39results about How to "Guaranteed engagement" patented technology

The invention relates to a surface mounted device (SMD) type light emitting diode (LED) device for an outdoor display screen, which comprises at least one LED chip, a lower substrate for loading the LED chips, an upper substrate combined with the lower substrate and packaging colloid arranged on the upper substrate, wherein the upper substrate is provided with steps; and the packaging colloid comprises a packaging matrix covering the steps and an optical lens arranged on the packaging matrix. In the SMD type LED device, the stepped upper substrate is combined with the packaging matrix with a certain height to reduce the size of the packaging colloid and optical loss, improve the light extraction efficiency and simplify the structure; moreover, light distribution with a wide viewing angle can be provided and the defects of a through-hole LED and a Top LED can be made up by arranging a stepped structure on the upper substrate and coving the packing colloid with a lens structure. Besides, the invention also provides a display module using the SMD type LED device for the outdoor display screen.

The invention relates to the field of transportation equipment, and discloses a jacking and walking co-driving type carrying device. The jacking and walking co-driving type carrying device comprises amain frame body, a lifting frame body, a first transmission shaft, a first rotating wheel, a first driven transmission shaft, a first driven rotating wheel, a driving device, a power output shaft, afirst transmission mechanism and a lifting transmission mechanism, wherein the first transmission shaft provided with the first rotating wheel is arranged on the main frame body, and the first driventransmission shaft provided with the first driven rotating wheel is also arranged on the main frame body; the driving device fixed on the main frame body drives the first transmission shaft to rotatethrough the power output shaft and the first transmission mechanism; and the driving device can drive the lifting frame body to ascend or descend through the lifting transmission mechanism. The poweroutput shaft is not parallel to the first transmission shaft, and the angle can be adjusted by adjusting the tooth ratio of a first bevel gear and a second bevel gear of the first transmission mechanism. According to the carrying device, the jacking and moving functions of the device can be realized only by one driving device.

The drive mechanism (10) has a drive member (12) and a flexible conveying member (14). The engaging elements (12b) of the drive member (12) have an engaging element spacing (t1), while the associated counter elements (14b) of the conveyor member 14 have a counter element spacing (t2). According to the invention the engaging element spacing (t1) of the engaging elements (12b) is larger than the counter element spacing (t2) of the counter elements (14b) of the conveying member in order to compensate for conveyor member stretching in operation. In a preferred embodiment the conveying member is a flexible conveyor chain and the drive member (12) is a toothed drive wheel. In another preferred embodiment the ratio of the engaging element spacing (t1) of the drive member (12) to the counter element spacing (t2) of the conveying member (14) is between about 1.01 and about 1.10.

The invention discloses a self-adaptive automatic speed change drive assembly adopting spiral wavy friction transmission for an electric motorcycle. The self-adaptive automatic speed change drive assembly comprises a box body, a transmission shaft, a slow-gear transmission mechanism and an intelligent mechanical self-adaptive speed change assembly adopting wavy friction transmission. According to the slow-gear transmission mechanism, the inner ring of an overrun clutch is sleeved with a transmission shaft sleeve and the inner circle of the inner ring is provided with a spiral cam matched with the transmission shaft sleeve. An output structure of the spiral cam is adopted in the inner ring of the overrun clutch and arranged on the transmission shaft sleeve, so that an end face cam is omitted, and the spiral cam is good in smoothness and can sensitively make a response to resistance; and multi-cam transmission is possible for the overrun clutch, wavy friction transmission is adopted for guaranteeing flexibility and stability of disengagement and engagement of friction transmission, the axial size of a speed changer is reduced, the drive assembly is suitable for hubs and the like, and good smoothness and high transmission accuracy are acquired in the speed change process.

The invention relates to auxiliary equipment for honey pomelo grafting. The auxiliary equipment is characterized in that the lower end of a base is connected with the existing ground, and a supporting device is arranged at the upper end of the base. Through cooperation of T-shaped rods, sliding blocks, discs, gears, cylindrical rods and hoops, fruit trees needing to be grafted can be supported and fixed, the situation that the grafting effect is poor or even fails due to shaking of fruit trees in the grafting process is avoided, the possibility that accidents occur due to the fact that the fruit trees are manually supported in the grafting process is reduced, and through cooperation between first springs and sponge pads, and damage to shells of the fruit trees can be avoided when the fruit trees are supported and fixed through hoops.

The invention discloses auxiliary fitness equipment. The auxiliary fitness equipment comprises a long-strip-shaped base; two U-shaped mobile pedals are arranged on the long-strip-shaped base in a sliding and sleeving mode; the two first supporting shafts are connected with the two U-shaped mobile pedals, and two idler wheels are arranged on each of the two first supporting shafts; the gear is located between the two oppositely-arranged first supporting shafts; the number of the straight tooth linkage rods is two, one end of each straight tooth linkage rod is fixedly connected with the corresponding first supporting shaft, and the straight tooth parts of the two straight tooth linkage rods are located on the two sides of the gear respectively and are in engaged transmission connection withthe gear. According to the auxiliary fitness equipment, through meshing transmission of the two straight tooth linkage rods and the gears, it can be guaranteed that the two U-shaped mobile pedals movelinearly, then it is guaranteed that the two legs move linearly, leg clamping action can be achieved easily, and the fitness effect is guaranteed.

