25results about How to "Avoid force" patented technology

This utility model belongs to the technical field of oil drilling and production equipment, specifically relating to a tubing scraping device. The device includes an upper connector and a scraping head, as well as a rotating mechanism connecting the upper connector and the scraping head. The rotating mechanism includes a support sleeve connected to the upper connector and a rotating body with one end anti-detached from the support sleeve and the other end connected to the scraping head. Track grooves are evenly distributed on the outer wall of the rotating body. A guide pin is provided at the end of the support sleeve away from the upper connector. The track grooves and guide pin are slidably engaged to allow the rotating body to rotate and axially displace relative to the support sleeve when the tubing scraping device is lifted or lowered. In use, by lifting or lowering the device, the track grooves of the rotating body slidably engage with the guide pin of the support sleeve. The guide pin slides along the track grooves, forcing the rotating body to rotate and generate axial displacement, thereby driving the scraping head to actively rotate and move axially. Compared with the prior art, which passively drives the scraping head through scraper friction, this effectively improves scraping quality and efficiency.

This invention relates to an adsorption tower and a gas nano-purifier. The adsorption tower includes an outer tube and an inner tube coaxially arranged within the outer tube. The outer tube has a first outlet on its wall. The inner tube includes an inlet section, an adsorption section, and a dust removal section connected sequentially from bottom to top. The inlet section has an inlet on its wall. The adsorption section is filled with adsorbent, and a first filter and a second filter are respectively provided at the connection points between the adsorption section and the inlet and dust removal sections. At least a portion of the sidewalls of the dust removal section is configured as a filter layer. Under purification conditions, the high-pressure gas to be treated enters the inner tube through the inlet, passes sequentially upwards through the adsorption and dust removal sections, enters the annular gap between the inner and outer tubes via the filter layer, and is discharged from the first outlet. Through this configuration, using a tube-in-tube structure with the outer and inner tubes coaxially arranged, the integration of the equipment is improved and its volume is reduced, achieving multi-stage purification of gas within a single component, including diffusion, deep adsorption, and precision dust removal.

This invention discloses a protective garment for epicondylitis of the humerus based on an antibacterial and thermally conductive composite material, belonging to the field of medical protective gear technology. It includes a forearm support and an upper arm support, which are rotatably connected by an adjusting mechanism. The upper arm and forearm sleeves are 3D printed using an antibacterial and thermally conductive composite material, which comprises a polylactic acid matrix, a graphene oxide-silver nanoparticle-carbon nanotube ternary composite filler, and phase change microcapsules, with a thermal conductivity of 1.5-4.0 W·m. ‑1 ·K ‑1 With an antibacterial rate of ≥95%, it solves the problems of poor thermal conductivity, lack of antibacterial properties, and uneven heat therapy in existing protective gear.

This invention provides a three-trailer collaborative aircraft transfer method and system based on multi-sensor fusion. This invention relates to the field of aircraft ground support technology, specifically to a three-trailer collaborative aircraft transfer method based on multi-sensor fusion, applicable to short-haul aircraft ground transport to hangars. Through multi-sensor data fusion and multi-trailer collaborative control, it improves transfer accuracy, safety, and efficiency. The method specifically includes the following steps: system setup and sensor calibration; trailer attitude initialization and collaborative parameter configuration; real-time acquisition and preprocessing of multi-sensor data; multi-sensor data fusion and state estimation; dynamic path planning based on fused data; attitude error quantification and calibration based on complex statistics; multi-trailer collaborative driving control and traction distribution; real-time environmental monitoring and risk warning; precise docking at the hangar entrance and attitude fine-tuning; and parking and system review and optimization.

The purpose of this invention is to solve the problem that existing battery boxes use adhesive to fix battery cells and weld electrical connections, making it difficult to disassemble and replace the battery cells. This invention provides a battery box structure and method that facilitates battery cell replacement. The battery box structure includes a box body, battery cells, clips, sheet metal, connectors, and a power board. The box body has an internal cavity, and the battery cells are housed within it. The sheet metal is fixed inside the box body, and the clips engage with the sheet metal, with the upper end of the clips pressing down on the battery cells to achieve adhesive-free fixing. The connectors are made of conductive material and are located between the electrodes of adjacent battery cells. Each connector includes a cut section and connecting sections on both sides of the cut section, with the connecting sections on both sides fixedly connected to the corresponding electrodes of the two battery cells. The power board is used to electrically connect the two connecting sections after the cut section is removed. By using clips to fix the battery cells without adhesive, and in conjunction with the cuttable connectors, a detachable electrical connection is achieved, enabling rapid individual replacement of the battery cells.

