36results about How to "Improve anti-shake performance" patented technology

The invention provides a lubricant composition for automatic transmissions excellent in sustainability of anti-shudder property, low-temperature viscosity characteristics, and oxidation stability, and excellent and well-balanced in durability of friction characteristics, energy-conserving performance, and anti-fatigue performance on gears. The composition contains a base oil having a kinematic viscosity at 100 DEG C. of 3.7-4.1 mm<2> / s, and composed of base oil having the viscosity of 2.5-4.5 mm<2> / s, and base oil having the viscosity of 10-40 mm<2> / s; 1-20 mass % poly(meth)acrylate viscosity index improver having Mw of 15000-300.00; 2-4 mass % imide friction modifier having a C8-C30 hydrocarbon group; 0.01-0.04 mass % phosphorus extreme pressure agent in terms of phosphorus; and 0.01-0.04 mass % ashless dispersant having at least one alkyl or alkenyl group of a number average molecular weight of >=2000 in terms of nitrogen, all with respect to the total amount of the composition, and has the viscosity of 5.6-5.8 mm<2> / s.

The invention relates to a planning method of industrial robot joint space synchronous movement. According to the method, the joint posture is in smooth transition, the speed and the acceleration arein smooth transition, no step and sudden change exist, and the shaking resisting property is good. The method comprises the following steps that firstly, a motion controller is started; secondly, theexpected robot motion starting point and end point are obtained; thirdly, the maximum duration MaxT needed by planning is calculated; fourthly, five coefficients needed by motion planning of all joints are calculated; fifthly, the running mode is judged, if the mode is a normal mode, the sixth step is executed, and if the mode is the deceleration stop mode, the seventh step is executed; sixthly, planning under the normal running mode is carried out; seventhly, planning under the deceleration stop mode is carried out; and eighthly, the operation is finished.

The invention discloses a spring pressure-assisted cutting fixing device with double cutting torches and an application method of the spring pressure-assisted cutting fixing device, which are quite suitable for cutting grooves of petals of spherical tanks and can simultaneously carry out one-step groove forming cutting for two groove surfaces. The fixing device comprises a transverse adjusting rod, a cutting torch fixing sleeve and a supporting guide wheel, the transverse adjusting rod is connected with an arc seam cutting adjusting mechanism, the cutting torch fixing sleeve is mounted on a cutting torch positioning mechanism, the supporting guide wheel is mounted in a supporting guide wheel mounting mechanism, the arc seam cutting adjusting mechanism is fixed onto a spring pressure assisting mechanism by a bolt, and the cutting torch positioning mechanism and the supporting guide wheel mounting mechanism are mounted on the lower portion of the spring pressure assisting mechanism. The application method includes cutting an upper groove angle beta 1 by the aid of a positioning cutting torch; and cutting a lower groove angle beta 2 by the aid of an adjustable cutting torch in the movable cutting torch fixing sleeve, leading the positioning cutting torch and the adjustable cutting torch to realize cutting simultaneously, and forming an X-shaped cutting line on a spherical shell plate. Owing to spring pressure assistance, the supporting guide wheel always contacts with the steel spherical shell plate along with change of the shape of a cutting plate.

The invention discloses a high anti-interference liquid drop detection structure for a gravity infusion set. The high anti-interference liquid drop detection structure comprises a structure body, a U-shaped groove formed in the body and infrared paired tubes arranged on the two sides of the U-shaped groove. An infrared emitting tube and an infrared receiving tube of the infrared paired tubes are arranged in a staggered mode within the range of the emitting angle of the infrared emitting tube or the range of the receiving angle of the infrared receiving tube, the infrared emitting tube or the infrared receiving tube is close to and aligned with a drip nozzle opening of a Murphy's dropper, and the infrared receiving tube or the infrared emitting tube is away from the drip nozzle opening. Through the staggered arrangement, under the condition that the Murphy's dropper inclines or shakes at a certain angle, an infrared detection formed by the infrared emitting tube and the infrared receiving tube can effectively detect a zero signal formed at the empty period between drops. The invention further discloses a high anti-interference liquid drop detection method. According to the method, zero signals at the two ends of an interference signal are used as the judging data for drop separation, inclination resistance and shaking resistance of a drop detection device are effectively improved, and drop detection accuracy is improved.

The invention provides a wheel fixing device, which includes a wheel mounting seat, a wheel support rod and a rotating mechanism. One end of the wheel mounting seat is connected with the wheel, and the other end of the wheel mounting seat is connected with the wheel support rod. Damping mechanism between mounts. Therefore, when the rotating mechanism and the wheel mounting seat are in relative motion, the damping mechanism can effectively prevent the shaking or vibration of the wheel set in the horizontal direction.

