36results about How to "Large working range" patented technology

A phase locked loop includes at least one control circuit, where a voltage-controlled oscillator provides an output frequency which is arranged to strive to follow an input frequency. The phase locked loop also includes an outer, slow, negative feedback control circuit, having the input frequency as a setpoint, the output frequency as a process value and an outer output signal. The phase locked loop also includes an inner, fast, negative feedback control circuit, having the sum of a reference frequency from a stable oscillator and the outer output signal as a setpoint, the output frequency as the process value and an inner output signal for controlling the voltage controlled oscillator.

A scalable, low cost, reliable, compliant, low profile, low insertion force, high-density, separable and reconnectable electrical connection for high speed, high performance electronic circuitry and semiconductors. The electrical connection can be used to make, for example, electrical connections from one Printed Circuit Board (PCB) to another PCB, MPU, NPU, or other semiconductor device.

A link actuation device includes a distal end side link hub connected with a proximal end side link hub through three or more sets of link mechanisms for alteration in orientation. By means of an actuator provided in the two or more set of the link mechanism, the distal end orientation, which is the orientation of the distal end side link hub relative to the proximal end link hub, is changed arbitrarily. The operating device includes an orientation designating unit for designating the distal end orientation aimed at by means of a coordinate position on the orthogonal coordinate system by an artificial manipulation, an orientation acquiring unit for acquiring the distal end orientation that is expressed by an angular coordinate system through calculation, and an orientation information applying unit for applying information on the distal end orientation so acquired to a control device for controlling the actuator.

The invention relates to a travelling type automatic multifunctional field operation machine which comprises a rail, a travelling rack and an operating system, wherein the travelling rack is arranged on the rail, the operating system is installed on the travelling rack, and various agricultural implements are installed at the lowest part of the operating system. The travelling type automatic multifunctional field operation machine can finish the following functions: 1, the travelling type automatic multifunctional field operation machine can travel on a lateral adjusting rail and a longitudinal operation rail; 2, the operating system can carry out longitudinal and lateral operation; 3, the operating system can rotate; 4, the operating system can lift; and 5, an operating stand and a crane rail are installed on the upper part of a travelling rack body. The travelling type automatic multifunctional field operation machine has the advantages as follows: (1), the energy is saved and emission is reduced, and the machine adopts electricity as the energy and does not generate environmental pollution; (2), a person does not enter the field during operation; (3), automatic production of agriculture is realized; (4), the operation quality is improved and the foodstuff yield is increased; and (5), the efficiency is improved and the labor is saved.

A pressure welding method is provided and a pressure welding machine (1) is provided with a frame (10), two welding heads (13, 14), mobile along a feed axis (41), and two adjusting units (17, 18). The adjusting units (17, 18) include feed drives (23) for the welding heads (13, 14). The two adjusting units (17, 18) are mounted so as to be axially movable (41) on the frame (10) and are interlinked with an adjusting drive (25) by means of a common adjusting element (26) and supported in a closed system of forces while receiving the pressure welding forces, thereby relieving the frame (10). The common adjusting element (26) is configured as a continuous spindle (27) having two self-locking threads (28, 29) that run in opposite directions.

A processing device (5) is provided for automobile body parts (2). The device (5) includes a multiaxial conveying robot (6) on which at least one support or carrier (7) is disposed. The at least one support (7) is provided with one or several multiaxial processing units, preferably small robots (10). The small robots (10) support different tools and can be controlled individually.

The invention relates to a pressure welding method and a pressure welding machine (1) which is provided with a frame (10), two welding heads (13, 14), mobile along a feed axis (41), and two adjusting units (17, 18) comprising feed drives (23) for the welding heads (13, 14). The two adjusting units (17, 18) are mounted so as to be axially movable (41) on the frame (10) and are interlinked with an adjusting drive (25) by means of a common adjusting element (26) and supported in a closed system of forces while receiving the pressure welding forces, thereby relieving the frame (10). The adjusting element (26) is configured as a continuous spindle (27) having two self-locking threads (28, 29) that run in opposite directions.

