37results about How to "Low operating precision requirements" patented technology

The invention discloses a method and device for unlocking a terminal. The method comprises the steps that in a screen turn-off state, multiple touch operations on a terminal screen are acquired; the quadrant and input sequence of the touch operations are determined; whether the quadrant and input sequence of the touch operations are consistent with those of pre-stored code touch operations or not is judged, and if yes, unlocking is carried out. According to the method and device, an unlocking code can be correspondingly input at the fuzzy position of the terminal under the condition that the screen is not turned on, so that the code is input more easily, the imperceptibility of code input is good, and therefore the code safety is improved.

The invention relates to a pressing molding machine for hollow bricks. The pressing molding machine comprises a combined supporting frame. A left supporting support is arranged on the left side of the upper end face of the combined supporting frame. A brick conveyor is arranged on the left supporting support. A motor is further arranged on the left portion of the upper end face of the combined supporting frame. A shaft of the motor is sleeved with a drive gear. A brick supporting hydraulic cylinder is arranged on the upper end face of the combined supporting frame. A brick supporting plate is arranged on the brick supporting hydraulic cylinder. A right supporting support is arranged on the right side of the brick supporting hydraulic cylinder. A vertical rod is arranged in the middle of the combined supporting frame. A bearing plate is arranged in the middle of the vertical rod. A brick outlet is formed in the left portion of the bearing plate. Two sliding rails which are parallel in a front-and-back manner are arranged on the top of the vertical rod. A material removing plate is arranged at the right ends of the sliding rails. A brick pressing device is arranged on the sliding rails. A die pushing device is arranged on the upper right side of the combined supporting frame. According to the pressing molding machine for the hollow bricks, the manner that a hydraulic cylinder is used for directly pressing brick molding raw materials in the prior art is changed, instability of the forming quality and the forming size of the bricks is lowered, and the requirement for operation accuracy of the hydraulic cylinder of the pressing molding machine is lowered.

The invention discloses a surface-mounted type LED (light-emitting diode) bracket, a surface-mounted type LED and manufacture methods of the surface-mounted type LED (light-emitting diode) bracket and the surface-mounted type LED. The surface-mounted type LED bracket comprises an anode metal substrate, a cathode metal substrate, and a plastic body which partially covers the anode metal substrate and the cathode metal substrate; the plastic body is arranged on the upper lateral surfaces of the anode metal substrate and the cathode metal substrate to form a bowl cup; an anti-overflow step is arranged at the position at the top part of the bowl cup and adjacent to the lateral wall of the bowl cup; the anti-overflow step at least comprises a first height part and a second height part, which are not equal in height; the first height part is higher than the top part of the bowl cup; the second height part is higher than or as high as the top part of the bowl cup, and the first height part and the second height part form a step surface of the anti-overflow step in the direction adjacent to the lateral wall of the bowl cup. By this mode, the surface-mounted type LED bracket can effectively prevent the plastic body from overflowing during dispensing, and the production cost is lowered by reducing the demand on the dispensing accuracy.

The invention relates to a transverse pushing and longitudinal pressing mechanism for a hollow brick pressing forming machine. The transverse pushing and longitudinal pressing mechanism comprises two parallel sliding rails. A lower pressing mold is arranged between the sliding rails. Rectangular brick pressing convex blocks are evenly distributed on the lower end face of the lower pressing mold. Baffle plates are arranged at the left end of the lower pressing mold. The upper end face of the lower pressing mold is an inclined face, and the included angle between the upper end face of the lower pressing mold and a horizontal plane is an acute angle. Wing arms are fixed to the front end face and the rear end face of the lower pressing mold, and springs are arranged on the lower end faces of the wing arms. An upper pressing mold is arranged above the lower pressing mold, and the lower end face of the upper pressing mold is an inclined face parallel to the upper end face of the lower pressing die. A sliding sleeve is arranged above the right side of the upper pressing mold, sliding columns pass the sliding sleeve, and a check block is fixed to the left ends of the sliding columns. The check block is mounted on a side supporting plate, and a damping spring is arranged between the right end face of the check block and the left end face of the sliding sleeve, and connected with a pressure sensor. The method that the vertically compressing brick manufacturing raw materials through a hydraulic cylinder is adopted to form bricks in the prior art is improved, and the instability of the forming quality and forming size of the bricks is reduced.

The invention discloses a high-density type parallel transmission optical device which is applicable to a CXP encapsulating and plug type optical device and a CXP active optical cable (AOC), wherein the CXP encapsulating and plug type optical device and the CXP AOC are applied to data communication currently. The high-density type parallel transmission optical device comprises a transmitting PCB, a receiving PCB, a multi-path transmitting chip, a multi-path receiving chip, a transmission driving chip, a receiving amplifying chip, multi-path lens arrays, sealing cover plates and a connecting line, wherein the number of the multi-path lens arrays is two, and the number of the sealing cover plates is two. The high-density type parallel transmission optical device is characterized in that the parallel transmission optical device further comprises a changeover array optical fiber jumper assembly. The high-density type parallel transmission optical device is capable of effectively reducing the surface-mounting accuracy requirements of the multi-path transmitting chip and the multi-path receiving chip to further reduce encapsulating difficulty, effectively solving the signal crosstalk problem and the radiating problem, and improving the performance stability.

