33results about How to "Meet distance requirements" patented technology

The invention provides a smart hand function rehabilitation device. The smart hand function rehabilitation device comprises a smart hand insertion board, a smart hand insertion board upper cover (6) and an electric connector (5), wherein the smart hand insertion board comprises at least one cylinder (1), a hand insertion board base platform (2), a first transmission device (81) and a control device (7), the hand insertion board base platform (2) is provided with a plurality of concave holes (3), a first female socket (41) and a second female socket (42), first magnetic induction devices (11) and second magnetic induction devices (31) are respectively arranged in the at least one cylinder (1) and the concave holes (3), the first magnetic induction devices (11) and the second magnetic induction devices (31) can be matched for identification and generate interaction signals, the first transmission device (81) is connected with the first magnetic induction devices (11) or the second magnetic induction devices (31), the control device (7) is connected with the smart hand insertion board base platform (2), the smart hand insertion board upper cover (6) are provided with a plurality of concave holes (3) and a third female socket (43), and the electric connector (5) connects the first female socket (41) or the second female socket (42) with the third female socket (43).

The invention provides an electric vehicle wireless charging system. The electric vehicle wireless charging system comprises an electrical energy conversion emitting device and an electrical energy conversion receiving device, wherein the electrical energy conversion emitting device comprises a high-frequency inverter and a compensation capacitor which are respectively connected with the two ends of an emitting coil, and the high-frequency inverter is connected with the compensation capacitor; the electrical energy conversion receiving device comprises a compensation capacitor and an AC/DC conversion device, the compensation capacitor is connected with the two ends of a receiving coil, and the AC/DC conversion device is connected with the two ends of a load coil. Compared with the prior art, the electric vehicle wireless charging system not only resolves the problem that a battery of an electric vehicle is low in energy density, but also can reflect interaction between the electric vehicle and a power grid during charging better, and weaken influence on the power grid caused by charging of the electric vehicle.

The invention provides a lashing bridge structure of a large container ship and relates to the technical field of ship equipment design. The device comprises a plurality of horizontal platforms, a plurality of stand columns, a plurality of binding eye plates and a plurality of shear walls, wherein the horizontal platforms are arranged in the ship width direction of a large container ship, the stand columns are vertically arranged on two sides, in the ship length direction of the large container ship, of each horizontal platform and fixedly connected with the horizontal platform, the stand columns comprise a plurality of cabin cover guide stand columns, a plurality of first stand columns and a plurality of second stand columns, bottom ends of the cabin cover guide stand columns are supported on a ship body cabin coaming structure of the large container ship, bottom ends of the first stand columns are supported on a ship body structure of the large container ship, bottom ends of the second stand columns are not connected with the ship body structure of the large container ship, the binding eye plates are arranged on the stand columns, and the shear walls are arranged among the standcolumns in the ship width direction, and the shear walls are longitudinally arranged between the third horizontal platform and the ship body cabin coaming structure. The lashing bridge structure is advantaged in that a lashing bridge is light in weight, construction cost is saved, and operation of wharf workers is facilitated.

The embodiment of the invention provides a display device and a manufacturing method thereof. The display device comprises a display module which comprises a display surface and a non-display surfacewhich are arranged oppositely; the antenna comprises a radiation element, a microstrip feed and a grounding layer; the radiation element is connected with the microstrip feed. Wherein the radiation element and the microstrip feed are both arranged on the display surface of the display module, the grounding layer is arranged on one side of the non-display surface of the display module, and the display module is periodically provided with a plurality of hollow parts in an area where the antenna is located so as to form a clearance area of the antenna. According to the display device and the manufacturing method thereof provided by the embodiment of the invention, the signal radiation performance of the on-screen integrated antenna can be improved, and the light and thin design requirements of the display device are met.