The invention belongs to the technical field of quartz processing, particularly relates to quartz raw material accurate grinding treatment equipment, and provides the following scheme aiming at the problem that an existing accurate grinding treatment mechanism is easy to cause ore blockage: the quartz raw material accurate grinding treatment equipment comprises a base which is internally provided with a cavity and is integrally of an annular structure, and the middle of the base is slidably connected with a retainer plate; the lower surface of the retainer plate is provided with a jacking mechanism and a self-locking mechanism which are symmetrical to each other, the upper surface of the retainer plate is of a conical groove structure, a discharging hole is reserved in the middle of the retainer plate, a supporting frame is fixed to the position, close to the top end, of the outer wall of the circumference of the base, and two channel steel beams with opposite openings and parallel to each other are fixed to the top end of the supporting frame. When the quartz ore fine grinding device is used and the conical pressing plate performs fine grinding on quartz raw ore in the material supporting plate, the vibration mechanism located at the top end of the conical pressing plate vibrates the conical pressing plate at the same time, at the moment, quartz sand below the conical pressing plate can be effectively prevented from being blocked in the discharging hole, and the ore blocking possibility is reduced.

In an auxiliary drive for a trailer such as a caravan, the drive consists of a drive unit with a gearwheel. Through linear movement of the drive unit relative to the chassis, the gearwheel can be brought into engagement with a ring gear fitted either on the brake drum of a wheel of the vehicle or on an auxiliary part such as a covering drum fitted over the brake drum. The ring gear preferably lies in a plane outside the plane bounded by the inside of the wheel.

The invention discloses an assembly sample frame and an assembly method for ensuring meshing of a hatchback door lock and a lock catch. The assembly sample frame comprises a sample frame support, and the sample frame support is provided with a sample frame vehicle body fixing structure used for enabling the sample frame support to be installed and fixed on a vehicle body. A sample frame lock catch installation structure used for installing a back door lock catch is arranged on the lower portion of the side, facing the vehicle body, of the sample frame support, and a sample frame back door installation structure capable of enabling a back door to be installed and positioned on the sample frame support is arranged on the side, facing the back door, of the sample frame support. The back door lock catch is installed on the sample frame and then connected with the vehicle body, the relative installation position accuracy of the sample frame and the vehicle body is guaranteed, then the back door is installed on the basis of the sample frame, the relative installation position accuracy of the back door and the vehicle body is guaranteed, the relative position accuracy of the back door and the back door lock catch is guaranteed, and the meshing state of the back door lock and the back door lock catch is guaranteed. And the problems of difficulty in closing the back door, jamming, abnormal sound and the like are avoided. And station arrangement is optimized, and investment and working hours of tools, tightening tools and manpower are reduced.

A transmission system for an adjusting device, of a waste gate of an exhaust gas turbocharger, including a four bar coupling mechanism, a driver arm operatively connected to a drive via a transmission, an output arm and a coupler, operatively connecting the driver and output arms, the transmission having a driving gear, assigned to the drive, and a driven gear, assigned to the driver arm and interacting with the driving gear having a rolling curve radius, which changes over the circumference, the driven gear having a rolling curve radius running complementary to the former. The rolling curve radii is selected in an angle of rotation range about the extended position of the coupling to form at least in regions a first transmission ratio and outside the angle of rotation range to is form at least a second transmission ratio larger than the first ratio. Also described is an exhaust gas turbocharger.

The invention relates to the technical field of angle measurement, in particular to an angle measuring device and equipment with the same. The angle measuring device includes: a first support; a driving gear suitable for being fixedly connected with a rotating part of to-be-detected equipment; a driven gear meshed with the driving gear; an encoder comprising an encoder body and an encoder rotatingshaft, wherein the encoder rotating shaft is fixedly connected with the driven gear, and the encoder rotating shaft is suitable for driving the driving gear to rotate to drive the driven gear to rotate under the driving of the to-be-detected equipment so as to drive the encoder rotating shaft to rotate relative to the encoder body; at least one elastic piece, wherein one end of the at least one elastic piece is connected with the encoder body, and the other end of the at least one elastic piece is connected with the first support. By arranging the at least one elastic piece, when the drivinggear and the driven gear are abraded and the axis deviates, the at least one elastic piece can drive the encoder to drive the driven gear to be automatically adjusted to be in the meshed state that the driven gear is matched with the driving gear, the two gears are prevented from being meshed too tightly or not tightly, and normal use of the angle measuring device is guaranteed.

