38results about How to "Reduce collision friction" patented technology

A planetary rolling bearing. A bearing main body comprises an inner ring, an outer ring, a ball track, main rollers and auxiliary rollers. The inner ring and the outer ring are sleeved together in a way of coincided central axes; the outer side of the inner ring and the inner side of the outer ring form the ball track; rollers in the ball track comprise a main roller group and an auxiliary roller group; the rollers are arranged in a planetary shape, namely axes of every three rollers form an isosceles triangle in the ball track; and each roller body is tangent to another along an axis direction, as well as tangent to the ball track wall. When the bearing works, only rolling friction exists between the main rollers and the auxiliary rollers, and between the main rollers, the auxiliary rollers and the outer ring and the inner ring; and original sliding friction and collision friction between the rollers and a holder do not exist. Compared with the prior art, the invention has beneficial effect that the holder is cancelled to reduce collision friction between the holder and the rollers, effectively reduce high temperature of the bearing and oil loss time, thereby prolonging the service life of the bearing.

The invention discloses a protective structure for construction of a core tube inside a high-rise building. The protection device is composed of a protective layer and a steel wire rope, wherein the steel wire rope is connected to a steel wire rope suspension point on the protective layer; a top wheel and an edge-sealing rubber tape are arranged at the periphery of the protective layer; the edge-sealing rubber tape is used for filling a gap between the protective layer and the core tube inside the high-rise building; the edge-sealing rubber tape is in interference contact with the inner wall of the core tube inside the high-rise building; a turning plate capable of avoiding a core tube supporting piece inside the high-rise building is arranged on the protective layer; the turning plate andthe protective layer are connected by virtue of a hinge; a lifting and pulling point on the lower part of the steel wire rope can be selected on a coupling beam or a steel truss; a suspension point on the upper part of the steel wire rope is selected on the coupling beam or a tower crane bracket embedded plate. The protective structure disclosed by the invention is simple and firm in structure, easy to process and make and high in operating stability, constructors on the protective structure can be prevented from dropping, the horizontal structure below and the constructors on the plane can also be protected, and the protective structure is worthy of great popularization during construction of the core tube inside the high-rise building.

The invention discloses a natural gas safety storage device with a buffering function, and relates to the technical field of natural gas. A box is included. A base is arranged at the bottom end in thebox. A partition plate is arranged in the middle of the base. A buffering mechanism is arranged at the upper portion of the base and comprises a fixing block. The left end of the fixing block is fixedly connected with a transverse rod. The transverse rod is in cup joint with a spring. The end, away from the inner wall of the box, of the spring is fixedly connected with a pressing rod. The right end of the pressing rod is fixedly connected with a trapezoid sliding block. The trapezoid sliding block is movably connected with a trapezoid pressing plate through a second sliding groove. A supporting plate is fixedly connected to the upper end of the trapezoid pressing plate. A natural gas tank is arranged at the upper portion of the supporting plate. A supporting base is arranged on the innerside wall of the box. A buffering mechanism is also arranged at the upper portion of the supporting base. Through the arrangement of the buffering mechanisms on the lateral side and the base, the transverse and longitudinal multi-direction damping buffering effect is achieved, accordingly, it is guaranteed that the natural gas box is kept stable in the transportation process, large-range swingingis avoided, and safety of the storage device is greatly improved.

The invention discloses an efficient refining and processing system for Yellow Mountain mee tea.The efficient refining and processing system is in a mainly mechanical combination and accessorily manual stereoscopic semi-automatic production mode and comprises a first plane circular sieve machine, an upper-section tea production line, a middle-section tea production line and a lower-section tea production line.The first plane circular sieve machine is used for primarily circularly sieving primary tea, and the upper-section tea production line, the middle-section tea production line and the lower-section tea production line are butted to the first plane circular sieve machine.The upper-section tea production line, the middle-section tea production line and the lower-section tea production line are integrated into the same efficient refining and processing system for characteristics of the primary tea with different specifications, oversize tea is heated and re-fired and then is subjected to sieve shaking winnowing, and only fourth tea heads are cut and crushed and then are subjected to sieve shaking; undersize tea is subjected to sieve shaking, stem separation and winnowing sieving blank setting, and then are heated, re-fired and graded.The efficient refining and processing system has the advantages of high production efficiency, low broken tea rate, reasonable layout and small occupied space.Besides, the daily output of the efficient refining and processing system can reach 10 thousand kilograms by production practice, and accordingly the production efficiency can be greatly improved.