This invention belongs to the field of vehicle seat vibration damping technology, and particularly relates to a low-profile seat airbag suspension vibration damping structure. This invention provides a low-profile seat airbag suspension vibration damping structure, which, by setting a scissor bar mechanism, a main airbag assembly, a limiting webbing, a C-shaped fixing plate, and a C-shaped groove on the vibration damping top cover and vibration damping base, achieves the following: 1. By integrating the roller sliding stroke of the scissor bar mechanism into the vertical space formed by the bending of the vibration damping top cover and vibration damping base, additional stacking height is avoided, achieving a low-profile integrated layout suitable for installation environments with limited vertical space; 2. The limiting webbing is fastened to the C-shaped groove of the C-shaped fixing plate at both ends, allowing for quick assembly in confined rear spaces without fasteners. Furthermore, the groove wall clamps and locks under tension, preventing dislodgement and achieving long-term reliable flexible upper limit positioning, thus preventing the main airbag assembly from over-expanding and failing.

The utility model relates to carton production technical field, and disclose a cutting device with positioning structure for carton production has, including work table. The cutting device with positioning structure for carton production has, through setting up electric push rod, rubber antiskid pad and pressure sensor composition's positioning system, before carton cutting, electric push rod drives push rod to drop, drives positioning pressboard to move down, makes rubber antiskid pad and the paperboard to be cut closely contact, and the high friction coefficient material of rubber antiskid pad can effectively prevent paperboard to slide, and pressure sensor detects contact pressure in real time simultaneously, and signal transmission to controller, when pressure reaches the preset value, controller controls electric push rod to stop running, realizes accurate positioning and stable clamping to paperboard, and this positioning mode effectively avoids the problem that paperboard is damaged due to displacement or excessive stress because of not firm fixed when traditional cutting, guarantees the accuracy of cutting size and the neatness of kerf, improves the production quality of carton.

The utility model belongs to building construction device technical field discloses a kind of underground continuous wall reinforcement cage hoisting device including bearing mechanism, connecting assembly and two hoisting mechanisms, bearing mechanism includes fixed seat, two movable seats and first drive component, two movable seats are located in the two sides opposite of fixed seat and movably connected in fixed seat, and first drive component is set in fixed seat and can drive two movable seats move along first direction;Connecting assembly includes two connecting pieces connected to the top surface of two movable seats, and connecting piece is used to connect hoist;Two hoisting mechanisms and two movable seats one-to-one correspondence, hoisting mechanism includes two hoisting assemblies and second drive component, two hoisting assemblies are spaced apart and set in the side of movable seat away from connecting piece along first direction, and second drive component is set in movable seat and can drive two hoisting assemblies move along first direction, and hoisting assembly is used to connect reinforcement cage.The utility model is adapted to the reinforcement cage hoisting demand of different sizes.

This invention relates to the field of civil engineering technology, and provides a double-layer thin-walled pressurized column component, comprising an outer column shell, an inner cylinder, and a pressurization container. The outer column shell has a hollow structure; the inner cylinder is a cylindrical structure with open ends, disposed inside the outer column shell, with its axis parallel to the axis of the outer column shell, and a gap between the outer side wall of the inner cylinder and the inner side wall of the outer column shell; the pressurization container is disposed inside the inner cylinder, and is used to fill a pressure medium and expands and deforms as the internal pressure of the pressure medium increases, thereby generating compressive force on both ends of the outer column shell. This design solves the problems in related technologies where pressure-bearing components are prone to bending or buckling instability when bearing external pressure, and the low material utilization efficiency caused by the cylinder wall of the pressure-bearing component simultaneously bearing axial and circumferential stresses.

