603results about How to "Fast winding speed" patented technology

A process for production of a polyethylene blend in situ comprising contacting ethylene and at least one alpha-olefin with a magnesium / titanium based catalyst system including a partially activated precursor and a cocatalyst in each of two fluidized bed reactors connected in series, one of the provisos being that the precursor is formed by contacting an alkylaluminum halide with a solid reaction product prepared from a magnesium alkoxide, a titanium tetraalkoxide, and a solubility enhancing agent.

The invention discloses a winding machine comprising a base body for installing each mechanism, a tension mechanism for leading yarns in, a winding stepper motor and a wiring stepper motor both of which are arranged at an interval on the base body, a wire clamping-breaking mechanism arranged at the upper part of the winding stepper motor, and a central controller for controlling the concerted action of the tension mechanism, the winding stepper motor, the wiring stepper motor and the wire clamping-breaking mechanism, wherein a winding stepper motor driving shaft can be provided with a core winding clamp or a coreless winding clamp; a wiring stepper motor driving shaft can be provided with a wiring wheel; the wiring wheel is provided with a spiral wire slot along the circumference; the twosides of the wiring wheel are respectively provided with a wire creasing wheel and a wire retaining rod; and the wire clamping-breaking mechanism comprises a wire clamping-breaking head and a pneumatic component for driving the wire clamping-breaking head to act. The winding machine can be used for winding a skeleton clew or a non-skeleton clew and is high in automatic degree and winding speed; in addition, the wound clew is regular and attractive in appearance and the control on the length is correct.

The invention relates to an automatic winding device with swinging mechanism for a multi-wire cutting machine. In the automatic winding device, a wire cutting wire is wound on a paying-off wheel, a wire guiding wheel is arranged above the paying-off wheel, a wire wheel is connected with a swinging wheel by a cutting wire, the swinging wheel is connected with another wire guiding wheel above the swinging wheel by the cutting wire, the another wire guiding wheel is connected with a wire winding wheel by the cutting wire, a weight bearing wheel is arranged below the wire winding wheel, and the cutting wire is connected with a driven working roller through the wire winding wheel and the weight bearing wheel; the driven working roller and two driving working roller are vertically arranged on a swinging disk in a triangular way, and the cylindrical surfaces of the driven working roller and the driving working roller are respectively provided with a plurality of annular wire winding grooves; the swinging wheel is connected with a swinging rod which is vertically fixed on the output shaft of a tension servo motor to form a swinging mechanism; the wire winding wheel is connected with a ball screw which is connected with a wire winding motor; and the technical scheme that an approach switch is arranged near the swinging disk overcoms the defects that a mode of manual winding is time-consuming and is easy to fault. The invention is suitable for cutting machines used for cutting sapphire and silicon carbide in the manufacture of LED chips, and other similar machines.

The invention relates to a cable rolling device, in particular to a cable rolling device for electric power engineering construction so as to achieve the technical effects that the labor and time are saved, the rolling speed is high, and the labor intensity is small. The cable rolling device for electric power engineering construction comprises a bottom plate and the like, the top of the bottom plate is sequentially provided with a driving device, a left support and a sliding rail from left to right, and the left support and the sliding rail are connected with the top of the bottom plate in a bolted mode; the left support is vertically arranged, and the sliding rail is horizontally arranged; and a sliding block is slidably arranged on the sliding rail. According to the cable rolling device for electric power engineering construction, a first motor is adopted as driving, and a cable can be rapidly rolled and is rolled through a contacting wheel, work is stable, safety is higher, and the effects that the labor and time can be saved, the rolling speed is high, and the labor intensity is small are achieved.

The invention discloses a blockchain node, a transaction information processing method, a terminal device and a medium. The blockchain node comprises a main chain module and a sub-chain module, wherein the sub-chain module comprises a plurality of parallel sub-chain units, and each sub-chain unit is connected with the main chain module; the sub-chain unit is used for generating a new block and sending new block generation information to the main chain module; the main chain module is used for receiving network information from a peer network P2P, and monitoring the new block generation information sent by each sub-chain unit, determining the priority order of the new block generation information based on a preset priority rule, and correspondingly storing the transaction information in thenew block of each sub-chain unit according to the priority order. According to the technical scheme disclosed in the present invention, the main chain module and a plurality of sub-chain units are arranged in the blockchain node; and the main chain module distributes the received network information to the sub-chain units, so that the blockchain node can perform cochain on the transaction information while in a large quantity of data transactions, thereby improving the cochain speed.