The invention is suitable for the technical field of radiators, and provides a radiator protection device, which comprises a first protective cover and a second protective cover which are connected through bolts. First protection structures are arranged at the upper end and the lower end in the first protection cover correspondingly. A second protective structure is arranged on one side of the interior of the first protective cover, and a third protective structure is arranged outside the first protective cover and right faces the water outlet hole; a second protective structure is also arranged in the second protective cover, and a third protective structure is also arranged outside the second protective cover and is opposite to the water inlet hole. Therefore, shaking of a radiator bodycan be effectively buffered, damping is achieved, collision damage to the radiator is avoided, the quality of the radiator is improved, the service life of the radiator is prolonged, and the maintenance cost is reduced.

The invention provides a fireproof door, comprising a door leaf and a door frame, one side of the door frame is connected with a wall, a groove corresponding to the periphery of the door leaf is formed in the other side of the door frame, and a first fireproof sealing strip is embedded in the face, connected with the wall, of the door frame; a second fireproof sealing strip and a third fireproof sealing strip are embedded in the groove; the first fireproof sealing strip is in a flat strip shape; the second fireproof sealing strip comprises a strip-shaped main body, one side of the main body horizontally extends to form a wide edge, one side, away from the main body, of the wide edge is obliquely bent to form an elastic folded edge, the main body of the second fireproof sealing strip on thedoor frame is embedded in the groove wall of the groove, the wide edge is attached to the surface of the door frame, and the elastic folded edge abuts against the door leaf. According to the fireproof door, through cooperation of the fireproof sealing strips of multiple structures, an installation gap can be blocked in time when a fire disaster occurs, fire penetration and poisonous smoke invasion of the installation gap are prevented, the anti-collision effect can be achieved, and the applicability of the fireproof door is improved.

The invention discloses a magnetism-gas mixed hybrid bearing and an installation method thereof, and aims to solve the technical problems of lower bearing capacity and dynamic rigidity of a magnetic bearing in the prior art and narrower application working condition of a magnetism-gas mixed bearing. The magnetism-gas mixed hybrid bearing is mounted on a rotating shaft, and comprises an inner magnetic pole sleeving the rotating shaft; the inner magnetic pole is arranged in an outer magnetic pole through a repulsion gap; a throttling hole penetrating in the radial direction is formed in the outer peripheral surface of the outer magnetic pole; the cross section of the inner peripheral surface of the outer magnetic pole is olive-shaped, or a dynamic-pressure generation groove is formed in theinner peripheral surface of the outer magnetic pole; the outer magnetic pole is matched and connected with a bearing tool; the bearing tool is provided with a gas supply hole whose one end is connected with the throttling hole; and the other end of the air supply hole is connected with an external gas source. The magnetism-gas mixed hybrid bearing synthesizes the advantages of a magnetic bearing,a static-pressure gas bearing and a dynamic-pressure gas bearing, achieves excellent stable-state and instant-state performances, and in addition, improves the adaptability to multi-directional load working conditions through application a spherical bearing.

The invention provides a centrifugal device for round ball sorting, and the centrifugal device is used for sorting ceramic balls to obtain round ceramic ball bodies. A connector socket can comprise atongue-shaped portion, and the tongue-shaped portion can be formed by using a printed circuit board. The centrifugal device comprises a sorting disc, a sorting body, a rotating shaft and a power device, wherein a round disc mouth of the sorting disc is upward, the lower bottom face of the sorting disc concaves downwards to form a hollow separation cavity, the sorting body is installed inside the separation cavity and is of a vertebral body structure, a busbar of the sorting body is a simple-leaf hyperbola, the rotating shaft is fixed to the lower bottom face of the sorting body, the central axis of the rotating shaft is collinear with that of the sorting disc, connection is established between the output end of the lower device and the rotating shaft, and the connection is established between the rotating shaft and the sorting disc through a speed reducing gear. The centrifugal device for the round ball sorting is simple in structure and good in sorting effect.

The invention provides a fireproof wooden door for multi-directional fireproofing. The fireproof wooden door for multi-directional fireproofing comprises a door leaf and a door frame, the door leaf ishinged to the door frame through a hinge, a door lock and a door mirror are arranged on the door leaf, and a clamping groove seat corresponding to the door lock is arranged on the door frame. The door lock is provided with a fireproof pad in a coated mode, and the inner side of the clamping groove seat is covered with the fireproof pad. The fireproof pad is arranged on the door mirror in a coatedmode, and the hinge is provided with the fireproof pad in a coated mode. A groove corresponding to the periphery of the door leaf is formed in the door frame, and a first fireproof sealing strip is arranged in the groove in an embedded mode; and the first fireproof sealing strip comprises a strip-shaped body, a broadside is arranged on one side of the body in a horizontal extension mode, an elastic folding edge is arranged on the side, away from the body, of the broadside in an oblique bending mode, and the elastic folding edge abuts against the door leaf. According to the fireproof wooden door for multi-directional fireproofing, accessories and installation gaps between the door leaf and the door frame are of fireproof structures, the fireproof performance of the wooden door is improved,and the effect of prolonging the fireproof duration of the fireproof door is achieved.

