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30results about How to "Increase the degree of bending" patented technology

Small double-layer parking device with no avoidance at side position

The invention belongs to the technical field of stereo parking equipment, and particularly relates to a small double-layer parking device with no avoidance at a side position. The small double-layer parking device comprises an upper-layer parking device, a sliding block device, a stand column frame, a driving device, a push rod device and a lower-layer parking mechanism. The upper-layer parking device comprises bending rod mechanisms, a vehicle carrying frame and an upper-layer vehicle carrying plate. Four corner bottoms of the vehicle carrying frame are hinged to one ends of the four bendingrod mechanisms correspondingly. The other ends of the four bending rod mechanisms are hinged to the upper-layer vehicle carrying plate. The four corners of the vehicle carrying frame are connected with the stand column frame through the sliding block device. The driving device is connected with the sliding block device and is used for controlling the upper-layer parking device to ascend and descend as a whole. The push rod device is arranged on the ground on one side of the stand column frame, is connected with the upper-layer vehicle carrying plate, and is used for pushing the upper-layer vehicle carrying plate out of the stand column frame. The small double-layer parking device has the advantages of being simple and convenient to install, small in occupied space and stable in vehicle ascending and descending control and facilitating vehicle leaving and entering.
Owner:SICHUAN UNIV

Flexible bending center

The invention discloses a flexible bending center, and belongs to the technical field of bending machines. The flexible bending center comprises a bending assembly and a positioning assembly, the bending assembly comprises a downward pressing cross beam, downward pressing hydraulic rods, cutter frames, downward pressing cutters, an upward pressing assembly, a compensation hydraulic rod, an upward pressing base plate and supporting cross beams; the cutter frames are correspondingly arranged on the two sides of the bottom end of the downward pressing cross beam, the downward pressing cutters are arranged on the cutter frames, the downward pressing hydraulic rods are arranged at the ends, away from the cutter frames, of the downward pressing cross beam, cylinder parts of the downward pressing hydraulic rods are fixedly connected with the upward pressing base plate, the output ends of the downward pressing hydraulic rods are fixedly connected with the downward pressing cross beam, a plurality of compensation hydraulic rods are arranged on the upward pressing base plate, a downward pressing assembly is arranged at the output end of the compensation hydraulic rod, the upward pressing assembly is located below the downward pressing cutter, and the supporting cross beams are arranged on the two sides of the upward pressing base plate. The flexible bending center has the effect of accurately bending flexible materials.
Owner:QINGDAO SHENGTONG MECHANICAL TECH

Mechanical pre-pressing machine adjustable in pre-pressing stroke for leaf spring

InactiveCN112264491AExpected bending effectIncrease lift strokeVehicle componentsClassical mechanicsEngineering
The invention relates to the field of leaf spring machining, in particular to a mechanical pre-pressing machine adjustable in pre-pressing stroke for a leaf spring. The mechanical pre-pressing machinecomprises a portal frame body erected on the ground, a frame body vertically ascends and descends in the portal frame body, the center of the bottom of the frame body is open, and a circle of embedding groove is vertically formed in the inner wall of the frame body in an inwards-concave mode; a pair of bearing blocks used for bearing the leaf spring to be machined are horizontally arranged in thepositions, located at openings in the two ends of the frame body, of the inner wall of the embedding groove in a sliding mode, first lead screws are detachably installed on the side walls of the twobearing blocks, and the peripheral sides of the first lead screws are horizontally arranged in the frame body in a threaded and penetrating mode; and driving pieces for driving the two bearing blocksto move in the same direction or opposite directions are arranged on the outer wall of the frame body. The mechanical pre-pressing machine has the effect that use universality of the pre-pressing machine is improved so that steel plate springs of various types can be machined.
Owner:湖北东风钢板弹簧有限公司

