69results about How to "Assembly does not affect" patented technology

The invention relates to a radiating structure (100) for a spotlight. The radiating structure comprises a heat-conducting matrix (7) and a plurality of radiating fins (6) distributed in a circumferential direction of the heat-conducting matrix (7), and is characterized by being provided with a first state and a second state, wherein in the first state, the plurality of radiating fins (6) are folded and are close to the heat-conducting matrix (7), and in the second state, the plurality of radiating fins (6) are unfolded from the heat-conducting matrix (7). According to the radiating fins of the radiating structure, because the radiating fins can be converted between different folding states and unfolding states, higher radiating capacity can be realized when the spotlight works under the condition that installation of the spotlight is not influenced.

The invention discloses a box lateral side protecting device of an LED curtain wall screen. The box lateral side protecting device comprises a box, LED lamp beads mounted on the surface of the box, a retaining plate and a pull rod, a containing groove is formed in the side wall of the box, the retaining plate is movably mounted in the containing groove, an elastic element is arranged between the retaining plate and the containing groove and used for providing a force pushing the retaining plate to a direction away from the box, the pull rod is provided with a handle portion, one end, away from the handle portion, of the pull rod penetrates the box to be hinged on the retaining plate, and a limiting face matched with the handle portion of the pull rod is arranged on the box and used for preventing the pull rod from retracting into the box. The retaining plate capable of being movably mounted on the lateral side of the box is arranged on the lateral side of the box, so that when the box is demounted from the curtain wall screen, the retaining plate slides out of the containing groove and retains on the lateral side of the box, and effect of protecting the LED lamp beads is realized; when the curtain wall screen is assembled, the retaining plate is hidden in the containing groove and does not affect flatness of the lateral side of the box, so that assembling of the curtain wall screen is not affected.

The invention discloses an automatic four-axis manipulator assembly system. The system comprises a rack, wherein an assembly module and a manipulator module are arranged on one side of the rack, and afeeding module is arranged on the rack; the feeding module is ensured to efficiently and accurately delivering materials and parts and grabbing materials on the correct position by utilizing electromagnetic vibration of a round vibration disc and an output rail, vision detection devices are arranged on the manipulator module, and whether a material is complete and direction and position are positioned or not can be conveniently determined; and the assembly module is positioned by adopting multiple sensors to ensure the accuracy of a tooling plate, and the tooling plate is jacked up by adopting a cylinder to fix the tooling plate and improve the assembly stability. According to the automatic assembly system, two vision detection devices for accurate positioning and direction discriminatingare used to automatically identify in a certain deviation area, the whole assembly is not influenced, cost increased generated by the client product accuracy requirement required by the assembly requirement can be reduced. The system can be suitable for large-batch production.

The invention discloses a technological method for assembly and welding of a diffuser tube in a marine diesel engine. According to the technological method, the adaptation to the relative position between a top flange and a bottom flange can be achieved by replacing a tapered tube in the diffuser tube with a plurality of positioning ribs; on the one hand, the problem that the tapered tube is slowly delivered during the pre-assembly process can be solved and the normal assembly of a main machine can be guaranteed; on the other hand, the onsite assembly and welding of the diffuser tube can be changed into welding in a steel structure workshop through the use of the positioning ribs, the restrictions to the operation space and the operation position during the welding of the diffuser tube canbe changed, and the problem about large assembly and welding deformation can be solved; meanwhile, the process of flatness detection after welding is added in the technological method and the millingprocessing is achieved, so that the problem about assembly flatness errors can be solved; and an expansion joint is arranged on a turbocharger as well as the expansion and contraction quantity of theexpansion joint reaches 3 mm, so that the proper milling operation can be prevented from influencing the assembly.

The invention discloses a cell enriching system and a cell enriching method. The cell enriching system comprises a sample bottle, a loading mechanism, a uniformly mixing mechanism, a concentrating anduniformly mixing mechanism and a controller, wherein the loading mechanism can convey the sample bottle; the uniformly mixing mechanism can perform a first uniformly mixing operation on the sample bottle; the concentrating and uniformly mixing mechanism can pierce the bottom of the bottle, and perform sucking and reverse blowing operations on the sample bottle; the controller controls the loadingmechanism to convey the sample bottle to a uniformly mixing position, and then the uniformly mixing mechanism performs the first uniformly mixing operation; after the controller controls the loadingmechanism to convey the sample bottle to a concentrating position, the controller controls the concentrating and uniformly mixing mechanism to pierce the bottom of the bottle to enter a second cavityand repeatedly perform the sucking and reverse blowing operations. The cell enriching system provided by the invention achieves cell concentration by performing the sucking and reverse blowing operations, so that a filter device of the sample bottle and a concentrating needle can be effectively prevented from being blocked, cell superposition can be effectively reduced while cell concentration isaccelerated, and thus the cell enriching quality is improved.

