126results about How to "Fast stretching" patented technology

The invention discloses a device with multiple sections of telescopic jibs, comprising a fringe connection part and a bolt connection part; the fringe connection part comprises at least two sections of telescopic jibs located in the inside and connected with a travel cable through a turning wheel; the bolt connection part comprises at least one section of telescopic jib located at the outside and connected with a cylinder pin through a jib pin and a basic jib (211); a cylinder tube (281) of a telescopic cylinder (28) is connected with the outmost section of telescopic jib of the fringe connection part. Therefore, in the extending processing of the telescopic jibs, each section of telescopic jib of the fringe connection part extends synchronously, which increases the extending speed of the device with multiple sections of telescopic jibs as well as the working efficiency; at the same time, because the fringe connection part is connected with the bolt connection part by the jib pin (262), and the axial force between the telescopic jibs is transmitted through the jib pin, the stress condition of the telescopic cylinder (28) is improved, the size is reduced properly so as to reduce the cost. The invention further discloses an automobile crane comprising the device with multiple sections of telescopic jibs.

The invention discloses an adjustable lifting platform used in aerial work for line construction. The adjustable lifting platform comprises an insulation movable base, a lifting support, a primary lifting device, a secondary lifting device and an operation platform, wherein a driving traveling wheel, a universal driven traveling wheel and a brushless hub motor are arranged on the bottom of the insulation movable base, the driving traveling wheel and the universal driven traveling wheel are both connected with the brushless hub motor, the lifting support is in the shape of a reversed U and fixedly arranged at the upper end of the insulation movable base, the primary lifting device is arranged on the inner side of the lifting support, the secondary lifting device is arranged above the primary lifting device, the operation platform is fixedly arranged at the upper end of the secondary lifting device, guardrails are arranged around the operation platform, a tool accommodating table is arranged on the operation platform, and a controller is arranged on the tool accommodating table. The adjustable lifting platform is novel in structural design, convenient to operate, and capable of achieving two-stage lifting and improving line construction efficiency, a constructor can operate the controller alone to achieve lifting, rotation and movement, and using is quite convenient.

The invention discloses a multifunctional automatic elastic compartment automobile which comprises an automobile body, an automobile frame and a compartment which is elastic, wherein the elastic compartment comprises an elastic compartment framework connected to the automobile frame, an elastic bottom frame connected to the bottom of the elastic compartment framework, an elastic top cover connected to the top of the elastic compartment framework, a compartment wall connected to the periphery of the elastic compartment framework as well as an elastic mechanism which is connected to the elastic compartment framework, the elastic bottom frame and the elastic top cover; the elastic bottom frame is internally provided with a bottom surface clearance closed device; the elastic top cover is internally provided with a top cover clearance closed device; the compartment wall is provided with a compartment door; an elastic power drive system and a covering mechanism component are placed in the elastic compartment; and the elastic mechanism and the elastic power drive system are connected. The multifunctional automatic elastic compartment automobile provided by the invention is compact in structure, is novel and reasonable in design, has good driving stability, has a large internal space after the compartment unfolds, and has rapid elastic speed of the compartment, high accuracy, high practicability, and high popularization and application value.

The invention relates to a horizontal luffing grab portal crane, including a four-bar linkage level luffing boom system, a travelling mechanism and a gantry structure. The crane is characterized in that: a luffing mechanism comprises a triple screw, a screw pedestal and an electric transmission mechanism. The outside of the triple screw is provided with a telescopic cover, the inside of the screw pedestal is equipped with a sleeve with nuts, and two ends outside the sleeve are provided with bearings in the screw pedestal. The electric transmission mechanism comprises a motor, a driving gear and a brake apparatus. The end of the triple screw is hinged to a boom, and the luffing mechanism is equipped with a speed adjustable control system. The four-bar linkage boom system and a gantry beam are both girder construction which employs a T-shaped structure and a rectangular pipe. The T-shaped structure is a main chord member, and the rectangular pipe as a web member is welded on a web member gusset plate. In the blanking process, the T-shaped structure and the web member gusset plate are integrated through numerical control cutting. The crane of the invention has high operating cycle frequency which can reach 6 million times, high luffing speed, smooth running of grab bucket, high operating efficiency and long service life.