A pulley type oil pumping machine belongs to the field of oil exploitation mechanical equipment and particularly relates to a pulley type oil pumping machine in oil pumping machines with rods. The pulley type oil pumping machine comprises a machine frame (9), a base (16), a power device, a transmission device connected with the power device and a head pulley installed at the top end of the machine frame (9). The pulley type oil pumping machine is characterized in that an output end of the transmission device is connected with a balance weight box (27), a movable pulley group (32) is installed on the balance weight box (27), the movable pulley group (32) comprises a traction pulley (36) and a transmission pulley (37), a traction steel rope (25) is fixed and wound on the traction pulley (36), a transmission steel rope (33) is wound on the transmission pulley (37), and two ends of the transmission steel rope (33) are fixed with the machine frame (9). The pulley type oil pumping machine has the advantages of super long stroke, large load, low stroke frequency, low power consumption, long service life and the like, runs smoothly and is safe, reliable, convenient to maintain and manage and good in performance.

The invention provides a pincer device which can be used in water narrow space of radiation environment of a nuclear power station. The extraction force of the pincer device is larger than 2000 N. Thepincer device comprises a pincer mechanism, a first hydraulic cylinder, a cylinder body, a hose, a winding wheel, a pressure sensor, a second hydraulic cylinder and a control system. The control system provides power for the pincer mechanism. The first hydraulic cylinder synchronous with the second hydraulic cylinder achieves opening and closing while driving the pincer mechanism to do reciprocating linear motion. Due to multi-directionality of force vector for workpiece extracting of pincers and workpiece clamping of clamping toes, the pincer mechanism has good stability at the stroke limitposition of the clamping toes. By means of the design of the geometrical shape of the clamping toes, the bearing face can be enlarged, it is ensured that the clamping toes do not deform, and the clamping stability and safety are improved. The pincer device is a long-distance tail end execution mechanism, developed by integrating the characteristics of high radiation, narrow space, high flexibilityand capability of operating in water, of an irradiation-resistant robot and a mechanical arm.

The invention relates to a swing piece conveying support, which comprises a support body, rollers, a support plate, an adjusting bracket, a guard plate and a plurality of mounting plates, and is characterized in that the support body consists of two parallel symmetric side plates and a connecting part between the two side plates; the outer side of the support body is provided with the mounting plates; one side of the support body is connected with the adjusting bracket; the number of the rollers is multiple; the multiple rollers are separately arranged on the support body and the adjusting bracket; the guard plate is arranged on the side plates of the support body; and the support plate is arranged below the guard plates. In actual use, as the adjusting bracket and the support body are connected through bolts, a positional relation between the adjusting bracket and the support body can be conveniently adjusted through the bolts, and therefore, the angle requirement of swing piece conveying is met; moreover, each side plate of the support body is in a shape of T, so that the distance requirement of swing piece conveying can be met to the maximum limit.

The invention discloses a sleeping bag, which comprises a camping bag and fixing devices which are symmetrically arranged at the left and right ends of the camping bag, wherein the fixing devices comprise a first semicircular plate and a second semicircular plates which are oppositely arranged back and forth; a clamping space, which vertically goes through, is clamped and formed between the firstsemicircular plate and the second semicircular plate; four same regulating devices are uniformly distributed on the circumference of an annular shell of the clamping space; a supporting rod is each fixedly connected to the front end of the first semicircular plate and the back end of the second semicircular plate; a rotary sleeve sleeves the end, away from the clamping space, of each supporting rod; and a fixing rope fixedly winds a sleeve body of each rotary sleeve. According to the sleeping bag provided by the invention, the fixing ropes can be fetched easily under a circumstance that the rotary sleeves are out of limitation in work, so as to meet demands of distances between various objects; and the device (the sleeping bag), when used, can be fixed between two trees or two objects, with a quite stable fixing mode.

The invention discloses a distribution box preset hole breaking device comprising an auxiliary adjusting component and a breaking component. The auxiliary adjusting component comprises a main base, anintermediate rotary disc, a vertical guiding rod, a vertical sliding sleeve, a horizontal sliding rod, a horizontal sliding sleeve and a horizontal adjustment pushing mechanism; the breaking component comprises a fixing plate and a vertical transmission mechanism which is rotatably connected and mounted on the fixing plate, and one end of the vertical transmission mechanism is in driven connection with an outer ring cutter for breaking a distribution box preset hole; the horizontal sliding sleeve is also fixedly connected to the fixing plate; and the fixed end of the horizontal adjustment pushing mechanism is fixedly connected to the vertical sliding sleeve, and the telescopic end of the horizontal adjustment pushing mechanism is fixedly connected to the fixing plate. Compared with a conventional breaking mode, the breaking device provided by the embodiment is safer and more convenient, the installation efficiency is higher, and the impact on overall operation of a distribution box islower.

