215 results about "Straight pull" patented technology

A coiled tubing completion system is provided with a plurality of completion apparatus, all of which is designed flush with the diameter of the coiled tubing outside diameter for avoiding upsets and are flexible, spoolable on a coiled tubing reel and having through bores large enough to pass wireline tools for performing other operations. The spoolable coiled tubing system may use standard coiled tubing well control equipment and can be used in live wells. The flush, flexible, spoolable and through bore completion equipment may include a tubing retrievable safety valve, an annular control valve, concentric gas lift valves, a zone packer, a landing nipple, a sliding sleeve, and may include at the end a non-flexible but flush and open bore production packer and pump out plug. The completion system may be retrieved through a retrieval system.

The invention discloses an electro-hydraulic power steering system for an engineering mechanical vehicle based on vehicle speed and load signal control. A steering hydraulic pump of the electro-hydraulic power steering system is connected with a rotary valve and is connected between an oil storage device and a direct current motor; the rotary valve is connected with a power-assisted steering oil cylinder; the direct current is connected with a steering control unit through a driving circuit; the steering assisted cylinder is connected with a steering gear plumbing arm; the other end of the steering gear plumbing arm is connected to a steering knuckle arm through a steering straight pull rod; the steering knuckle arm is connected with wheels; a wheel rotary angle sensor, a vehicle speed sensor, a steering shaft load sensor, a steering wheel rotary angle sensor and a torque sensor are respectively connected with a steering control unit; both the vehicle speed and the load are consideredin the whole control system; the steering control unit is controlled by closed loop feedback; the defects that a steering force is insufficient or over great caused by incomplete signal acquisition is prevented; the precision of steering control is improved; and the aim of saving energy is achieved.

A device comprises of independent trigger bow (58) supplied with overlapping recess (64) and a trigger block (10) having a bow guide recess (20), pivot hole (14) with axis pin (34A), primary lever (28) having a axis hole (30) at one end and a bow extender recess (32) and a trigger plate (36A) having a pre-load bar (56) and stopper bar (54) that can be assembled into a module to allow easy installation on trigger tunnel (85) of firearm(88) for reduce firearm trigger pull weight without altering firearm (88). Block (10) is being equipped with catches (12) extending sideways and adjacent with bow guide recess (20) which will overlap with recess (64) of bow (58) to allow both the bow (58) and block (10) to occupy in one same area which allow anchoring against a bow tunnel (83) end wall and supplied with magazine cut (15) disposed on the upper left of block (10) to allow for a magazine passage. As trigger plate (36A) is depressed with finger within a given point on trigger plate (36A) upon firing the finger force will be shifted directly into the adjustable preload bar (56) and synchronizes into the outermost lever end at point (27) of lever (28) producing a high torque leverage which reduces firearm trigger pull weight or load force from the trigger bow (58) energized from sear (70), hammer (72) and hammer spring (82). The trigger plate (36A) being retained with pivot pin (34A) through retaining slot (40A) is supplied with plate bearing (42) and bottom bearing (48) will slide against a frame upper bearing (79) and against s block plate bearing (17) of block (10) respectively, will function as an advancing global pivot point which will changed a rotational action of lever (28) into a linear straight pull action to maintain firearm standard straight action and reducing the trigger pull weight.

The present technique provides a system and method for automatically releasing a power connection between an aircraft and a ground power unit. The power connection may have a release mechanism, such as a straight-pull coupling, which disconnects in response to movement of the aircraft or the ground power unit. The release mechanism also may disconnect in response to a critical tension within a power cable of the power connection. The power connection also may have a rotatable mount for the release mechanism, such that the power cable is alignable with tension in the power cable. The present technique also may have a variety of sensors to trigger a power shutdown and automatic release of the power connection.

The invention discloses a display panel and a display device. The display panel comprises a first substrate, a second substrate opposite to the first substrate, multiple fan-out lines and multiple substrate bonding pads, wherein the length of the first substrate is larger than that of the second substrate in the first direction, so that a step area is formed, and the first direction is parallel with the substrate surface of the first substrate; the fan-out lines are arranged in the step area and comprise straight-pulling fan-out lines and oblique-pulling fan-out lines, the straight-pulling fan-out lines are in the first direction, and the direction of each oblique-pulling fan-out line is different from that of the corresponding straight-pulling fan-out line, and the area, where the straight-pulling fan-out lines are arranged, in the step area is a straight-pulling wiring area; the substrate bonding pads are electrically connected with the fan-out lines in a one-to-one correspondence manner and comprise in-area substrate bonding pads in the straight-pulling wiring area. With the adoption of the display panel and the display device, the width of a border of the display panel adopting a COF technique is further reduced.