The invention discloses an adjustable tensioning guide device for retracting a hose cable, and the device comprises a mounting base plate, a driving pinch roller, a lower pressure-bearing wheel, a handle, a rocker arm, a screw rod, a pressure regulating nut, a pressure spring, a rotary connecting seat and a lower check nut, wherein the driving pinch roller and the lower pressure-bearing wheel are arranged at the frontage of the mounting base plate; the lower pressure-bearing wheel is positioned below the driving pinch roller; one end of the rocker arm is connected with the upper part of the mounting base plate, and the other end of the rocker arm is connected with the end part of the driving pinch roller by virtue of a pin shaft; one end of the rotary connecting seat is sheathed on the pin shaft positioned at the outer side of the driving pinch roller, and the other end of the rotary connecting seat is sheathed on the screw rod; the spring is sheathed on the screw rod arranged above the rotary connecting seat; the pressure regulating nut is sheathed at the end part of the screw rod; the lower check nut is sheathed on the screw rod arranged below the rotary connecting seat; the bottom end of the screw rod is connected with the lower pressure-bearing wheel by a pin shaft; and the handle is arranged on the pin shaft. The adjustable tensioning guide device can be used for changing the tensile force and the pressure gap by virtue of simple adjustment, thus adapting to different cables.

The invention provides PBO fiber which is anti-ultraviolet and a process for preparation, the process for preparation comprises following steps, heating and dissolving 4, 6-diaminoresorcinol dihydrochloride, terephthalic acid, phosphoric acid anhydride and polyphosphoric acids, reacting for 5-7 hours under 0.2-1.0 MPa and the temperature of 110-120 DEG C, removing pressure in an autoclave, removing HCL which is generated in the reaction process, then adding mixture of polyphosphoric acids and nanometer TiO2, reacting for 6-7 hours in vacuum under the temperature of 140-150 DEG C and 20-100 Pa, and then preparing PBO fiber which is anti-ultraviolet. The invention obtains composite material through in-situ polymerization, can improve ultra-violet resistance of PBO fiber and flow property of spinning liquid, therefore, coiling speed is increased, and mechanical property of fiber is further improved.

Provided are a tower that has a sufficient yield strength and enables connection between tower sections without requiring a high manufacturing accuracy of the tower sections, and a wind turbine generator having the tower. The tower includes a plurality of tower sections formed by dividing the tower along planes that are parallel to a horizontal plane, and is constituted by connecting end surfaces of the tower sections to each other. The tower further includes a tensile member that has one end supported by a first supporting part at a first tower section among the tower sections, has another end supported by a second supporting part at a second tower section among the tower sections or at a tower base on which the tower is vertically installed, and is stretched along an inner wall of the tower sections so as to have a predetermined tensile force.

The invention discloses a silk rapid cutting device, which comprises a frame (1), the feed end of the frame (1) is provided with a pressing roller group (2), and the discharge end of the frame (1) is provided with a cloth rolling device (3), a cutting platform (4) fixed on the top of the frame (1) is provided between the pressing roller group (2) and the cloth rolling device (3), and the cutting platform (4) is provided with a cutting groove ( 5), the top of the cutting groove (5) is provided with a cutting device (6) fixed on the frame (1); the cutting device (6) is connected with a controller (7), and the controller (7) is connected with the pressing The roller group (2) is connected with the cloth rolling device (3). The invention has the characteristics of being able to improve the cutting quality of the silk fabric, increase the cutting efficiency and reduce the waste of the silk fabric.

