39results about How to "No oil spill" patented technology

This invention discloses a heat-conductive polysiloxane composition, which comprises components A, B, C and D. Component A is organic polysiloxane containing at least two alkenyl groups (viscosity at 25 deg.C is 10-100,000 mm2 / s). Component B is organic hydrogenated polysiloxane containing at least two hydrogen atoms directly bonded to silicon atom. Component C is highly heat-conductive aluminum powder or metal oxide powder filler. Component D is titanate coupling agent or aluminum coupling agent. The heat-conductive polysiloxane composition has such advantages as stable condition and no oil spill.

This invention discloses a heat-conducting silicone composition used in electronic combined component. The heat-conducting silicone composition comprises: component A (organic silicone with hydroxyls), and component B (highly heat-conducting inorganic filler). The heat-conducting silicone composition has such advantages as high application stability and no oil overflow.

The invention discloses a loading running-in device for a ball screw pair and a running-in testing method thereof, which belong to the technical field of running-in test of ball screw pairs. In the running-in device, a main spindle box and a tail seat are used for fixing a ball screw pair; a positioning plate is fixedly connected with a ball nut of the ball screw pair; automatic reversing running-in of the ball screw pair is realized by using a limit switch and a limit switch triggering rod; a magnetic powder brake is used for applying an axial load to the ball screw pair; a reversing mechanism is used for controlling positive and negative rotation of a tip; and a control cabinet is used for controlling other devices to work. The running-in test method comprises the following steps of: loading the ball screw pair; fixing the ball nut; performing a running-in procedure; parking; and testing performance parameters and unloading the ball screw pair. In the invention, the axial load is applied to the ball screw pair by using the magnetic powder brake, so that the delivery performance of the ball screw pair is enhanced; and the magnitude of the loaded load is easy to control, so that temperature rise of the ball screw pair after running-in can be tested accurately and conveniently.

A cylinder block for an integral gas compressor and internal combustion engine. The cylinder block has a bank of compressor cylinders and a bank of engine cylinders, such as in a V-shaped configuration. Valve train openings are machined into the cylinder block adjacent to the engine cylinders so that engine valve train components, such as push rods, may be disposed therein. No valve train openings are machined into the cylinder block adjacent to the compressor cylinders; the block is left solid. A compressor utilizing the cylinder block is also disclosed.

An explosion-suppressing oil tank of the present invention includes a box body, an explosion-suppressing body filled in the box body, and a grid protective cover set outside the oil level sensor, wherein the explosion-suppressing body is set as a porous structure, and the explosion-suppressing body is provided by the bulletin number CN102181756 B is made of the gas station oil tank barrier explosion suppression material aluminum foil; the box body is provided with a grid that divides the box body into two or more chambers, and the explosion suppression body is placed in the chamber; The refueling port of the tank is provided with a refueling shield. Compared with the prior art, the present invention not only can effectively prevent the oil level sensor from being stuck by the explosion suppression body filled in the tank, but also has an oil penetration hole on the surface of the refueling shield so that the oil can smoothly enter the inside of the tank and can effectively prevent The anti-explosion body blocks the filling port, effectively avoiding gun jumping and oil spillage. At the same time, the anti-explosion body effectively controls the gas expansion degree of the fuel tank, so that the pressure in the fuel tank does not change much, and the occurrence of explosion is suppressed.

The invention discloses a spiral waterwheel aerator which mainly comprises a spiral shaft (1) and a power unit. Both sides of the spiral shaft (1) are respectively provided with buoy groups (2); the power unit is positioned at one side of the spiral shaft (1); the power unit comprises a motor (3) and a speed reducer (4); the motor (3) is in drive connection with the speed reducer (4); an output shaft (11) of the speed reducer (4) is in drive connection with the spiral shaft (1); the motor (3) drives the spiral shaft (1) to rotate by the speed reducer (4); a plurality of sections of stirring devices are arranged on the spiral shaft (1); each section of stirring device comprises a plurality of stirring screws (5); and the stirring screws (5) are distributed on the spiral shaft (1) in a diffusing manner and are arranged in a spiral arc umbrella shape. The spiral waterwheel aerator not only generates large water flow in the stirring process and has a high aeration speed, but also can be arranged in a long-distance manner, so that the aeration region is effectively enlarged.