The invention discloses an implementation method of a convolutional neural network module for enhancing channel rearrangement and fusion. The method comprises the following steps: extracting features of a feature map of a certain level through a convolutional layer, and generating a transitional feature map; carrying out pooling on the generated transition feature map in a spatial dimension to obtain a rearrangement fusion vector with the same size as a channel; and calculating a new rearranged and fused channel and a corresponding weight by using the obtained rearranged and fused vector, accumulating a feature map of a certain channel to the new channel and an adjacent channel according to the calculated weight, traversing all channels, and obtaining a fused feature map after all channels are subjected to weighted accumulation. The module provided by the invention can be seamlessly inserted into any convolutional neural network, enhances communication of information of different channels, and can be applied to a network of image classification and a backbone network of tasks such as target detection, semantic segmentation and the like.

The invention discloses a multidirectional following type moving mechanism for a fat explosion instrument and a weight losing device, and belongs to the technical field of fat explosion instruments. The multidirectional following type moving mechanism for the fat explosion instrument comprises a fat explosion instrument body and moving wheels, a lead screw is slidably connected into a rotating base, a guide rod is connected into a working cavity, the bottom of the lead screw abuts against the moving wheels, second worms are arranged at the two ends of a driving shaft, second worm wheels are rotatably connected in the working cavity, the second worm wheels are engaged with the second worms, threaded holes are formed in the second worm wheels, and the lead screw is matched with threads; a driven shaft is rotatably connected in the auxiliary cavity, the driving shaft and the driven shaft are rotatably connected through a belt, the driven shaft is sleeved with a second torsional spring, apedal is slidably connected to the fat explosion instrument body, the pedal is connected with the belt, a clamping groove is formed in the pedal, a clamping plate is slidably connected in the third sliding groove, and a triggering plate is connected to the clamping plate; the two sets of moving wheels can be controlled to rotate without manual operation, and therefore the fat explosion instrumentbody is prevented from moving.

The invention discloses a field reseeding tool, which comprises a seeding cylinder, wherein the bottom surface of the seeding cylinder is provided with a round table shell and a conical drill bit, thetop surface of the seeding cylinder is provided with a support table, the top surface of the support table is provided with a seeding hopper, the side face of the seeding hopper is provided with a support rod arranged at the edge of the top surface of the support table, the bottom face of the seeding hopper is provided with a rectangular discharge port, the opposite side faces of the rectangulardischarge port are provided with round through holes, the side face of one round through hole is provided with a round groove, the round groove is internally provided with an annular baffle fitting thereto, the inner round side face of the annular baffle is provided with a stop block, a seeding adjustment device is penetrated between the corresponding round through hole and the annular baffle, theseeding adjustment device is fixed on the side wall of the support table, the top end of the cone drill bit is provided with a support column located in the seeding cylinder, the top end of the support column is provided with a correcting rod, and the top end of the correcting rod is provided with a straight rack. The field reseeding tool greatly improves the reseeding speed and efficiency of a laborer.

Disclosed is a tool profiling control system. The tool profiling control system comprises a tool profiling device and a control processor (8). The tool profiling device comprises a tool (1) and a profiling column (2), wherein the profiling column (2) is integrally in a cylindrical shape, and both ends of the cylindrical shaped are provided with an upper plug (27) and a lower plug (28); a middle profiling unit is formed between the upper plug (27) and the lower plug (28) and circumferentially and uniformly provided with four longitudinal profiling grooves (21, 22, 23 and 24) which are connected with the connecting end (11) of the tool (1); at least one of the four longitudinal profiling grooves is a return groove (22), the profiling contour of the return groove (22) is of a flat type, the other profiling grooves are curved grooves and are used for performing feeding control on the tool (1), and meanwhile, the curved grooves are different in curved surface shape.

The invention relates to a motor vehicle lock (1) comprising a locking mechanism that includes a rotary latch (2), at least one pawl (3), a triggering lever (4) that allows the pawl (3) to disengage from the rotary latch (2), and a latching lever function that allows the triggering lever (4) which is actuated for disengaging the rotary latch (2) to be secured in an actuated position; the triggering lever can be guided by the rotary latch (2) only in some sections.

According to the block chain-based entity mortgage lending method provided by the invention, a user is allowed to use entity assets as mortgage, and a borrower directly interacts with a protocol to pay a floating interest rate. According to the invention, storage and taking are carried out at any time, no early stage exists, no so-called service charge exists, interest can be borrowed for a long time, the interest rate floats in real time according to the market, no black screen exists, and the fairness of the transaction is ensured. After the mortgage state of the mortgage is changed, the borrower can borrow the digital currency from the platform, and the problem of double money is prevented. Zero-knowledge proof is adopted and used for proving and verifying related parameters in the transaction process, relative sensitive data such as account balances and entity asset information of all users can be well hidden, use and storage of the zero-knowledge balances are verified through the zero-knowledge proof, new zero-knowledge balances are used for replacing old zero-knowledge balances, and therefore, the personal privacy of the user is protected.