High-precision guide rail correction device

The invention relates to a high-precision guide rail correction device and belongs to the technical field of high-precision correction devices. The high-precision guide rail correction device comprises a base, wherein a correcting groove for accommodating and being propped against a guide rail is formed in the base in the length direction of the base in a penetrating manner; a correcting block isvertically arranged on the inner wall of one side of the correcting groove in a sliding manner; the two sides of the correcting block are propped against the side walls of the guide rail and the sidewalls of the correcting groove; the side wall, far away from one side of the correcting block, of the correcting groove is propped against the other side wall of the guide rail; an adjusting bolt is jointly connected between the correcting block and the base, vertically penetrates through the base, is in threaded connection with the base and drives the correcting block to vertically move up an down; and when the correcting block moves upwards, the correcting block moves towards one side of the guide rail. According to the high-precision guide rail correction device, through matching of the correcting block and the base, and under driving of the adjusting bolt, the correcting block simultaneously moves in the vertical and horizontal directions to replace the traditional manner that the guide rail is manually broken off, and the problem about correcting precision caused by unbalanced force application is solved.
Owner:深圳市强华科技发展有限公司

Finger strength exerciser for fracture rehabilitation and exercising method

The invention relates to the technical field of finger exercise equipment, in particular to a finger strength exerciser for fracture rehabilitation and an exercise method. Aiming to solve the technical problem that the flexibility is inconvenient to recover through slow exercise after a finger takes off gypsum, the invention provides a finger strength exerciser for fracture rehabilitation. The exerciser comprises a palm block, a semi-ring groove is formed in the surface of the palm block and close to the two-thirds position of the top; the two sides of the inner wall of the semi-ring groove are connected through arc-shaped rods, rotating sleeves movably sleeve the arc-shaped rods, palm center bent plates are fixedly connected to one sides of the surfaces of the rotating sleeves, and one sides of the inner walls of the palm center bent plates are movably connected with the palm block. According to the invention, the five fingers are placed on the five finger exercisers respectively; when the fingers are gradually and slowly bent, the finger joints at the tail ends are firstly bent, the elastic pieces can be slowly bent; if the fingers exert insufficient force, the fingers can be lifted up, the fingers can be moved in the lifting process, and therefore, the fingers can be assisted in recovering flexibility.
Owner:文汉

Monocrystal silicon wafer flocking process liquid and preparation method thereof

The invention discloses monocrystal silicon wafer flocking process liquid and a preparation method thereof. The monocrystal silicon wafer flocking process liquid contains the following raw materials in parts by weight: 62-86 parts of industrial pure water, 5-15 parts of electronic-grade potassium hydroxide, 5-15 parts of CP-grade high-radix loop materials and 4-8 parts of electronic-grade sodium silicate. The preparation method of the monocrystal silicon wafer flocking process comprises the following steps: adding 10-30 parts of industrial pure water and 5-15 parts of electronic-grade potassium hydroxide or sodium hydroxide or the mixture of the two into a reactor, stirring and dissolving; adding 5-15 parts of CP-grade high-radix loop materials, stirring and dissolving; adding 4-8 parts of electronic-grade sodium silicate or potassium silicate or the mixture of the two, stirring and dissolving; adding 32-76 parts of hot pure water of 50-80 DEG C, stirring; and naturally cooling and packaging. The monocrystal silicon wafer flocking process liquid adopted the technical scheme has the advantages of removing monocrystal silicon wafer piebald, improving conversion efficiency of batteryplates, lowering production cost of flocking surface and improving quality stability of the flocking surface.
Owner:YANGZHOU HANYUAN NEW MATERIAL TECH

A high-precision guide rail correction device

The invention relates to a high-precision guide rail correction device, which belongs to the technical field of high-precision correction devices. It includes a base, and a correction groove for accommodating and touching the guide rail is formed through the base along its length direction. The inner wall of one side of the correction groove is vertically slid. There is a correction block, the two sides of the correction block are respectively in conflict with the side wall of the guide rail and the side wall of the correction groove, and the side wall of the correction groove away from the correction block is in conflict with the other side wall of the guide rail; the correction block and the base are jointly connected with An adjustment bolt, the adjustment bolt vertically penetrates the base and is threadedly connected with the base, the adjustment bolt drives the correction block to move vertically up and down, and when the correction block moves upward, the correction block moves toward the side of the guide rail. Through the cooperation between the correction block and the base, the invention realizes the simultaneous movement of the correction block in the vertical direction and the horizontal direction under the drive of the adjustment bolt, replaces the traditional way of breaking the guide rail by hand, and solves the problem of correction accuracy caused by unbalanced force .
Owner:深圳市强华科技发展有限公司

