67results about How to "Increased stability" patented technology

A memory card socket is provided, the main body (3) of which is composed of a first metal shell (1) and a second metal shell (2), wherein only the first metal shell (1) is pressed on a base (7) fixed on a contact block (4), and the second metal shell (2) is combined on the first metal shell (1) by the methods such as laser welding in order to prevent the main body (3) of the socket from deforming caused by the external force applied when inserting and pulling. Therefore, the second metal shell (2) is provided with a first abut piece (20) and a second abut piece (19), wherein the first abut piece (20) is abutted with the front of the base (7) from the front side, and the second abut piece (19) is projecting from the base (7) in the rear side and is abutted with the rear part of the base (7) from the rear side.

The invention relates to the technical field of agricultural breeding, and discloses a lean meat pig training device. The device comprises a breeding bin body, a feed box is fixedly installed at the bottom of the right side in a cavity of the breeding bin body, and a pressing device is arranged at the bottom of the middle of the breeding bin body and comprises a pressing plate and a rotating rod.According to the lean meat pig training device, by arranging the pressing device, after a feeder throws feed into the feed box in the cavity of the breeding bin body, bred lean meat pigs must pass through the pressing plate when going to the feed box, and when the lean meat pigs pass through the pressing plate, the lean meat pigs must press and tread the pressing plate through the weight of themselves; the left side of the pressing plate is limited and stabilized through a supporting rod in the pressing process, the four limbs of the lean meat pigs can be exercised in the pressing and treadingprocess of the lean meat pigs on the pressing plate, the exercise amount of the lean meat pigs is increased by conducting powerful four-limb training on the lean meat pigs going to the feed box to befed each time, and therefore the lean meat production efficiency of the lean meat pigs is improved; and finally, the economic benefit of a farm is improved.

The invention discloses a connector which comprises transmission elements with a plurality of conductors arranged on the single surfaces thereof and an insulating body, wherein the insulating body is provided with an accommodating port; a plurality of terminal slots are formed on the upper and the lower wall surfaces of the accommodating port; a group of first terminals and a group of second terminals are respectively arranged in the terminal slots; one end of each first terminal is correspondingly connected with the conductors on the single surfaces of the transmission elements, and the other end thereof is connected with butt joint pieces; and one end of each second terminal is correspondingly connected with the conductors on the single surfaces of the transmission elements, and the other end thereof is also connected with the butt joint pieces. The transmission elements are electrically connected and fixed through pressure exertion in an identical direction, the design improves the stable strength of the fixation of the transmission elements in the accommodating port, and dispenses with the staggered insertion of signals and a grounding cable and the assembly procedure of forming connecting terminals by bending, so as to simplify the entire manufacturing process and reduce cost.

The invention discloses an assembly for a bridge pavement and a preparation method of the assembly. The preparation method includes the following steps of preparation and cleaning of a die, smearing of a release agent, preparation of a work site, rebar installation, concrete pouring, installation of a metal pipe, installation of a fixing shaft, disassembly of the die, maintenance of concrete blocks and assembly of the concrete blocks. The first concrete block and the second concrete block are assembled, rebars are arranged in the second concrete block, the hardness and compressive strength of the assembly can be improved, the assembly can resist collision of vehicles, due to the fact that the first concrete blocks are installed in a groove of the bridge pavement, the groove is filled with concrete, the first concrete block can be firmly combined with a bridge, and the stabilizing strength of the assembly is improved.

The invention discloses a refractory-brick prefabricated member for a rotary kiln. The refractory-brick prefabricated member comprises a fourth positioning block, a refractory brick body, a third through-hole and a fourth positioning hole. A first positioning block and a second positioning block are arranged at the top end of the refractory brick body, the first positioning block is arranged on the left side of the second positioning block, a first positioning hole and a second positioning hole are formed in the bottom of the refractory brick body, and the first positioning hole is formed in the left side of the second positioning hole; a third positioning hole and the fourth positioning hole are formed in the left side wall of the refractory brick body, the third positioning hole is formed above the fourth positioning hole, and a third positioning block and the fourth positioning block are arranged on the right side wall of the refractory brick body; and a first through-hole and a second through-hole are formed in the top end of the refractory brick body, and the third through-hole is formed in the right side wall of the refractory brick body. According to the refractory-brick prefabricated member for the rotary kiln, the bricklaying is convenient, the bricklaying construction of a kiln body is convenient, the structure is scientific and reasonable, and the connection is firm; and the refractory-brick prefabricated member further has an excellent heat-insulating capability, and the service life and the quality can be effectively guaranteed.

