63results about How to "Reduce collisions" patented technology

The invention mainly provides a ratchet wheel of a wheel hub of a bicycle. The ratchet wheel is arranged between a first wheel hub base and a sleeve base and comprises a blocking ring which is arranged inside the wheel bub base fixedly, a driven base, a conical surface, a blocking portion and a magnetic group; wherein an inclined cone inner hole and a blocking edge are arranged on the blocking ring, a driving base is arranged between the wheel hub base and the sleeve base, and a plurality of first ratchet teeth are arranged on a one side end face of the driving base, which faces towards an axial ring inside the wheel hub base; the driven base is arranged inside the inclined cone inner hole and corresponds to a driving group, the external diameter of the conical surface can be matched with the inclined cone inner hole, the blocking portion can be blocked by the blocking edge in one direction, a driven base ring is provided with a plurality of second ratchet teeth which can be meshed with the first ratchet teeth, and the magnetic group is arranged between the driven base and the wheel hub base and provided with a first magnetic part and a second magnetic part, which are respectively arranged inside the wheel hub base and on the driven base and are in a mutual exclusion state. Thus, the inclined cone inner hole which is in an inclined cone shape and the conical surface design are adopted, the friction force is reduced, the restoring speed of the driven base is increased, and the sensitivity of a ratchet wheel group is improved further.

The invention relates to a construction method of a single-pipe grouting bottom-expanding cast-in-place pile, and belongs to the field of cast-in-place piles. The construction method comprises the following steps that 1, a spiral pile machine is used for drilling a foundation to form a pile hole, meanwhile, wall protection slurry is poured, after a drill bit reaches a preset position, a drill rodis lifted, the bottom of the pile hole is expanded, and a pile bottom expanding part is formed; 2, the pile hole is cleaned; 3, a reinforcement cage is placed into the pile hole, and the bottom of thereinforcement cage is inserted into the pile bottom expanding part; 4, a first guide mechanism and a second guide mechanism are installed at the position, close to the pile hole, of the ground and the top of the reinforcement cage correspondingly, and a pouring guide pipe is inserted into the pile hole through the first guide mechanism and the second guide mechanism; and 5, a concrete pump is connected to the top of the pouring guide pipe, and pile forming concrete slurry is poured into the pouring guide pipe. The construction method has the effect of keeping the pouring guide pipe stable when being put down.

The invention discloses a poisoning method and a positioning device of a mobile robot, a mobile robot and a storage medium. The method comprises the following steps: acquiring the original positioninginformation of the mobile robot, wherein the original positioning information includes a first detection pose output by a main positioning module, second detection poses output by each slave positioning module, and a last pose of the mobile robot in the last positioning cycle; performing fusion calculation on the first detection pose, second detection poses output by valid slave positioning modules and the last pose by adopting a set fusion algorithm if existence of the valid slave positioning modules in the slave positioning modules is determined based on the second detection poses, so as todetermine the current pose of the mobile robot in the current positioning cycle. According to the embodiment of the invention, by adopting the technical scheme, the positioning error of the mobile robot can be reduced, and the positioning precision of the mobile terminal and the navigation accuracy of the mobile terminal are improved.

The invention discloses an automatic strapping and packing machine and a strapping and packing technology thereof. The automatic strapping and packing machine comprises a transit detection platform, alinkage feeding mechanical arm, sheet stacking platforms, sheet picking and rotating mechanisms, belting and strapping mechanism, bundle picking and blanking mechanical arms and a stock box; the transit detection platform is arranged on a rack, the linkage feeding mechanical arm is arranged on the front side of the transit detection platform, and two sets of stock suction assemblies are arrangedon the linkage feeding mechanical arm at intervals; the sheet stacking platforms are arranged on the right side of the transit detection platform at intervals; the sheet picking and rotating mechanisms are arranged on the rear sides of the sheet stacking platforms, and stacked glass sheets in the sheet stacking platform are clamped and picked out by the sheet picking and rotating mechanisms and rotate to the vertical direction; the belting and strapping mechanisms are arranged on the side portions of the sheet picking and rotating mechanisms; the bundle picking and blanking mechanical arms are arranged on the right sides of the sheet picking and rotating mechanisms. The automatic strapping and packing machine effectively reduces membrane material collision between the adjacent glass sheets and membrane material collision between the glass sheets and external objects, effectively achieves concentrated storage of the glass sheets, and greatly improves the storage efficiency of the glasssheets.

The invention discloses a tunnel type car washing machine capable of automatically recognizing a car, and aims to solve the problems that an existing car washing machine is poor in practicability, cannot uniformly clean and blow-dry different types of cars, is difficult to clean dead corners of the cars, is poor in integration and high in operation difficulty, and needs staffs to guard. Comprising two driving bottom plates which are horizontally arranged and a tunnel type car washing room which is erected on the middle sections of the two driving bottom plates, one driving bottom plate is provided with a single-rail car dragging chain, and a guide mechanism is arranged at a car washing inlet; the tunnel type washing room is internally provided with a top brush; the side brushes are symmetrically arranged; the hub cleaning mechanisms are symmetrically arranged; a pipeline waterway; a swing air-drying mechanism; an intelligent vehicle identification terminal is arranged at the vehicle washing entrance, and an exit camera is arranged at the vehicle washing exit. The method is especially suitable for automatically identifying the vehicle and only washing the vehicle, and has high social use value and application prospect.