A device to apply a thin narrow rubber tape to a rotating object (4), which can be suitably utilized for making a rubber component of a pneumatic tire, is disclosed. The device comprises: a conveyer belt; a let-off roller (16) on which the conveyer belt runs and from which the rubber tape is let off; a traverser (21) to move the let-off roller (16) in an X-axis direction parallel to the rotational axis of the object; a radial shifter to move the let-off roller in a Y-axis direction perpendicular to the X-axis direction; a tilter (23) to turn the rotational axis of the let-off roller (16) around a reference axis which is parallel to a Z-axis direction perpendicular to the X-axis direction and Y-axis direction. Said conveyer belt provided with a substantially straight part extending for a certain distance from the let-off roller to the upstream side thereof at a substantially constant inclination angle theta of more than 0 but not more than 70 degrees with respect to a reference plane including the rotational axis of the let-off roller and the rotational axis of the object.

The invention provides an automatic four-axis cast film winding machine. The automatic four-axis cast film winding machine is provided with a plurality of expansion shafts, the expansion shafts at different positions can carry out tube sleeving, cast film winding, roll moving-out and standing for cooling down correspondingly, the expansion shafts are driven by a motor to change positions to realize function switching of the plurality of expansion shafts, so that not only the tube sleeving, cast film winding and roll moving-out processes of the expansion shafts can be separated to be independent to save the cast film winding time, but also the expansion shafts can be left to stand for cooling down after working so as to prolong the service lives of the expansion shafts and an expansion shaft installation assembly; and in the meanwhile, a paper tube conveying assembly and a paper tube sleeving assembly are independent from an expansion shaft winding structure, so that paper tubes can bearranged and subjected to tube sleeving while cast films are wound around the expansion shafts, and the winding working time is shortened. A defective product returning assembly of the winding machinecan move damaged paper tubes which cannot sleeve the expansion shafts out of the internal structure of a winding machine body, so that the internal structure of the machine body is stabilized and thestability and safety of the cast film winding process are ensured.

The invention provides a vertical air conditioner indoor unit. The vertical air conditioner indoor unit comprises a shell, an air duct, a flow guide part and an air inducing channel; the shell is provided with an air supply opening, a first air inlet and a second air inlet; the inner wall, close to an air outlet, of the air duct is in a gradually-shrinking shape with a flow cross section graduallybecoming smaller in the airflow direction; the flow guide part is arranged in the air duct, an annular air outlet gap is defined by the flow guide part and a gradually-reduced part of the air duct, and the flow guide part is used for guiding airflow to the annular air outlet gap so that the airflow can be gradually gathered towards the center of the airflow under the guidance of the inner wall ofthe air duct and flow out of the air outlet and the air supply opening; and the air inducing channel is formed between the shell and the air duct and is provided with an inlet end communicated with the second air inlet and an outlet end communicated with the air supply opening, and indoor air enters the shell through the second air inlet and is guided to the air supply opening through the air inducing channel. The vertical air conditioner indoor unit is stronger in wind power and farther in air supply distance.

The invention relates to a DC motor with insulating frame structures. The DC motor comprises an upper casing, a control board, an upper insulating frame, a stator iron core, a lower insulating frame, a rotor and a lower casing, wherein the upper and the lower insulating frames are sleeved in the stator iron core; and the upper and the lower casings are matched to form a cavity for mounting the control board, the upper insulating frame, the stator iron core, the lower insulating frame and the rotor. The DC motor is characterized in that the control board is clamped on the upper insulating frame; slots, wire dividing strips, Hall mounting positions, a ring-shaped wire passing slot and fixing positions are arranged on the upper insulating frame; mounting holes are formed on the stator iron core; the fixing positions are embedded into the mounting holes of the stator iron core; the ring-shaped wire passing slot is formed on the edge of the upper insulating frame; the bottom edge of the upper casing is pressed on the ring-shaped wire passing slot; and lug bosses of the upper casing are embedded into the slots of the upper insulating frame. By adopting the DC motor, the mounting concentricity of the insulating frames is improved, and the problem of poor Hall position inductor is solved; and as the ring-shaped wire passing slot is moved to the edge of the upper insulating frame from the inner part of the casing, the area of a motor slot is increased, the slot fill factor can be effectively reduced, and the wire winding speed and the performance of the whole motor can be improved.