The invention belongs to the field of calculator assistance devices and particularly relates to an anti-usb damage case. The case comprises a shell; a first ring groove and a second ring groove which are concentric are formed in the upper surface of the shell; a rotary plate capable of auto-rotating is connected into the second ring groove in a sliding manner; a usb jack is formed in the rotary plate; an opening connected with the first ring groove is formed in the circumference of an outer circle of the second ring groove; a baffle is hinged to the end part of the opening; a line concentration ball is further arranged in the shell of the case; a transmitter used for signal transmission is arranged in the line concentration ball; an upper half ball and a lower half ball of the line concentration ball are rotationally connected; a bendable telescopic pipe is arranged on the ball surface of the upper half ball; the top of the telescopic pipe is fixedly connected with the bottom of the rotary plate; and a lead wire in the telescopic pipe leads into the line concentration ball and is connected with the transmitter. According to the case, the usb jack can be prevented from being damaged, and the position and direction of the jack can be changed for satisfying simultaneous insertion of a plurality of devices, so that the device utilization rate is increased; and the operation is simple.

The invention discloses a calculation ruler for quickly calculating free space attenuation of electromagnetic waves, and belongs to the technical field of metering equipment. The calculation ruler comprises a base, a distance graduated scale fixedly arranged on the base, a transparent reading plate fixedly arranged on the distance graduated scale, and a frequency graduated scale and a attenuationvalue graduated scale which are movably arranged on the base, wherein the frequency graduated scale and the attenuation value graduated scale are in linkage sliding, and a frequency pointer is arranged on the transparent reading plate. According to the calculation ruler, the attenuation value of the signal can be quickly calculated, and the effectiveness of electronic warfare is met.

The invention provides a lens connection device, comprising a fixing device which is detachably connected with a device with a camera; a hinge connection rod mechanism, wherein the hinge connection rod mechanism comprises at least two connection rods, the connection rods are equipped with connection parts which are rotationally connected with the fixing device and movable parts which are suitablefor setting an external lens, the movable parts can swing relative to the connection parts, and the movable parts and the connection parts are set on different connection rods; and a locking structurewhich is suitable for locking positions of the movable parts. Through utilization of superposed length of the at least two connection rods, a requirement for a relatively greater distance between theexternal lens and the fixing device is satisfied. A single connection rod does not need to be set too long. The requirement for the relatively greater distance between the external lens and the fixing device can be satisfied, so the lens connection device is applicable to relatively many sizes or models of devices with the cameras, and the lens connection device has a relatively wide applicationrange. The condition that relatively large space is still occupied when the hinge connection rod mechanism is in a retracted state due to overlength of the single connection rod also can be avoided.

The invention discloses an automated sleeping bag. The automated sleeping bag comprises a camping bag and fixing devices symmetrically arranged at the left and right ends of the camping bag, wherein the fixing devices comprise first semicircular plates and second semicircular plates which are oppositely arranged back and forth, and the first semicircular plates and the second semicircular plates are clamped in the middle to form up-and-down-through clamping spaces. Four same adjusting devices are evenly distributed on the upper circumference of an annular casing of each clamping space. Supportrods are fixedly connected to the front ends of the first semicircular plates and the rear ends of the second semicircular plates. Rotating sleeves are connected to the end portions of the ends, awayfrom the clamping spaces, of the support rods in a sleeving mode. Fixing ropes are fixedly wound around bodies of the rotating sleeves. During operation of the automated sleeping bag, in the case that the rotating sleeves lose the restriction, the fixing ropes can be easily obtained, the distance requirements between different objects are met; and the automated sleeping bag can be fixed by two trees or objects during use, and the fixing way is quite stable.