533results about How to "Consistent speed" patented technology

The invention relates to a paper money temporary storage module and a reel rotating speed control method thereof. The paper money temporary storage module comprises a large reel driven by a first power motor, a small reel driven by a second power motor, a coiling tape, a first coded disc, a second coded disc, a first sensor, a second sensor and a microcontroller, wherein two ends of the coiling tape are respectively fixed on the large reel and the small reel and the coiling tape is retracted and wound between the large reel and the small reel; the first coded disc is fixed on a rotating shaft of the large reel; the second coded disc is fixed on a rotating shaft of the small reel; the first sensor is arranged corresponding to the first coded disc and is used for monitoring the rotating angle of the large reel; the second sensor is arranged corresponding to the second coded disc and is used for monitoring the rotating angle of the small reel; and the microcontroller is used for calculating the length of the coil tape released by the small reel when the large reel rotates for a circle according to output signals of the first sensor and the second sensor and further calculating the current radius of the large reel, and thus angular velocities of the large reel and the small reel are controlled and the linear velocity of the large reel is enabled to be consistent with that of the small reel.

The aerated concrete block is produced with fly ash 50-65 weight portions, lime 18-22 weight portions, gypsum 6-10 weight portions, cement 7-16 weight portions, composite gas former 4-8 weight portions, efficient fly ash activator 1-2 weight portions, composite stabilizer 1.5-3 weight portions and water in proper quantity; and through the production process including the steps of fly ash pre-treatment, crushing lime and gypsum, pre-activating fly ash, mixing the materials to prepare slurry and pouring, pre-curing, cutting, and steam curing to obtain the product. The production process adopts pre-activating and secondary activating and composite stabilizer, and the aerated concrete block product has low cement consumption, low cost and high strength.

The invention relates to a horizontal-vertical screen switching rotation control method for hand-held devices. The horizontal-vertical screen switching rotation control method includes the following steps: according to gravity sensing, a rotation direction and a switched angle Phi m are acquired; a screen is frozen, and a direction-changed interface image is acquired; the current angle Phi i of the interface image is calculated and displayed until Phi i is equal to Phi m, wherein Phi i is equal to Phi 0 plus (Phi n minus Phi 0) multiplied by Ai, Ai is equal to (m minus (m minus i) multiplied by (m minus i) divided by m) divided by m, m is the total number of rotation display times, i is the current number of rotation display times, and is greater than or equal to 1 and less than or equal to m, m and i are natural numbers, Ai is acceleration percentage, and the initial angles Phi 0, Phi i and Phi m are in the same rotation direction; the display of the hand-held device screen is not changed, the interface image is rotated around the central point of the screen on the surface of the screen, and the screen only displays the part of the rotated interface image, which is in the screen; and the screen is defrozen. The control method can perfectly connect the rotation act of a user and bring vivid natural experience to the user.

The invention discloses a substrate base rotary structure in the metal organic chemical vapor deposition (MOCVD) equipment, which is characterized by the following: (1) the big graphite boat in the reacting chamber revolves one public fixing point; the small graphite boat rotates each center point; (2) the motor anchors substrate base (big graphite boat) to revolve; (3) the motor anchors the substrate base (small graphite boat) rotates; (4) the high-temperature region (substrate base) and low-temperature region (rotary dynamic structure) are separated by heat-durability material, which transmits the rotary dynamics.

The invention designs a launcher according to a principle and requirements of a Hopkinson pull rod test. The launcher mainly comprises a sleeve, a base, a piston, a sliding rail and a supporting base and the like, and is mainly structurally characterized in that high-pressure gas pushes the piston to move so as to push a tubular bullet to speed up, so that the bullet knocks a launching rod at a certain speed; and the thin-wall cylindrical sliding rail is used for supporting movement of the piston and the tubular bullet, thereby achieving a tensile loading way with relatively good reliability and consistency. The launcher is simple and reliable in structure, relatively low in cost, obvious in accelerating effect, thereby ensuring a relatively high bullet speed within a relatively short stroke, and good in test consistency, thereby ensuring a consistent bullet speed under a certain condition; through pressure regulation of the high-pressure gas, different bullet loading speeds can be obtained; and through a design of the sliding rail, the bullet does not contact the launching rod during acceleration, thereby avoiding influence of interaction of the bullet and the launching rod on a test result.