The invention relates to the technical field of chemical engineering, and discloses a chemical liquid product sample inspection device which comprises a box body. A box cover is rotatably connected to the top of the box body, fixing holes are formed in the left side and the right side of the box cover, moving grooves are formed in the left side and the right side of the box body, the moving grooves are in a transverse T shape, and a holding rod is slidably connected to the interior of each moving groove. According to the chemical liquid product sample inspection device, the holding rods rotate forwards at vertical grooves and transverse grooves of the moving grooves, so that the holding rods move forwards in the transverse grooves of the moving grooves, the holding rods move forwards to drive moving plates to move forwards to stretch second tension springs, meanwhile, reduction is achieved to a certain extent, and the situation that when the device is moved by a worker, an internal sample bottle topples over, so that corrosive liquid in the sample bottle flows out to injure the body of the worker is avoided.

A lithium ion dry stirring process comprises the following steps of selecting 94-97 parts of active substance, 1-3 parts of conductive agent and 2-4 parts of binding agent powder according to parts bymass, adding the constituents into a stirring barrel, and performing uniform mixing to obtain powder particles, wherein the active substance is graphite; vacuumizing the stirring barrel so that the stirring barrel is in a vacuum state, adding a solvent into the stirring barrel at the first time, wetting the powder particles so that the solvent is absorbed onto surfaces of the powder particles, simultaneously stirring the powder particles to form a large shearing effect, and fully and uniformly mixing and wetting the powder particles to form a particle agglomeration body; adding the solvent into the stirring barrel at the second time, continuously maintaining stirring operation, and dispersing the particle agglomeration body under the shearing effect generated by stirring to form paste sothat the conductive agent is uniformly distributed; and adding the solvent into the stirring barrel at the third time, simultaneously maintaining stirring operation, diluting the paste, and adjustingviscosity of the paste. By the lithium ion dry stirring process, the molecule friction force of the powder particles during the kneading process is effectively reduced, and the heat energy generated by the kneading process is reduced.

The invention discloses a storage battery installing bracket. The storage battery installing bracket comprises a bottom plate assembly provided with side walls and pull rods provided with hooks. The bending portions of the hooks extend from the inner sides of the side walls to the outer sides of the side walls, so that the bottom plate assembly is connected with the pull rods. According to the storage battery installing bracket, the hooking direction of the hooks and the bottom plate assembly is changed, and the mode of hooking from the outer side to the inner side is improved to the mode of hooking from the inner side to the outer side; accordingly, the clearance of the pull rods and an air filter is enlarged, the situation of collisions between the pull rods and the air filter in the driving process can be decreased even avoided, the noise is reduced, and the performance of a whole vehicle is improved significantly. The invention further provides the vehicle provided with the storage battery installing bracket.

The invention discloses a plastic particle conveying mechanism. The plastic particle conveying mechanism comprises a particle conveying device and a particle collecting device, wherein the particle conveying device comprises a belt type conveyor and a first support frame; the belt type conveyor is provided with one end, connected with the particle collecting device, of a driving roller; the belt type conveyor is provided with one end, close to the ground, of a turnabout roller and is provided with a material receiver; the side surface, close to the turnabout roller, of the material receiver and the two side surfaces adjacent to the side surface are provided with side bars; the surface of a conveyor belt is provided with a line-folded bulge; the sharp end direction of the line-folded bulgeis opposite to the motion direction of the conveyor belt; a support roller is arranged under the conveyor belt; the particle collecting device comprises a hopper and a second support frame; and the second support frame is used for supporting the hopper. Through the plastic particle conveying mechanism disclosed by the invention, the collision situation of the plastic particles is reduced, so thatthe quality of the plastic particles is improved.

The hoisting method comprises the following steps that a, a first crane, a second crane, a steel beam component, a first temporary supporting frame body and a second temporary supporting frame body are arranged; b, the positions and the number of lifting lugs are arranged, and a first set of lifting lugs and a second set of lifting lugs are arranged; c, the first crane lifts the steel beam component through a first set of lifting lugs till the first crane translates to the limit working radius of the first crane, and the steel beam component temporarily falls on a first temporary supporting frame body; d, a second crane is buckled to one second set of lifting lugs, the first crane and the second crane are matched with each other, so that the first crane and the first set of lifting lugs are separated, and the first crane is buckled to the other second set of lifting lugs; and e, the first crane and the second crane synchronously hoist the steel beam component. And the hoisting system is converted, so that the specification of a selected crane is greatly reduced, and a large amount of crane cost is saved.