The invention discloses an elastic scalability method and system, and belongs to the field of communications. The method comprises the following steps: acquiring monitoring data of an application supported by a scalability pool, wherein the scalability pool comprises at least one scalability group, each scalability group comprises at least one pre-created virtual machine, and each virtual machine is pre-deployed with an application; performing scalability decision on each scalability group according to the monitoring data; when deciding to expand the virtual machine in the target scalability group, selecting the first virtual machine from the virtual machines in dormancy state included by the target scalability group, and awakening the first virtual machine. Through the adoption of the method disclosed by the invention, the problem that the elastic scalability scheme provided by the prior art cannot meet the fast expansion demand; through the pre-creating of the virtual machine and the pre-deploying of the application, the virtual machine in the dormancy state is awakened, namely, the fast expansion of the application node is realized, the technical effects of improving the scalability speed and meeting the fast scalability demand are achieved.

The present disclosure discloses a desk-mounted lifting platform comprising a workbench, an upper support and a low support. The workbench is connected to the upper support. A first lifting arm and a second lifting arm are arranged between the upper support and the lower support. The first lifting arm and the second lifting arm are X-shaped and hinged at an intersection thereof. An upper end of the first lifting arm is hinged with the upper support. A lower end of the first lifting arm is slidably fitted on the lower support. A lower end of the second lifting arm is hinged with the lower support. An upper end of the second lifting arm is slidably fitted on the upper support. A gas spring is arranged between the upper support and the lower support. The gas spring is used for providing a lifting force to lift the upper support.

The invention belongs to the field of polytetrafluoroethylene functional material manufacturing, and particularly relates to a process for manufacturing high-strength low-elongation polytetrafluoroethylene filaments. The process comprises the steps that disperse polytetrafluoroethylene granules are processed in a low-temperature oil supply mode, cured and subjected to vacuum compression molding, material strips are extruded in a pushing and pressing mode, a thin film is obtained through compression, longitudinal heating stretching is conducted twice, the thin film is slit into flat filaments, the flat filaments are twisted into round filaments, heating stretching and forming are conducted on the round filaments, and the PTFE filaments of different specifications are manufactured. The filaments manufactured through the process meet the ideal indexes of high strength and low elongation, thereby being an improvement and breakthrough in the quality of polytetrafluoroethylene filaments.

The invention discloses a method for performing a single molecule force spectrum test in a gas phase environment, and belongs to the technical field of single molecule force spectrum measurement. Theinvention solves the problem of how to perform single molecule force spectrum detection in a gas phase environment. The test method of the invention is to first place a substrate carrying a sample ona stage, adjust the relative humidity of an AFM probe of an atomic force microscope and the environment of the sample to be less than 20%, then drive the probe to move by the expansion and contractionof a scanner, and finally, obtain a force-distance curve by parameters of a laser detector and the scanner, so as to obtain a mechanical signal of a polymer molecule in the gas phase environment. Themethod can be used for the study of the process and mechanism of single-chain force-induced fusing and melting of polymer lamellar crystal in the gas phase environment and the single-chain behavior and mechanical response of polymer molecules in the gas phase environment, and the method can adjust the stretching speed of the single molecular chain of the polymer to from tens of nanometers per second to hundreds of micrometers per second, with the resulting force-distance curve having a force accuracy of 5 pico-Newtons.

The invention belongs to the field of preparation of polytetrafluoroethylene functional materials and provides a manufacturing technology of high-strength low-elongation polytetrafluoroethylene filaments to solve the problems that the PTFE (polytetrafluoroethylene) filaments produced in the prior art generally are of low strength and excessively high elongation. The manufacturing technology includes: low-temperature oil treatment, curing treatment, compression molding, strip extruding, thermal elongating, slitting, filament manufacturing, and drawing and setting. The high-strength low-elongation polytetrafluoroethylene filaments are of strength up to 48-52 CN/tex and elongation at break, only 6% to 10%, the ideal indexes, high strength and low elongation, are achieved, and improvement and breakthrough on the quality of the polytetrafluoroethylene filaments are made; by the use of vacuum compression molding, the air in formed plastic is greatly reduced, the semi-finished products are higher in density and uniformity, and the manufacturing technology plays a key role in improving the quality of products made by the following pushing and rolling process.