The invention relates to a cloaking single school desk which is composed of a desk top and a desk top support. The cloaking single school desk is characterized in that the desk top support is a lifting mechanism which comprises a rigid chain and a driving device, wherein the vertical ejecting tail end of the rigid chain is fixed on the lower surface of the desk top. The school desk can be lifted and can also be hidden below floors, and a classroom is changed into other activity places.

The invention relates to a novel sunshade umbrella, which comprises a base, a vertical rod, horizontal rod and an umbrella rib assembly which is used for supporting an umbrella cover. The umbrella rib assembly is installed at one end of the horizontal rod. The other end of the horizontal rod is connected with the top end of the vertical rod. The novel sunshade umbrella additionally comprises an adjusting mechanism and a folding mechanism. The novel sunshade umbrella has the beneficial effects that when the novel sunshade umbrella is compared with the traditional sunshade umbrella with a single-vertical-rod structure, the stability of the entire sunshade umbrella is improved and the unsafety factor caused by a single vertical rod is eliminated through a structure with the vertical rod and two supporting rods; since the angle of the sunshade umbrella can be regulated through easy movement of a sliding sleeve, the sunshade umbrella is simple and convenient to operate and the practicability is high; since the umbrella rib assembly is connected with the horizontal rod through a supporting rid to form a triangular stable structure, the anti-wobbling capability of the umbrella rib assembly and the umbrella cover under situations such as heavy wind is greatly improved; the umbrella cover is convenient to fold, the entire umbrella cover and the horizontal rod are closely folded, the temporary storage space is small and the applicability is high.

The invention discloses a telescopic grab bucket anti-shaking mechanism which comprises a grab bucket (1) and is characterized by further comprising an anti-shaking mechanism body (2), and the grab bucket (1) is installed at the bottom of the anti-shaking mechanism body (2). The anti-shaking mechanism body (2) is composed of at least two pipes which are sequentially connected in a sleeving mannerand can slide relatively, and the sizes of the cross sections of the pipes are sequentially reduced. The pipes can be formed by circular pipes or polygonal pipes. The anti-shaking mechanism is novel in structure, good in anti-shaking performance, high in positioning precision, safe, efficient and low in cost.

The invention relates to the field of underwater robots, particularly to an underwater robot placement recovery vibration reducing auxiliary apparatus, which comprises buffer devices, a transporting platform and brackets, wherein the two buffer devices are respectively arranged on both ends of the transporting platform, the buffer device comprises a sliding connection pipe, a sliding rail pipe, abuffer spring, a hydraulic damping cylinder, a universal rotation joint and an anti-disengagement lock, the lower end of the sliding rail pipe is connected to the upper end of the hydraulic damping cylinder through the universal rotation joint and the buffer spring, the buffer spring is sleeved on the universal rotation joint, the sliding connection pipe is slidably connected to the sliding rail pipe, the sliding connection pipe is provided with the anti-disengagement lock, the anti-disengagement lock is provided with a concave groove and anti-disengagement lock snapping pins, the anti-disengagement lock snapping pins are hinged to the end portions of the side walls of the concave groove through pin nails and torsion springs, the anti-disengagement lock snapping pin is opened by overcomingthe torsion force of the torsion spring, and the head-tail ring of an underwater robot and the anti-disengagement lock form suspended connection. With the underwater robot placement recovery vibration reducing auxiliary apparatus of the present invention, the stable underwater robot placement recovery can be ensured, and the collision and vibration of the underwater robot due to the operation ofthe crane and the bad sea conditions can be effectively avoided.

The invention relates to a clock data recovery circuit and an implementing method. The clock data recovery circuit is used through the steps of conducting continuous sampling through a resampling circuit to obtain a resampling data stream, conducting filtering treatment on the resampling data stream through a filtering circuit to obtain a filtering data stream, conducting extract sampling treatment on the filtering data stream through an extract sampling circuit to obtain an extract sampling data stream, conducting asynchronizing treatment on the extract sampling data through an asynchronizingFIFO circuit to obtain an asynchronizing data stream, and conducting cache arrangement on the asynchronizing data stream through an elastic cache circuit to obtain a recovered output data stream. Theclock data recovery circuit has the advantages of being good in reliability, good in shake resistance and high in initial frequency offset tolerance, and a high-speed serial transceiver can be easilyobtained.

The present invention provides an automatic gear box lubricating oil composition, which comprises the following components: a) at least a friction improver, b) at least an antioxidant, c) at least an organic molybdate, and x) a base oil. According to the present invention, matched use of the friction improver, the antioxidant and the organic molybdate is optimized so as to change a jitter performance of an automatic gear box under a condition of a low speed or starting.