32results about How to "Accurate pull" patented technology

An operating lever is provided at one of a front face, an upper face, and a back face of a seat including a seat cushion and a seat back. The operating lever may include a first lever having a first end and a second end, and a second lever having a first end and a second end. The second end of the first lever and the first end of the second lever may be pivotably connected to each other, and the first end of the first lever may be pivotably connected to the seat such that the first lever is configured to change an attitude of the seat. In addition, the second end of the second lever may be formed as an operating portion, and when the operating portion is operated in a direction away from the seat, the first lever and the second lever pivot may away from the seat and the attitude of the seat is adjusted.

The invention discloses a flexible-installation force and speed measuring device and relates to the technical field of cable tension and speed detecting devices of winches. The flexible-installation force and speed measuring device comprises a pulley block suspended on a fixing support through cables; the pulley block comprises a force measuring pulley and two speed measuring pulleys, which are mounted on a support rack through a force measuring hinge pin and speed measuring hinge pins respectively, wherein the force measuring pulley is arranged under the two speed measuring pulleys; winch cable passages at a wrap angle of alpha from the force measuring pulley are formed between the two speed measuring pulleys and the force measuring pulley; one of the speed measuring hinge pins is provided with a speed measuring rotary encoder, a stress sensor is arranged inside the force measuring hinge pin, and the speed measuring rotary encoder and the stress sensor are electrically connected with a microcomputer processor. Compared with the prior art, the force measuring pulley and the two speed measuring pulleys can achieve automatic adjustment to adapt to continuous change in output angles and the number of layers of the cable, and monitored tension and cable speed data can be more direct and more accurate.

The invention provides a method for packaging a cigarette carton through non-woven fabric and a cigarette carton packaging machine based on the method. The cigarette carton packaging machine is provided with a rack, a control box, a packaging, sealing and cutting platform, a cigarette side pushing device, a cigarette pressing device, a lower movable ultrasonic device of a movable multi-cutter sealing and cutting device, a tension detection roller set, a fabric pulling roller set and an unwinding roller are arranged on the rack, the cigarette side pushing device running in the horizontal direction is arranged on the right side of the packaging, sealing and cutting platform, two guide columns are arranged on the front side and the rear side of the packaging, sealing and cutting platform, guide sleeves are arranged on the guide columns in a penetrating manner, the guide sleeves are arranged on an upper movable sealing and cutting device of the movable multi-cutter sealing and cutting device, an up-down movable sealing and cutting driving air cylinder is arranged on the upper movable sealing and cutting device, the sealing and cutting driving air cylinder is arranged on the rack, and the cigarette pressing device running in the up-down direction is arranged above the left side of the packaging, sealing and cutting platform. Upgrading that the non-woven fabric is used for replacing a PE shrinkable plastic film to package a cigarette packet is achieved, and contributions are made to restraining white pollution and promoting environmental protection.

The invention discloses a two-layer copper brazed steel pipe forming unit, comprising a horizontal unreeling machine, a pipe-making forming machine, an induction heating brazing furnace, a cooling device, cleaning, air-drying and flaw detection apparatus, and a reeling device, all of which are sequentially arranged parallel to each other, wherein the horizontal unreeling machine comprises an unreeling machine base, a rotating shaft and a discharge disc; the pipe-making forming machine comprises a nose box, a strip forming power mechanism, a forming nose, a mandril holder and a mandril; the induction heating brazing furnace comprises a brazing furnace frame, a brazing furnace cover and an induction heating device; the cooling device comprises a cooling pipe support and a cooling pipe; the cooling pipe is composed of an inner pipe and an outer pipe; the cleaning, air-drying and flaw detection apparatus comprises a cleaning liquid box, a pipe cleaning machine, an air-drying device, a pipe traction device, a flaw detection device and a cleaning liquid circulating pipeline; and the reeling device comprises a reeling trolley with a brake truckle, and a receiving disc. The two-layer copper brazed steel pipe forming unit is novel and reasonable in design, high in working efficiency, high in quality of a product, wide in application range, good in using effect and convenient to popularize and use.

The invention relates to test piece mechanical strength fixtures used for manufacturing a high-strength structural adhesive and an application method. The first set of fixture is taken, a short column body of a base is inserted into a center hole of a first test piece, a long column body of the base is inserted into a hole of an outer sleeve, two pressing plates are fixed to the outer sleeve, and the first test piece is fixed to the base through the two pressing plates. The second set of fixture is taken, a short column body of a base is inserted into a center hole of a second test piece, a long column body of the base is inserted into a hole of an outer sleeve, two pressing plates are fixed to the outer sleeve, and the second test piece is fixed to the base through the two pressing plates. The long column body on the first set of fixture is fixed into an upper sleeve of a stretching force measuring machine, and the long column body on the second set of fixture is fixed into a lower sleeve of the stretching force measuring machine. The stretching force measuring machine is started to test the strength of the tensile force or torque of the whole test piece, that is, the bonding strength of the high-strength structural adhesive is tested. According to the test piece mechanical strength fixtures used for manufacturing the high-strength structural adhesive and the application method, not only can tensile force testing be conducted, but also torque testing can be conducted, and the adhesive thickness can be controlled; the tested tensile force and torque data are accurate; and the effect that the qualified rate of the automobile adhesive leaving a factory reaches 100% can be ensured.

