72results about How to "The relative position is the same" patented technology

The present invention relates to a hearing aid, which allows a hearing aid user to discretely operate his/her hearing aid by applying a force to a portion of the ear carrying the hearing aid. A number of different functions of the hearing aid, such as turning a battery supply on/off, adjusting a volume control, selecting a particular pre-programmed listening program, etc., may be provided in a hearing aid according to the present invention—all without directly engaging the hearing aid or switches or potentiometers thereof. Furthermore, if the hearing aid is adapted for use within the ear canal, the present invention may provide user assistance so to allow simple and convenient removal of the aid from the ear canal.

The present utility model relates to a fastener for cord, wherein said fastener comprises a base body 1 and a holding portion 2 connected thereto, the holding portion 2 has a through hole 3 for receiving said cord, a slit 4 is arranged in the side wall of the through hole, and the side wall of the through hole is separated into a first part and a second part by means of said slit. With the fastener, the cord of an article can be fastened so as to retain if in the same position. In this way, even if the cord is relatively long, it can be simply fastened by means of the fastener to retain its stretched state, and it needn't to be rolled up while being out of use. Therefore, it is much more convenient for the users to use the cord again.

The invention relates to an injector head (2) comprising; a pair of oppositely located, cooperatively movable, segmented continuous belt drive chains (21; 22), said each belt drive chain (21, 22) running over a respective pair of drive sprockets (25a, 25b) and tension sprockets (26a, 26b), wherein a tubing receiving section (7′) is defined between the belt drive chains (21, 22). The tubing receiving section (7′) having a tubing section centerline (46) extending through the center of the tubing receiving section (7′). The injector head (2) having an injector centerline (45) extending through the centerline of the injector head (2), said injector centerline (45) and said tubing section centerline (46) being substantially aligned in the longitudinal direction in an initial position, a pair of elongate counter-force members (32a, 32b) is positioned at each side of the tubing receiving section (7′). The injector head (2) has at least one actuator (35) adapted to move at least one of said elongate counter-force elongate member (32a, 32b) in order to bring the tubing section centerline (46) out of alignment with said injector centerline (45).

A railway installation monitoring system may include: a laser generator that is provided on a train; a camera that is operated in connection with the laser generator so as to be capable of monitoring a railway installation and of acquiring image information data that is measured; a three-dimensional image information conversion device that uses the image information data acquired by the laser generator and the camera and converts the data into three-dimensional image information; a position determination unit that determines the position of the railway installation to be measured; a signal processing device that sends an operating command for the laser generator or/and the camera; and an overall data processing device that processes, analyzes, interprets, or stores the image information data, the three-dimensional image information, or the data transmitted from the position determination unit.

The invention provides a design method for hinge points of a pullshovel working device of a monobucket hydraulic excavator and belongs to the technical field of monobucket hydraulic excavators. The design method for a hinge point (B) of a movable arm oil cylinder and a movable arm and a hinge point (F) of the movable arm and a bucket rod is characterized by comprising the following steps of: 1, selecting the size and the pose of the working device of an original excavator; 2, establishing a mechanism model; 3, enabling the movable arm oil cylinder to be equivalent to an equal-diameter rod during full shrinkage; 4, establishing a mechanism elastokinetics model; 5, establishing a system quality matrix and a stiffness matrix; 6, establishing constraints; 7, performing optimum design on the hinge point B; and 8, performing optimum design on the hinge point F. According to the method provided by the invention, the hinge points are designed through calculating the maximal hinge point position at natural frequency of the pullshovel working device by utilizing a particle swarm optimization intelligent algorithm, so that the method provided by the invention has the advantages of short design period, high programming degree, systematically improved dynamic characteristic of the pullshovel working device, and the like.