The invention discloses a hydraulic power control system for a hydraulic plug type lifting system and belongs to the field of ocean engineering. The hydraulic power control system comprises a hydraulic drive assembly, a first unloading loop, a second unloading loop and a third unloading loop. The hydraulic drive assembly comprises a first hydraulic pump, a second hydraulic pump, a third hydraulic pump and a drive device which provides power for the first hydraulic pump, the second hydraulic pump and the third hydraulic pump. The first unloading loop comprises a first pilot overflow valve and a first two-position two-way electromagnetic valve. The second unloading loop comprises a second pilot overflow valve and a second two-position two-way electromagnetic valve. The third unloading loop comprises a third pilot overflow valve and a third two-position two-way electromagnetic valve. When the hydraulic power control system is used for lifting pile legs, the first hydraulic pump and the second hydraulic pump provide oil for a lifting oil cylinder, the oil supplied to the lifting oil cylinder is increased, the telescoping speed of the lifting oil cylinder is increased, and then the lifting speed of the pile legs is increased.

Processes for producing cast-coated papers showing a reduced level of curling after the preparation of the cast-coated papers and reduced curling or wavy deformation caused by moisture absorption or other reasons as well as showing a high surface quality in the cast-coated surface are provided. Thus, processes for producing cast-coated papers comprising the steps of applying a coating color based on a pigment and an adhesive on one side of a base paper, and pressing/drying the coated layer in the wet state against a casting drum mirror surface, wherein moisture is added to the coated paper by passing it through air at a high temperature and a high humidity (for 20 seconds or more) after pressing/drying the coated layer against a casting drum, as well as apparatuses therefor are provided.

The invention discloses a supporting structure part and a display device. The supporting structure part comprises a supporting frame, provided with a screen body supporting surface, and a driving part, wherein the supporting frame comprises a first sliding supporting part and a second sliding supporting part which are oppositely arranged, and the first sliding supporting part and the second sliding supporting part are movably connected in a first direction; and the driving part is arranged at the side, back on to the screen body supporting surface, of the supporting frame, and comprises a first driving mechanism, and the first driving mechanism is used for driving the first sliding supporting part and the second sliding supporting part to move at the same time in the first direction so that the first sliding supporting part and the second sliding supporting part can get close to each other or get away from each other. According to the supporting structure part and the display device, the size of a display area can be changed, and a use effect is improved for a user.

The invention relates to the technical field of mechanical engineering, in particular to a tire grabbing robot with a triple speed. The tire grabbing robot comprises a lifting part and a grabbing part, wherein the lifting part comprises two symmetrical guide rail chains; each guide rail chain at least comprises at least three sections of linear guide rails; the grabbing part is fixedly connected to the linear guide rails at the bottommost end of the lifting part. With adoption of combination of three groups of linear guide rails, the stretching and retracting distance in the vertical direction is extended greatly, the stretching and retracting speed is increased, and the tire grabbing robot can grab tires with different inner diameters without replacement of a grabbing jig.

The present invention discloses an environmental protection type low noise extrusion structure for separating water and sludge. The environmental protection type low noise extrusion structure comprises two mutually parallel horizontal rods (1) and four vertical columns (2) for supporting the two horizontal rods (1), wherein one ends of the two horizontal rods (1) are fixedly connected through a horizontal plate (3), the other ends of the two horizontal rods (1) are fixed with a gas cylinder (4), the front end of a piston rod (5) of the gas cylinder (4) is fixed with a top plate (5), both sides of the top plate (6) are respectively provided with at least a rollers (8), a plurality of brackets (7) are arranged between the two horizontal rods (1), the bracket (7) closest to the horizontal plate (3) is fixed on the horizontal rod (1) through a bolt (9), and the remaining every bracket (7) is provided with two rollers (8). With the structure, water and sludge can be completely separated, stability is strong, pollutant generation can be avoided, energy consumption of the whole process is low, and noise is relatively low.

The invention discloses a high-speed controllable telescopic wing. The high-speed controllable telescopic wing comprises a fixed wing and a fixed wing aileron which are positioned on the same side of an airplane, wherein the fixed wing can accommodate a telescopic wing which extends and retracts along the extension direction of the fixed wing; the fixed wing comprises a fixed wing upper wing plate and a fixed wing lower wing plate; a support bracket, a transmission mechanism and a limiting block are arranged on the fixed wing lower wing plate; one end, which faces an airplane body, of the telescopic wing is provided with a groove, a connecting hole and two parallel sliding chutes; one end, which is back to the airplane body, of the telescopic wing is enclosed; the support bracket comprises a connecting beam and two cantilever beams; buffering structures are arranged on joints between the cantilever beams and the connecting beam; sliding mechanisms are arranged on both sides of the cantilever beams respectively; the transmission mechanism comprises a worm wheel, a worm, a motor and a push-pull rod. The telescopic wing can be controlled to extend and retract rapidly; when the telescopic wing extends outwards, additional lifting force can be provided to enhance the flying stability; when the telescopic wing retracts, the stressed area of the wing can be reduced, the flexibility of the wing is enhanced, and the orbital transfer and speed change efficiency of an aircraft is increased.