A leg-arm-paddle underwater robot is provided in the present invention, which includes: a frame, an operating mechanism, a traveling mechanism, and a propulsion mechanism. The traveling mechanism is adapted to enable the leg-arm-paddle composite underwater robot to travel. The propulsion mechanism is adapted to enable the leg-arm-paddle composite underwater robot to float in water. The operating mechanism includes a first robot arm, a second robot arm, and a first mounting base, wherein the first mounting base is detachably connected to the frame. Both the first robot arm and the second robot arm are rotatably connected to the first mounting base, and rotation centers of the first robot arm and the second robot arm are the same. The operating mechanism of the leg-arm-paddle composite underwater robot has a compact structure and a large working range. The leg-arm-paddle composite underwater robot has reduced volume, enhanced operation capability, wide applicability, and strong practicability.

The invention discloses a DELTA parallel manipulator and a DELTA parallel robot. The manipulator comprises a movable platform, wherein three articulated holes are symmetrically formed in the side of the movable platform; extending holes are formed in the middle part of the movable platform; installing holes are formed in the peripheries of the extending holes; a motor is arranged at the upper part of the movable platform and screwed with the movable platform; a shaft sleeve is arranged at the lower part of the movable platform; in the shaft sleeve, the output shaft of the motor is coupled with a tail end execution part; the robot comprises the manipulator; because the scheme that the motor is arranged on the movable platform is adopted, the purposes such as large transferred moment, the quick response speed of the output shaft, and the large operating stroke range of the manipulator can be realized.

A single-chip two-axis magnetoresistive angle sensor comprises a substrate located in an X-Y plane, a push-pull X-axis magnetoresistive angle sensor and a push-pull Y-axis magnetoresistive angle sensor located on the substrate. The push-pull X-axis magnetoresistive angle sensor comprises an X push arm and an X pull arm. The push-pull Y-axis magnetoresistive angle sensor comprises a Y push arm and a Y pull arm. Each of the X push, X pull, Y push arm, and Y pull arms comprises at least one magnetoresistive angle sensing array unit. The magnetic field sensing directions of the magnetoresistive angle sensing array units of the X push, X pull, Y push, and Y pull arms are along +X, −X, +Y and −Y directions respectively. Each magnetoresistive sensing unit comprises a TMR or GMR spin-valve having the same magnetic multi-layer film structure. A magnetization direction of an anti-ferromagnetic layer is set into a desired orientation through the use of a laser controlled magnetic annealing, and a magnetic field attenuation layer can be deposited in the surface of the magnetoresistance angle sensing unit.

In a cutting machine (2), including rotatably mounted cutting or shearing tools (19), a loading ramp and a hauling means (4) extend in a direction towards a mine face for receiving and hauling cut or sheared material. The cutting or shearing tools (19) are mounted on a slide which is displaceable on guides extending in the longitudinal direction of the machine. The guides are comprised of tubes or rods connected with a machine flame in the region of the track-laying gears (1), preferably within the track-laying gear frame. The slide is comprised of longitudinal spars (10) and a crossbeam (9) for mounting the cutting or shearing tools (19). The machine frame, at least in its front region adjacent the crossbeam (9), is designed as a box section (3), within the clear width of which the hauling means (4) is guided in a manner so as to be displaceable in the longitudinal direction of the machine.

A minimally invasive surgical apparatus provided with chain joints adopts the technical scheme that a joint is composed of the chain joints, teeth are arranged at two ends of chain plates of the chain joints and the teeth of each two adjacent chain plates in the same line are meshed with each other, and achieves the technical effects that the chain joints can be bent to two sides in a wide range and with a large curvature and are positioned accurately, and all bent parts are rigid enough. The minimally invasive surgical apparatus is suitable for stirring, separating, clamping, shearing, puncturing, suturing, nailing or looping tissues and organs of a human body or implants, can be used for dissecting and separating tissues, coagulation hemostasis or cutting tissues with electrotomes, and can be used as a draw hook after being bent and positioned.

