30results about How to "Reduce damage and deformation" patented technology

The invention relates to an intelligent cabinet. The intelligent cabinet comprises a storage frame, electric sliding blocks, bowl pulling bar frames, stabilizing frames, tensioning plates, fastening water collecting frames, splash-proof sponges and extruding rails, the electric sliding blocks are mounted on the side wall of the middle of the storage frame in a left-right symmetric mode, the electric sliding blocks are provided with the bowl pulling bar frames, the stabilizing frames are mounted at the left ends and the right ends of the bowl pulling bar frames, the rear ends of the bowl pulling bar frames are connected with the inner wall of the storage frame through the tensioning plates, the fastening water collecting frames are arranged at the lower ends of the bowl pulling bar frames,the splash-proof sponges are arranged in the fastening water collecting frames, and the extruding rails are arranged on the lower parts of the electric sliding blocks. According to the intelligent cabinet, the lower ends of the bowl pulling bar frames are of hollow out net-shaped structures, dropping of residual water droplets on bowls and chopsticks is convenient, the surface of an inner separation plate is scrubbed by personnel at fixed period, but dead corners are difficult to scrub, and problem that the surface of the inner separation plate is prone to being corroded due to the water droplets residual remaining at the dead corners is prone to occurring.

The invention discloses a novel automobile hub. The novel automobile hub comprises a rim, an axle hub and a spoke set, wherein the wheel edge on the edge of the rim is provided with a plurality of clamping bars which are evenly distributed along the outer circumference of the wheel edge and used for clamping a tire, the axle hub is arranged on the axis of the rim, the spoke set comprises a plurality of first spokes and a plurality of second spokes, the first spokes and the second spokes are evenly distributed along the outer circumference of the axle hub in a radial shape, connected to the two sides of the rim respectively and used for supporting the rim, the width of the two side ends of each first spoke is larger than the width of the center position of the first spoke, first inclination angles opposite in direction are formed at the two side ends of each first spoke and are opposite to the outer surface of the first spoke, the two side ends of each first spoke are each provided with a cavity, and reinforcing ribs connected to the rim and the axle hub are further arranged on the outer surfaces of the first spokes; the rim and the axle hub are connected through the spoke set so that an automobile hub body can be formed. The novel automobile hub has the advantages of being good in stability, light in weight, fast in heat dissipation and high in safety coefficient.

The invention discloses a large-scale underground cavern group arrangement design method applied to hydraulic and hydroelectric engineering and underground storage cavern engineering. According to the arrangement design method, principal factors, especially the essential factor of the rock strength-stress ratio, influencing underground cavern surrounding rock stability can be comprehensively taken into account, the designing scheme for large-scale underground cavern group arrangement can be more scientific, and considered factors are more comprehensive. The position of a main cave is determined at first, the orientation of an axis of the main cave is determined, then the thickness of a rock pillar in the main cave is determined, and at last the shape of the main cave is determined. When the orientation of the axis of the main cave is determined, the trend of a rock mass main structural surface on a construction site and the orientation of the maximum principal stress are measured at first, the orientation of the axis of the main cave is determined according to an included angle between the axis of the main cave and the trend of the rock mass main structural surface and an included angle between the axis of the main cave and the orientation of the maximum principal stress, the included angle between the axis of the main cave and the trend of the rock mass main structural surface is not less than 40 degrees, and the included angle between the axis of the main cave and the orientation of the maximum principal stress is 0-40 degrees.

The invention provides a fine drawing degreasing cleaning device, which is sequentially provided with a dust removal unit, an overflow tank, a cooling water tank, a water filter plate, and multiple sets of high-pressure air blowing valve blocks along the horizontal movement direction of the fine drawing; the lower part of the dust removal unit is connected to a dust suction pipeline , the dust removal unit has a built-in wiping body, and the dust removal unit includes a coarse dust removal device, a fine dust removal device, and a fine dust removal device; There is a through opening for the wire rod to pass through. It can simultaneously realize vacuum treatment, water circulation treatment, and high-pressure air drying. The equipment has a simple structure, high efficiency, and strong practicability, which effectively improves the cleanliness of the silk surface; avoids the problem of overheating and deformation of the take-up wheel.