A digital potentiometer includes a string of impedance units in series. The string includes identical first and second sets of impedance units whose individual impedance values increment by a power of two. One of a plurality of switches is coupled in parallel with each respective impedance unit. The switches that are coupled to the first set of impedance units receive logical control signals complementary to logical control signals received by the respective switches coupled to the second set of impedance units, so that for every impedance unit of the first set that is bypassed (not bypassed), the identical impedance unit of the second set is not bypassed (bypassed). The string may include only the first and second sets of impedance units, or may include at least one third impedance unit in series with the first and second sets in a multi-stage design.

The invention discloses heat and sound insulation vacuum glass and a manufacturing method thereof. The vacuum glass comprises two parallel opposite glass plates; the two glass plates are sealed and bonded by sealing materials to form a sealed space; a suction opening is arranged on one of the glass plates; the space between the two glass plates is vacuumized through the suction opening; the suction opening is sealed by a sealed tube; a plurality of supports are printed and arranged on the inner wall of at least one of the glass plates; and a plurality of supports are supported between the two glass plates. Because the printing technology is very mature at home, the same positions of the supports among all products are effectively ensured; the invention has the characteristics of good repeatability and visual effect, high production efficiency and low production cost; and the supports and the glass plate on which the supports are positioned are sintered, hardened and melted into a whole so that the supports can be positioned permanently, thereby effectively preventing the surface of the vacuum glass from being deformed.

An apparatus (10) for supporting a winding (7) on a stator (1), in particular on a generator stator in a power station. The winding (7) has an end winding (9) which is supported axially on the core (2) of the stator (1) via winding supports (11) of the supporting apparatus (10). The winding supports (11) are supported on the end winding (9) via a stressing device (22), at right angles to an envelope surface (21). In order to improve the axial position between the winding support (11) and the end winding (9) during operation of the stator (1), a coupling device (23) is provided which allows relative movements between the end winding (9) and the winding support (11) in the circumferential direction and at right angles to the envelope surface (21), and prevents such relative movements in an envelope line direction (30).

This invention relates to a light emitting device (100) having a movable collimating unit for adjusting the output direction of light being emitted from the light emitting device. The light emitting device comprises a base unit (110), and a light output unit (120) which is engaged with the base unit. The light output unit comprises at least one light source (121) for emitting light. The light emitting device further comprises a movably arranged collimating unit (130) for adjusting the direction of the emitted light, which is arranged such that it encompasses a light output portion (125), which is arranged on the light output unit.

A dispensing apparatus includes a storage container having an outlet flange with a component outlet which is at least partly surrounded by an inlet flange. The inlet flange is configured to adopt a closed position and a dispensing position with respect to the outlet flange. A change from the closed position into the dispensing position is carried out by a rotation of the inlet flange with respect to the outlet flange. The component outlet is arranged at a cylindrical jacket surface of the outlet flange. The first component outlet is closed by the inlet flange in the closed position of the inlet flange. In the dispensing position, a connection is established by a crossover passage between the first component outlet and a dispensing opening.

The invention discloses a locating and shaping device and relates to the technical field of product shaping equipment. The locating and shaping device comprises an attraction locating device and a shaping device. The attraction locating device comprises an attraction locating assembly capable of longitudinally moving. The attraction locating assembly comprises multiple clamping blocks capable of transversely moving. The clamping blocks can provide transverse clamping force for products. The shaping device comprises an upper shaping device body and a lower shaping device body, wherein the upper shaping device body and the lower shaping device are oppositely arranged on the upper side and the lower side of an installation base plate correspondingly. The portion, corresponding to the shaping device, of the installation base plate is provided with a vertically-through hole. The upper shaping device body and the lower shaping device body each comprise a shaping plate capable of moving up and down. Each shaping plate is provided with shaping grooves adaptable to the structure of components to be shaped. The locating and shaping device can achieve accurate locating of the product, the shaped product components are good in consistency, the shaping efficiency is high, the yield of the products can be improved, automatic product is facilitated, and the production cost of an enterprise is reduced.

