138results about How to "Guaranteed fixed strength" patented technology

The invention discloses an automatic assembly line for feeding, cutting and punching a pipe automatically. The automatic assembly line comprises a front feeding mechanism, a middle feeding and cutting mechanism and an automatic punching and unloading mechanism which are arranged in sequence from left to right; the front feeding mechanism comprises a first supporting frame, a lifting mechanism, a pipe clamping mechanism, a transverse pushing mechanism and a longitudinal pushing mechanism; the middle feeding and cutting mechanism comprises a second supporting frame, a first clamping conveying mechanism, an automatic cutting mechanism and an automatic clamping mechanism; the automatic punching and unloading mechanism comprises a third supporting frame, a second clamping conveying mechanism, a drilling clamping mechanism and two sliding drilling mechanisms which are positioned on the right side of the second clamping conveying mechanism and are arranged at an interval. The automatic assembly line can realize automatic feeding, and is low in labour intensity and high in work efficiency; the pipe can be cut automatically; the cutting quality is good; high-efficiency cutting operation of one or more pipes can be realized synchronously; the punching operation can be performed on the two ends of the pipe simultaneously; the function of clamping a plurality of pipes at one time and punching the pipes in sequence can be realized.

The invention discloses a construction method for one-time formation of a concrete pool wall. The method includes the steps of erection of a pool wall reinforced frame, mounting of pool wall forms, mounting of a support system, and casting of the concrete pool wall. The method has the advantages that the problems of large pool wall height and large form side pressure are solved by the use of the solid side forms and a reinforcing support system; the pool wall forms are erected to the top once, and the appearance quality of the pool wall is easily guaranteed; pool concrete is cast once, structure integrity is good, and the potential water leakage problem of the pool wall caused by reservation of multiple horizontal construction joints; construction process is greatly quickened, construction period is shortened, labor cost and materials cost are saved, and engineering cost is lowered; the method is especially applicable to construction of concrete pool walls 9m in height and 300mm-1100mm in thickness.

The invention belongs to the technical field of geotechnical engineering testing equipment, and discloses a ring type sample preparation device for ring shear tests. The device comprises a base, an inner barrel, an outer barrel, a supporting column and a compaction barrel. The base is provided with two concentric circular grooves. The inner barrel and the outer barrel are embedded into the two concentric circular grooves respectively. The inner barrel, the outer barrel and the top wall of the base form a sample groove. One end of the supporting column is perpendicularly fixed to the base. The compaction barrel is arranged over the sample groove and supported by the supporting column. The compaction barrel is of a barrel structure, and the barrel wall can be embedded into the sample groove. The compaction barrel is provided with a supporting lug and is movably connected with the supporting column through the supporting lug. On the condition that sample compaction and compression operation is executed, the compaction barrel slides along the supporting column to get close to or away from the sample groove, and the barrel wall is embedded into or disengaged from the sample groove. The sample preparation device is high in structure precision, and the sample leveling and compaction operation effect is good.

Provided are a bearing device for a wheel, in which circumferential play is reduced, which provides excellent workability in connection between a hub ring and an outer joint member of a constant velocity universal joint, in which fitting between the hub ring and the outer joint member of the constant velocity universal joint is stable, and which has excellent strength, and an axle module using the bearing device. An axially extending projection is formed on either of the outer diameter surface of a shaft section of the outer joint member and the inner diameter surface of a hole of the hub ring. The projection is press-fitted to the other in the axial direction to form a recess in the other by the press-fitting. By this, a recess/projection fit structure is formed, in which the entire regions of those portions of the projection and the recess at which they are fitted to each other are in intimate contact with each other. The hardness of at least that portion of the projection at which the press-fit starts is higher than that of a portion where the recess is formed. The difference in hardness in HRC is 20 or more.

The invention discloses an oil discharge device for mine oil barrels. An oil outlet pipeline (7) with a valve is arranged on the barrel cover of the oil barrel (1), and the oil barrel (1) is horizontally and fixedly arranged on a placement frame (3 ), the right end of the shelf (3) is provided with a baffle (5), the upper part of the baffle (5) is provided with a vertical groove (6), and the oil outlet pipeline (7) protrudes from the vertical groove (6) to the baffle ( the right part of 5); the support frame (2) top is provided with a horizontal support plate (8), and the right side of the support plate (8) top is fixedly provided with an upright beam (9) perpendicular to it, and the upper end of the upright beam (9) Hinged with the bottom right side of the placement frame (3), the left end of the placement frame (3) is hinged with the piston rod head of the hydraulic cylinder (4), and the cylinder seat of the hydraulic cylinder (4) is hinged with the left side of the support plate (8) top. The device is easy to operate, does not require additional pumping equipment such as an additional oil pump, and can conveniently realize frequent supply of oil.

