76results about How to "Reduce the slope" patented technology

The invention provides a volute fan combined structure which mainly solve the problem how to reduce influences of volutes of two volute fans at two ends on air outflow of a middle volute fan in an air supply device provided with the three volute fans. The structure comprises an installation plate and at least two adjacent volute fans installed on the installation plate. One of the two adjacent volute fans is provided with a middle oblique air outlet located between the two adjacent volute fans, and the middle oblique air outlet obliquely extends in the direction away from a volute of the volute fan provided with middle oblique air outlet from back to front. The second volute fan, the first volute fan and the third volute fan are arranged on the installation plate in a staggered mode so that an air outlet of the second volute fan, the first volute fan and the second volute fan can be staggered, and interference is reduced. The invention further aims at providing a vertical air conditioner.

The present invention relates to one kind of electrically driven stairs climbing handcart and its deformation wheel. The electrically driven stairs climbing handcart has a frame, a chair, wheels, a crawler belt mechanism, an electric control box, an elevation controlling mechanism, a cross shaft lever; a leveling shaft connected to two telescopic rods; two shifting forks fixed separately to ends of the leveling shaft; tension springs in the bottom of the frame for connecting the crawler belt mechanism; and a tipping preventing control mechanism connected to the electric control box. The deformation wheel for the stairs climbing handcart has a wheel dish, a coaxial cam, spokes and springs connected to the wheel dish, a wheel rim and an elastic tire.

A chassis device of an electric wheelchair includes a frame unit, a linking unit, a wheel unit and a power unit. The frame unit is provided with a first arrangement of a bottom border which is provided with a first pin joint point, a second arrangement of a standing post which is provided with a second pin joint point and the second arrangement of the standing post of a third pin joint point. The linking unit is provided with two connecting rod groups, which are respectively arranged at two sides of the frame unit. The first connecting rod group is provided with an upper rocker which is articulated at the third pin joint point and extends forwards and backwards, a lower rocker which is articulated at the second pin joint point and extends forwards, a bottom rod which is articulated at the first pin joint point and extends backwards and a back rod which is articulated with the upper rocker and the bottom rod. The bottom rod and the back rod are used to absorb the oblique angle of the rod, which is caused by the up and down swing to bring comfort to the sitting person.

The invention provides a railway crane with outer rail superelevation levelling function and belongs to the crane field. The crane realizes levelling by arranging an arched beam levelling device between an upper vehicle frame and a lower steering frame. The device pushes the vehicle frame by a piston rod base matched with a double-boom oil cylinder such that the vehicle frame relatively slides along an arched beam matched therewith through skid shoes so as to gradually reduce the inclination degree of the vehicle frame above the arched beam to realize levelling; synchronously, as the double-boom oil cylinder can rotate with certain angle around the short shafts at the two sides of a cylinder with respect to the arched beam and the arched beam base plate can also slightly rotate with respect to the steering frame, the vehicle frame and the upper components can be levelled to be horizontal even though the arched beam and the steering frame connected to the lower portion of the arched beam are inclined. The invention solves the problem that the crane integrally inclines when the crane works at a railway curve by an integrated levelling device and ensures the rated hoisting performance and working safety when the crane works at a railway curve.

The invention discloses a mobile house with a house beam and supporting column connecting structure, and relates to the technical field of mobile houses. The mobile house comprises a supporting column, a house beam, a tooth column, a driving gear and an installation mechanism. An arc-shaped lock block installed in the installation mechanism in the house beam is driven to rotate to stretch into thesupporting column for rotation, so that the arc-shaped lock block corresponds to the transverse acting force of the supporting column in the transverse direction, and meanwhile the arc-shaped lock block abuts against a bearing body in the installation mechanism in the radial direction. When the supporting column is subjected to transverse acting force, the arc-shaped lock block converts the transverse moving force into a force which radially abuts against the bearing body. By means of the method, repeated disassembly and assembly of the house beam and the supporting column can be quickly andsimply realized, the arc-shaped lock block can be prevented from being directly deformed and broken by impact of transverse acting force, radial pressure from the arc-shaped lock block is borne by a bearing part, it is ensured that the bearing body can be prevented from moving transversely, and insufficient strength of the house beam and the supporting column is avoided.

A fastening structure for fastening a large solar module (12) to a substructure (14), with at least two holding profiles (26) which are fastenable on the rear side to one component of the solar module (12) and substructure (14), characterized by at least two receiving profiles (60) which are each fastenable to the other component of the solar module (12) and substructure (14) in a relative position to each other corresponding to the relative position of the holding profiles (26), wherein the holding profile (26) and the receiving profile (60) have a mutually complementary profile shape such that the holding profile (26) is receivable in the receiving profile (60) in a substantially form-fitting manner, wherein mutually corresponding engagement formations are provided on at least one intermeshing holding profile (26) and receiving profile (60); pair and are used to engage together the holding profile (26) and the receiving profile (60) in a locking manner.

