60results about How to "Will not distort" patented technology

The invention discloses a speed reducer testing equipment which is used for testing the return difference and the elastic constant of a speed reducer to be tested. The speed reducer testing equipment comprises a support platform, and a servo motor, an input rotating wheel, an output rotating wheel, load equipment and an angle sensor which are arranged on the support platform, wherein an output shaft of the servo motor is connected with one of a first side shaft and a second side shaft, which are opposite, of the input rotating wheel so as to drive the input rotating wheel to rotate around a first rotating shaft defined by the first side shaft or the second side shaft; the speed reducer to be tested and the angle sensor are respectively connected with a third side shaft and a fourth side shaft, which are opposite, of the output rotating wheel; the output rotating wheel is meshed with the input rotating wheel to further synchronously rotate around a second rotating shaft which is defined by the third side shaft or the fourth side shaft and parallel to the first rotating shaft; the angle sensor is used for obtaining a torque angle of the speed reducer to be tested. Due to the adoption of the mode, according to the speed reducer testing equipment disclosed by the invention, the angle measurement precision of the speed reducer to be tested is improved.

The invention relates to the field of display screens, in particular to a display device. The display device comprises a displayer provided with a display surface and a frame. An optical microlens array including a plurality of microlenses is arranged above the displayer. Light rays emitted from the displayer are irradiated into the optical microlens array from positions near to focal plane positions of the microlenses in the optical microlens array. A scattering screen is arranged above the optical microlens array. The display device has the advantages that the optical microlens array and the scattering screen are arranged on the surface of the displayer additionally, and image information from the displayer are shifted and amplified and can cover the frame of the displayer to shield the frame of the displayer, so that splicing seams among splicing units can be eliminated completely when the display device is applied to a spliced display screen, seamless splicing is achieved, and display images are complete, continuous and free from split sensation; on the basis of the scattering effect of the scattering screen, the complete and continuous image information can be still viewed and does not distorted when being viewed from wide angles.

The invention provides a solar cell series welding system. The solar cell series welding system comprises a flat welding strip feeding device, a solar cell feeding device, a special-shaped welding strip feeding device, a welding platform and a heating device. The special-shaped welding strip feeding device comprises a first moving module and tongs installed on the first moving module. The tongs comprise grabbing pieces with first positioning grooves and first pressing pins. The welding platform comprises a body with second positioning grooves and first adsorption air holes. After special-shaped welding strips are put into the first positioning grooves of the tongs, the first pressing pins press the special-shaped welding strips, the first moving module drives the tongs to move and carry the special-shaped welding strips to the second positioning grooves of the body, and second adsorption air holes in the bottoms of the second positioning grooves adsorb the special-shaped welding strips. Solar cells are carried to the body and are adsorbed by the first adsorption air holes, and the special-shaped welding strips are aligned to interconnected electrodes on one faces of the solar cells. Flat welding strips are carried to the solar cells and are aligned to interconnected electrodes on the other faces of the solar cells.

The present invention provides a coating scraper and a coating apparatus for photocuring rapid prototyping, the coating scraper is an integrated structure, and includes a mounting beam and a scraper body connected with the mounting beam, the scraper body is provided with a downwardly-opening long groove, and edges are arranged on two sides along the longitudinal direction of the long groove. The integrated-structure coating scraper is light in weight, easy to adjust and easy to assemble and reduces the cost.

The invention belongs to a fast-curing casting resin for bathroom accessories and a preparing method and a using method thereof. In the fast-curing casting resin for the bathroom accessories, o-phenyl type unsaturated polyester resin is used as a matrix resin; and the fast-curing casting resin comprises the following materials in percentage by weight: 18 to 22 percent of o-phenyl type unsaturated polyester resin, 28 to 32 percent of 200-mesh calcium carbonate, 22 to 26 percent of 300-mesh calcium carbonate, 14 to 18 percent of quartz sand and 15 to 10 percent of white micro-bead. A small amount of additive is also added into the formula, and the additive comprises an accelerating agent, a low contraction agent and a curing agent, wherein the addition of the accelerating agent is 0.2 to 0.8 percent of the weight of the o-phenyl type unsaturated polyester resin, the addition of the low contraction agent is 1 to 1.1 percent of the weight of the o-phenyl type unsaturated polyester resin, and the addition of the curing agent is 1.6 to 2.2 percent of the weight of the o-phenyl type unsaturated polyester resin. The demolded semi-finished product of the casting resin does not need the steps of pressing and re-curing, so the energy consumption is greatly reduced. Meanwhile, the surface of the semi-finished product is hardly scratched, and at least 50 percent of labor can be saved.