A seat with an adjustable seat depth is also provided, along with various methods for operating the different aspects and embodiments of the seating structure. In one embodiment, a seating structure includes a support structure and a carriage moveably supported by the support structure. The carriage is moveable relative to the support structure in opposite first and second longitudinal directions. A flexible body support member has a first portion coupled to the support structure, a second portion coupled to the carriage, and a third curved portion positioned between the first and second portions. The third portion is moveable toward and away from the support structure as the carriage is moved relative to the support structure in the first and second directions respectively.

The invention belongs to the technical field of winches, and discloses a freight winch structure with a good use function. The freight winch structure comprises a machine shell, a driving device is fixedly arranged at the rear end of the machine shell, a first duplicate gear is movably connected to the front end of the right end of the machine shell, a traction assembly is fixedly arranged at the left end of the first duplicate gear, and the bottom of the front end of the machine shell is movably connected with a double-thread ball screw. According to the freight winch structure, a forward rotation gear drives the double-thread ball screw to rotate, an air cylinder drives a selection gear to move rightwards, the selection gear is separated from the forward rotation gear and meshed with a second duplicate gear, therefore periodic reverse rotation of the double-thread ball screw is achieved, and the double-thread ball screw can drive two meshing blocks to periodically reciprocate left and right, so that traction ropes can be uniformly arranged on the surface of a winding pipe, the winding positions and the winding displacement directions of the two groups of traction ropes are ensured to be completely the same, and the traction and dragging stability of a device is ensured.

The invention discloses a silk yarn detection device and method after chemical fiber silk yarn coloring and forming, and the device comprises a detection platform, the detection platform is slidably provided with a conveying device used for conveying silk yarns, and the detection platform is slidably provided with a first driving device used for driving the conveying device to do reciprocating motion; the detection platform is provided with a second driving device used for driving the first driving device to slide, and the detection platform is provided with a wear resistance detection device used for detecting the wear resistance of the silk threads. According to the detection device, the first winding device at one end is used for releasing the silk yarn, the first winding device at the other end is used for winding the silk yarn, the silk yarn between the two first winding devices is tensioned, and after tensioning, the silk yarn between the two first winding devices is clamped through the clamping device; therefore, the silk threads on the winding drum can be prevented from being pulled in the silk thread grinding process, and the positions of the silk threads can be the same when the silk threads are clamped every time.

The invention discloses a pore-forming pouring pile inclination detection auxiliary device applied to inclination detection of a pore-forming pouring pile under the condition of dry operation. The pore-forming pouring pile inclination detection auxiliary device comprises an upper beam, a lower beam and clamps, wherein the center points of the upper beam and the lower beam are coincided and are rotationally connected with each other; and two end parts of the upper beam and two end parts of the lower beam are fixedly provided with the clamps separately to be used for horizontally fixing the upper beam and the lower beam to a pre-buried protective cylinder during pore-forming pouring pile inclination detection. The pore-forming pouring pile inclination detection auxiliary device is simple instructure, low in manufacturing cost and light in weight by comprising the upper beam, the lower beam and the clamps, only needs to fix the upper beam and the lower beam to the pre-buried protective cylinder by the clamps during detection and is very convenient to mount and disassemble; and a pouring pile is subjected to one pore-forming depth detection when one circulation section is constructedevery time, inclination condition of the pouring pile can be primarily judged through a detection result in each circulation section, and the purpose of guiding construction while performing detectionis realized.

The invention discloses an endoscope sheath tube adaptive to neural navigation. The sheath tube comprises an outer sheath (1), an inner sheath (2) and a nerve navigation probe fixing device (3), wherein the nerve navigation probe fixing device (3) fixes a nerve navigation probe (4) in the inner sheath (2), the inner sheath (2) is detachably connected in the outer sheath (1) in a sleeving manner, and the outer sheath (1) of the endoscope sheath tube can serve as a working channel during brain surgery; the sheath tube has a precise positioning function, so that the reliability and efficiency of the surgery are improved, the risk and time of the surgery are reduced, and great surgical wounds can not be caused to patients.