16results about How to "Convenient length" patented technology

The invention discloses a high and steep slope roadbed reinforcement and gravity type retaining wall combined supporting structure and a design method, the supporting structure comprises an embankment supporting structure and a drainage system, the embankment supporting structure comprises a gravity type retaining wall, the gravity type retaining wall is arranged on a moderately weathered slate of a slope toe, a reinforcement area is arranged above the gravity type retaining wall, and the drainage system is arranged on the gravity type retaining wall. The reinforcement area comprises a non-modified reinforcement area and a modified reinforcement area from inside to outside, and reinforcement materials are laid in the reinforcement area in a layered mode. A reinforced modified soil cushion layer is horizontally laid between the bottom of the reinforced area and the top of the gravity type retaining wall, and rib materials are laid in the reinforced modified soil cushion layer in a full-section mode. Identifying a damage mode of overall instability; and the rib material length and the retaining wall height are optimized according to different failure modes. Based on the cooperative supporting effect between the modified reinforcement and the gravity type retaining wall, the overall stability of the combined structure is improved, the length of the reinforcement and the height of the retaining wall are optimized, the construction cost is reduced, and the dual purposes of cost saving and engineering performance optimization are achieved.

The invention discloses a trajectory prediction method and system based on a hybrid expert model, a medium and a product, and relates to the field of data processing systems specially suitable for the prediction purpose, and the method comprises the steps: obtaining an observation trajectory of any length; a preset encoder is utilized to encode the observation track, and track feature representation is obtained; inputting the track feature representation into a gating network, and calculating an optimal observation length; according to the optimal observation length, activating a corresponding target expert module in a preset hybrid expert model, and performing optimization processing on the observation trajectory to obtain an optimized trajectory; the optimization processing comprises the following steps: comparing the current length of the observation track with the optimal observation length; if the observation length is greater than or equal to the optimal observation length, executing observation pruning; if the observation length is smaller than the optimal observation length, reverse prediction is executed; and inputting the optimized trajectory into the trajectory prediction backbone network to obtain a future trajectory prediction result. By implementing the method, the trajectory prediction accuracy under the observation condition of any length can be improved.

This invention discloses a variable cross-section tail wing suitable for FSAE racing cars, comprising a variable cross-section wing assembly, an upper sparsity wing, a first lower sparsity wing, a second lower sparsity wing, and endplates. The variable cross-section wing assembly consists of a main wing, a first flap, and a second flap; all three wings are variable cross-section wings. The variable cross-section wing is a small, continuous section raised at mid-span. The main wing, the first flap, and the second flap are sequentially mounted between the two endplates, roughly diagonally distributed, with the second flap featuring a grunt flap. The upper sparsity wing is mounted on the corner of the endplate, while the first and second lower sparsity wings are located near the bottom of the endplate. There are two endplates, symmetrically mounted on both sides, each featuring louvers, an outer edge flange, a leading edge notch, a trailing edge notch, and guide strips. The variable cross-section wing can reduce the turbulence caused by the headrest and minimize airflow slippage in the spanwise direction, resulting in a more uniform pressure distribution on the wing surface. The louver structure also reduces drag.

The utility model discloses a water area salvaging device which comprises a salvaging head used for salvaging floating objects on water. The telescopic rod comprises a first hollow rod, a second hollow rod and a locking structure, a fishing head is installed at one end of the first hollow rod, the radial outer surface of the first hollow rod is matched with the inner surface of the second hollow rod, the second hollow rod and the first hollow rod can slide relatively, and the locking structure is arranged between the first hollow rod and the second hollow rod; the locking structure is used for connecting and fixing the second hollow rod and the first hollow rod; the floating body is connected to the side, away from the first hollow rod, of the fishing head, and the floating body is used for preventing the fishing head from sinking into water. According to the utility model, the problems of operation risk and storage caused by insufficient or overlong length of the traditional handheld rod are solved, and the operation difficulty is reduced.

The invention discloses an oil injection system and a vehicle, and the oil injection system comprises an oil pump, an oil injector and a plurality of oil pipes. The oil sprayer is provided with a plurality of oil inlet holes; the inlet ends of the multiple oil pipes are all connected with the oil pump, the outlet ends of the multiple oil pipes are connected with the multiple oil inlet holes in a one-to-one correspondence mode, the multiple oil pipes comprise at least one first oil pipe, and the first oil pipe has the optimized length; the first oil pipe is configured to have the maximum pressure after fuel oil moves in the first oil pipe by the optimized length. According to the oil injection system, the pipe length of at least one oil pipe can be optimized, and therefore redundancy of the pipe length is reduced.