The invention relates to a detection method and device for bottom thread of a computer embroidering machine, utilizing the motion amplitude of a thread take-up spring on a tension seat to judge the thread break condition; work is judged to be normal when the motion amplitude of the thread take-up spring can reach the maximum value, an upper thread is judged to be broken when the motion amplitude of the thread take-up spring is zero, and the upper thread is judged not to be broken but a bottom thread to be broken when the motion amplitude of the thread take-up spring only can reach an intermediate value between the maximum value and the minimum value. The device of the invention is provided with an upper thread detection contact above the thread take-up spring of the tension seat, and a bottom thread detection contact is arranged below the thread take-up spring; the thread take-up spring, the upper thread detection contact and the bottom thread detection contact are electrically connected with a thread broken alarm circuit respectively so as to send an electric connection signal of the upper thread detection contact, the bottom thread detection contact and the thread take-up spring to the thread broken alarm circuit. The invention has the advantages of high sensitivity, simple structure, easy processing and installation, low requirement, low electronic control cost and reliable work and can distinguish whether the upper thread is broken or the bottom thread is broken.

The invention discloses an efficient mortar spraying and plastering integrated device and a working method thereof. The device comprises a control system, a moving frame, a vertical guide rail arranged on the moving frame, a lifting frame arranged on the vertical guide rail, a transverse guide rail, a transverse scraper blade, a transverse moving base arranged on the transverse guide rail, a laser radar and a mortar nozzle, wherein the transverse guide rail and the transverse scraper blade are arranged on the lifting frame, the laser radar and the mortar nozzle are arranged on the transverse moving base, the control system is electrically connected to the laser radar, the mortar nozzle and driving mechanisms of the moving frame, the lifting frame and the transverse moving base, the transverse scraper blade, the laser radar and the mortar nozzle all extend forwards, the front side of the transverse scraper blade is located at the foremost end, the laser radar and the mortar nozzle are higher than the transverse scraper blade, the laser radar is used for detecting the distance to the right-ahead wall surface and detecting whether holes and pits exist in the right-ahead wall surface, and the control system is used for controlling the device to conduct spraying and plastering work according to a set path and adjusting the device action according to real-time feedback of the laser radar to ensure that the wall surface is sprayed flatly. The efficient mortar spraying and plastering integrated device and the working method thereof are high in working efficiency and high in precision.

A walking device with a self-adaptive track gauge and wheel pressure for preventing rail gnawing comprises a first rail, a second rail parallel to the first rail, a driving trolley disposed on the first rail, a driven trolley disposed on the second rail, two beams connected between the driving trolley and the driven trolley and each of which having a sliding groove, and an electric hoist disposed on the two beams. The driving trolley is hung on the first rail through a first bearing wheel, and the driven trolley is hung on the second rail through a second bearing wheel. The driving trolley is connected with a driving motor, and the driving trolley is configured to drive the driven trolley to synchronously move along length directions of the first rail and the second rail through the two beams, so that the electric hoist is driven to synchronously move.

The invention belongs to the technical field of pressure sensors and discloses an electrochemical principle-based self-power generating type pressure sensor and a preparation method thereof. The pressure sensor comprises a sensing structure; the working environment of the sensing structure is an electrolyte environment; the sensing structure is used for converting pressure to be measured into electric energy; and the pressure sensor obtains current pressure according to the relationship between current generated by the converted electric energy and corresponding pressure, and current at present, and therefore, the real-time monitoring of the pressure to be measured is realized; the sensing structure realizes self-power generation based on an electrochemical principle; the sensing structurecomprises an interlayer structure, a working electrode and a counter electrode; and the working electrode and the counter electrode are disposed in the interlayer structure and are respectively arranged on adjacent interlayers. The pressure sensor of the invention has the advantages of no energy consumption, high response speed and strong liquid environment applicability.

The invention discloses a ground level levelling instrument, comprising a frame below which a stand column is arranged. The frame consists of longitudinal beams and a beam, wherein a slide bar is arranged between two longitudinal beams and is arranged in a slideway on the longitudinal beam; the slide bar is downwards provided with a trapeze bar; and the lower end of the trapeze bar is provided with a scraping plate. The device can quickly level ground, improves levelling quality, saves time and labor, improves efficiency, lowers cost and reduces environment pollution.