A substrate cassette device comprises a cassette frame for loading a substrate and a frame turnover mechanism for turning the cassette frame. The cassette frame comprises a substrate imbedding port; the cassette frame is provided with a plurality of substrate fixing mechanisms for fixing and supporting the substrate; the frame turnover mechanism and the cassette frame are fixedly connected for realizing turning of the substrate in the cassette frame in multiple angles. During a heating process of the glass substrate, the substrate cassette device provided by the invention can effectively improve the heating uniformity of the substrate through turning the glass substrate by multiple angles, and overcomes formation of gravity-induced depressions on the surface of the substrate in an existing static heating process of the substrate, so as to improve the flatness and size precision of the substrate.

A rotor includes a rotor core and a plurality of magnets. The magnets are fixed on an outer circumferential surface of the rotor core. The rotor further includes at least one protective tube. The protective tube includes a cover portion. An inner circumference of the cover portion is greater than a length of an envelope line formed by outer circumferential surfaces of the magnets and common tangents of the outer circumferential surfaces of adjacent magnets, and is less than a circumference of a circumscribed circle of the magnets. The cover portion covers the magnets in a circumferential direction, thereby guaranteeing the fixing strength of the magnets while also preventing the magnets from breaking.

The invention provides a moving mechanism which comprises vibration tables, a horizontal sliding table guide rail, a horizontal sliding table, vibration table guide rails and a foundation steel plate. The horizontal sliding table guide rail and the vibration table guide rails are pre-embedded in the foundation steel plate. The vibration tables move on the vibration table guide rails through vibration table moving wheels. The horizontal sliding table moves on the horizontal sliding table guide rail through a horizontal sliding table moving wheel. The cross sections of the horizontal sliding table guide rail and the vibration table guide rails are identical in structure, an inverted 'T'-shaped groove is machined in the center of each guide rail, and a 'V'-shaped opening is machined at the upper end of each inverted 'T'-shaped groove. The vibration table moving wheels and the horizontal sliding table moving wheel are identical in structure and are stepped cylinders, the center of each stepped cylinder is a protruded 'V'-shaped circular truncated cone, circular truncated cones are symmetrically distributed at the two ends of each 'V'-shaped circular truncated cone, and the included angle of the 'V'-shaped circular truncated cones is consistent with the included angle of the 'V'-shaped openings. The moving mechanism can achieve six kinds of vibration functions and is accurate in positioning and flexible and convenient in movement.

The invention concerns a device for fixing a loose leaf binding fixture used to bind books, etc., to a cover body by manipulating only one side and which provides the required attachment strength. Disclosed is a loose leaf binding fixture attachment device that affixes a loose leaf binding fixture to a cover body and is equipped with an attachment device main body part arranged on the cover body, a pair of insertion parts provided on the attachment device main body for insertion into connection holes formed with hole parts for attachment and hole parts on the cover side that overlay each other, and a first engagement part and a second engagement part provided for one of the two insertion parts so that the engaged member can be engaged or disengaged, where said engaged member is the member, either the cover body or the loose leaf binding fixture, at the inside part of the insertion parts in the insertion direction, when the pair of insertion parts is inserted into the connection holes. The first engagement direction, which is the engagement direction of the engaged member that is engaged by the first engagement part, is set to be different from the second engagement direction, which is the engagement direction of the engaged member that is engaged by the second engagement part.

The invention discloses a spinning bobbin automatic replacing device for facilitating connection. The spinning bobbin automatic replacing device comprises a working box for containing and protecting the device, the working box is internally provided with a placing tray for placing and fixing spinning threads, a first driving piece used for driving the placing tray to rotate and a connecting devicefor connecting the broken spinning threads together, a spinning bobbin placing device for placing spinning bobbins is further included, and the spinning bobbin placing device comprises a placing box,a placing column used for placing a plurality of spinning bobbins and a control handle for controlling the rotation of the placing column. Through the arrangement of the above structure, the spinningbobbins can realize the storage and standby effect through the above-mentioned placing column and a placing rod, so that more spinning bobbins are conveniently stored and placed for waiting to be used, the storage capacity of the spinning bobbins is effectively increased, and the spinning bobbin automatic replacing device is simple in structure and easy to operate.