The invention relates to a steel cable follow-up cutting device, comprising an underframe, a travelling trolley arranged on the underframe as well as a cutting mechanism and a claming mechanism which are arranged on the travelling trolley; wherein the two ends of the underframe are provided with a steel cable guide wheel, the underframe is fixedly connected with a movable guide rail, and the bottom of the travelling trolley is provided with a chute matched with the movable guide rail; the cutting mechanism comprises an operating rod and a cutting machine arranged on the operating rod, the lower end of the operating rod is hinged on the travelling trolley by a hinge; and the clamping mechanism comprises a fixed clamping plate and a movable clamping plate, the fixed clamping plate is fixedly connected on the travelling trolley, and the movable clamping plate is pressed on the fixed clamping plate by a jacking mechanism. The device can realize follow-up cutting without shutdown, the production efficiency is improved, and the stability of production quality is ensured.

The invention relates to full-automatic circuit breaker contact and silver point welding equipment. The full-automatic circuit breaker contact and silver point welding equipment comprises a machine body a rotation disc, a clamping device arranged along the edge of the rotation disc, a contact vibration charging tray, a contact drop soldering paste device, a silver point vibration charging tray, acontact and silver point welding device and a product output device. The contact vibration charging tray and the silver point vibration charging tray are connected to the clamping device through a transport channel. Conveying devices are arranged between the contact vibration charging tray and the contact drop soldering paste device and between the silver point vibration charging tray and the welding device. The welding device comprises a support seat erected on the machine body, a welding mechanism, a lifting component and a welding seat. The support seat is provided with a slide rail, wherein the welding seat carries out reciprocation slip on the slide rail. And the support seat is provided with a linkage component. In the technical scheme, the full-automatic circuit breaker contact andsilver point welding equipment is provided; and through using the equipment, welding efficiency is increased, a welding point is accurate, linkage performance is good, clamping is stable and the structure is simple.

The invention discloses a method and a device for electrolytic machining of massive array tiny pits through a wedge-shaped runner, and belongs to the technical field of electrolytic machining. The method includes processing the surface of a mask plate to enable the surface to fit with the surface of a workpiece anode; fixing a wedge-shaped tool cathode above the mask plate to enable the wedge-shaped runner to be formed between the wedge-shaped tool cathode and the mask plate; connecting the workpiece anode and the wedge-shaped tool cathode with an anode and a cathode of a power source respectively; feeding an electrolyte into the wedge-shaped runner, wherein the electrolyte reaches the surface of the workpiece anode through penetrating group holes in the mask plate; switching on the power source for electrolytic machining. The runner is arranged to be wedge-shaped, so that electric field intensity and electrolyte flowing speed are enabled to be progressively increased along the direction of the runner, both corrosion strength and speed of a workpiece are enabled to tend to be uniform, and uniformity and machining accuracy of electrolytic machining are improved. A PDMS (polydimethylsiloxane) template is taken as the mask plate, bonding strength of the mask plate and the workpiece anode can be guaranteed, stray corrosion, of the electrolyte, to places around a machining area can be effectively reduced, and locality and uniformity of electrolytic machining can be improved.

The invention discloses an A2.0 B04 grade autoclaved aerated concrete block prepared from quartz eroded sand. The A2.0 B04 grade high-performance autoclaved aerated concrete block is prepared from quartz eroded sand, cement, quick lime, industrial waste phosphogypsum, aluminum paste and water. The dry density of the concrete block is 415kg/m<3>, the cube crushing strength average value is 2.1 MPa, the single unit minimum value is 1.9 MPa, the ratio of splitting tensile is 0.19, the frost quality loss is 3.7%, the frost strength is 1.7 MPa, the heat conductivity coefficient (dry state) is 0.116 W/(m.K), the dry shrinkage value (standard value) is 0.22 mm/m and the percent of pass is greater than 98%. The raw material processing method is reasonable, the formula calculation is scientific, the production process is simple and the production waste can be recycled. The concrete block is a novel energy-saving and environmentally-friendly wall material and is suitable for industrial process.