The invention discloses a method for sintering a manganese zinc ferrite magnetic material in combination of microwave and electric heating. The sintering method comprises the following steps: firstly, raising the temperature from room temperature to 180-210 DEG C by adopting a microwave heating mode, keeping the temperature, heating to 380-410 DEG C by adopting the microwave heating mode, then keeping the temperature, heating to 780-810 DEG C by adopting a traditional silicon carbide rod heating mode, heating to 1180-1210 DEG C by adopting a traditional silicon molybdenum rod heating mode, then raising the temperature to 1330-1380 DEG C by adopting the microwave heating mode, keeping the temperature, cooling to below 150 DEG C, and then discharging. The method has the advantages that the heating time is greatly shortened, the aim of saving energy and reducing consumption is achieved, and the high pass percent of the product is effectively guaranteed; the method is suitable for sintering of the manganese zinc ferrite magnetic material.

The invention provides a detachable throw-in type liquid transmitter, comprising a base, a front sleeve, waterproof rubber rings, a middle sleeve, a male joint, a locking ring, a female joint, a back sleeve, an electric wire signal chuck, a gasket and a pressing nut. The base is threadedly connected the front sleeve, the front sleeve is threadedly connected the middle sleeve, and the male joint is threadedly connected the female joint; the locking ring is located on the outer walls of the male joint and the female joint and locks the male joint and the female joint; the electric wire signal chuck is arranged in the head of the back sleeve; the pressing nut is threadedly connected the back sleeve; the waterproof rubber rings are respectively arranged between the base and the front sleeve, between the front sleeve and the middle sleeve, between the middle sleeve and the male joint, between the male joint and the locking ring, between the female joint and the back sleeve, between the back sleeve and the electric wire signal chuck, and between the electric wire signal chuck and the pressing nut; the size of each waterproof rubber ring is matched with the size of ports where the waterproof rubber rings are located; the corresponding gaskets are respectively arranged between the locking ring and the female joint, and between the back sleeve and the pressing nut; an electric wire passes through the back sleeve through an electric wire signal inclined joint which is arranged on the male joint and then passes through from the electric wire signal chuck; and an assorted sensor and a circuit board are fixedly arranged in the middle sleeve. The detachable throw-in type liquid transmitter provided by the invention has practical values.

The invention discloses a sealing ring take-out device. The sealing ring take-out device comprises a sealing ring in-place mechanism and a sealing ring take-out mechanism, wherein the sealing ring in-place mechanism comprises an in-place pedestal and a floating assembly; a take-in slot is formed in the in-place pedestal; a passing hole is formed in the slot wall of the take-in slot; a plurality ofsealing ring supporting blocks are arranged on the hole wall of the passing hole; the floating assembly comprises a floating lifting rod and a floating elastic part; one end, in the take-in slot, ofthe floating lifting rod is equipped with a sealing ring positioning blocking block; the sealing ring positioning blocking block is provided with a sealing ring charge slot and a sealing ring blockingslot; and the sealing ring take-out mechanism comprises a lifting translation assembly, a lifting translation sleeve, a splicing drive part, a movable splicing rod and a plurality of fixed pressing-holding blocks. The sealing ring take-out device enables a sealing ring to be free of twisting deformation in a process of taking out the sealing ring.