The invention discloses a vacuum brazing method for a slender weld joint of a hole-shaft matched part. The method comprises the following steps of assembling the part, and spraying brazing filler metal, specifically, spot-welding a sheared nickel sheet to a conical surface part of a shaft-shaped part, and uniformly distributing the nickel sheet at 3-5 parts along the circumferential direction of the conical surface part; assembling, specifically, putting the shaft-shaped part in a hole-shaped part and assembling to the bottom, and enabling a clamping part to be in close fit with the inner wall of the hole-shaped part; coating and injecting the brazing filler metal, specifically, uniformly coating and injecting the prepared paste brazing filler metal on the edge of a gap formed by the shaft-shaped part and the hole-shaped part for a circle by using an injector; drying, specifically, cleaning the part, putting the part into a drying oven at (80+/-10) DEG C, and keeping the temperature for (40+/-10) minutes; and conducting brazing in a furnace. According to the vacuum brazing method, the front end of the hole-shaft matched part is in close fit, and the nickel sheets with the same thickness are uniformly distributed on the conical surface along the circumference for spot welding, so that the welding clearance is doubly ensured, the conical surface is prevented from being stuck in the assembling process, and the brazing quality of the slender weld joint is better ensured; and the process is easy to operate, parts are easy to assemble, and part assembly is not affected after the nickel sheets are preset on the conical surface.

The invention relates to a ratchet wheel and discloses a ratchet wrench reversing structure. The ratchet wrench reversing structure comprises a head holder (1), a ratchet (2), a clamping part (3), a handle (4), an elastic linkage component (5), a pivot (6) and two elastic positioning components (7), wherein an accommodating hole (10) for penetrating through the upper and lower surfaces of the head holder (1) is formed in the head holder (1); two parallel lugs (11) and a pivot groove (12) formed between two lugs (11) are arranged on the head holder (1); a clamping groove (18) penetrating through the pivot groove (12) is formed in the lateral side of the accommodating hole (10); the racket (2) is rotationally combined in the accommodating hole (10) of the head holder (1); the racket (2) comprises a drive part (20) and an external toothed part (21) at the periphery of the racket (2). The ratchet wrench reversing structure has good structural strength, increasing of service life, is easy in manufacturing and assembling and low in cost and the like.

The invention relates to a fabricated concrete prefabricated wall manufacturing and machining machine and machining process. The fabricated concrete prefabricated wall manufacturing and machining machine comprises a frame body, a conveying device, a fixing device, a polishing device and a scrap blowing device, wherein the conveying device is arranged at the lower end inside the frame body, the fixing device is installed at the upper end inside the frame body, the polishing device is arranged on the right side of the upper end inside the frame body, and the scrap blowing device is installed inthe middle of the right side wall of the frame body. According to the fabricated concrete prefabricated wall manufacturing and machining machine and the machining process, the problems that a traditional prefabricated wall rough material polishing method adopts a manual polishing method, namely before the prefabricated wall is assembled and used, the surface of the prefabricated wall is manually polished and then is directly used for assembling, the labor intensity of assembling workers can be increased and the polishing effect cannot be guaranteed by adopting the manual polishing, cooperationamong walls can be further influenced, and the assembly efficiency is influenced and the like can be solved

The invention relates to a top-mounted low temperature floating ball valve which comprises a valve body (1), a spherical valve core (4) and a fixator (6). The valve body (1) is provided with an inlet (2) and an outlet (3); a cavity is formed inside the valve body (1); the spherical valve core (4) is arranged in the cavity; the spherical valve core (4) is provided with a through passage (5) in the horizontal direction; the spherical valve core (4) can rotate around the vertical axis of the spherical valve core; the fixator (6) is arranged in the cavity and is positioned on the side of the spherical valve core (4), which is close to the outlet (3); a ring-shaped groove of the fixator (6) is provided with an outlet side valve seat (7); the outlet side valve seat (7) is in sealed contact with the spherical valve core (4); the outer wall of the fixator (6) is directly and fixedly connected with the valve body (1) in a gapless manner. According to the top-mounted low temperature floating ball valve disclosed by the invention, no leakage point exists between the fixator and the valve body, the valve has good sealing performance and the top-mounted low temperature floating ball valve is safe and reliable.

The invention discloses a female end connector capable of improving connection reliability and a male end connector. The female end connector comprises a clamping sleeve, wherein the clamping sleeve is arranged in a female plug and is provided with a plurality of positive elastic clamping parts and a plurality of negative elastic clamping parts, the plurality of positive elastic clamping parts andthe plurality of negative elastic clamping parts oppositely extend in an axial direction and are movable, and protruding parts inwards protruding are arranged at end parts of the positive elastic clamping parts and the negative elastic clamping parts. The male end connector comprises an outer shell, a male plug, an insulation body and a central contact which are axially connected, and a pluralityof sunken parts are arranged at a peripheral surface of an abutting end of the male plug. By effective matching of the positive elastic clamping parts and the negative elastic clamping parts of the clamping sleeve and the male plug of the male end connector, the plugging durability is improved, and the function failure caused by deformation of the female end connector during the plugging processis prevented; and with the adoption of positive and negative alternative distribution, the positive elastic clamping parts are used for providing a main acting force, the negative elastic clamping parts are used for providing a balancing acting force in the process, and the deformation of the female end connector caused by connection of different shafts is prevented.