The embodiment of the present application provides a character recognition method and a device, which relate to the technical field of information processing. The method comprises the following steps:judging whether a character region of an image is an italic character region; Performing correction processing on the character region to reduce the character inclination degree to obtain a characterregion to be recognized; Character recognition is performed on characters in the character region to be recognized. When character recognition is performed using a character recognition model trainedwith a sample image containing normal characters by using the scheme provided in the embodiment of the present application, the accuracy of character recognition of italic characters can be improved.

The present application relates to a trench gate semiconductor device and a preparation method thereof. The preparation method includes: providing a semiconductor substrate; disposing a trench on thesubstrate, wherein the trench has a bottom groove and a top groove extending upward from the top of the bottom groove to enlarge an opening, the bottom groove has a first side wall, the top groove hasa second side wall, and an included angle between the extension direction of the first side wall and the upper surface of the semiconductor substrate is larger than an included angle between the extension direction of the second sidewall and the upper surface of the semiconductor substrate; forming a gate dielectric layer on the inner wall of the trench; and filling the trench with a gate conductive layer. By designing the trench as a funnel, it is possible to avoid voids and fine seams when the trench is filled.

The invention discloses a notebook cooler with loudspeakers. The notebook cooler comprises a body, a functional area is arranged on the body, a key area is arranged on the functional area, a storage groove is formed in one side of the key area, a groove is formed in the top end of the functional area, a baffle is arranged on the groove, a cooling panel is arranged on the body, a plurality of fans are arranged in the cooling panel, loudspeakers are arranged on both sides of the cooling panel, a plurality of USB jacks are formed in the top end of the body, a power jack is arranged on one sides of the USB jacks, an audio jack is arranged on one side of the power jack, a support is arranged on the back of the body, a foundation is arranged on the bottom of the support, adjustment grooves are formed in the foundation, and foundation cushions are arranged at the bottom end of the foundation.

The invention discloses a linear rail vertical machining center with a detachable collecting mechanism. The linear rail vertical machining center comprises a main machine body, a sealing door is glidingly connected to the front side surface of the main machine body, a three-axis guide rail is arranged in the main machine body, a milling cutter is installed at the bottom of the three-axis guide rail, an air gun is arranged on the front side of the main machine body, a workbench is arranged at the bottom of the main machine body, and the top of the workbench is in threaded connection with the detachable collecting mechanism. A milling cutter is inserted into an embedding sleeve, the three-axis guide rail drives the milling cutter to operate, the embedding sleeve can be pressed down in the subsequent operation process, and a circular truncated cone compression cover is made of rubber, so that the circular truncated cone compression cover can be correspondingly deformed in the operation process of the milling cutter, and operation of the milling cutter cannot be influenced; milled chippings can be blocked within a small range by the circular truncated cone compression cover and the circular truncated cone cover, and the circular truncated cone cover is made of a transparent hard material and does not affect real-time observation of a workpiece in the working process.

The invention relates to a hub with a built-in control moment gyro. The hub comprises a rim, a left spoke, a right spoke and the control moment gyro. The control moment gyro comprises a flywheel shell end cover, a flywheel, a flywheel shell and a flywheel motor used for driving the flywheel. The hub further comprises a control system which is based on a digital signal processing (DSP) system. The inclination speed and inclination angle of a vehicle body or the hub are detected through a sensor, in order to balance the vehicle body, the control moment gyro rotating at a high speed generates moment, the moment is acted on a vehicle body frame through an axle, in this way, the inclination degree of the vehicle body is corrected, and the vehicle body is restored to be in a balanced state. When the vehicle body inclines or tends to turn over, counter-moment is acted on the vehicle body through the hub in the axial direction of the axle, so that the inclination degree of the vehicle body is relieved, and the safety is improved. The hub can also be used in cooperation with other control moment gyros placed inside the vehicle body, and the hub and other control moment gyros operate jointly to keep the vehicle body balanced.

The invention relates to the technical field of tools for high-altitude operation, in particular to a multifunctional soft ladder for high-altitude operation. The multifunctional soft ladder for the high-altitude operation comprises a rope body and pedal sleeves, wherein each pedal sleeve is formed by threading a connecting rope through a pressure rubber sleeve and is triangular; the pedal sleeves are sequentially fixed to the left side and the right side of the rope body in a staggered manner from top to bottom; a connecting loop is arranged on the top of the rope body; the bottom of the rope body is connected with a connecting padlock; the connecting padlock is connected with an adjusting flat belt; and the adjusting flat belt is further connected with a conductive wire iron hook. Only one rope is used for supporting, so that in the climbing process of working staff, the inclining degree of the soft ladder is relatively low, a falling sense is avoided and the safety is also relatively high, and the working efficiency can be effectively improved; the material of the soft ladder has a relatively high safety factor, and the soft ladder is light and convenient to carry; and through design of the rope body, the soft ladder can be applied to more occasions, and has more functions.

