative points that by arranging the second high-temperature heat storage medium conveying pipeline, when a heat storage medium coming from the superheater is cooled after being subjected to heat exchange and consequently cannot meet the load demand of the heat exchange system, a high-temperature heat storage medium can be supplemented into the evaporator through the second high-temperature heat storage medium conveying pipeline, the temperature of the heat storage medium entering the evaporator is increased, and accordingly, the purpose of improving load of the heat exchange system is achieved.

The invention discloses a connecting rod lubricating oil conveying structure of a diesel engine. The lubricating oil cools the piston of the diesel engine. The inside of the piston has an internal cooling oil passage, and the top wall of the inner cavity of the piston is symmetrically arranged with the internal cooling oil passage. Two connected oil inlets, the piston and the small head of the connecting rod are hinged together. At least one oil injection hole is aligned with the oil inlet in the whole stroke after the top dead center. The connecting rod lubricating oil delivery structure enhances the cooling effect on the piston after the top dead center by improving the ratio of lubricating oil delivery before and after the top dead center, so that the piston can adapt to higher load requirements.

The invention discloses a multi-rotor aircraft with multiple shafts arranged in a staggered mode. The multi-rotor aircraft comprises a rack, a plurality of upper-layer power sources, a plurality of lower-layer power sources, a plurality of upper-layer paddles and a plurality of lower-layer paddles. The upper-layer paddles are arranged at intervals and connected to the upper portion of the rack through the plurality of upper-layer power sources. The plurality of lower-layer paddles are arranged at intervals and are connected to the lower part of the rack through the plurality of lower-layer power sources. The multiple upper-layer paddles and the multiple lower-layer paddles are arranged in a staggered mode in the projection direction of the rack. The centers of the upper-layer paddles and the centers of the lower-layer paddles are located on the same flat geometric figure in the projection direction of the rack. Under the same loading capacity, the multi-rotor aircraft can obviously reduce the flight resistance and volume and improve the propeller efficiency. Besides, the multi-rotor aircraft can also meet the high load requirement under the condition that influence on the size andthe weight is small, and the requirement of the multi-rotor aircraft for transportation equipment is low.

The invention relates to the technical field of rotating magnetic field equipment, in particular to rotating magnetic field equipment. The rotating magnetic field equipment comprises a longitudinal drive rotating shaft, wherein the longitudinal drive rotating shaft is connected with a motor; the upper end of the longitudinal drive rotating shaft is connected with a gear bank; the gear bank is meshed and connected with a drive gear; a basic rotating disk is fixed at the lower part of the drive gear; and a magnetic assembly is arranged on the basic rotating disk. The rotating magnetic field equipment is relatively good in physical property, low in cost and good in magnetic heath effect.

The invention discloses a double-shaft rotating structure. The double-shaft rotating structure comprises an adapter flange, a rotary A shaft assembly, a rotary B shaft assembly, a connecting plate anda precision laser cutting head. Hollow rotary actuators and a precision bearing are arranged, so that better rigidity and strength can be further provided for a structural platform, and the cutting task can be completed with high precision and high efficiency; the rotary A shaft assembly and the rotary B shaft assembly comprise the hollow rotary actuators, and the hollow rotary actuators are highly integrated with a motor and a speed reducer, and are particularly important in the cutting fields of compact structure, high mechanical arm load requirement, high cutting precision requirement andhigh efficiency; according to the double-shaft rotating structure, the swing angle of the rotary A shaft assembly is + / -21 degrees, the swing angle of the rotary B shaft assembly is + / -17.5 degrees, the swing angles of two shafts are precisely controlled through a driving system, a precise laser head is externally hung, and the cutting or welding task is completed with high efficiency and high precision.