787results about How to "Guaranteed distance" patented technology

A thrust measuring system of thrust engine used in small space comprises storage tank of thrust agent, engine, mechanical body, transducer, driving and controlling circuit. It is featured as setting transducer at external side of one end on working beam and balance weight block on another end; placing said driving and controlling circuit in horizontal trench of front and back support beams; arranging engine on connection piece; connecting one end of thrust agent tube to engine and another end to thrust agent storage tank; forming mechanical body by support frame, master shaft, working beam, thrust component and balance weight.

The invention relates to a nozzle adjustment mechanism of equipment using such nozzle and adjustment method thereof and the equipment using the nozzle adjustment mechanism. The nozzle adjustment mechanism includes nozzles, connection frame, bottom board, wherein the nozzles is fixed to the connection frame, and the turning position of the nozzle is adjusted by coordination of eccentric bolt and locating pin, and angle of pressure spring is adjusted to implement return adjustment; the connection frame equipped with the nozzles inserts into mounting hole arranged on the bottom board, and the position where the connection frame and the nozzles locate on the bottom board is adjusted by forward and backward adjusting the bolt and the pressure spring covering the bolt. The invention has advantages of easy adjustment and high adjustment precision by improving the mechanical structure.

The invention discloses a magnetic core structure and an electromagnetic coupling device based on the magnetic core structure. The magnetic core structure comprises an emitter coil magnetic core baseplate and a picking coil magnetic core baseplate, which are square and are parallel to each other during working, wherein a plurality of magnetic winding columns are arranged on the inner side surface of the emitter coil magnetic core baseplate and are uniformly distributed in a rectangular array, while winding slots taking the shape of a Chinese character 'hui' are formed in the inner side of the picking coil magnetic core baseplate. The magnetic core structure and the electromagnetic coupling device have the remarkable effects that the structure of the magnetic core is simple, the processing forming is convenient, the magnetic field concentration ability is strong, the radio energy transmission distance is increased, the wound coil can be selectively powered and controlled, the electrical energy transmission area is adjustable to adapt to position deflection of a picking mechanism, the energy dissipation is small and the transmission efficiency is high.

The invention discloses a measurement learning method and system for pedestrian re-recognition. Implementation of the method comprises the steps of collecting feature vectors of a pedestrian target under two cameras, building a positive sample pair feature vector set and a negative sample pair feature vector set, calculating the distance of positive sample pair feature vectors and the distance of negative sample pair feature vectors, restraining the negative sample pair feature vectors by adopting dual thresholds, building a measurement matrix based loss function under distance constraint conditions of the positive and negative sample pair feature vectors, and iteratively updating the measurement matrix by taking the minimum loss function value as the target. The measurement learning method can effectively reduce influences imposed on matrix learning by irrelevant variables such as image background and noise, so that occurrence of an overfitting phenomenon is avoided, and the acquired measurement matrix is high in generalization ability.

The present invention relates to one adsorbing and rotating reversing device for the production of disposable toilet paper, and provides one transferring and reversing device with stable adsorbing transfer, constant transfer angle and convenient regulation of adsorption number. The transferring and reversing device features the chuck rotating mechanism comprising ring cam seat fixed on the main bearing seat and with spiral cam slot on the ring wall; the hollow chuck shaft with cam arm and cam connected in the lower end; and the hollow shaft below the chuck fixed inside the radial hole of the rotating disc. The device of the present invention can ensure the constant reversing interval, constant adsorbing disc angle, stable adsorption and precise transfer.

The invention discloses an assembly tooling for the double assembly and the main drive of a head side plate on a staircase and an assembly method. The tooling comprises a work platform, wherein a fixed reference beam, a beam capable of transversely moving, a main drive lengthways moving dolly are arranged on the work platform, and the two beams are in parallel with each other by moving the beam capable of transversely moving; and a positioning stand column and a positioning wall plate capable of lengthways moving the side plate of the staircase are respectively arranged on the two beams, gaps are remained between the corresponding positioning stand columns and positioning wall plates, and the corresponding positioning wall plates can respectively move along the beams, so that the distances between the corresponding positioning wall plates and the corresponding positioning stand columns are changed; a pair of tangential guide rail arranging seat transverse moving trolleys are distributed on the main drive lengthways moving dolly, and the tangential guide rail is transported to the installing position of the tangential guide rail on the side plate by the dolly; a left/right main drive height positioning device is further arranged on the main drive lengthways moving dolly, and the device is used for positioning the double assembly height position of the center and the side plate of the main drive axis; and a pair of driving axial centering devices is arranged on the main drive height positioning device.

The invention discloses an anion converter solving the problems of low kinetic energy of free electrons generated by the traditional equipment for combining and reacting with air molecules to generate anions and full short circuit caused by high voltage in the equipment to the ground. The anion converter comprises a high-voltage insulating housing, a stainless steel electron collector, a pumice with a dielectric property, a first conducing wire and a nano carbon fiber bundle, wherein the first conducting wire is used for conducting free electrons generated by open type single-pole anion generator, and the nano carbon fiber bundle is connected to the end of the first conducting wire. The anion converter can effectively increase the kinetic energy of the free electrons so that diffused electrons have large air contact area, and the anion converter has the advantages of large anion generation amount, high purity and remote transmitting distance; and the high-voltage insulating housing with high-voltage insulation can effectively prevent the full short circuit caused by a outward transmitting module of the air anions to the ground from burning instruments.