The invention relates to an intelligent cabinet. The intelligent cabinet comprises a storage frame, electric sliding blocks, bowl pulling bar frames, stabilizing frames, tensioning plates, fastening water collecting frames, splash-proof sponges and extruding rails, the electric sliding blocks are mounted on the side wall of the middle of the storage frame in a left-right symmetric mode, the electric sliding blocks are provided with the bowl pulling bar frames, the stabilizing frames are mounted at the left ends and the right ends of the bowl pulling bar frames, the rear ends of the bowl pulling bar frames are connected with the inner wall of the storage frame through the tensioning plates, the fastening water collecting frames are arranged at the lower ends of the bowl pulling bar frames,the splash-proof sponges are arranged in the fastening water collecting frames, and the extruding rails are arranged on the lower parts of the electric sliding blocks. According to the intelligent cabinet, the lower ends of the bowl pulling bar frames are of hollow out net-shaped structures, dropping of residual water droplets on bowls and chopsticks is convenient, the surface of an inner separation plate is scrubbed by personnel at fixed period, but dead corners are difficult to scrub, and problem that the surface of the inner separation plate is prone to being corroded due to the water droplets residual remaining at the dead corners is prone to occurring.

The invention discloses a large-scale underground cavern group layout method applied to water conservancy and hydropower engineering and underground storage cavern engineering. The underground cavern group layout method can give overall consideration to major factors having influences on underground cavern adjoining rock stability, particularly gives overall consideration to the crucial factor of the rock strength-stress ratio, enables a large-scale underground cavern group layout designing scheme to be scientific, and is overall in considered factors. The method includes the following steps: firstly, determining the positions of main caverns, then determining the axis directions of the main caverns, determining the thickness of a rock pillar between the main caverns, and finally determining cavern shapes of the main caverns. When the cavern shapes of the main caverns are determined, each main cavern is divided into an underground main power house, a main transformer chamber and a tail water surge chamber according to functions, the hole shape of each underground main power house and the hole shape of each main transformer chamber are in circular arch straight wall shapes or egg shapes, and each tail water surge chamber is in a cylinder shape or a gallery shape.

The invention discloses a clamping groove assembling type steel pipe column and steel beam connecting joint and a construction method thereof. A plurality of H-shaped steel beams are horizontally connected to the side wall of the periphery of a steel pipe column. A steel beam end plate extending in the beam height direction of the steel pipe column is fixedly welded to the end face of each H-shaped steel beam. A U-shaped clamping groove is welded to the lower side of the steel pipe column. The lower sides of the steel beam end plates are inserted into the U-shaped clamping groove. An annular movable steel hoop is installed on the upper side of the steel pipe column. The upper ends of the steel beam end plates are hooped and connected through the movable steel hoop or hooped and connected in the mode that a reinforcing plate is matched with the movable steel hoop. Insertion plates for fastening are inserted into gaps between the U-shaped clamping groove and the steel beam end plates. An annular reinforcing plate is welded to the portion, matched with the movable steel hoop, of the middle of the inner wall of the reinforcing plate. An end plate reinforcing plate is fixedly arranged at the joint of an upper wing edge and the middle of the upper end of each steel beam end plate. A notch is formed in the middle of the annular reinforcing plate on each side. The clamping groove assembling type steel pipe column and steel beam connecting joint has the advantages that the industrial degree is high, no welding or bolt connection is needed on a construction site, and the construction speed is high, and has better technical benefits.