The invention discloses an HARQ feedback method, and belongs to the technical field of wireless communication. The method is executed by a base station. The method comprises following step: after first random access information (Msg.A) emitted by at least one terminal is received, returning second random access information (Msg.B) to at least one terminal, wherein Msg.B is used to indicate feedback parameters of all HARQ feedback terminals of at least one terminal; the HARQ feedback resources of all HARQ feedback terminals are different; and based on the HARQ feedback resources of all retransmission terminals, the base station receives HARQ feedbacks aiming at Msg.B from all retransmission terminals. The base station returns Msg.B, which indicates the feedback parameters of all HARQ feedback terminals, to at least one terminal to reduce the collision situation that terminals, which need to carry out HARQ feedback, use a same HARQ feedback resource, and thus the Msg.B feedback efficiency of the terminals is improved.

The invention discloses manual cleaning equipment. The manual cleaning equipment comprises a left conveying belt and a right conveying belt, a cleaning bench is arranged between the left conveying belt and the right conveying belt, a cleaning cover is arranged on the upper portion of the cleaning bench, a cleaning sink is arranged in the cleaning bench, and a high-pressure cleaning gun is arranged in the cleaning sink and is connected with a high-pressure water pump. The bottom of the cleaning sink is connected with one side of a filtering sink through a pipeline, a water outlet is formed in the other side of the filtering sink, a magnetic roller way is arranged in the filtering sink and is abutted to one end of a scraping plate, the other end of the scraping plate is arranged in a collecting tank, the filtering sink is arranged in a recovery sink, two operation openings are formed in one side of the cleaning cover, and a sight window is arranged between the two operation openings. The manual cleaning equipment is convenient to use, good in cleaning effect, energy saving and environment friendly.

The invention relates to an obstacle detection system for vehicles, and belongs to the field of vehicle safety. The system comprises a navigation module used for positioning and navigating a vehicle and outputting tunnel information; a height detection module used for receiving the tunnel information, being started in response to the tunnel information and detecting the height of a tunnel in frontof the vehicle; a processing module used for comparing the tunnel height with the vehicle height, and outputting an alarm signal if the tunnel height is smaller than the vehicle height; and an alarmmodule used for receiving the alarm signal and giving an alarm in a steering wheel light-emitting mode. The method has the effects of reducing the collision between the vehicle and the tunnel and improving the driving safety.

The invention relates to the field of motor testing, in particular to fixing equipment for motor detection, which comprises a fixing plate, a fixing groove for placing a motor is formed in the end face of the fixing plate, and a locking part for locking the motor is mounted on the end face, on the same side as the fixing groove, of the fixing plate. An inflatable cushion arranged below the motor is fixedly connected to the inner bottom face of the fixing groove, and an air draft pump communicating with the inflatable cushion is fixedly connected to the fixing plate. The problem that the motor is easy to damage is solved.

The invention discloses a robot path generation method for hub wheel hole deburring machining, which comprises the following steps: S1, importing a hub image into OpenCASCADE software, selecting a hub wheel hole to be deburred, generating a deburring machining path corresponding to the side surface of the hub wheel hole, and putting the deburring machining path into a path set {P}; s2, a deburring machining path in the path set {P} is segmented into a plurality of road sections, and the road sections are sequentially put into a road section set {Pn}; and S3, sequentially extracting road sections in the road section set {Pn}, and performing pose optimization on the discrete waypoint sequence of the extracted road sections. By means of the path optimization method, the finally obtained hub hole side face machining points can be well attached to the surface of the model, the posture transition is smooth, the number of the machining points is relatively small, in addition, the poses of the path points (machining points) are optimized, and the situation that an end executor of a robot collides with the machining face is greatly reduced.

The invention discloses a pair of rolling scissors, and relates to the technical field of machining. In the application, the rolling scissors comprise a body, a clamping part and a cutting part, wherein the body is used for being connected with a control device; the clamping part is connected with the body, and the clamping part is used for being attached to a part; and the cutting part is connected with the body, and the cutting part is used for cutting materials. The rolling scissors are used for preventing the problems that when a punch is used for cutting redundant steel wire ends at two sides of a fence mesh, the occupied area of the punch is very large, time and labor are wasted after a cutting edge is damaged during cutting of the punch, and the machining efficiency is affected.

The invention provides a multi-grid double-glass photovoltaic cell structure, and relates to the technical field of double-glass assemblies. The structure comprises a shell. A movable adjusting structure is fixedly mounted at the bottom of the shell. A dust removal structure is fixedly mounted on one side of the outer surface of the shell. The dust removal structure comprises a heat dissipation frame. A heat dissipation fan is fixedly mounted on one side of the outer surface of the heat dissipation frame. Heat dissipation holes are formed in the outer surface of the heat dissipation frame. A mounting frame is fixedly mounted on one side of the outer surface of the shell, a pull handle is fixedly mounted at the top of the shell, a dustproof plate is fixedly mounted on the front surface of the shell, a connecting terminal is fixedly mounted on the back surface of the shell, and a control panel is fixedly mounted on the front surface of the shell and located above the dustproof plate. According to the invention, through arranging the POE small strips, 70 * 10mm POE small strips are cushioned at four corners of the upper frame and two sides of the middle bus bar, so that the pressure on four sides of the assembly is reduced, fragments and corner bubbles are improved, the sizes of the small strips are determined through multiple experiments on the basis of the layout of the existingassembly, and the sizes of the POE small strips are in a positive fit state.