A modularized bed-ridden patient translation transfer machine comprises a first module, a second module, a third module and a fourth module which are sequentially connected in parallel through a plurality of threaded rods, wherein the first module, the second module, the third module and the fourth module adopt identical structures and each comprise a lower mechanical transmission device and an upper mechanical transmission device; each lower mechanical transmission device is used for driving the modularized bed-ridden patient translation transfer machine to move on a bed surface; each upper mechanical transmission device is located on the corresponding lower mechanical transmission device, and is driven by the corresponding lower mechanical transmission device to transfer a bed-ridden patient from one bed to another bed. The machine provided by the invention is convenient to dismount, mount and transport; the machine abandons the traditional method in which the lying patient is carried by multiple persons, and achieves automatic transfer of the patient who is injured or paralyzed, or who needs to be transferred before and after an operation; without changing the posture of the patient, a nurse can individually transfer the patient from a hospital bed to a stretcher, or from the stretcher to the hospital bed, so that the labor intensity of the nurse is reduced, the safety and comfort of the patient are improved, and secondary harm to the patient caused by the traditional method is avoided.

The invention provides an air conditioner. The air conditioner comprises a shell (10), a centrifugal fan (20) and a heat exchanger (30), wherein the shell (10) is provided with an air inlet (11) and an air outlet (12); the centrifugal fan (20) is arranged in the shell (10), and comprises a fan blade (21); and the heat exchanger (30) is arranged on the inner side of the periphery of the fan blade (21). By adopting the technical scheme disclosed by the invention, the problem of an air conditioner in the prior art that the noise is large, and air outlet is non-uniform are solved.

The invention discloses a vehicle-mounted LCD intelligent display screen capable of being adjusted in multiple dimensions. The LCD intelligent display screen is arranged on the center console or the seat back, includes a display screen body and a backplane, Vertical guide assembly, sliding support plate, an automatic telescopic device and a drive assembly hinged between the sliding support plate and the back plate for rotationally adjusting about the X axis and a drive assembly for rotationally adjusting about the Y axis, the sliding support plate can make lifting and lowering adjustment between the vertical guide rails, The automatic telescopic assembly can adjust the distance of the vehicle-mounted LCD intelligent display screen, and the automatic telescopic device is connected with theback plate through a ball hinge, and can realize the adjustment of any angle of the LCD intelligent display screen in cooperation with the driving assembly rotated and adjusted around the X axis and the driving assembly rotated and adjusted around the Y axis. The invention can automatically adjust the viewing angle to the best according to the needs of users, and has the advantages of good viewingeffect and high automation degree.

The invention discloses a die-cutting machine for producing single output standing pouches. When the single output standing pouches are produced, a film sequentially passes through a forming unit and a separation unit to perform die-cutting and separation on the standing pouches; mutual actions of a second floating roller, a tension regulating mechanism and a first floating roller enable the tensile force at two sides of generated film waste materials to be maintained consistent with the film drawing speed; the tension regulating mechanism controls a tension regulating roller to rotate and controls a tension regulating compression roller to enable the film waste materials to be tightly compressed with the tension regulating roller, so that the film waste materials winding on the second floating roller is tensioned, the second floating roller is lifted upward, and the first floating roller is correspondingly descended; accordingly the film generates no deviation when feeding is performed on the forming unit, the die-cutting procedure of the film is smoothly achieved, and then rolling the film waste materials through a rolling roller is achieved. The die-cutting machine for producing the single output standing pouches has the advantages of improving the processing quality of finished products of the single output standing pouches, reducing manual interference function on the film waste material rolling and reducing labor costs.

The invention provides an epoxy heating fiberglass mould and a preparation method thereof. The preparation method comprises the following steps including female mould manufacturing, mould structural manufacturing; gel coat manufacturing; topcoat manufacturing; heating layer manufacturing; structural reinforcing layer manufacturing; heat preservation layer manufacturing; framework support manufacturing; temperature control system manufacturing; and silica gel surface mould manufacturing. The epoxy heating mould meets the requirements that the high temperature deformation temperature is above 120 DEG C, the shrinking percentage is low, and heating is uniform, and the technical problem that local overheating damages the mould is solved.