The invention discloses a light guide device, a backlight module and a display device. The light guide device comprises a slab-shaped light guide area and a double-wedge light guide area, wherein the slab-shaped light guide area comprises a first surface and a second surface which are parallel, and the distance between the first surface and the second surface is equal to the thickness of the slab-shaped light guide area. The thickness of one side of the double-wedge light guide area, which has a small thickness, is equal to the thickness of the slab-shaped light guide area, and the side of the double-wedge light guide area, which has the small thickness, is connected with the slab-shaped light guide area. A first wedge face and a second wedge face are respectively formed between one side of the double-wedge light guide area which has a large thickness and the first surface of the slab-shaped light guide area, and between the side of the double-wedge light guide area which has the large thickness and the second surface of the slab-shaped light guide area. Light enters into the light guide device through the side of the double-wedge light guide area which has the large thickness, and is reflected to air through the light guide device, and all reflection of the light is total reflection. The backlight module comprises the light guide device. The display device comprises the backlight module. The light guide device, the backlight module and the display device reduce the possibility of destroying the total reflection of the light guide device, and accordingly reduce the possibility of influencing visual effects of the display device caused by light leaks of the backlight module.

The invention discloses a photomask, a manufacturing method of a semiconductor device and a semiconductor device. The photomask comprises a first region comprising a graphical region and a first barrier region which are alternately arranged, and a second region comprising a pseudo-graphical region and second barrier regions arranged on both sides of the pseudo-graphical region, wherein the second region is connected with the first region through the second barrier regions and the graphical regions. The photomask is adopted to expose and develop a photoresist layer; the pseudo-graphical region is arranged in the second region, so that the width of the part, which corresponds to the second region, in the photoresist layer is reduced, and the inclination of the side face of the photoresist layer is reduced when the photoresist layer is subjected to hard braking; therefore, the performance of the formed semiconductor device is further improved.

The invention provides a ray apparatus shell and a ray apparatus and relates to the technical field of ray apparatus preparation. The ray apparatus shell comprises a trough body and a positioning pressure plate, wherein slots are correspondingly formed in two opposite inner side walls of the trough body along a depth direction of the trough body; the slots are used for inserting lenses; the positioning pressure plate comprises a boss part; a positioning groove is formed in the boss part, so that the positioning pressure plate is fixed on two upper end faces of the trough body; and the groove bottom of the positioning groove pops up an upper edge of the lens, and the lens is perpendicular to the bottom surface of the groove body. An original manner of positioning the slots in the left and right side walls is modified as a manner of top and bottom positioning fixed by utilizing the bottom of the trough body and the bottom surface of the positioning groove, the tilting degree of the lensrelative to the depth of the trough body is reduced, and the tilting degree of the lens in a vertical direction is in a preset range.

The invention relates to a high-protection lifting platform which comprises a base, a scissors mechanism, a platform body and a hydraulic device. The platform body is connected to the upper end of the base through the scissors mechanism; and the hydraulic device is used for driving the scissors mechanism to move to drive the platform body to lift. The high-protection lifting platform further comprises a bottom inclination angle detection unit and a control unit. The bottom inclination angle detection unit is connected with the base and used for detecting an included angle between the base and a horizontal plane and outputting a corresponding bottom angle signal; the control unit receives the bottom angle signal and outputs a corresponding height limiting signal according to the bottom angle signal; and the hydraulic device responds to the height limiting signal to limit power output of the hydraulic device and then limit a maximum height of the platform body through the scissors mechanism. For the high-protection lifting platform disclosed by the invention, the bottom inclination angle detection unit is arranged to detect inclination of the base and measure an inclination angle of the base, the control unit limits a lifting height of the lifting platform according to the inclination angle of the base, and the larger the inclination angle of the base is, the lower the lifting height to be limited is, so that the inclination tendency of the lifting platform is reduced.

The invention discloses an intelligent multifunctional rain sheltering device matched with a landscape lamp. The intelligent multifunctional rain sheltering device comprises a base, wherein the middleof the top side of the base is fixedly connected to the lower end of a vertical tube; a plurality of transverse tubes which are uniformly distributed in the peripheral direction are arranged on the upper part of the periphery of the vertical tube; inner ends of the transverse tubes are in hinged connection to the periphery of the vertical tube; a first ring-shaped bevel gear which is fixedly connected to the vertical tube separately sleeves the periphery of a transverse tube and vertical tube hinging shaft; transverse shafts are separately mounted in the transverse tubes through bearings; inner ends of the transverse shafts are fixedly equipped with first bevel gears separately; and the first bevel gears are separately in engaged matching with the corresponding first ring-shaped bevel gears. The intelligent multifunctional rain sheltering device matched with the landscape lamp is simple in structure, is delicate in idea, is provided with a foldable rain sheltering cover, and reduces occupied space, so that rain at the top side of a rain sheltering cover can be discharged to a sewer through the vertical tube on the center, and therefore, rain is prevented from splashing to pollutetrouser legs of a user who shelters rain.