The utility model belongs to the technical field of door single bar, specifically relates to an easy-to-assemble-and-disassemble door single bar, and provides an easy-to-assemble-and-disassemble door single bar, aims at solving the inconvenient assembly and disassembly of the door single bar in the prior art, an easy-to-assemble-and-disassemble door single bar, including horizontal pole and the support seat of setting on horizontal pole, the support seat is through connecting rod setting on horizontal pole, the utility model discloses through adopting the connecting seat design of split type, and is equipped with elastic part, and user does not need complicated tool or tedious operation step when assembling and disassembling the door single bar. Only needs simply overcoming the action of elastic part, can easily complete the assembly or disassembly of connecting seat and connecting rod, and greatly improves the convenient use. The first part and the second part of connecting seat respectively pass through the cooperation of positioning block and positioning slot, recess and convex part, ensure the firm connection between connecting seat and connecting rod. This design improves the stability of the door single bar after installation.

The utility model relates to oil fume suction equipment technical field provides a kind of range hood box body assembly and range hood, the component includes box body coaming and box body backplate. Wherein, installation groove is formed between the first end and the end of box body coaming;Box body backplate is detachably arranged in installation groove;Multiple plug-in buckles are equipped on the both sides of box body backplate, and multiple insertion holes are equipped on the first end and the end of box body coaming, each plug-in buckle is matched with each insertion hole, and plug-in buckle is equipped with fixed section with plane structure.The range hood box body assembly provided by the utility model, by setting the fixed section of plane structure, when box body backplate is installed on installation groove, each plug-in buckle is buckled on each insertion hole, the plane of fixed section is abutted with the plane near insertion hole on box body coaming, the stress area of plug-in buckle is enlarged, avoid the corresponding insertion hole to occur contact stress concentration and easy to deform phenomenon after box body backplate installation, prevent the installation surface between box body backplate and box body coaming from producing off seam and leading to oil leakage.

This invention relates to a strength testing device and method for the production of recycled antibacterial bottles, and belongs to the field of antibacterial bottle strength testing technology. It includes a testing platform, a pressing seat, and a locking seat. The pressing seat is slidably disposed on the surface of the testing platform. A pressure plate is installed at the bottom end of the pressing seat. A limit plate is disposed inside the pressing seat. A sliding column is slidably disposed inside the limit plate. A leveling component is disposed on the surface of the limit plate. A floating seat is disposed at the end of the sliding column. A fixed seat is fixed to the surface of the floating seat. A clamping component is disposed on the surface of the fixed seat. A locking seat is installed on the surface of the pressing seat. This invention, through the configured pressing seat, locking seat, pressure plate, floating seat, and leveling component, allows the floating seat, in conjunction with the leveling component, to rotate freely when placing recycled antibacterial bottles. This adapts to molding errors such as uneven bottle bottoms and inherent bottle tilt, automatically correcting the verticality of the bottle body without manual calibration, improving positioning accuracy, and simplifying operation steps.

The application discloses a reduction device for long bone comminuted fracture operation, and relates to the technical field of medical devices. The device comprises a middle segment positioning mechanism and two groups of two-side segment positioning mechanisms symmetrically arranged. The middle segment positioning mechanism comprises a positioning tube provided with a wedge-shaped convex rib; the two-side segment positioning mechanism comprises a frame body, an inner movable block capable of adjusting the position in the axial direction and an outer flexible sheet, and realizes fine adjustment of the position through a lead screw and a bevel gear transmission group. The proximal ends of the two groups of frame bodies are designed in a step-shaped overlapping mode and are jointly sleeved outside the positioning tube. Through a one-way meshing structure formed by a rack in the mounting block and the wedge-shaped convex rib, and by using matched guide inclined surfaces and limiting stop surfaces, the two groups of frame bodies are realized to slide inwardly and be automatically locked. The application realizes the logic of central anchoring and two-side butt, ensures the tightness and in-operation stability of the joint between the side bone block and the middle bone block, supports vertical sliding and separation, and greatly facilitates post-operation removal.

The utility model belongs to gas density measurement technical field, especially relates to a kind of anti-explosion gas density gauge. Including: pressure sensing chamber, it is laid in the outside of the shell, and with the inner chamber of the shell is communicated;Pressure sensing diaphragm, its edge end is fixedly sealed with the inner wall of the pressure sensing chamber, axial end bottom is equipped with mandrel, the mandrel is slidably inserted in shaft hole and extends to the lead-through chamber of outside, wherein the shaft hole is opened in the bottom of the pressure sensing chamber, the lead-through chamber is laid in the bottom of the pressure sensing chamber;Spring, it is sleeved on the mandrel, and the upper end of the spring is connected with the pressure sensing chamber, lower end is connected with lead-through plate, the lead-through plate is connected with the lower end of the mandrel, the inner chamber bottom of the lead-through chamber still includes the touch switch of setting. The utility model is pushed by pressure sensing diaphragm and makes lead-through plate and touch switch touch, so that its pressure relief valve opens to carry out timely pressure relief, reach the function of self pressure relief explosion-proof.