Bending device for plastic processing and capable of achieving double-face bending

The invention discloses a bending device for plastic processing and capable of achieving double-face bending. According to the technical scheme, the bending device is characterized in that a double-face bending mechanism and an effect improving mechanism are arranged on a machine shell, a first driving part, a fixing plate and a first clamping part are arranged in the double-face bending mechanism, and a first transmission part is arranged on the fixing plate; and the first transmission part is movably connected with the first clamping part through a transmission strip plate, the effect improving mechanism comprises a second driving part and a second clamping part, and the second driving part is fixedly connected with the second clamping part through a second rotating shaft. The bending device is provided with the double-face bending mechanism, double-face bending is carried out on rubber through the double-face bending mechanism, the bending effect can be improved, bending experiments can be carried out on the two faces of the rubber, and therefore more complete experimental data are obtained; and the bending degree is increased or decreased in the rubber bending process through the effect improving mechanism, so that the bending effect is improved, and the efficiency of a bending experiment is improved.
Owner:深圳市辉鹏达科技有限公司

Monocrystal silicon wafer flocking process liquid and preparation method thereof

The invention discloses monocrystal silicon wafer flocking process liquid and a preparation method thereof. The monocrystal silicon wafer flocking process liquid contains the following raw materials in parts by weight: 62-86 parts of industrial pure water, 5-15 parts of electronic-grade potassium hydroxide, 5-15 parts of CP-grade high-radix loop materials and 4-8 parts of electronic-grade sodium silicate. The preparation method of the monocrystal silicon wafer flocking process comprises the following steps: adding 10-30 parts of industrial pure water and 5-15 parts of electronic-grade potassium hydroxide or sodium hydroxide or the mixture of the two into a reactor, stirring and dissolving; adding 5-15 parts of CP-grade high-radix loop materials, stirring and dissolving; adding 4-8 parts of electronic-grade sodium silicate or potassium silicate or the mixture of the two, stirring and dissolving; adding 32-76 parts of hot pure water of 50-80 DEG C, stirring; and naturally cooling and packaging. The monocrystal silicon wafer flocking process liquid adopted the technical scheme has the advantages of removing monocrystal silicon wafer piebald, improving conversion efficiency of battery plates, lowering production cost of flocking surface and improving quality stability of the flocking surface.
Owner:YANGZHOU HANYUAN NEW MATERIAL TECH

Multi-layer module superposition wax mold structure and method for efficiently preparing single crystal blade by using same

The invention provides a multi-layer module stacking wax mold structure and a method for efficiently preparing a single crystal blade through the multi-layer module stacking wax mold structure, and relates to the technical field of aero-engine blade precision casting. The invention provides a multi-layer module stacking wax mold structure. The multi-layer module stacking wax mold structure comprises a pouring system wax mold, a blade wax mold, a crystal selector wax mold and a chilling plate wax mold which are sequentially connected from top to bottom. The blade wax mould comprises a plurality of layers of blade wax moulds which are sequentially connected from top to bottom. Under the condition of ensuring the same production capacity of the blade, the module diameter is effectively reduced, and the size requirements on the chilling plate and the directional solidification furnace cavity are reduced; the temperature field distribution in the directional solidification process is obviously improved by reducing the diameter of the module, the uniformity of a transverse temperature field is improved, the isotherm bending degree is reduced, and the front edge temperature gradient of a solid-liquid interface is improved; the defects of the single crystal blade are obviously reduced, the tendency of mixed crystal generation at the transition section and the platform is reduced, and the qualified rate of mass production of the single crystal blade is effectively improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
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