A top heat field for preparing 6-inch and 8-inch heavyly doped monosilicon by straight pulling up is composed of an insulating cover consisting of the upper and lower hollow trancated cones, and an upper cover plate fixed to the top of said insulating cover and put on a supporting pipe. It can enhance the scavenge action of the airflow on the surface of molten body for removing the fine particles from the surface.

A diameter measurement method for a straight pulling single crystal comprises the steps that a CCD (charge coupled device) camera is used for acquiring a single crystal growing image and the single crystal growing image is processed, and the resolution ratio of the CCD camera is higher than 2 million pixels; and the processing of the single crystal growing image comprises the steps as follows: extracting a crystal outline in a position of a single crystal growing solid liquid interface; fitting the crystal outline to obtain an elliptical boundary; correcting the elliptical boundary into a circular boundary; and obtaining the diameter of the single crystal. The diameter measurement method for the straight pulling single crystal is high in accuracy of a measurement result, can be operated easily, and is free from noise disturbance. The method can be used for single crystal diameter measurement during processes such as seeding, diameter enlarging, diameter conversion and equal diameters.

A clamper of silicon seel crystal for growing the monocrystalline silicon by straight pull method has a top jointer for connecting the seed crystal axle, and a main body which is composed of an upper part and a lower part containing a through empty cavity with big diameter for upper half and small diameter for lower half. It can be used to prepare the silicon crystal with 500 kg in weight. Its advantage is high safety of silicon seed crystal which can not be broken.

The invention discloses a processing method of carbon-carbon composite material for a straight pulling single crystal furnace. The method comprises the steps of processing carbon fiber into a prefabricated body, then heating the prefabricated body in a chemical deposition furnace to 1050-1150 DEG C, and introducing propane gas, wherein the propane gas is decomposed at high temperature to generate carbon and the carbon is deposited in the prefabricated body; placing the compacted prefabricated body in a graphitization furnace; heating to 2300-2800 DEG C, and maintaining the temperature for 2-4 hours and cooling to form the carbon-carbon composite material. The invention further discloses the straight pulling single crystal furnace which comprises a heater processed by the carbon-carbon composite material. Density of the heater is greater than or equal to 1.8g/cm<3>. The processing method of the carbon-carbon composite material provided by the invention replaces a method of repeated impregnation by carrying out compacting treatment to the prefabricated body by using the chemical vapor deposition furnace, so that not only is the process simple, but also more impurities do not be doped in the compacting treatment process, and high temperature purification is not needed, thereby greatly simplifying the processing method.

The invention provides a straight pull display and a pressing method thereof. The method includes the steps that at least two first conductive blocks are formed on a display panel, and at least two second conductive blocks for aligning with that at least two first conductive blocks are formed on an IC panel; a conductive adhesive is coated on a binding area of the display panel and coating an insulating adhesive on at least two first conductive blocks; the IC panel is fixed above the display panel, so that the IC panel is parallel to the display panel, and the IC panel is moved along the parallel direction of the display panel so that at least two second conductive blocks and at least two first conductive blocks correspond one by one to form at least two capacitors respectively, and when the capacitance value of any one of the capacitors reaches the maximum, the IC panel is moved toward the display panel so that the IC panel and the display panel are stamped together. The invention canaccurately judge whether the binding area of the IC panel and the binding area of the display panel are aligned and pressed without passing an optical microscope.

The invention discloses an automatic equal diameter controlling method for germanium single crystal straight-pull growth method, which includes the following steps: setting the diameter of the germanium crystal required to be prepared, setting the initial lifting speed SL of a crystal rise motor, and establishing a speed control ring, a temperature control ring a and a temperature control ring b. When a diameter measurement value deviates from a diameter set value during the growth process of the germanium single crystal, a diameter deviation e1 is formed between the diameter measurement value and the diameter set value, then the three control rings are matched mutually to automatically adjust lifting speed of the crystal rise motor and the temperature set SP of a temperature controller, so as to enable the diameter measurement value to be equal to the diameter set value. The automatic equal diameter controlling method improves the manual diameter control during the germanium single crystal production into automatic diameter control, improves the production efficiency, reduces the wastes caused by the follow-up polishing, rounding and slicing processes of the single crystal bar.