The invention discloses a high-efficiency refining processing method for Mount Huangshan Mee tea. The high-efficiency refining processing method for the Mount Huangshan Mee tea adopts a three-dimensional semi-automatic processing system which is mainly based on mechanical coupling and artificially supplemented. The three-dimensional semi-automatic processing system comprises a first plane-surface round sifter for carrying out first round sieving on primary tea; and the three-dimensional semi-automatic processing system further comprises an upper-stage tea production line, a mid-stage tea production line and a lower-stage tea production line which are relatively connected to the first plane-surface round sifter. The upper-stage tea production line, the mid-stage tea production line and the lower-stage tea production line are integrated in one processing system according to characteristics of the primary tea of different specifications in the high-efficiency refining processing method for the Mount Huangshan Mee tea. The tea on the sifter is heated so as to carry out second drying, and then, winnowed by shaking the sifter; split-rolling and further sifter-shaking are carried out on the head No. 4 only; sifter-shaking, stalk-picking and winnowing are performed on the sieved tea so as to screen fixed blanks; and heating, second drying and grading are carried out on the fixed blanks. The high-efficiency refining processing method for the Mount Huangshan Mee tea has the advantages of high production efficiency, low broken tea rate, rational arrangement and small floor area. Productive practices have proven that daily output of the Mount Huangshan Mee tea by adopting the system can be up to 10000 kilograms, so that the production efficiency is greatly improved.

The invention discloses a self-adjusting hydrogen cylinder device for a mobile hydrogen energy vehicle, the self-adjusting hydrogen cylinder device comprises: a base, a plurality of mobile self-adjusting devices, a motor and a control device, the motor and the control device are both connected with the base, and the mobile self-adjusting devices are arranged on the inner side of the base; the mobile self-adjusting device comprises limiting blocks, a supporting rod moving belt, two supporting rods, a bearing face and a pressure sensor, the supporting rod moving belt is located at the inner end of the base, the limiting blocks are arranged at the two ends of the supporting rod moving belt, one ends of the supporting rods are connected with the supporting rod moving belt, the other ends of the supporting rods are connected with the bearing face, and the pressure sensor is arranged in the middle of the bearing face. The bearing face surrounds the whole body of the hydrogen cylinder, collision friction of the hydrogen cylinder is reduced, the pressure sensor transmits the stress condition of the hydrogen cylinder to the control device through the supporting rods and the base, the control device controls the corresponding supporting rods to properly move on the supporting rod moving belt, and the stress condition of the hydrogen cylinder is adjusted so that the hydrogen cylinder can be evenly stressed.

The invention discloses a double-stator magnetic-adjusting drive-control integrated collaborative robot motor. The robot motor aims at solving the technical problems that when an existing double-stator robot motor works, due to vibration, collision and extrusion between internal structures are frequent, and friction force is increased, so that parts are seriously abraded. The robot motor comprises a motor shell, a motor top cover arranged at the front end of the motor shell, an outer stator body arranged on the inner side of the motor shell, an inner stator body arranged on the inner side of the outer stator body and a rotor body arranged between the outer stator body and the inner stator body. According to the robot motor, the inner stator body and the rotor body play a role in flexible supporting through a circular gasket, meanwhile, the rotor body and the outer stator body play a role in flexible supporting through a supporting gasket, collision friction between structures is reduced, the rotor body adopts a light partition plate to reduce the weight of the rotor body, and structural inertia and collision damage are relieved.

The invention belongs to the technical field of sensors and particularly relates to a heat-sensitive sensor. The heat-sensitive sensor comprises a shell with an X-shaped section, arc-shaped grooves used for fixing a cylindrical battery cell are formed in two sides of the shell, a first hole is formed in the shell, a sensor body is arranged in the first hole, an end, close to the bottom of the first hole, of the sensor body is fixedly connected with a probe through an elastic rod, a second hole communicated with the arc-shaped groove is formed in the position, corresponding to the probe, in thefirst hole, and the probe makes contact with a surface of the battery cell after being inserted into the second hole. The heat-sensitive sensor is advantaged in that the cross section of the shell isX-shaped, when the special support is used as a fixing support of the sensor, adjacent battery cells are effectively isolated and fixed, the occupied volume of the special support is reduced, meanwhile, the adjacent battery cells are isolated, a good heat dissipation gap is kept, collision friction between the adjacent battery cells is reduced, and the service life of the battery cells is furtherprolonged.