The utility model discloses a wax deposition determination flash filter relates to the petroleum chemical industry detection equipment field, including filter main part, two groups of filter inlet joint, bar hollow support, filter screen and netted support, through the combination design of bar hollow support and filter screen, netted support makes filter screen installation stable, can effectively resist high pressure fluid impact, prevents the collapse, through the pull bar hollow support, takes out the whole filter screen and netted support whole, has realized the quick sampling of deposit and the convenient replacement of filter screen, and filter screen design can replace, makes the device can nimblely adapt to the multiple crude oil system of different wax crystal size, promotes the experimental flexibility and repeatability, provides high reliability data support for wax deposition mechanism research and prevention and control technology development, widens the application range.

The invention provides an instruction set design method for matrix online parallel general calculation, which analyzes several common large-scale matrix calculation operators in a deep learning algorithm and extracts a general calculation mode. And configuring an instruction type demand model and a behavior model according to a general calculation mode by taking universality and calculation performance as optimization targets. And performing iterative design on the deep learning instruction set according to the constructed instruction type demand model and behavior model, so that the deep learning processor gives consideration to calculation performance and universality.

The utility model discloses a label positioning device of a medicine bottle labeling machine in the technical field of labeling machines, which comprises a labeling machine main body, a stripping mechanism is arranged on the labeling machine main body, the stripping mechanism comprises a mounting box arranged on the labeling machine main body, a mounting rod is rotatably arranged on the inner side of the mounting box, a pinion is fixedly arranged on the outer side of the mounting rod, and the pinion is connected with the mounting box. A rotating rod is rotatably arranged on the inner side of the mounting box, a large gear is fixedly arranged on the outer side of the rotating rod, the large gear is meshed with a small gear, a mounting frame is fixedly arranged on the outer side of the L-shaped block, a stripping plate is arranged on the outer side of the mounting frame, a lead screw is rotatably arranged on the inner side of the mounting frame, and the outer side of the lead screw is sleeved with a threaded block in a threaded mode; a mounting frame in butt joint with the stripping plate is fixedly arranged on the outer side of the connecting block. Through a simple mounting structure, the length and the angle of the stripping plate can be conveniently adjusted, a worker can conveniently operate the stripping plate, the labeling efficiency of a medicine bottle is improved, the practical effect is good, and the stripping plate is worthy of being popularized and used in the existing market.

A pair of length-adjustable bipolar electric coagulation forceps relates to the technical field of medical instruments, and comprises a fixed seat and forceps rods, one end of the fixed seat is connected with a plug through a cable, the other end of the fixed seat is fixedly provided with a forceps handle, and the end part of the forceps handle is provided with a through hole; according to the length-adjustable bipolar electric coagulation forceps, the material is cheap, the processing cost is low, the inventory cost and the production management cost of manufacturers are greatly reduced, the length is convenient to adjust, and the length of the length-adjustable bipolar electric coagulation forceps is convenient to adjust. The operation attention of a doctor is not distracted, and the extra operation duration of a patient is prolonged, so that the patient is conveniently treated in time.

The utility model relates to a bending machine device, belongs to the technical field of reinforcing steel bar processing, and particularly relates to a novel reinforcing steel bar bending machine device which comprises a working table, a central pin shaft is fixedly mounted at the central position of the top of the working table, a mounting plate is fixedly mounted on the inner side of the working table, and the novel reinforcing steel bar bending machine device further comprises a bending assembly, a fixing assembly and a positioning assembly. The steel bar bending device achieves the effects of bending a plurality of steel bars at the same time and improving the working efficiency and the practicability, and solves the problems that when an existing device is used, the multiple steel bars are inconvenient to stack and bend, only one steel bar can be bent at a time, the working efficiency is low, the practicability is poor, the bending positions of the steel bars cannot be accurately controlled, and the working efficiency is high. And the functionality is poor.

This utility model provides a three-way fire extinguishing device for coal mines, belonging to the field of coal mine production technology. It includes an installation rod with a collar fitted on it. A protruding seat protrudes from the collar, and extinguishing components are symmetrically installed on the protruding seats. Each extinguishing component includes a first guide tube fixed to the protruding seat, and a second guide tube passing through it. Water outlet holes are drilled at the bottom of both the first and second guide tubes. A water inlet pipe is installed on the protruding seat of the collar, and both first guide tubes are connected to the protruding seats. The water inlet pipe is also connected to the interior of the first guide tube. An installation plate is installed at one end of the installation rod. This utility model achieves precise position adjustment through an axial sliding mechanism between the installation rod and the collar, combined with a servo motor-driven lead screw rotation transmission method. When different fire sources need to be covered, precise displacement control of the collar on the installation rod can be achieved, avoiding the errors and efficiency losses of traditional manual adjustment.