Automated, custom mold manufacture for a part begins by creating and storing a collection of information of standard tool geometries and surface profiles machinable by each of the standard tool geometries. A customer sends a CAD file for the part to be molded to the system. The system assesses the CAD file to determine various pieces of mold manufacturing information. One or more acceptability criteria are applied to the part, such as whether the part can be manufactured in a two-piece, straight-pull mold, and whether the mold can by CNC machined out of aluminum. If not, the system sends a file to the customer graphically indicating which portions of the part need modification to be manufacturable. The system provides the customer with a quotation form, that allows the customer to select several parameters, such as number of cavities, surface finish and material, which an independent of the shape of the part. The quotation module then provides the customer with the cost to manufacture the mold or a number of parts. The quotation is based in part upon mold manufacturing time as automatically assessed from the part drawings and based in part on the independent parameters selected by the customer. The customer's part is geometrically assessed so the system automatically selects appropriate tools and computes tool paths for mold manufacture. In addition to the part cavity, the system preferably assesses the parting line, the shutoff surfaces, the ejection pins and the runners and gates for the mold. The preferred system then generates CNC machining instructions to manufacture the mold, and the mold is manufactured in accordance with these instructions.

The invention relates to an alignment observation device which is applied to an exposure machine, in particular to a field-splitting microscope for realizing a rapid zooming function of an object lens. The field-splitting microscope consists of an object lens rapid-zooming device, an object lens system, an eye lens system and the like. The field-splitting microscope has the beneficial effects that the original field-splitting microscope is taken as a prototype, the operating distance of the lens and the distance between an eye-point exit pupil position and a working face are unchanged, the distance between the object lens and a reflector is increased, an object lens rapid-zooming mechanism is additionally arranged at the mounting position of the object lens, and the rotation part of the zooming mechanism is set into the form that the object lens locating surfaces of a lower turntable are positioned on the same horizontal plane; optimization design is carried out on an illumination system, and illuminating light and imaging light in a new light path are independently propagated in the horizontal direction; a steering structure of the light path is changed from an upright shape to a turning shape; and an eye-distance adjusting structure for the lens is changed from a straight-pull light-splitting structure to a rotary light-splitting structure. By utilizing the field-splitting microscope, the rapid zooming function of the object lens can be realized in the case of switchover between coarse alignment and fine alignment.

An arrangement structure of a double-pull-rod steering system of a passenger vehicle comprises a steering machine, a steering vertical arm and a middle vertical arm assembly, wherein the middle vertical arm assembly comprises a middle vertical arm support, a vertical arm supporting shaft and a middle vertical arm; the steering machine is fixed into a vehicle frame left longitudinal beam through a steering machine support; the middle vertical arm comprises a vertical arm body, and a vertical arm rotating end and a vertical arm conical hole end which are connected with the two ends of the vertical arm body respectively; the middle vertical arm support is fixed to the vehicle frame left longitudinal beam; a conical hole 1 and a conical hole 2 are formed in the front end and the back end of the vertical arm conical hole end; one end of the steering vertical arm is connected with an output shaft of the steering machine; the other end of the steering vertical arm is connected with one end of a first straight pull rod; the other end of the first straight pull rod is fixed into the conical hole 1; one end of a second straight pull rod is fixed into the conical hole 2; the other end of the second straight pull rod is fixed into a conical hole in a front axle steering upper knuckle arm. The arrangement structure of the double-pull-rod steering system of the passenger vehicle not only occupies a small space and is conducive to arrangement of a whole vehicle, but also is uniform in steering force and light and convenient in steering manipulation.

The invention relates to a straight pulling type single crystal production technology, aiming at providing an automatic detecting device for the fusion state of the single crystal and a silica fused liquid surface in a straight pulling type single crystal furnace. The device comprise a pulley, a sector conductor, a cable rope pipe externally coated with insulation materials, a steel cable, a metal seedholder, a quartz crucible, a graphite crucible, and a crucible push-off pin and the sector conductor of conductive materials; wherein, the steel cable, the pulley, a furnace body and a detecting warning circuit form a loop. The device can automatically detect the fusion state of the crystal and the liquid surface, and judge the fusion time; avoid the fusion accidents of the seedholder resulted from seedholder over-descending due to human behaviors; can monitor the fusion state of the crystal and the liquid surface in real time during the whole process, and warn the separation of the liquid surface in time; reduce labor intensity, improve the automation degree of the straight pulling type single crystal furnace and provide key techniques for the full automatic design of the single crystal furnace.