A rotating axle of a folded mobile phone includes a host a turnover cover connecting with the host by the axle, electric connection is realized by a flexible PC (FPC) through the axle hole between the host and the turnover cover, an axle sleeve containing the FPC is set in the holes. The FPC is fixedly connected with the sleeve which is fixedly connected with the turnover axle hole, the sleeve is connected dynamically with the host. This invention fixes the FPC, the sleeve and turnover cover together, or makes the sleeve and the turnover as one unit, friction will not occur between the host and turnover and only curvature but not tortion may happen there is no gap between FPC and the sleeve hole, so the width of FPC can be increased.

The invention provides a plane-curved-surface variable OLED screen and a notebook computer. The plane-curved-surface variable OLED screen comprises a bearing steel plate, an OLED display assembly, a silica gel assembly, an inflation and deflation assembly and an opening and closing rotating shaft. The bearing steel plate can be bent and deformed after being pressed; the OLED display assembly is arranged on a front panel of the bearing steel plate in an attached mode, and the OLED display assembly deforms along with deformation of the bearing steel plate; the silica gel assembly is arranged ona rear panel of the bearing steel plate, and a plurality of closed cavities are formed in the silica gel assembly; the inflating and deflating assembly is communicated with the closed cavity and is used for controlling the internal air pressure of the closed cavity; and the bearing steel plate is arranged on the opening and closing rotating shaft. Through cooperation of the bearing steel plate, the OLED display assembly, the silica gel assembly, the inflation and deflation assembly, the opening and closing rotating shaft and other structures, a curved screen can be arranged on a notebook computer with a small size, and conversion of the screen between a curved surface and a plane can be achieved.

The invention relates to the technical field of coal mining equipment, and discloses a cantilever type heading machine for coal mining. The cantilever type heading machine includes a connecting seat,a cutting seat is arranged at the top of the connecting seat, and the inner wall of the cutting seat is connected with an elastic part. The inner wall of a feed control groove is inclined, when cutting teeth are subjected to huge axial force in the left direction, a movable part provides radial force for a feed clamping ring for radial deformation, the inner space of the feed clamping ring is enlarged and separated from the feed control groove, the movable part can move to the left inside the feed clamping ring, then the cutting teeth automatically slide into the cutting seat, the feed amountof the cutting teeth is reduced, and the purpose of changing the feed amount of the cutting teeth is realized according to the hardness of a roadway inner wall rock layer and a coal seam; and the feedamount of the cutting teeth can be changed, the cutting teeth can conduct cutting and breaking according to layers with different hardness, the wear rate of the cutting teeth is low, frequent shutdown is not required to replace the cutting teeth, and the working efficiency of the heading machine is improved.

The invention discloses a door seal for a refrigerator and the refrigerator comprising the same. The door seal for the refrigerator comprises an installing part and a sealing part, wherein the installing part is connected with the lower surface of the sealing part, and the sealing part comprises an outer air bag, an inner air bag and a containing cavity used for containing a magnetic body. In the section of the door seal, the inner air bag is adjacent to the outer air bag and is positioned at the inner side of the outer air bag, and the containing cavity is positioned on the outer air bag and is adjacent to the outer air bag. The containing cavity is adjacent to the inner air bag and is positioned on the outer side of the inner air bag, and the top wall of the containing cavity and the top wall of the inner air bag are horizontal straight walls. The door seal for the refrigerator has the advantages of strong non-deformability, increasing the sealing performance of the refrigerator, reducing the power consumption of the refrigerator and the like.

The invention provides a three-point fixing type radio frequency laser, comprising a radio frequency laser and three fixing fulcrums for fixing the radio frequency laser, and characterized by possessing the three fulcrums and a three-fulcrum flexible fixing structure.

The invention discloses a control system of an intelligent lock driving motor. The control system comprises a CPU module, a driving module, a touch key module, a power supply module and a switch detection module, the CPU module is connected with the driving module, the touch key module and the switch detection module, and the power supply module supplies power to each module; the CPU module comprises a chip U2, and the model of the chip U2 is PIC16F1827. The control system has the following advantages that locked-rotor is controlled by detecting the running state (whether the motor rotates ornot) of the motor instead of detecting the current, the working current only needs to be 200-500 mA according to the resistance of the lock body, and the motor is in a full-power working state all thetime before running in place.