The invention provides an automatic production method of an electric toothbrush, comprising the following steps: S1, preparing parts: providing a bracket, a drive mechanism, a power supply mechanism, a control mechanism, a handle and a toothbrush head, so that the drive mechanism includes a motor, a first contact rod and The second contact rod; S2. Assembling the core components: positioning the bracket, clamping the motor to the bracket, and then clamping the control mechanism to the bracket, and erecting and touching the first contact rod and the second contact rod, so that the motor and the second contact rod The control mechanism is electrically connected, and the power supply mechanism is clamped to the bracket so that the power supply mechanism and the control mechanism are electrically connected; S3. Assembling the electric toothbrush: put the core component into the handle, set the toothbrush head on the bracket, and fix it on the handle to Complete the assembly of the electric toothbrush. The assembly method directly realizes the electrical connection between the control mechanism and the motor through the clamping operation of the control mechanism and the bracket, without the step of electric wire welding, the installation steps are simple, and the assembly is convenient and fast.

The invention relates to an self-adaptive penetrating and deploying attachment device for attaching to the surface of a space target, comprising: a nose cone, a spear body skeleton, a barb shaft, a first barb, a second barb, a baffle sleeve, a stopper Ejector rod, rear end cover, torsion spring; the tail of the nose cone is installed in the lance body skeleton; the barb shaft is introduced from the pin hole on one side of the lance body skeleton, and passes through the end mounting hole of the second barb and the torsion spring and the end mounting hole of the first barb, and enter the pin hole on the other side of the lance frame; the end with the smaller diameter of the lance frame is inserted into the baffle sleeve and can slide in the baffle sleeve, and the baffle sleeve The lugs at the end of the barrel block the ends of the first barb and the second barb; the limit push rod penetrates through the other end of the baffle sleeve and is installed at the end of the spear body with a smaller diameter, and the rear end cover is installed into the port on the other end of the baffle sleeve. The invention solves the problem of micro-damage capture of large space debris, on-orbit maintenance and off-orbit operation of faulty satellites.

The invention discloses an integral die-forging method for frogs. The integral die-forging method comprises the steps of cogging, pre-forging and finish-forging, wherein during the cogging, original blanks heated to reach an initial forging temperature are pre-allocated in the axial direction through cross wedge rolling to obtain blanks; during the pre-forging, the blanks heated to reach the initial forging temperature are prefabricated through die-forging to obtain prefabricated blanks; and during the finish-forging, the prefabricated blanks heated to reach the initial forging temperature areforged through the die-forging to obtain the frogs. According to the method disclosed by the invention, formation is realized in the manner of cross wedge rolling cogging, die-forging pre-forging anddie-forging finish-forging, and after the cross wedge rolling cogging and the die-forging pre-forging, the form of the mass distribution of the prefabricated blanks is gradually converted to the formsimilar to the finish-forged pieces, of a plurality of the prefabricated blanks at the two ends and a few of the prefabricated blanks at the middle in the axial direction, and a plurality of the prefabricated blanks at the two sides and a few of the prefabricated blanks at the middle in the section direction, from the uniform-section form of the original round-rod-shaped blanks; the tendency of slip of the blanks due to instability during the pre-forging is reduced through the matching of the columnar characteristic of the blanks and the guide characteristic of the pre-forged die cavities; and the integral die-forging method is high in axial machining accuracy and material utilization rate, stable in process, and capable of realizing integral die-forging for the frogs under a low tonnage.

The invention relates to the field of prestressed high-strength concrete pipe pile structures of civil engineering pile foundations, in particular to a pile connection structure and cap anchorage structure using PHC pipe piles. A number of steel sleeves are arranged on the lower end surface of the end plate, and connecting pipes are arranged between the lower parts of adjacent steel sleeves. There is a through hole that allows the prestressed steel rod to penetrate, and the end of the prestressed steel rod that penetrates the steel sleeve is matched with the bottom surface of the steel sleeve, and a grouting hole is distributed radially inside the end plate and A pulp hole. The invention can be used not only for the anti-pull connection of the PHC pipe pile body, but also for the reliable connection between the PHC pipe pile and the cap, and can adapt to the prefabricated and assembled construction rhythm of the cap. It overcomes the shortcomings of end plate welding connection and mechanical connection, and has low requirements for pile connection operation accuracy, which is suitable for complex engineering situations and the effect is guaranteed.