The invention relates to a system for automatically controlling the stability of a temporary cable erection support. The system comprises a support body, a hydraulic system and a PLC control system, all inclined pulling wires are connected through the hydraulic system so that a linkage joint adjustment effect can be achieved, then the tensile force of all the inclined pulling wires can be independently or simultaneously controlled through the PLC control system, the system is easy and convenient to install, the inclined pulling wires and ground anchors can be connected only through a hydraulic cylinder, the hydraulic cylinder is controlled to stretch or retract by a hydraulic valve so that the tensile force of the inclined pulling wires can be adjusted, the responding speed is high, the tensile force is accurately controlled, and the whole set of equipment can be installed fast.

The invention relates to a temporary support for cable erection with the automatic adjustment function. The temporary support comprises a support body, a hydraulic system and a PLC control system. Stay cables are connected through the hydraulic system, so that the effects of linkage and joint adjustment are achieved. Tension of each stay cable can be independently and simultaneously controlled by the PLC control system. According to the temporary support, installation is simple and convenient, the stay cables are connected with ground anchors only through a hydraulic cylinder, tension of the stay cables is adjusted through the method that a hydraulic valve controls the hydraulic cylinder to stretch and contract, the response speed is high, tension is accurately controlled, and the whole device is installed rapidly and conveniently.

The invention relates to the technical field of mechanical measurement in the aviation field, in particular to lift force testing of small and miniature bionic flapping-wing aircrafts, and discloses a flight equipment lift force testing device, system and method. The device comprises a tension measuring part which is used for measuring data which are generated by the flight equipment in a flight state and are used for representing tension; an angle measuring part which is used for measuring data used for representing a tension angle when the flight equipment is in a flight state, and the tension angle is an included angle between the direction of the tension measuring part subjected to the tension of the flight equipment and the measuring reference surface of the angle measuring part; and an attitude measurement component which is used for measuring data for representing a roll angle and / or a pitch angle of the flight equipment in a flight state. According to the device, the accuracy of lift force measurement and calculation work is ensured, and the situation that the lift force test is inaccurate and unreliable due to the fact that a rigid connection scheme cannot reflect the flight state due to over-constraint of the degree of freedom is eliminated.

The invention relates to the technical field of low-gravity simulation devices, and discloses a movable microgravity environment simulation device. The movable microgravity environment simulation device comprises a suspension bracket, an automatic guide moving device, a route acquisition device, a hoisting device, a traction rope and a strength parameter feedback device, wherein the automatic guide moving device is arranged at the bottom end of the suspension bracket and is used for driving the suspension bracket to move; the route acquisition device is arranged on the suspension bracket and is further electrically connected with the automatic guide moving device; the hoisting device is arranged on the suspension bracket; the traction rope is connected with the hoisting device; the hoisting device drives the traction rope to be expanded or contracted; and the strength parameter feedback device is arranged on the suspension bracket and is further electrically connected with the hoistingdevice. The movable microgravity environment simulation device provided by the invention can move along with a tracked target in a full-automatic manner, can conduct various sorts of microgravity simulation on the pulled target, and is simple in structure, flexible, variable, high in using efficiency and low in cost.

The invention provides a guide rope tension measuring device, relates to the field of mechanical measurement and aims at solving the problem that the existing measuring device cannot accurately measure coring force and smoothly guide the coring force to a sample under complex selenographic environments and the multi-force composite effect. The guide rope tension measuring device provided by the invention comprises a base, a rotating shaft, a rotating block, a pressure sensor, pretightening springs, pretightening screws, a guide sleeve, a guide shaft and a guide rope through hole, wherein the base and a side end of the rotating block are fit with each other through the rotating shaft, an upper end surface of the rotating block is fixed at an upper part of the base through two pretightening screws, the pretightening springs are arranged on the pretightening screws. The guide rope tension measuring device is used for the mechanical measurement of the guide rope.