The invention provides a vertical air conditioner indoor unit which comprises a shell, an air duct and a flow guide part. A first air supply outlet and a second air supply outlet are formed in the front side of the shell. the air duct is arranged in the shell and provided with an air inlet, a first air outlet and a second air outlet, the first air outlet faces the first air supply outlet, the second air outlet faces the second air supply outlet, and the air duct is used for guiding airflow in the shell to the first air supply outlet and the second air supply outlet; the inner wall, close to the first air outlet, of the air duct is in a gradually-shrinking shape with the flow cross section gradually becoming smaller in the airflow direction; and the flow guide part is arranged in the air duct, an annular air outlet gap is defined by the flow guide part and a gradually-reduced part of the air duct, and the flow guide part is used for guiding airflow to the annular air outlet gap so thatthe airflow can be gradually gathered towards the center of the airflow under the guide of the inner wall of the air duct and sequentially flow out of the first air outlet and the first air supply outlet. The vertical air conditioner indoor unit is stronger in wind power and farther in air supply distance.

The invention provides a wall-mounted air conditioner indoor unit which comprises a casing and a flow guide piece; a first air supply outlet and an air duct connected with the first air supply outletare defined in the casing, and the inner wall, close to the first air supply outlet, of the air duct is gradually reduced such that the flow cross section of the air duct is gradually reduced in the airflow direction; the flow guide piece is arranged in the air duct, and an air outlet gap is defined between the flow guide piece and the inner wall of the air duct so that the air supply airflow blown to the first air supply outlet is guided to the inner wall of the air duct, and the air supply airflow gradually flows out of the first air supply outlet towards the airflow center in a gathered mode under the guiding effect of the gradually-reduced part of the inner wall of the air duct; the flow guide piece is of a hollow structure, and spray holes are formed in the side, facing the first airsupply outlet, of the flow guide piece, and the flow guide piece is configured to produce water mist; and in the flowing process of the supply airflow, a negative pressure environment is formed at thespray holes, so that water mist is mixed into the supply airflow and blown out of the first air supply outlet together. The wall-mounted air conditioner indoor unit has better effects of long-distance air supply and strong air supply.

The invention relates to a method for wrapping a sheet of material and a roll cutting device. According to the invention, According to the invention, a roll winding apparatus is used for winding a material web or paper card web onto a winding core, preferably winding onto a sleeve to form a reel. During a winding process, at least one roller presses against the reel. In order to improve the winding structure, especially stabilize the winding region, the roll winding apparatus comprises a winding hardness generator which does not contact with at least one reel.

The invention relates to a spinning point (1) of a spinning machine, whereas the spinning point (1) includes a spinning unit (5), a drawing-off device (6) for the yarn (2) downstream of the spinning unit (5) in the direction of transport (T) and a yarn accumulator (7) downstream of the drawing-off device (6) for the intermediate accumulation of a section of yarn, whereas the yarn accumulator (7) is allocated a sensor system (8) for monitoring the filling level of the yarn accumulator (7), whereas the spinning point includes a spooling device (9) for the yarn (2) downstream of the yarn accumulator (7), along with a return unit (10), with the assistance of which an end of the yarn (11), which is found within the yarn accumulator (7) after a yarn break, is able to be returned in the area of the spinning point (1). What is also proposed is a method for the operation of a spinning point (1), characterized in that its spooling device (9) is stopped in such a manner that, after the stop of the spooling device (9), an end section of the yarn (2) remains within the yarn accumulator (7), that, subsequent to this, a part of the yarn (2) is separated with the assistance of a yarn separation unit (17) internal to the spinning point, and that the end of the yarn (11) that newly arises in this manner is returned with the assistance of a return unit (10) internal to the spinning point in the area of the spinning point (1), and that a spinning process is then carried out.

The invention discloses a cloth-rolling device for a cloth-drying machine with an automatic adjusting function. The cloth-rolling device comprises a frame and a movable rack, on which a cloth-rolling roller is arranged. The frame is of a stepwise structure. A step of the frame is provided with a first-stage conveying roller, second-stage conveying rollers and a movable conveying roller. A telescopic device is arranged below the movable conveying roller and connected with a controller. The bottom of the telescopic device is connected with a sliding block. A screw rod is arranged between the sliding block and the side wall of the frame. The screw rod is provided with limiting switches connected with the controller at intervals. The sliding blocks performs motion between the two limiting switches. The screw rod is connected with a screw rod driving device connected with the controller. Position detecting sensors arranged above the cloth-rolling roller and the movable conveying roller and connected with the controller. The cloth-rolling device for the cloth-drying machine with the automatic adjusting function has following beneficial effects: during rolling, cloth is prevented from sagging and being torn down; and spacing distance between the cloth-rolling roller and the conveying roller can be automatically adjusted according to the number of rolled cloth on the cloth-rolling roller so that dismount and installation of the cloth-rolling roller are carried out conveniently.