The invention discloses a telescopic and bendable pump truck arm support mechanism. A pump truck provided by the invention is provided with three sections of arm supports, wherein the three sections of arm supports fall on a chassis bracket of the pump truck after being folded in turn. A plurality of telescopic arms are arranged in each section of arm support; 1 to 3 telescopic arms are arranged in the first section of arm support; 1 to 2 telescopic arms are arranged in the second section of arm support; and 1 to 2 telescopic arms are arranged in the third section of arm support. Power is provided for the telescopic arms in each arm support by a multi-stage oil cylinder; and a material distributing rod also adopts a multi-stage telescopic mode. When the mechanism works, a lifting oil cylinder is operated first to unfold arm sections and then a telescopic oil cylinder is operated to make the material distributing rod reach a working position. In the telescopic and bendable pump truck arm support mechanism, the combination of a telescopic mode and a folding mode is adopted, so that the total number of suspension arms of the arm supports reaches 6 to 8, and working amplitude and working height are greatly increased; and when the telescopic and bendable pump truck arm support mechanism works in a short distance, because the height of a highest point of the arm support is reduced, energy is saved. Moreover, a manual valve is arranged at the extreme end of the material distributing rod, the loss of concrete can be reduced by closing the valve when the material distributing rod is moved.

A SINR-based intrusion detection system comprises a first antenna, a second antenna, and an arithmetic unit connected to the second antenna. The first antenna simultaneously transmits one or plural beams having mutually different frequencies in an enclosed space so as to cover the enclosed space. The second antenna receives signals of the one or plural beams so as to capture signal parameters of the beam. The arithmetic unit is connected to the second antenna and detects the signal parameters in an always-on manner so as to obtain a SINR value from the signal parameters, comparing the SINR value to a predetermined threshold range, and determining that there is object intrusion when the SINR value falls within the predetermined threshold range.

The invention provides a fire fighting truck which comprises a chassis, a boom system, a spraying system, a hydraulic system and an electrical control system. The boom system, the spraying system, the hydraulic system and the electrical control system are arranged on the chassis, the chassis comprises a supporting device, a power system and a running unit. The boom system comprises multiple folding arms which are sequentially hinged, the first arm of the multiple folding arms is connected with the supporting device, the spraying system comprises a delivery pipe extending from the multiple folding arms, an ejector arranged at the tail end of the multiple folding arms and a medium pump for pumping a medium towards the ejector. The hydraulic system comprises a hydraulic pump for driving the multiple folding arms to perform amplitude variation, the electrical control system is connected with the power system and the hydraulic system, and the power system can selectively provide power for at least one of the running unit, the medium pump and the hydraulic pump. The fire fighting truck can achieve full-level work or even work at the position lower than the fire fighting truck through a whole folding boom and the boom system and is large in boom working amplitude, flexible in action and capable of striding over an obstacle to perform extinguishment.

A novel robot for unboxing comprises a mechanical arm with at least five rotational degrees of freedom, wherein a tool head capable of conducting sand box unboxing operation is arranged at the tail end of the mechanical arm, and the tool head at least comprises a drilling and milling tool capable of conducting drilling and milling on molding sand in sand boxes and a carrying gripper capable of carrying the sand boxes. According to the novel robot, the mechanical arm is provided with the at least five rotational degrees of freedom and can perfectly simulate a human arm to freely move, the mechanical arm is provided with the tool head, the tool head has multiple structural forms and is detachably mounted on the mechanical arm, and the tool head can be automatically replaced by the mechanical arm according to different unboxing operations. The novel robot further comprises a heavy-load positioner, the multiple sand boxes can be arranged and borne simultaneously, the angles of the sand boxes are changed through the heavy-load positioner, and the unboxing operation of the sand boxes is carried out in cooperation with the mechanical arm. The novel robot has the advantages of being simple in structure, high in practicability, convenient and flexible to act, and capable of greatly relieving the labor intensity of workers.

The invention discloses a rotary drilling rig which comprises a drill rod, a drill rod guide pole, a guide plate, a silk pole, a silk pole fixing plate, a silk pole drive motor and a silk pole gearbox, wherein the drill rod is connected with a drill rod drive motor, a bit is installed at the front end of the drill rod, one end of the guide pole is fixed on a base, one end of the silk pole penetrates through a silk pole drive hole of the guide plate and a silk pole locating hole arranged on the silk pole fixing plate and is fixed through a rolling bearing, the other end of the silk pole is connected with the silk pole gearbox fixed on a fixed base, the silk pole drive motor is installed on the silk pole gearbox, and the drill rod is connected with the drill rod drive motor through a drill rod gearbox. The invention has the advantages of simple structure, high verticality control accuracy and large work range and can provide larger stable axial static pressure.