The invention relates to a recombinant virus-like particle expressed based on an inclusion body form, a preparation method and an application thereof. The preparation method comprises: expressing a recombinant plasmid containing a recombinant viral capsid protein gene or the recombinant viral capsid protein gene fused with another antigen genes in an exogenous expression system, and obtaining therecombinant viral capsid protein in the form of inclusion bodies or the recombinant viral capsid protein fused with the other antigens; dissolving the inclusion body with a surfactant, diluting the material, adding an amphiphilic cosolvent, and performing desalination to realize assembly of the virus-like particles to obtain the recombinant virus-like particles. The method is applicable to all recombinant virus-like particles expressed in the form of the inclusion bodies, and is simple and easy to operate, and the prepared recombinant virus-like particles have a morphology similar to that of natural viruses, and the method provides a strategy for the development of preventive vaccines and therapeutic vaccines.

The invention discloses a new energy automobile braking air cylinder spinning hoop machining method and a spinning hoop. A hoop body machined through the method is in a circular ring shape, and the top end or the bottom end of the hoop body is provided with a bending part. According to the method, the material utilization rate is high, and cost is greatly reduced. The spinning hoop is easy to assemble, high in efficiency, good in stability and attractive in appearance, and assembly assembling cannot be influenced.

The invention discloses a self-limiting assembly type female connector. A female end outer shell of the female connector is provided with a port end, a non-port end and a holding cavity, the non-portend is arranged at a rear position relative to the port end, and the holding cavity is communicated with the port end and the non-port end and internally provided with a front positioning portion anda rear positioning portion. The front positioning portion and the rear positioning portion are integrally connected with the female end outer shell; the front positioning portion comprises a front positioning face extending inwards, and the rear positioning portion is provided with a rear positioning face extending inwards; a portion, with the rear positioning face, of the rear positioning portionis capable of moving towards the center axis of the holding cavity. The outer wall of a female plug is provided with a positioning boss which is provided with a front end face and a rear end face, and when the front end face is positioned in rear of the front positioning face and the rear end face is positioned in front of the rear positioning face, the female plug can be axially limited in the holding cavity. By arrangement of a limiting structure in the outer shell, axial fixing can be realized on the premise that no extra part is added, so that unnecessary development cost, assembly procedures and assembly hours are avoided.

A valve tower of a DC circuit breaker comprises a rapid mechanical switch tower, a power electronic switch tower, an energy consumption lightning arrester tower, a coupling negative pressure driving device, an insulation supporting platform and an isolation transformer. The insulation supporting platform is arranged at the bottom of the valve tower, a transition layer is arranged at the top of theinsulation supporting platform, the rapid mechanical switch tower, the power electronic switch tower, the energy consumption lightning arrester tower and the coupling negative pressure driving deviceare all installed on the transition layer, and the coupling negative pressure driving device is located in the power electronic switch tower; the rapid mechanical switch tower, the power electronic switch tower and the energy consumption lightning arrester tower are arranged on the transition layer. The power electronic switch tower is located on the side face of the rapid mechanical switch tower, and the energy consumption lightning arrester tower is located in front of the rapid mechanical switch tower. The isolation transformer is arranged on one side of the insulation supporting platformand used for providing electric power for the valve tower. The structure is beneficial to independence among the towers, and the problems of complex structural design, complex electrical connection, complex wiring and the like caused by structural staggering are avoided.

The embodiment of the invention relates to the field of balanced armature design and discloses a production method for a motor and a motor assembly. The method comprises the steps of producing a yokeiron assembly, wherein the yoke iron assembly comprises a strip and a plurality of pieces of first yoke irons, each piece of the first yoke iron is connected with the strip, a piece of first magnet iswelded on each piece of the first yoke iron, the piece of first magnet and each piece of the first yoke iron form a yoke magnet assembly, and all yoke magnet assemblies and the strip form a first motor assembly; forming skeletons on the yoke magnet assemblies of the first motor assembly to obtain a second motor assembly, assembling second magnet and second yoke iron on the second motor assembly to obtain a third motor assembly; assembling coils on the skeletons of the third motor assembly, and cutting the strip to obtain a plurality of motors. In the mode, the yield of the motors can be realized.

The invention relates to a startup detection device of a dust removal instrument, a dust collector and a startup detection method, belongs to the technical field of cleaning equipment, and aims to solve the problem that an existing dust collector cannot automatically detect whether a dust collection cup body is assembled in the dust collector. The startup detection device comprises a sensing unit,a control unit and a warning unit, and the sensing unit is used for detecting whether the dust removal instrument is provided with a dust collection cup or not and transmitting a generated signal tothe control unit; the control unit controls whether the motor of the dust removal instrument is started or not according to the signal transmitted by the sensing unit, and the control unit can send aninstruction to the warning unit; and the warning unit sends warning information according to the instruction of the control unit. By arranging the sensing unit, the control unit and the warning unit,whether the dust collection cup is assembled or not can be detected when the dust collector is started, the motor is prevented from being started under the condition that the dust collection cup is not assembled, and unnecessary loss of electric energy and waste of time and physical strength of a user are avoided.