The invention provides a wall-mounted air-conditioner indoor unit, which comprises a housing and a flow guide element, wherein a first air supply opening and an air duct connected with the first air supply opening are defined in the housing; the inner wall, close to the first air supply opening, of the air duct is convergent to gradually diminish a flow passing section of the air duct in an airflow direction; the flow guide element is arranged in the air duct, and further, air outlet gaps are defined between the flow guide element and the inner wall of the air duct to guide an airflow blown tothe first air supply opening to the inner wall of the air duct, so that the airflow gradually flows, in an aggregation manner, out of the first air supply opening towards the center of the airflow under the guidance of convergent parts of the inner wall of the air duct; and further, the flow guide element is configured to be movable relative to the air duct, so that the air outlet gaps are adjustable. The wall-mounted air-conditioner indoor unit provided in the invention has better long-distance air supply and strong air supply effects.

The invention discloses an air outlet structure of an air conditioner indoor unit. The air outlet structure comprises a housing case main body; an air conditioner air inlet and an air conditioner air outlet are respectively arranged at two ends of the housing case main body; a heat exchanger and centrifugal fans are arranged in sequence between the air conditioner air inlet and the air conditioner air outlet; an annular air flue is arranged at the air conditioner air outlet; an air outlet is arranged on the annular air flue; the quantity of the centrifugal fans is at least two; the centrifugal fans are arranged in the housing case main body, wherein an air outlet of at least one centrifugal fan is communicated with the annular air flue through an induced draft passage; and the air outlet of the at least one centrifugal fan is opposite to the air conditioner air outlet. At least two centrifugal fans are arranged; through accelerating the air outlet speed of one of the centrifugal fans, the air speed of the other centrifugal fan is driven; the air quantity is guaranteed while the air speed is increased; air force is natural; outlet air is uniform; and the air outlet structure is energy-saving and environment-friendly, is electricity-saving, and is small in noise and simple in structure.

The invention relates to a winding device and in particular to a cable winding device. Aiming at solving the technical problems, the invention provides the cable winding device which has the advantages of time saving and labor saving and rapid winding speed and can be used for more uniformly winding a cable in a winding process so that people can transport the cable conveniently. In order to solve the technical problems, the cable winding device provided by the invention comprises supporting plates and the like; the supporting plates are mounted at left and right sides of the bottom of a top plate; the supporting plates are symmetrically arranged; a first through hole is formed in the upper part of the supporting plate at the right side; a winding device is arranged in the middle of the bottom of the top plate; a rotary part of the winding device is connected with a vertical rod; a groove is formed in the vertical rod; a pushing device is arranged on the top plate; and a pushing part of the pushing device is in contact with the winding device. According to the cable winding device, the cable can be cut through a cutting device, and the effects that the time and labor are saved, the cable can be more uniformly wound in the winding process so that people can transport the cable conveniently are realized.

The invention provides a vertical air conditioner indoor unit which comprises a shell, an air flue and a flow guiding piece. The inner wall, near an air outlet, of the air flue is in a tapered shape with the flow cross section being decreased gradually along an airflow direction; the flow guiding piece is arranged in the air flue; an annular air outlet gap is defined by the flow guiding piece andthe tapered part of the air flue; the flow guiding piece is used for guiding air flows to the annular air outlet gap, so that the air flows are guided by the inner wall of the air flue so as to be gradually gathered towards an airflow center direction and sequentially flow out of the air outlet and the air supply outlet; the flow guiding piece is formed by rotating a flow guiding line for a circlearound a horizontal central axis; and the flow guiding line comprises a first convex arc-shaped segment, a second concave arc-shaped segment, a third convex arc-shaped segment, a fourth convex arc-shaped segment and a fifth convex arc-shaped segment which are smoothly connected in sequence. The vertical air conditioner indoor unit provided by the invention has stronger wind force and longer air supply distance.