The invention discloses a novel chain track installation method, which comprises the following steps: (1) marking the position of the track to be installed on a horizontal cross beam under an arch rib; B, arranging a track clasp and a track bracket at that marked position; C, lifting a track segment at the arch foot, connecting the track segment to the track support, adjusting a stretching mechanism, and connecting two adjacent chains into one body; D, hoisting a traveling mechanism and connecting the traveling mechanism to the track segment ; E, lifting a track laying base to be connected with the traveling mechanism; F, filling a track segment to be installed in a feeding mechanism when the traveling mechanism is operated to an arch foot; G, when the traveling mechanism runs to the trackarea to be installed and the feeding mechanism transports the track segment to be installed, receiving the track segment to be installed by a jacking mechanism, lifting the track segment to the trackarea to be installed to be connected to the corresponding track bracket, and adjusting the stretching mechanism to be connected to the two adjacent chains into one; H repeating steps F and G to forma complete chain track.

The invention relates to a gear box. The gear box is provided with a box body, wherein a shaft hole is formed in the box body; mounting holes are formed in the periphery of the shaft hole; a plurality of reinforcing ribs are arranged on the inner wall of the box body. The gear box has the advantages of simple structure, convenience for utilization, safety and reliability, convenience for transportation, small size and good sealing performance, and does not cause oil leakage.

The invention discloses a novel chain track installation method, which comprises the following steps: (1) marking the position of the track to be installed on a horizontal cross beam under an arch rib; B, arranging a track clasp and a track bracket at that marked position; C, lifting a track segment at the arch foot, connecting the track segment to the track support, adjusting a stretching mechanism, and connecting two adjacent chains into one body; D, hoisting a traveling mechanism and connecting the traveling mechanism to the track segment ; E, lifting a track laying base to be connected with the traveling mechanism; F, filling a track segment to be installed in a feeding mechanism when the traveling mechanism is operated to an arch foot; G, when the traveling mechanism runs to the trackarea to be installed and the feeding mechanism transports the track segment to be installed, receiving the track segment to be installed by a jacking mechanism, lifting the track segment to the trackarea to be installed to be connected to the corresponding track bracket, and adjusting the stretching mechanism to be connected to the two adjacent chains into one; H repeating steps F and G to forma complete chain track.

The present invention relates to a concrete pile-forming method used in pile foundation engineering and its pile-forming equipment. Said invention is aimed at solving the problem of forming pile in poor subgrade with high underground water level and thick sand bed. Te invented method is characterized by that at the same time of forcedly injecting concrete, lifting the drill bit to designed height and making secondary diameter expansion, at the same time of opening drill bit plate, starting slurry pump to inject slurry, the height of diameter-expanded body is 800-1000 mm.

A comprehensive test device of an oil film bearing belongs to the technical field of the oil film bearing. The structure is as follows: a left bearing, a middle bearing and a right bearing are sequentially arranged from left to right; a shaft connected with a motor through a coupling is arranged inside a bearing hole; an oil path of the left bearing is provided with a dynamic press-in oil hole and a static press-in oil hole at upper and lower top points of a bearing block; oil grooves are arranged inside axle holes at the left end and the right end; the bottom part of each oil groove is communicated with an oil return hole; the dynamic press-in oil hole and a dynamic press-in oil cavity are arranged at the upper part of a vertical center line of a bush; the static press-in oil hole and a static press-in oil cavity are arranged at the lower part; the oil grooves communicated with the oil return hole are arranged on the inner surfaces of the axle holes of a left end cover and a right end cover; the oil path of the middle bearing is respectively provided with the dynamic press-in oil hole at the front and rear top points of the bearing block; the oil grooves are arranged inside the axle holes at the left end and the right end; the bottom part of each oil groove is communicated with the oil return hole; the dynamic press-in oil hole and the dynamic press-in oil cavity are arranged at the front end part and the rear end part of a radial center line of the bush; and the oil grooves communicated with the oil return hole are arranged at the inner surfaces of the axle holes of the left end cover and the right end cover.