The invention discloses consumable tensile detection equipment. The consumable tensile detection equipment comprises a force measurement driver, a force meter, a force gauge, a force measurement pullring, a compression screw, a fixed nut, a fixed plate, an upper roll groove bearing, a connection shaft, a motor rotation shaft, a base, a housing, a locking block, a lower roll groove bearing, a sliding table, a feed inlet, a fixed block and a sliding seat. The consumable tensile detection equipment has the beneficial effects that the consumable tensile detection equipment is reasonable in design; the upper roll groove bearing is rotationally connected to a locking block set screw by the locking block; when a consumable is inserted between the upper roll groove bearing and the lower roll groove bearing, the upper roll groove bearing follows up the locking block to move upwards; when passage of the consumable is completed, the upper roll groove bearing follows up the locking block to be descended to compress the consumable; the force measurement driver and the force meter are in sliding connection to the sliding table by the sliding seat; the force meter is driven by the force measurement driver to move backwards so as to carry out tensile testing on the consumable; a compression block is arranged at the head part of the compression screw; the compression block is in contact connection to the upper surface of the locking block; and when the screw is operated to rotate forwards, the locking block compresses the consumable under the action of the compression block.

The invention discloses a tension sensor static calibration device and method in weightless environment. The device comprises a chassis and a shell mounted on the chassis; a dial is fixed on the chassis through a supporting column, and a graduated scale is arranged on the upper surface of the dial; a rotating shaft penetrates through the chassis and the dial and is connected with the chassis and the dial through bearings; the lower end of the rotating shaft is provided with a first gear; a servo motor is mounted on the chassis, a second gear is arranged on an output shaft of the servo motor, and the second gear is perpendicular to and meshed with the first gear; the rotating shaft is connected with a fine tuning arm; the fine tuning arm is positioned above the dial, and a distance is formed between the fine tuning arm and the dial; one end of the fine tuning arm is connected with one end of a tension sensor to be calibrated through a string, the other end of the tension sensor is connected with a standard mass balance weight through a string, a fine tuning knob for adjusting the telescopic length of the fine tuning arm is arranged on the fine tuning arm, and a balance beam is arranged on the opposite side of the fine tuning arm. The problem that a conventional calibration method is not suitable for a weightless environment is solved.

The invention discloses a flexible-installation force and speed measuring device and relates to the technical field of cable tension and speed detecting devices of winches. The flexible-installation force and speed measuring device comprises a pulley block suspended on a fixing support through cables; the pulley block comprises a force measuring pulley and two speed measuring pulleys, which are mounted on a support rack through a force measuring hinge pin and speed measuring hinge pins respectively, wherein the force measuring pulley is arranged under the two speed measuring pulleys; winch cable passages at a wrap angle of alpha from the force measuring pulley are formed between the two speed measuring pulleys and the force measuring pulley; one of the speed measuring hinge pins is provided with a speed measuring rotary encoder, a stress sensor is arranged inside the force measuring hinge pin, and the speed measuring rotary encoder and the stress sensor are electrically connected with a microcomputer processor. Compared with the prior art, the force measuring pulley and the two speed measuring pulleys can achieve automatic adjustment to adapt to continuous change in output angles and the number of layers of the cable, and monitored tension and cable speed data can be more direct and more accurate.

The invention relates to a large liquefied petroleum and natural gas boat pond test horizontal thrusting function simulation device which comprises four vertical supports, two guide rods, two linings for micro ball guide, balls, two fixed pulleys, two ropes, a plurality of weights with different masses, two tension sensors, a computer and a protractor. Every two vertical support are in a group, the two groups of vertical supports are symmetrically and fixedly arranged on banks on the two sides of an FLNG model. Each guide rod is fixedly installed on the tops of the corresponding two vertical supports on one side of the corresponding bank and is sleeved with one lining for micro ball guide, and each ball is arranged between the corresponding guide rod and the corresponding lining for micro ball guide. Each lining for micro ball guide is fixedly connected with one fixed pulley, each rope is wound on the corresponding fixed pulley, one end of each rope is connected with the weights, and the other end of each rope is connected with a boat bottom horizontal thrusting action point through one tension sensor.

The invention relates to a ship position tracking system capable of being used for long-distance transporting and shipping equipment. The ship position tracking system comprises a falling pipe lifting control device (1), a telescopic falling pipe (3), a lifting cable (5) and a lifting pulley (6), wherein a lower end discharge port (8) of the telescopic falling pipe (3) is hermetically connected with a ship cabin; the lower end of the lifting cable (5) is connected with the discharge port (8); and a tension sensor (2) is also arranged between the falling pipe lifting control device (1) and the telescopic falling pipe (3) and is connected with a sensing pulley (7). According to the ship position tracking system, the height of the lifting cable is controlled by using the tension sensor according to variation in tension of the lifting cable during variation in ship position, so that the lower end discharge port of the telescopic falling pipe is hermetically connected with the ship cabin all the time, and material loss and dust pollution caused by separation of the discharge port and the ship cabin due to variation in water level and wind wave and the bumping of the ship cabin are prevented.