A 90-degree large bending rotating core pulling pipe fitting mold with an inverted part comprises a fixed mold plate, a movable mold bottom plate and a movable mold plate; a 90-degree bend pipe fitting is arranged between the movable mold plate and the fixed mold plate; the inverted part is arranged on a connector of the 90-degree bend pipe fitting; a 90-degree large bending core and a connector core are arranged in the inner wall; the connector core is driven by a straight pulling mechanism to perform core pulling; an inverted demolding mechanism is arranged on the connector core; the 90-degree large bending core is connected with a linkage rod which is connected with the straight pulling mechanism; a rotating plate is arranged on the movable mold bottom plate; the whole straight pulling mechanism is arranged on the rotating plate; an arc-shaped large bending rack is installed on the bottom face of the rotating plate; a motor is installed on the movable mold bottom plate; a gear on the motor is meshed with the arc-shaped large bending rack; the inverted demolding mechanism comprises a fixing hole formed in the connector core and provided with an opening; a fixing strip is installed in the fixing hole; an I-shaped inclined slide groove is formed in the fixing strip and provided with an inverted insert; the inverted insert is provided with an inverted mold cavity; and the inverted mold cavity is matched with the inverted part.

The invention provides a commercial vehicle steering axle, vehicle frame and connecting piece dynamic simulation device. The dynamic simulation device comprises a front axle model and a rear axle model, and also comprises a tyre and shock absorber dynamic model, a front axle and connecting piece kinematic pair model, a front axle tyre and road surface connection model and a front axle power assembly and steering straight pull bar model; the tyre and shock absorber dynamic model comprises a right front tyre, a right front shock absorber, a left front shock absorber and a left front tyre, the right front tyre is connected with the right front shock absorber, and the left front shock absorber is connected with the left front tyre; the tyre and shock absorber dynamic model is used for simulating the dynamic relationship between the tyre and the shock absorber; the front axle and connecting piece kinematic pair model is used for simulating the connection and dynamic effect of the front axle and connecting piece kinematic pair; the front axle tyre and road surface connection model is used for simulating the driving and friction effect between the front axle tyre and the road surface; and the front axle power assembly and steering straight pull bar model is used for simulating the dynamic relationship between the front axle power assembly and the steering straight pull bar.

The invention relates to a method for removing impurities in single crystal rod straight pulling process. The method includes that polycrystalline silicon material is placed into a quartz crucible, gradual warming is carried out until the temperature is equal to or more than the melting point of silicone, and the polycrystalline silicon material starts to be melted; when little polycrystalline silicon material is not melted, temperature in the crucible is reduced to intermediate temperature, so that the melting of residual polycrystalline silicon material is slowed or the residual polycrystalline silicon material can not be melted, then all impurities which are floating on the surface of silicon solution and have melting point higher than silicon can be gradually absorbed on the residual unmelted polycrystalline silicon material, and then seed crystal is inserted and the residual polycrystalline silicon material absorbed with impurities is slung. Compared with the original technology, the method of the invention can reduce 1-2 hours for high temperature volatilization, and all impurities having melting point higher than silicon are not melted into silicon solution, thus greatly improving purity and quality of pulled single crystal rod.

The invention discloses a hypoxia controlling method of straight pulling monocrystalline, which is characterized by the following: initial magnetic density is 300-2500GS; terminal magnetic density is 1-10GS/min; running speed of crucible is 0. 1-10rpm; running speed of crystal is 10-30rpm; pulling rate of crystal is 0. 5-3mm/min; flow rate of argon gas is 2-7m3/hr; furnace pressure is 1- 4KPa. It is effective to make oxygen content of the whole length of single crystal (charge amount of crucible: 15kg-60kg, diameter of single crystal: ªÁ2íÕ-ªÁ6) in one of three target zones (5. 5í‡1017a/cm3-7. 0í‡1017a/cm3, 5. 0í‡1017a/cm3-6. 5í‡1017a/cm3, 4. 0í‡1017a/cm3-5. 5í‡1017 a/cm3), wherein the oxygen content deviation of the whole length of single crystal is í‚0. 5í‡1017a/cm3, <heterogeneity of radial oxygen content íœ5%, yield of single crystalí¦60%.