The invention relates to a semiconductor device and a manufacturing method of the semiconductor device. The method includes the steps that a semiconductor substrate is provided, and a hard mask layer is formed on the substrate; the hard mask layer is patterned to form an opening; the semiconductor substrate is etched, and conical trenches and fins located between the trenches are formed in the substrate; the conical trenches are filled with dielectric materials and flattened; part of the dielectric materials are removed through etching, and therefore the dielectric materials are made to be higher than the upper surface of the substrate; the hard mask layer is etched back to increase the critical size of the opening; part of the dielectric materials are removed through etching to make the fins exposed; the fins are etched to be divided into two sections with different inclination degrees, upper side walls and lower side walls which are different in inclination degrees are formed, and meanwhile a part of the hard mask layer is removed. The semiconductor device manufactured through the method comprises the fins with the dual inclined side walls, the heights of the fins are easier to control, and performance of the device is more stable.

The invention provides a handheld box tape-sealing device which at least comprises a shell seat, a front serrated knife, a roller and a tape fixing shaft. The shell seat comprises a head and a cover, the front serrated knife is positioned at the front end of the head, the roller is mounted in an inner cavity of the head, the tape fixing shaft is positioned in an inner cavity of the cover, the head and the cover are hinged through two elastic device, each elastic device is composed of a pin shaft, a spring and two supporting rods, each pin shaft is fixed in a hinging hole formed in a joint of the head and the cover, one end of each supporting rod is connected with the corresponding pin shaft while the other end of the same is connected with the corresponding spring, each spring and the corresponding supporting rods form a triangular structure, each two corresponding supporting rods are fixedly connected with the head and the cover respectively, the upper surface of the cover is a cambered surface which is bent upward and is in arc transition with a side wall plate of the cover, and the head inclines inward by 30 degrees along the arc direction of the cover. The elastic devices are added on two sides of the inner cavity of a device body to change angle of the head to enable the roller to press and stick a tape on a side box more easily for sealing, so that fatigue degree of wrists and arms is reduced.

The invention provides a nondestructive detection device. The device comprises a mounting plate, detection mechanisms arranged on the mounting plate, adsorption crawling mechanisms, damping mechanisms, and a signal control mechanism, wherein the mounting plate is provided with a first side surface, a second side surface, a first surface and a second surface; each detection mechanism comprises a magnetic memory detection unit which can adhere to a detection surface for acquisition of magnetic memory signals; each adsorption crawling mechanism comprises a crawling assembly and a driving assembly, and the driving assembly can drive the crawling assembly to carry out adsorption crawling along the detection surface; the adsorption crawling mechanisms are rotatably arranged on the first side surface and the second side surface; each damping mechanism comprises a first guiding piece and an outer frame, and the first guiding piece is arranged in the frame, penetrates the mounting plate in thedirection from the first surface to the second surface, and is sleeved by a first elastic piece; and the signal control mechanism comprises an acquisition assembly and an adjustment and control assembly. The detection device provided by the invention has the advantages that the magnetic memory signals can be stably acquired through the magnetic memory detection technology, so that automatic detection can be achieved without production suspension and tank opening.

The invention discloses an automatic tire pressurizing method and device capable of preventing lateral inclination. The method includes the steps that 1, a steering wheel angle and tire pressure of all wheels are acquired in real time; and 2, when the steering wheel angle exceeds a preset value, a vehicle steering direction is judged according to the steering wheel angle, and the tire pressure ofthe wheels is controlled according to vehicle steering direction; when the vehicle steering direction is leftward, the tire pressure of the wheels on the left side is increased, and meanwhile, the tire pressure of the wheels on the right side is reduced; when the steering wheel angle is smaller than the preset value, the tire pressure of the wheels on the two sides is recovered; and when the vehicle steering direction is rightward, the tire pressure of the wheels on the right side is increased, meanwhile, the tire pressure of the wheels on the left side is reduced, and when the steering wheelangle is smaller than the preset value, the tire pressure of the wheels on the two sides is recovered. The tire pressure of the wheels on the steering side is increased, so that the sizes of the wheels on the steering side are increased within a proper range, the radius of each corresponding wheel is correspondingly increased, so that the steering side of a vehicle body is heightened, the height difference between the left side and the right side of the vehicle body is reduced, the riding comfort is improved, and vehicle lateral inclination accidents are reduced.