36results about How to "Increase the twist angle" patented technology

The invention discloses a bimetallic strip saw blade with a 2 / 3T variable-tooth-dividing-amount torsion tooth form. The bimetallic strip saw blade with the 2 / 3T variable-tooth-dividing-amount torsiontooth form comprises a rack body, wherein a plurality of saw teeth are distributed on the rack body; the saw teeth are arranged in groups in the length direction of the rack body; each group of the saw teeth is combined by five divided teeth which are a middle guide tooth, a left divided tooth I, a right divided tooth I, a left divided tooth II and a right divided tooth II separately; the tooth dividing amount of each group of the saw teeth is a variable tooth dividing amount, wherein the tooth dividing amount F1 of the left divided tooth I is equal to 0.24-0.26mm, the tooth dividing amount F2of the left divided tooth II is equal to 0.40-0.42mm, the tooth dividing amount F3 of the right divided tooth I is equal to 0.40-0.42mm, the tooth dividing amount F4 of the right divided tooth II isequal to 0.24-0.26mm, the tooth dividing height B of each group of the saw teeth is equal to 2.4-2.6mm, the torsion angle theta of each divided tooth is equal to 4-6 degrees, a tooth groove formed between each two adjacent divided teeth is arc-shaped, and the radius R of each tooth groove is equal to 2.4-3.9mm. By using the bimetallic strip saw blade with the 2 / 3T variable-tooth-dividing-amount torsion tooth form for cutting plates and rods made from titanium alloy and nickel-based high-temperature alloys, the cutting efficiency can be increased by 30%-40%, and the service life of the strip saw blade is prolonged by 20%-30%.

The invention discloses a micro reflector array manufacturing method which is used for manufacturing micro reflector array with high fill factors, big-angle torsion and big array. The method adopts bulk-silicon MEMS processing technology, a vertical comb driving mode, wafer bonding technology and etching technology and is characterized in that the wafer is bonded after a middle driver layer is processed, a layer of reflector surface is covered above the driver layer; on the basis, a deep etching release technology is adopted to release a shore reserved in the driver layer to realize micro reflector torsion, thus realizing the purpose of driving with high fill factors, big-angle torsion and low voltage.

The present invention discloses a rotating and twisting device of an optical fiber image inverter which is a device with braking function, simplicity and practical utility, thus realizing rotational heating and twisting of the optical fiber composite silk rod from beginning to end, overcoming the defects of uneven heating, easy cracking and severe distortion due to falling deviation of a workpiece in an ordinary twisting method of an optical fiber image inverter, and dramatically enhancing the qualified rate of the product quality. The device has the advantages of simplicity, practical utility, low cost of manufacture and easy operation.

The embodiment of the invention relates to the technical field of accelerometers, in particular to a three-axis accelerometer which comprises a substrate and two first anchor points symmetrically arranged on the substrate, the substrate is further provided with a Z-axis detection structure, the Z-axis detection structure comprises a Z-axis mass block, the Z-axis mass block is provided with a cavity, and the Z-axis mass block is provided with a second anchor point. The two first anchor points are symmetrically arranged on the two opposite sides of the cavity in the first direction. The torsion beam is located in the cavity, the first anchor point is connected with the side wall of the Z-axis mass block in the first direction through the torsion beam, the torsion beam coincides with the center line of the cavity, and the torsion beam deviates from the center line of the Z-axis mass block in the first direction; the X-axis detection structure and the Y-axis detection structure are located in the cavity. According to the embodiment of the invention, the detection precision of the triaxial accelerometer can be improved.

The invention provides a large flexible torsion spring with adjustable stiffness for steering gear loading, which includes a torque input interface, a torque output interface, a torsion plate assembly and an isolation frame assembly; the torsion plate assembly includes M elastic elements, and M is greater than 1 is a positive integer, the spacer assembly includes N spacers, and N is a positive integer, the spacer is a ring-shaped structure, and there are Q through holes uniformly opened on the ring-shaped end face along the circumferential direction, and Q is not less than M Positive integer; M elastic elements are evenly distributed along the circumferential direction, and each elastic element passes through the through holes at the corresponding positions on the N spacers in turn, and the two ends of the torsion plate assembly are respectively nested with the torque input interface and the torque output interface; the input torque The torque input interface is transmitted to the torque output interface through the torsion plate assembly. In the present invention, the elastic elements in the torsion plate assembly are evenly distributed along the circumferential direction, so that the torsion spring has the characteristics of positive and negative stiffness symmetry, and the setting of the spacer enables the torsion spring to achieve a large torsion angle in the linear range.