The invention provides an A3.5 B05 grade autoclaved aerated concrete block made of quartz weathered sand. The high-performance A3.5 B05 grade autoclaved aerated concrete block is made by using the quartz weathered sand, cement, quicklime, industrial waste phosphogypsum, aluminum powder paste and water as raw materials. The dry density of the block is 509kg/m<3>, the average cubic compressive strength of the block is 3.6MPa, the single component minimum of the block is 3.2Mpa, the split-to-compression ratio is 0.20, the mass loss after freezing is 2.8%, the strength after freezing is 3.1Mpa, the heat conduction coefficient (dry state) is 0.1251W/(m.K), the drying shrinkage value (standard process) is 0.32mm/m, and the qualified rate is greater than 98%. The method has the advantages of reasonable treatment of raw materials, scientific formula calculation, concise production flow, recycling of production wastes. The block is a novel energy saving and environmental protection wall material, and can be industrially produced.

The invention belongs to the smart trolley information processing technical field and discloses a mobile trolley traction control method and system. The control method includes the following steps that: initialization is carried out, and current inductance values are acquired; two inductance values are normalized; normalized values are obtained, and whether the obtained values are greater than 0 or smaller than 0 is judged; direction judgment is performed; and the above steps are cycled continuously. A direction control algorithm used in the program of the present invention is fuzzy control, and a speed control algorithm in the present invention is PID control; and since the direction control of the invention adopts fuzzy control, and the robustness of the direction control is strong, andtherefore, the influence of interference and parameter variation on a control effect is greatly weakened, the direction control is especially suitable for the control of nonlinear, time-varying and pure-lag systems, and the accurate mathematical model of an object is not required.

The invention discloses an automatic roll stamping seal device which has the characteristic of effectively reducing the effectiveness lose odds of the mechanism; the automatic roll stamping seal device comprises a paper feed channel, a seal rotating shaft and a roll stamping rotating shaft which are arranged at two sides of the paper inlet channel, the seal rotating shaft and the roll stamping rotating shaft form a rotating shaft system, a rolling seal is arranged on the seal rotating shaft, a roll stamping roll which is arranged corresponding to the rolling seal is arranged on the roll stamping rotating shaft, the rotating shaft system is connected with a drive motor in a transmitting way, and an overrunning clutch is connected between the rotating shaft system and the drive motor in a transmitting way; when the drive motor drives the seal rotating shaft and the roll stamping rotating shaft to work, the overrunning clutch can drive the seal rotating shaft and the roll stamping rotating shaft to work, the overrunning clutch belongs to a mechanical standard part, the price of the overrunning clutch is far lower than that of an electromagnetic clutch of mechanical and electrical products; in addition, the mechanical structure is simple, and the mechanical standard part is hard to lose effectiveness like the mechanical and electrical products, so as to reduce the manufacturing cost and reduce the effectiveness lose odds of the whole machine; the device is particularly suitable for being popularized and applied to the automatic seal device.

The invention discloses a three-dimensional model interactive method based on a dynamitic depth hierarchy structure. According to the method, after view transform, the depth hierarchy structure is reestablished, the hierarchy where the current edit point is located is found out according to depth information, and the editability of the current edit point is kept; and under the condition that shielded interest areas are popped up, after view transform, tracking of the interest areas is kept in the new depth hierarchy structure and the interest areas are automatically popped up. Support of tracking of the interest areas and popup algorithms is added in a static multi-layer drawing algorithm during view transform. Three-dimensional model navigation is controlled by strokes on the surface of three-dimensional models, the view transform direction and speed are consistent with the strokes, and current points of the strokes are always kept visible and fixed at the center of a window. The three-dimensional model interactive method solves the problems that original depth hierarchy structure information is lost during the view transform and processing time is too long in methods for performing surface properties of self-occlusion complex three-dimensional models in the prior art.

The invention relates to a novel omnidirectional wheel walking and anti-collision system with high safety and capable of effectively improving working efficiency. The anti-collision system comprises an object motion information collecting unit, an object image volume information collecting unit, a collision information collecting unit, a safety protective unit and an alarm device which are arranged on the mobile platform; every AGV trolley can reach the identifying and control accuracy and rapidity according to the detected position of a barrier, so as to timely and actively avoid the barrier;when the ECU judges that a human body is collided, the system can pop up a safety bag to better protect the human body.