The invention aims at providing a stator core which is formed by serrated units buckled mutually and needs no pressure holding or welding. The stator core provided by the invention comprises a plurality of serrated units assembled together in a circumferential direction, each serrated unit is provided with a teeth part used for twisting wire and a yoke part positioned at one end of the teeth part, a circular arc bulge is arranged at one end of the yoke part, a groove matched with the bulge in shape is arranged on the other end of the yoke part, and one serrated unit is matched with the groove of an adjacent serrated unit by the bulge, so as to form a planar hinge capable of rotating relatively between two adjacent serrated units.

The invention provides a thermal shrinkage film automatic winding mechanism, and belongs to the field of winding mechanisms. The thermal shrinkage film automatic winding mechanism comprises a fixed frame, thermal shrinkage films, fixed guide rollers and a winding drum; multiple fixed guide rollers are arranged on the fixed frame; tension adjusting mechanisms are arranged between the fixed guide rollers; movable guide rollers are mounted on the tension adjusting mechanisms; the thermal shrinkage films are bypassed through the fixed guide rollers and the movable guide rollers to pass through anunfolding mechanism, and are wound on the winding drum for winding; a motor is connected with the winding drum through a chain; and a film cutting mechanism is arranged at the front part of the winding drum. The thermal shrinkage film automatic winding mechanism is reasonable in structure and stable in operation; the thermal shrinkage films are tidily wound on the winding drum; the unfolding mechanism has a feeding function, and is matched with the winding drum for rotation to achieve high winding speed and high production efficiency; the stretching tension of the thermal shrinkage films can be automatically adjusted, so that the product damage is prevented, the winding quality is guaranteed, and the thermal shrinkage films are tightly wound without loosening; and the film cutting mechanism is provided for automatically cutting off the thermal shrinkage films.

The invention discloses a residual power line winding device for screw rod sliding block type stator assembly production. The residual power line winding device for screw rod sliding block type statorassembly production comprises a base, a stable base, a first drive motor, a winding reel, a leading ring and a second drive motor. The stable base is arranged on the lower ends of support rods; the winding reel is rotatably installed between an output shaft of the first drive motor and a connecting shaft through a coupler; and the leading ring is further welded to the upper side of an upper slidesleeve. During winding, the leading ring moves left and right so as to play a role in guiding a power line, so that the occurrence of a twisting phenomenon can be effectively avoided; meanwhile, thepower line can be uniformly wound on the winding reel so as to be prevented from being fully wound at a certain position on the winding reel; and compared with manual winding, the winding speed is faster, the working efficiency is greatly improved, a product takt is accelerated, and the replacement speed is improved.

A process for the extrusion of polyethylene having a broad molecular weight distribution wherein the polyethylene is prepared in pellet form, said extrusion taking place in a pelletizing extruder having one or more zones essentially filled with polyethylene and two or more zones partially filled with polyethylene including a feed zone comprising (i) introducing the polyethylene into the extruder at a temperature sufficient to melt the polyethylene; (ii) introducing a mixture of an inert gas and oxygen into at least one partially filled zone with the exception of the feed zone, said mixture containing about 1 to about 21 percent by volume oxygen based on the volume of the gaseous mixture; (iii) passing the molten polyethylene through each zone at melt temperature; and (iv) extruding the polyethylene into pellets and cooling same.

The invention discloses a bladeless fan comprising a substrate and a flat-and-elongated nozzle. The substrate comprises a substrate shell, air inlet holes and a fan. The air inlet holes are formed in the substrate shell, the fan arranged in the substrate is used for inhaling external airflow from the air inlet holes and generating internal airflow upwards. The nozzle is divided into a left side face, a right side face, a front end and a rear end, the left and right side faces are larger in size, the front and rear ends are smaller in size, the rear end is sealed, and the front end is provided with a slit-shaped outlet. The nozzle is used for receiving internal airflow and ejecting the same out. Designed reasonably, the bladeless fan is higher in safety performance as compared with the common fans, and more attractive in shape than common bladeless fans.