The invention discloses a shielding device for a high-reflective material and application of the device. The problem that an RPV steel sample obtained after being irradiated with a nuclear reactor hasextremely high harm, and no perfect shielding method or device exists is solved. The high-reflective material is an RPV steel experimental sample obtained after being treated and irradiated with thenuclear reactor for a long time, in other words, the invention provides the shielding device aiming at RPV steel obtained after being irradiated with the nuclear reactor and a processing method and application of the device, and relates to a ray shielding technology and method for the high-reflective material in the long process transportation and processing processes. Accordingly, on the basis ofthe ray shielding theory and the material characteristics of depleted uranium, a novel portable shielding container is designed and made, harmful ray release of the PRV steel in the processes such aslong process turnover and machining can be effectively lowered, the safety in the transportation and machining processes is guaranteed, and the influence of the high-reflective material on the environment is lowered to the maximum extent.

The invention relates to an internal supporting jig. The internal supporting jig comprises a telescopic cylinder, a guide base, a first connecting plate, a second connecting plate and two supporting heads, wherein the guide base is fixed to the piston end of the cylinder, one end of the first connecting plate and one end of the second connecting plate are connected with the guide base in a pivoting mode, the other end of the first connecting plate and the other end of the second connecting plate are fixedly connected with the supporting heads respectively, and the shape of each supporting head is matched with that of the inner wall of the workpiece. According to the internal supporting jig, the telescopic cylinder works to drive the guide base to push one end of the first connecting plate and one end of the second connecting plate upwards, the supporting heads are pushed by the other end of the first connecting plate and the other end of the second connecting plate to expand outwards to achieve firm supporting, the shapes of the supporting heads are matched with the shape of the inner wall of the workpiece, the supporting heads tightly support the inner wall of the workpiece, the structure is simple, operation is convenient, the workpiece fixing strength is guaranteed, the workpiece is prevented from being damaged, operation difficulty is lowered, and product quality is guaranteed.

To provide a solar panel stand which has a small number of parts and can be easily installed. The stand for a solar panel comprises a first frame member 10 for supporting a solar panel, a second frame member 11 for supporting the first frame member 10 and extending in an orthogonal direction, and fixing members 13 fixed to the disposed foundation 12. The fixing member 13 is arranged in a pair so as to sandwich the second frame member 11 from both sides, and each fixing member 13 has a first fixing portion 29 fixed to the foundation 12 and a second fixing portion 28 that is fixed to the second frame member 11.

The embodiment of the invention provides a locking structure and an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles. The locking structure is used for fixedly locking and connecting a first part and a second part which are hinged to each other in the unmanned aerial vehicle. The locking structure comprises a hook assembly and a lock pin assembly, the hook assembly comprises a lock catch, and the lock pin assembly comprises a bayonet lock. The hook assembly is used for being installed on the first part, and the lock pin assembly is used for being installed on the second part. And one part of the bayonet lock is positioned between the first part and the second part and is clamped with or separated from the lock catch. When the lock catch is clamped with the bayonet lock, the first part can be fixed relative to the second part, and when the lock catch is separated from the bayonet lock, the first part can move relative to the second part. When the locking structure is used for connecting a winglet and a wing, the locking or unlocking of the winglet and the wing on the unmanned aerial vehicle can be realized through the clamping or separation ofthe lock catch and the bayonet lock, so that the locking difficulty of the winglet is greatly reduced, the operation time of unfolding and folding the winglet relative to the wing is shortened, and the maneuverability of whole machine assembly is improved.

The invention provides a centrifugal pump. The centrifugal pump comprises a pump body, an auxiliary ground inserting device, a water inlet unit and a water outlet unit, wherein the water inlet unit isinstalled on the side wall of the left end of the pump body, the water outlet unit is installed on the side wall of the right end of the pump body, and the auxiliary ground inserting device is installed at the lower end of the pump body through bolts. According to the centrifugal pump, the problems that when the centrifugal pump is placed in water or oil liquid, vibration is generated in the working process, so that the pump body is inclined and inclined, and then the work of the pump body is influenced can be solved; the problems that when the pump body is placed in the water or the oil liquid, a large number of fixed particles and the like existing in the pump body are adsorbed into the pump body, then normal operation of the pump body is influenced, and rotation of an impeller in the pump body is influenced after long-time use are solved; and the problems that when a water outlet of the pump body is connected with a guide pipe, a water guide pipe is prone to falling off due to thewater spraying pressure generated by the pump body, and then the work of the pump body is influenced are solved.