The utility model provides a full -automatic vertical planing and grooving machine relates to full -automatic vertical planing and grooving machine field, including vertical planing and grooving machine, including the body, the rack fixed in the body top, install the workstation in the body top, moving assembly, including the rack, with the rack meshing gear, be located in the body front L type board, with First motor fixed in the L type board, fixed in the body front slide rail, sliding connection in the slide rail surface slide seat, the utility model discloses the compression assembly through servo cylinder drive connecting rod assembly, make the compression rod and the compression plate to the metal sheet and carry out compression fixed, can effectively prevent the displacement or the shaking of metal sheet in the planing and grooving process, has guaranteed the stability of processing, the design of connecting rod assembly makes the compression force can evenly distribute on the metal sheet, avoided the situation that partial force is too big or too small, thereby effectively improved the processing quality.

The utility model relates to glass production technical field, more particularly, relate to a kind of glass plate cooling and conveying device, including rack, conveying roller group and auxiliary roller group, wherein, conveying roller group is provided with driving roller, and driving roller and rack are rotatably connected;Auxiliary roller group sets positive pressure roller;Positive pressure roller is hollow structure;The surface of positive pressure roller is provided with gas guide hole, and gas guide hole and gas source mechanism are communicated;All driving roller and positive pressure roller jointly form the conveying plane for conveying glass plate material.It is designed through the structure, air provided by gas source mechanism is sprayed upward from gas guide hole, forms air film, so that the physical contact area and contact pressure of glass plate material with driving roller and positive pressure roller surface during conveying process are greatly reduced, the wear problem of roller surface caused by sliding friction in traditional roller conveying is reduced, so that it can be ensured that conveying plane can long-term maintain initial flatness precision.

The application discloses a portable moped battery structure and a use method thereof, and belongs to the technical field of batteries, wherein the inner side of a front cover and a rear cover is provided with a bottom shell bone position groove, the inner sides of the front cover are respectively provided with a support B and a support A, the support B and the support A are provided with a battery cell, the outer ends of the support B and the support A are provided with a limiting support rod, the outer sides of the support B and the support A are symmetrically provided with the bottom shell bone position groove, the inner circle of the front cover and the rear cover is provided with a positioning mutual sleeve, the positioning mutual sleeve in the middle end of the front cover and the rear cover is provided with a pin, the structure strength of the two side surfaces of the battery is enhanced, the battery PACK part is prevented from being squeezed when the battery is subjected to a squeezing test, and thus the safety and reliability of the battery are ensured, the support A and the support B are positioned by means of a screw column mutual sleeve positioning structure, there are eight locking screws in the whole circle, the drop resistance of the battery pack is enhanced, the PACK structure reliability of the battery is enhanced, the battery is convenient, fast and efficient to install, the bottom of the battery cell support A and the bottom of the battery cell support B are provided with a U-shaped positioning structure which is inserted into the bottom shell bone position groove and is provided with a mutual embedding structure.

This invention discloses a seepage-proof composite geomembrane laying device for water conservancy projects, belonging to the field of water conservancy engineering machinery. It includes an outer support frame composed of front and rear end plates and lateral crossbeams, and multiple membrane laying units connected by a combined track. Each laying unit has an inner frame, with first and second mounting shafts passing through the inner frame and supporting a detachable roller shaft. The driving wheels are coaxially fixed to the mounting shafts, achieving mechanical locking synchronization between the traveling displacement and the laying length. Multiple laying units are arranged in a staggered pattern along the traveling direction, with the driving wheel projection of the rear unit covering at least a portion of the laying path in front. This invention achieves precise control of the overlap width between adjacent geomembranes through an orthogonal adjustment system and utilizes a staggered layout to achieve a "laying and pressing simultaneously" operation, effectively solving the problems of low precision and easy wrinkling in traditional laying processes. It has significant advantages such as structural stability, high construction efficiency, and excellent seepage-proof quality.