The ion generating element (10) of the present invention is constituted by: having at least one first discharge part (12) for generating positive ions and one first discharge part (12) for generating negative ions each installed or printed on one dielectric (11). 2 discharge part (13), the 1st, the 2nd discharge part (12), (13) will be arranged on the 1st, the 2nd discharge electrode (12a), (13a) on the surface of the dielectric (11) and be embedded in the dielectric The first and second induction electrodes (12b) and (13b) inside (11) are formed as a pair, respectively, and are arranged independently and separated from each other on the same plane of the dielectric (11). With such a structure, neutralization of generated ions can be suppressed, positive and negative ions can be efficiently released, and ion generation efficiency can be further improved.

The invention provides a shielding sleeve and a connector with the same. More than one threading hole perpendicular to a mounting face plate is formed in a connector shell, and the shielding sleeve applicable to being in contact with shielding layers of cables is mounted in the corresponding threading hole. The front end of the shielding sleeve extends out of the front end of the corresponding threading hole. The shielding sleeve comprises a sleeve. Elastic arms which are elastically compressed with stepped surfaces of a stepped hole in the mounting face plate in a jacking manner during use are outwardly folded at the front end of the sleeve, and folding angles of the elastic arms are smaller than 90 degrees. The shielding sleeve and the connector have the advantages that the shielding layers, which penetrate the corresponding threading hole, of the cables are in contact with the shielding sleeve made of metal materials when the connector is used, then the shielding sleeve is in elastic contact with the stepped surfaces of the stepped hole in the mounting face plate via the elastic arms at the front end of the shielding sleeve, and accordingly shielding effects can be realized; the connector is simple in structure and convenient to assemble.

The invention relates to a double-magazine-tool and double-spindle crankshaft two-end hole processing machine tool, which comprises an integral casting 45 degree inclined machine tool body which is convenient for removing scraps. The machine tool body is provided with two sets of three-coordinate units left and right symmetrically, and the three-coordinate units consist of a left Z-axis screw rod part and a right Z-axis screw rod part, a left X-axis saddle part and a right X-axis saddle part, and a left Y-axis part and a right Y-axis part respectively. A left spindle and a right spindle are arranged on the two sets of the three-coordinate units respectively. A left magazine tool and a right magazine tool can be connected with the left Z-axis screw rod part and the right Z-axis screw rod part respectively, and move along the direction of Z along with the spindles through the support of a magazine tool slide frame. The machine tool not only has the function of processing various holes at both ends of the crankshaft, but also can tap and chamfer corners. Aiming at the crankshafts of different specifications, the distance between the left processing spindle and the right processing spindle is guaranteed by adjusting both the left three-coordinate unit and the right three-coordinate unit of the machine tool so as to adapt to the crankshafts of different lengths, and cutter tools in the magazine tools are replaced to adapt to different processing tasks.

Mechanism for adjusting the active length of a timepiece balance spring whose outer end is fixed to a balance spring stud secured to a bar, this mechanism including two pins for clamping or touching the outer coil of the balance spring during the operation of this balance spring.

These two pins are in a single piece with this bar.

The invention discloses a brake control method of an automatic vehicle-mounted train protection system. The running distance of a train can be determined after five stages including a whole service braking traction cutting stage, a whole service braking response building stage, an emergent braking traction cutting stage, an emergent braking response building stage and an emergent braking finish stage, a whole service braking trigger speed can be determined in a retroduction method, and it is guaranteed that when the distance between the position where the train is located and a target speed limiting point and the current running speed of the train trigger whole service braking, emergent braking cannot be triggered.

Disclosed is an image sensor module consisting of a substrate having a hole positioned at the center thereof; an image signal process package attached to the back side of the substrate; and an image sensor mounted in the hole of the substrate, and a process of fabricating the same. In addition, a camera module is provided which consists of the image sensor module; a housing covering the upper portion of the image sensor module; a lens positioned outside of the housing; a filter positioned inside of the housing; and a flexible printed circuit board connected to the back side of the substrate of the image sensor module. The image sensor module applied to the camera module can obtain a sufficient brightness while a distance between the lens and the image sensor is properly maintained to secure a desired focal distance.

An ink-jet printing apparatus comprising mainly a carrying platform, a servo-motor, a carrying member, a height sensing apparatus, an ink-ejecting head and a feed apparatus, wherein the carrying platform is adapted to carry a base plate, the carrying member is arranged on top of the carrying platform, the servo-motor is connected with the carrying member, and the servo-motor can control the movement of the carrying member, thus regulating the distance between the carrying member and the carrying platform, the height sensing apparatus is arranged on the carrying member, and the feed apparatus is connected with the ink-jet head.

The invention relates to a self-propelled leaf vegetable harvester. The vegetable harvester comprises a frame provided with a chassis traveling mechanism, a power system, a belt-saw type cutting device, a conveying device and a driving operation console. The rear end of the conveying device is mounted on the frame in a hinged manner through a transverse pin roll and a vertical pin roll at the same time; the harvester further comprises a supporting device mounted below the front part of the conveying device; the supporting device is composed of a copying roll, an adjusting oil cylinder, a connecting plate and a fixed bracket; the copying roll is hinged at one end of the fixed bracket through the connecting plate, one end of the adjusting oil cylinder is hinged to the connecting plate, and the other end of the adjusting oil cylinder is hinged to the other end of the fixed bracket. The harvester provided by the invention can timely adjust the distance between the belt saw type cutting device and a bed surface according to the bed surface, and prevents the belt saw type cutting device from being directly contacted with soil, so that the service life of the cutter is ensured; meanwhile, soil intrusion is avoided, the harvesting quality is ensured, and reasonable and consistent harvesting height is ensured.