The invention relates to novel stiffening cloth, wherein a cloth material yarn is prepared from at least one fiber or various fibers by blended spinning, and also comprises low-temperature polyester staple fibers of which the content is 2 to 90 percent of the whole body of the cloth material yarn, the low-temperature polyester staple fibers are arranged between at least one adjacent fiber or various fibers, and the low-temperature polyester staple fibers are melt down at high temperature to form bonding media so that adjacent fibers are bonded with one another. The novel stiffening cloth has the advantages of high strength, good stiffening effect, stable cloth material dimensions, and the like. A method for processing the novel stiffening cloth comprises three steps of spinning, weaving and shaping, wherein the shaping method has a simple process without needing to pass through resin stiff finish, and can add different amounts of the low-temperature polyester staple fibers according to product requirements to generate different hardness on the cloth surfaces. The novel stiffening cloth adopts a new method to replace the prior resin processing and finishing process, so that the cloth materials generate stiffening effects and have stable dimensions.

The invention discloses a banana type scaffold. The banana type scaffold mainly comprises vertical rods, a transverse rod, an inclined rod, cross arms, a ladder and a tread plate, wherein a connecting disk is arranged on the vertical rods in a spaced mode, wedged inserting heads correspondingly buckled to the connecting disk are arranged at the two ends of the transverse rod, the wedged inserting heads of the transverse rod are fixed to the vertical rods through the connecting disk in an insertion mode, the inclined rod which is obliquely arranged and the ladder crossing with the inclined rod are fixedly connected between the vertical rods through pin shafts, and the tread plate is fixedly arranged between the cross arms of the vertical rods. The vertical rods, the transverse rod and the inclined rod are coated with fluorescent layers. The connecting disk is hexagonal and evenly provided with inserting holes, and a round convex edge is arranged at the inner circle of the connecting disk. The banana type scaffold has the advantages of being convenient to install and high in stability.

The invention discloses a green energy-saving fabricated building wall and a construction method thereof, and relates to the technical field of building walls. According to the green energy-saving type fabricated building wall and the construction method thereof, the green energy-saving type fabricated building wall comprises a side column device, the side column device comprises side columns, the side column device is formed by vertically stacking a plurality of side columns, the side columns are fixedly connected, a first connecting column is fixedly connected to the middle of the right surface of each side column, and a side column groove is formed in the middle of the left rear side of each side column; the side column groove is inwards formed in the center of the side column, a second connecting column is arranged in the side column groove, the end, close to the side column groove, of the second connecting column is inserted into the side column groove, the second connecting column is matched with the side column groove, and the end, close to the side column groove, of the second connecting column is the circle center end and makes contact with the position, located in the center of the side column, of the side column groove. According to the green energy-saving fabricated building wall and the construction method thereof, the stability of the building wall fabricated through the structure is improved.

The invention provides a stable combined electric vehicle frame made of extruded profiles, and relates to the technical field of electric vehicle frames, the stable combined electric vehicle frame comprises a blocking frame and an inclination sensor, a goods shelf is welded to one end of the blocking frame, the cross section of the goods shelf is in a shape like a Chinese character'ri ', and a stable structure is arranged on the surface of the blocking frame and comprises two supporting rods; the two supporting rods are slidably inserted into the surface of the blocking frame, the arc face of each supporting rod is sleeved with a spring A, the two ends of each spring A are fixedly connected with the corresponding supporting rod and the blocking frame respectively, a containing groove is formed in the lower end of each supporting rod, a spring B is fixedly connected to the inner wall of each containing groove, and a bottom plate is fixedly connected to the lower end of each spring B. By means of the frame, the problems that after a traditional frame is assembled into an electric vehicle in the later period, the stability of the frame is ordinary, and especially for a three-wheel electric vehicle to go uphill, the frame of the traditional electric vehicle is prone to rollover when running on an uphill road section are solved.