The invention discloses a miniature oxygenator with a self-locking oxygen bullet connecting component, which comprises an oxygen pressure gauge, a body and an oxygen bullet connecting component used for connecting an oxygen bullet. The oxygen pressure gauge is fixed on the top end of the body; the oxygen bullet connecting component is arranged at the bottom end of the body and comprises a connecting cover and a self-locking sheet; the connecting cover is connected to the bottom of the body, and is provided with a self-locking sheet accommodating part; the self-locking sheet is sleeved in the self-locking sheet accommodating part which is provided with a sleeving hole for the oxygen bullet to pass through; the self-locking sheet is provided with a lock hole which is clamped with the oxygenbullet; and a self-locking sheet spring is arranged between one end of the self-locking sheet and the inner wall of the self-locking sheet accommodating part. The miniature oxygenator with the self-locking oxygen bullet connecting component has the advantages of simple and compact structure, low cost, convenient operation, high safety and high reliability.

The invention discloses a valve. A valve flap of the valve is connected to the inner portion of a valve body through a thread structure in a threaded mode, wherein the thread structure extends in the direction surrounding a valve port, a rotation stopping insertion groove is matched with a rotation stopping plug in a rotation stopping and inserted mode in the direction of the valve port, the rotating stopping insertion groove is formed in the valve flap, the rotation stopping plug is correspondingly arranged on a valve rod, and the rotation stopping plug is in pilot fit with the rotation stopping insertion groove in the length direction of the valve rod. When the valve is used, the valve rod can drive the valve flap to rotate in the valve body, the performance that the valve rod can be disengaged from the valve flap in the direction of the valve port can be guaranteed with the help of the pilot fit between the rotation stopping plug and the rotation stopping insertion groove, and therefore the valve rod can not be influenced by the assembly errors of the valve flap in a valve cavity while providing the torque required by the opening motion and the closing motion of the valve flap for the valve flap, and reliability and stability of the movement of the valve flap in the valve cavity can be guaranteed.

The invention discloses a large-scale underground cavern group arrangement method applied to hydraulic and hydroelectric engineering and underground storage cavern engineering. According to the arrangement method, principal factors, especially the essential factor of the rock strength-stress ratio, influencing underground cavern surrounding rock stability can be comprehensively taken into account, the designing scheme for large-scale underground cavern group arrangement can be more scientific, and considered factors are more comprehensive. The position of a main cave is determined at first, the orientation of an axis of the main cave is determined, then the thickness of a rock pillar in the main cave is determined, and at last the shape of the main cave is determined. When the position of the main cave is determined, the rock strength-stress ratio on a construction site is firstly measured, and when the rock strength-stress ratio is 2.0-4.0, the thickness from the outer edge of the main cave to a rock of a valley slope surface should be larger than 400m; when the rock strength-stress ratio is 4.0-7.0, the thickness from the outer edge of the main cave to the rock of the valley slope surface is 200-400m; when the rock strength-stress ratio is larger than 7.0, the thickness from the outer edge of the main cave to a rock of the valley slope surface is 150-200m.

The invention discloses a layout design method of an underground cavern group applied to a water conservancy and hydropower project and an underground storage. According to the layout method, main factors influencing the stability of surrounding rock of the underground caverns, especially, the rock strength stress ratio which is the essential factor can be fully taken into consideration. The method comprises the following steps of: firstly determining the positions of main caverns, determining the axial line directions of the main caverns, determining the thicknesses of rock pillars among the main caverns, and finally determining the shapes of the main caverns, wherein in the process of determining the thicknesses of the rock pillars among the main caverns, the thicknesses of the rock pillars are 1.0-2.5-time mean than excavation span between two adjacent main caverns and are 0.5-0.8 times that of the height of the big one in the adjacent two main caverns. Compared with the layout design with a design plan provided by a using traditional layout method, the layout design with the layout method disclosed by the invention is more scientific; and especially, in a highland stress environment and in a condition with relatively low surrounding rock strength, the phenomena of the deformation and destruction of the surrounding rock after the surrounding rock of the underground cavern group is excavation-unloaded can be greatly reduced or the deformation and destruction degrees of the surrounding rock can be reduced.