The utility model discloses a combined type multifunctional diaper table. The combined type multifunctional diaper table is characterized by further comprising a combined type diaper table body arranged on a cabinet body and a storage basket arranged on the cabinet body and used for storing the diaper table body. Due to the arrangement of the combined diaper table, when a diaper is changed, the diaper table can be taken out from the storage basket of the cabinet body, is placed at the top of the cabinet body, and is aligned with the bolt lock block on the back surface of the cabinet body through the bolt lock body outside the fixed guardrail at the top of the diaper table; a bolt in the bolt lock body is inserted into the bolt lock block to firmly fix the diaper table on the cabinet body; the diaper table is prevented from sliding into the cabinet body and hurting a baby during diaper changing; when the diaper table is not used, the turnover guardrail can be turned over upwards, the diaper table becomes a drawer, the drawer is placed in the storage basket on the cabinet body to form a whole with the cabinet body, meanwhile, after a baby grows up, the cabinet body can be used for daily storage, the cabinet body can be made of wood and cannot be abrupt with other decorations when placed in a room, and therefore the service time of the cabinet body is prolonged.

The utility model relates to the technical field of upper limb fixing, and discloses a combined upper limb fixing orthosis which comprises a first fixing plate, and a connecting plate is arranged on the left side of the first fixing plate. The combined upper limb fixing orthosis is provided with a movable groove, an adjusting plate, a limiting groove, a mounting plate, a fixing bolt and a second fixing hole, the adjusting plate and the mounting plate on a connecting plate are placed in the movable groove and the limiting groove respectively, and the first fixing hole and the second fixing hole are aligned after the adjusting plate and the mounting plate are placed well; fixing bolts are respectively screwed into the first fixing holes and the second fixing holes to limit and fix the adjusting plate and the mounting plate, so that the first fixing plate and the second fixing plate are assembled, and the wrist of a patient can be conveniently limited by adjusting the distance between the first fixing plate and the connecting plate; the problems that the distance between a fixing plate and a connecting plate is inconvenient to adjust according to requirements, the flexibility is poor, and the wrist is inconvenient to fix at the same time are solved.

The utility model discloses an easy-to-use telescopic rod and a double-control telescopic mechanism thereof, the double-control telescopic mechanism comprises a telescopic body and an adjusting body movably matched with the telescopic body, the telescopic body is matched with an electric drive device, the electric drive device is matched with the adjusting body through a bidirectional clutch device and drives the adjusting body to move relative to the telescopic body. The easy-to-use telescopic rod has an electric control operation mode and can conveniently adjust the length of the telescopic rod.

This invention discloses a control method and a vibratory feeding device for a vibratory feeding apparatus, relating to the field of automatic feeding technology. The control method for the vibratory feeding apparatus includes the following steps: after calibrating multiple cameras and multiple adsorption units, controlling the vibratory feeding apparatus to enter a working mode; acquiring material state images captured by multiple cameras and identifying target materials in the multiple material state images; planning a picking path based on the pixel coordinates of multiple target materials; converting the pixel coordinates of multiple target materials into physical coordinates and matching multiple adsorption units with multiple target materials; controlling the picking device to move according to the picking path to complete the picking of multiple target materials. This individual calibration method improves the picking accuracy and solves the problems of positioning and allocating materials under visual guidance by multiple cameras and multiple adsorption units, as well as the path planning problem. Path planning can be performed at the pixel coordinate stage, optimizing the length of the picking path and thus shortening the picking cycle.

The utility model relates to the field of polishing and grinding equipment, in particular to a metal part polishing and grinding device. Comprising a supporting frame, a supporting plate is fixedly connected to the surface of the supporting frame, two positioning frame plates are installed on the surface of the supporting plate, an operation assembly is fixedly connected to the inner sides of the positioning frame plates, the arc surface of the operation assembly is sleeved with a conveying belt, and an output shaft is rotationally connected to the interior of the conveying belt; and the output shaft is rotationally connected with the interior of the operation assembly, the output end of the output shaft is rotationally connected with a motor assembly, and the motor assembly is fixedly connected with the surface of the supporting plate. According to the metal part polishing and grinding device, the problems that when metal parts are polished and ground, due to the fact that the metal parts are different in size, the metal parts are not prone to being rapidly fixed when being polished and ground, the parts are loosened when being polished and ground, and the metal parts cannot be fixed rapidly are solved. And the machining efficiency of the polishing and grinding equipment is further influenced.