The invention relates to the technical field of centrifugal ventilators, and discloses a low-pressure centrifugal ventilator. The low-pressure centrifugal ventilator comprises a centrifugal ventilatorbase. A ventilator shell is arranged on one side of the surface of the upper end of the centrifugal ventilator base, an exhaust port is formed in the surface of the upper end of the ventilator shell,a movable plate is arranged at the lower end of the front surface of the ventilator shell, a connecting base is arranged on the other side of the surface of the upper end of the centrifugal ventilator base, a motor box is arranged on the surface of the upper end of the connecting base, a first rotary shaft is arranged in the middle of the surface of one side of the ventilator shell, a supportingring is arranged on the side, close to the ventilator shell, of the outer surface of the first rotary shaft, and a supporting plate is arranged on the surface of the lower end of the supporting ring.According to the low-pressure centrifugal ventilator, the working stability of the device can be improved, the device can be conveniently and rapidly maintained, the working safety of the device is guaranteed, and then it is guaranteed that wind blown by the device can purify air.

The invention relates to the field of spaceflight and discloses a controllably and orderly inflated self-supporting type solar sail structure. A sail surface approximately triangle-shaped and formed by three curves is adopted, the sail surface can be unfolded in orbit stably and orderly, and distribution gradient of internal plane stress forced on the sail surface after unfolding is reduced by 20%; a support ring with the inner diameter equal to a winding shaft is arranged at the position of rectangular vertice of the sail surface, and concentrated stress of the sail surface can be lowered; a circular opening enclosed by 4n (n is larger than or equal to 3, and n is an integer) sawteeth, and no relative movement between the vertice of the sail surface and the winding shaft can be guaranteed; four sets of inflated extension arms used for supporting the sail surface are unfolded, each set is formed by two extension arms, straightness of the inflated extension arms and rigidity of the inflated extension arms after being unfolded can be improved, the rigidity of the structure is two times of that of a structure with a single extension arm, and unfolding stability of the extension arms is improved.

The invention discloses a method for machining a prefocusing plate through a finish turning clamp. The method for machining a threaded hole in a spherical shell portion of the prefocusing plate through the finish turning clamp for the prefocusing plate comprises the following steps of 1, connecting a connecting disc of the finish turning clamp for the prefocusing plate with a spindle flange through bolts; 2, mounting the central threaded hole in the spherical shell portion of the prefocusing plate onto a double-end stud in a penetration manner, so that a locating boss on the spherical shell portion is arranged in a locating spigot, and after the prefocusing plate is adjusted, sequentially screwing nuts mounted on the double-end stud in a penetration manner, so that the prefocusing plate isfixed to a prefocusing plate locating block; and 3, starting a lathe spindle, drilling a threaded bottom hole through a drill bit in the first place, then, machining a taper hole in the front end ofthe threaded bottom hole through a turning tool, and then, tapping a thread in the threaded bottom hole through a reamer, so that the process is completed. Compared with the prior art, the method aimsat solving the problems that the threaded hole, forming a 25-degree angle with the axis of the central threaded hole, in the existing prefocusing plate is low in machining work efficiency and high inproduction cost.

The invention discloses an assembly method and assembly tooling of a segmented stator core, comprising: taking the outer cylindrical surface of the inner tube as the reference plane, placing the first iron core unit on the splicing platform, and positioning recesses on the outer surface of the iron core unit The slot fits and locates with the positioning piece on the top surface of the splicing table; other core units are sequentially spliced ​​through the connecting convex part and connecting concave part of the core unit to form a ring-shaped stator core; the stator core is tightened with a hoop; The laser pre-fixes the two ends of each welding seam by spot welding; the hoop divides each welding seam into upper and lower sections, and uses laser to perform spot welding on the upper and lower sections of each welding seam. The invention utilizes the inner tube and the hoop to splice the iron core unit, which can improve the welding deformation resistance, combined with the principle of symmetry, spot welding pre-fixation and spot welding seam, ensures the rounding accuracy of the stator core, improves the connection strength, and simultaneously spot welds a single point The energy output is low, the heat-affected zone of the core is small, and the deformation is small, which can ensure the smooth connection and tight fit of the inner water jacket and the stator core.