The invention discloses a multifunctional wrist force measurer which comprises a handle I and a handle II which are connected with each other. The key technical point is that the handle I comprises a columnar body I and a cylindrical bulge; the cylindrical bulge is coaxial with the columnar body; a bolt hole is formed in the axis of the cylindrical bulge; the handle II comprises a columnar body II; a cylindrical groove I butted with the cylindrical bulge is formed in the inner end face of the columnar body II; a cylindrical groove II is formed in the outer end face of the columnar body II; a through hole is formed in the center of a columnar body connected with the cylindrical groove I and the cylindrical groove II; a spring is arranged in the cylindrical groove II; the inner end of the spring is in contact with the bottom of the groove II, and the outer end of the spring is in contact with a bearing; a bolt runs through the bearing, the spring and the through hole and then is screwed into the bolt hole in the handle I to be fixed; a detachable hand shank is also arranged at each of two ends of the multifunctional wrist force measurer. The multifunctional wrist force measurer is simple in structure, easy to mount and operate, economical, practical and convenient to carry.

The invention provides a liquid crystal display which comprises a plurality of picture elements, a plurality of scanning lines and a plurality of datawires, wherein each picture element comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel. The red sub pixel comprises a first red sub-pixel and a second red sub-pixel, the same scanning line provides sweep signals for the first and the second red sub-pixels, and two datawires respectively provide data voltage for the first and the second red sub-pixel. The green sub-pixel comprises a first green sub-pixel and a second green sub-pixel, the same scanning line provides sweep signals for the first green sub-pixel and the second green sub-pixel, and two datawires respectively provide data voltage for the first green sub-pixel and the second green sub-pixel. The blue sub-pixel comprises a first blue sub-pixel and a second blue sub-pixel, the same scanning line provides sweep signals for the first blue sub-pixel and the second blue sub-pixel, and two datawires respectively provide data voltage for the first blue sub-pixel and the second blue sub-pixel.

The invention relates to a vehicle and an active transverse stabilizing device thereof. The active transverse stabilizing device comprises a transverse stabilizing rod and a driving device, wherein the transverse stabilizing rod is used for being arranged on a corresponding suspension, and the driving device is arranged at at least one end of the transverse stabilizing rod; the driving device comprises a power output member which is used for being arranged on a corresponding vehicle body, and the driving device is provided with a power output end which is in transmission connection with a corresponding end of the transverse stabilizing rod so as to drive the transverse stabilizing rod to twist. The invention provides the active transverse stabilizing device, which can actively adjust the rolling resisting moment of the transverse stabilizing rod to the vehicle body, and the vehicle employing the active transverse stabilizing device.

The invention provides an axis-unfixed bipyridyl-bis-oxazoline chiral ligand in the technical field of catalysts, and the preparation and the application thereof. The structural formula of the ligand is figured. The invention has the advantages as follows: the method is simple, the yield is higher, and the prepared ligand is coordinated with palladium, copper, silver and zinc, thereby having a fine application prospect in lots of catalytic reactions.

The invention relates to the field of power cables, in particular to a high-life cycle anti-torsion cable for offshore wind power, which includes a cable core composed of a plurality of insulated cores, and a tape layer covering the surface of the cable core; The surface is covered with an inner sheath layer; the outer surface of the inner sheath layer is covered with a mixed braiding layer; the outer surface of the mixed braiding layer is covered with an outer sheath layer; the insulated wire core includes a conductor and is covered in An insulating layer on a conductor; the conductor is formed by mixing and winding a plurality of copper wires and a plurality of fiber-copper composite wires; the fiber-copper composite wire includes an organic fiber at the center and one or more layers spirally wound on the outer surface of the organic fiber Copper foil; its fiber-copper composite wire can achieve high-strength tensile and torsion resistance and light weight; the above-mentioned cables are used in the control system of high-power offshore generators or the control system of land wind turbines.

The invention relates to an electromagnetically driven two-dimensional scanning micromirror for laser scanning display, which comprises an outer frame, an inner frame arranged in the outer frame, a vertical scanning torsion beam connecting the outer frame and the inner frame, and an inner frame arranged The inner micro-mirror and a pair of magnets, the outer frame has a cantilever, the inner frame is connected to the cantilever of the outer frame through a vertical scanning torsion beam, the cantilever driving coil is arranged on the cantilever, and the inner frame driving coil is arranged on the inner frame. The magnets are respectively arranged on both sides of the cantilever. The magnetic field lines generated by the magnets are perpendicular to the current direction of the cantilever drive coil and the inner frame drive coil. The mutual interference between the two directions is reduced, and a large torsion angle can be easily obtained. In addition, the utilization rate of the magnetic field can be improved, and the driving scheme is simplified.