The invention belongs to the technical field of textiles and particularly relates to a suspended cloth cutting machine. The suspended cloth cutting machine comprises a frame body and a base, and the sides, away from a cutter, of square airbags are provided with fourth pneumatic cylinders fixedly connected to the lower surface of a fixing plate; the fourth pneumatic cylinders are communicated withthe square airbags, the protruding ends of the fourth pneumatic cylinders are disposed vertically downward and fixedly connected with second pressing plates respectively, and the second pressing plates and first pressing plates are staggered; a second groove is formed in the portion, below the cutter, of the base, a vertical third pneumatic cylinder is fixedly connected in the second groove, the protruding end of the third pneumatic cylinder is fixedly connected with a jacking block, a cutting groove is formed in the upper surface of the jacking block, and the width of the cutting groove is greater than the thickness of the cutter. According to the suspended cloth cutting machine, through swing cutting of the cutter and the design of the arc surface of a cutting blade of the cutter, a cloth is cut more thoroughly; through the staggered arrangement of the first pressing plates and second pressing plates, the cloth is tightly pulled, so that cutting is smoother.

The invention discloses feeding and blanking device and method for automatically conveying electric energy meters based on a rail guided vehicle (RGV). The device comprises a transfer box, a horizontally arranged walking device, a robot for grabbing the electric energy meters, and a carrier for supporting the transfer box, wherein the N electric energy meters are placed in the transfer box; the walking device comprises a ground track; a sliding seat is slidably connected above the ground track and is connected with a drive device; the robot is arranged above the sliding seat; and a linear module for driving the carrier to move up and down is arranged on the bottom part of the carrier, and is perpendicularly arranged on the sliding seat and located on one side of the robot. According to thefeeding and blanking device and the method for automatically conveying the electric energy meters based on the RGV provided by the invention, the robot can feed and blank at different positions, so that the defect of single feeding and blanking position of an original robot is overcome; by utilizing the carrier, the transfer box and the robot move synchronously, and meanwhile, the stacking of transfer boxes is realized; and the carrier is arranged in a secondary telescoping way, so that no space is occupied, the speed is fast, and the working efficiency is high.

The invention relates to a fork type transfer loading mechanism in a vehicle body transfer loading system. A middle-layer fork is slidingly inserted in a bottom-layer fork; an upper-layer fork is slidingly inserted in the middle-layer fork; a bottom-layer rack is fixed on the bottom-layer fork; a middle-layer rack is fixed on the middle-layer fork; an upper-layer rack is fixed on the upper-layer fork; a main gear box is fixed on the bottom-layer fork; a main gear is mounted in the main gear box; a first driving gear is mounted in the main gear box on the left side of the main gear; a second driving gear is mounted in the main gear box on the right side of the main gear; and a front-end driven gear, a back-end driven gear and odd transition gears are rotationally mounted on the middle-layer fork. The fork type transfer loading mechanism is fast in extension speed, high in travel, simple in structure and reliable in use, can reduce the labor intensity of workers, and can improve the production efficiency.

The invention discloses a full-automatic stacking machine. The full-automatic stacking machine comprises an upper rail, a lower rail, upper guide wheels, a lower guide wheel, a lifting table, a telescopic fork and a control box; the upper guide wheels are in fit connection with the upper rail, one end of each upper guide wheel is arranged in the upper rail, and the other ends of the upper guide wheels are connected with an aluminum guide rail; one end of the lifting table is in fit connection with the aluminum guide rail, and the other end of the lifting table is connected with the upper guide wheels through a belt wheel and a lifting belt; the telescopic fork is arranged on the lifting table, a detector is arranged on one side of the telescopic fork, and a lower cross beam is fixedly connected to the lower end of the lifting table; the lower cross beam is connected with the lower rail through the lower guide wheel; and the full-automatic stacking machine is simple in structural principle, rapid warehouse entering and taking of storage boxes can be achieved, and the automation degree is high.