The invention relates to accurate automatic filling pile centralizing equipment and an application method thereof. The accurate automatic filling pile centralizing equipment comprises supporting legs,a connecting frame, a connecting pile, a pile filler and other components, wherein the connecting frame comprises a connecting plate, and the lower portion of the connecting plate is connected with aguide frame; the connecting pile is connected to the connecting plate and the guide frame; the supporting legs are connected to the edge of the connecting plate through connecting rods; the pile filler is connected to the bottom of the guide frame; the middle of the connecting plate is provided with an embedment hole; the inner wall of the embedment hole is provided with a connecting pile squeezer; the connecting pile squeezer is internally connected with the connecting pile; the connecting plate and the supporting legs are connected through the connecting rods; gyroscope sensors are arrangedat the joints of the connecting plate and the connecting rods; supporting leg supporting plates, floating plates and supporting airbags are arranged in an annular cavity between the floating plates and the supporting plates in an arrayed mode. The application method comprises the steps of conducting filling on a standard pile through the pile filler, pushing the connecting rods through the supporting airbags, accordingly, righting the connecting plate and then righting the connecting pile.

The invention discloses a squeezing trigger type signal line. The squeezing trigger type signal line comprises an elastic insulation sleeve; two or more than two electric conductors are arranged inside the insulation sleeve; the electric conductors are fixed on the inner wall of the insulation sleeve along the axial direction of the insulation sleeve in a spiral shape; the electric conductors are mutually separated. According to the squeezing trigger type signal line, monitoring signals can be generated when the signal line is stressed from all directions by the electric conductors which are arranged in a spiral mode, monitoring dead angles are avoided, installation angles are not required, and the monitoring accuracy is improved; the electric conductors are fixed through a spiral trunking which is formed in the inner wall of the insulation sleeve, the fixing intensity between the electric conductors and the inner wall of the insulation sleeve is improved, and the service life of the signal line is guaranteed.

The invention discloses an ice skate blade quick replacement structure which comprises a knife rest, a limiting part, a rotary clamping hook, at least one elastic pressing device, an unlocking part, and a safety part; the knife rest comprises a front supporting shell, a rear supporting shell and a mounting groove for mounting a blade; the limiting part is arranged at the rear end of the mounting groove and used for fixing the rear end of the blade; the rotary clamping hook is hinged in the front supporting shell and is used for fixing the front end part of the blade; the at least one elastic pressing device is arranged in the front supporting shell and is used for enabling the rotary clamping hook to keep locking the blade; the unlocking part is arranged in the front supporting shell, oneend of the unlocking part is used for jacking and pressing the rotary clamping hook to enable the rotary clamping hook to be separated from the blade for unlocking, and the other end of the unlockingpart extends to the outer side of the front supporting shell; the safety part is used for limiting movement of the unlocking part, the blade replacing step is easy to operate, then the ice skate bladecan be rapidly replaced, and the ice skate blade replacing time can be greatly shortened.

The invention discloses a sound screen board and a sound barrier using the same. A sound screen board comprises a rectangular outer shell body and a sound absorbing body, wherein the rectangular outershell is composed of a panel, a back board, and a side board, and the sound absorbing bodyfillsthe interior of the outer shell body;in the assembly process of the sound screen board, the use of rivets is omitted, the appearance is more aesthetic, automatic continuous production can be realized, using of manpower is reduced, production efficiency is greatly improved, and finished products are decreased;in terms of using performance, the corrosion of riveting joints can be avoided, and the overall fixing strength can be ensured. In the assembly structure of the sound screen board, the top of the outer shell body is in the structural form of an upper flanging groove covering an upper clamping part, and an overlap joint slit is vertically formed, and a vertical upper clamping part is arrangedon the inner side of the lap joint slit for protection, so that rainwater does not enter into the outer shell body, thus the problemsof corrosion of the sound screen board and uneven filling caused by sinking of the sound absorbing body are avoided, the service life of the sound screen board is prolonged, and the sound absorption and noise reduction effects are further improved.A sound barrier has the using and producing advantages of the sound screen board.