This application provides an obstacle-crossing control method for cleaning equipment and a cleaning equipment itself. The method includes: in response to a detected target obstacle meeting obstacle-crossing conditions, controlling the cleaning equipment to move towards the target obstacle; the target obstacle is an obstacle containing at least one step; for each step of the target obstacle, after the cleaning equipment has at least partially engaged with the current step of the target obstacle and the obstacle-crossing wheel legs have engaged with the current step, first controlling the drive wheel located on a first side to move forward, utilizing the support generated by the engagement of the obstacle-crossing wheel legs with the current step, so that both the obstacle-crossing wheel legs and the drive wheel located on the first side cross the current step; then controlling the drive wheel located on a second side to move forward, utilizing the support generated by the engagement of the obstacle-crossing wheel legs with the current step, so that both the obstacle-crossing wheel legs and the drive wheel located on the second side cross the current step. This method is used to achieve stable and efficient crossing of obstacles with heights exceeding conventional obstacle-crossing limits, improving cleaning coverage and equipment operational reliability.

This utility model relates to the field of tire manufacturing technology. It provides a tire carcass comprising an inner support portion, a rim, and support units. The rim is annular and concentrically arranged with the inner support portion. A support space is formed between the inner sidewall of the rim and the outer sidewall of the support portion. The outer sidewall of the rim abuts against the inner surface of the tire to support the tire. Multiple support units are provided on the outer sidewall of the inner support portion. The two ends of each support unit abut against the inner sidewall of the rim and the outer sidewall of the inner support portion, respectively. The inner support portion, support units, and rim are integrally formed. This utility model also provides a cross-linked foamed tire, comprising a tire carcass and an outer tire mounted on the tire carcass. Through the above technical solutions, the carcass structure can be installed without splicing, forming a continuous whole. This solves the technical problem in the prior art where traditional split tire carcasses rely on splicing processes, and stress concentration points easily form at the splicing points, leading to delamination of the tire carcass under high loads or complex working conditions.

The utility model relates to borehole equipment technical field discloses a pneumatic handheld type down -the -hole drill suitable for steep slope mountain, including machine case and drill rod, and drill rod is connected with machine case drive, still include adjusting board, first connecting plate, second connecting plate, first operating lever, second operating lever, first bolt, second bolt, lock nut, the utility model can realize the installation height of second operating lever is adjusted according to the slope of the steep slope of the working surface position, thereby can effectively improve the installation height of first operating lever, second operating lever and the matching degree of construction personnel standing position, the construction personnel of the upper and lower sides of drill is convenient synchronous operation drill, save time and effort, effectively reduced the security risk of the operation process because of the inconvenience of holding drill, simultaneously, avoided the situation that the holding posture difference is big and is easy to make the drill both sides uneven stress and tilt, can guarantee the perpendicularity of drill in the drilling construction process, can effectively guarantee the construction quality of pile foundation hole.

The utility model relates to hydraulic technology field especially relates to a check device. A check device, the valve seat and the valve sleeve form first cavity, the side of valve sleeve away from valve seat forms second cavity, forms damping hole on the valve sleeve, and working oil port communicates with first cavity through damping hole, the valve core and valve seat form third cavity, and the valve core forms inside oil channel to make second cavity and third cavity keep communicating in, and the diameter of valve core and valve sleeve cooperation place is equal to the diameter of valve core and valve seat cooperation place, elastic member, act on the valve core, make the valve core abuts on the valve sleeve and forms seal, and the communication between first cavity and second cavity is blocked, and the valve sleeve abuts on the reversing valve body and forms seal, and the communication between working oil port and second cavity is blocked. The technical problem that the check device in the prior art cannot keep pressure balance, aggravates the wear and tear between push rod and thrust mechanism, leads to the increase of power, limits the use of maximum pressure of check device has been solved.

This invention belongs to the technical field of machine tool components, specifically a tool reversing device for a disc tool magazine. The proposed solution includes a tool magazine mounting frame, on the side of which a disc tool magazine and a fixing rod are mounted. A disc tool holder is rotatably mounted on the outer side of the fixing rod, and a fixing cover mechanism is fixedly mounted on the outer end of the fixing rod. A tool magazine drive motor is fixedly mounted on the top of the tool magazine mounting frame, and the output end of the tool magazine drive motor is connected to the disc tool holder via a transmission connection. A tool magazine housing is provided on the side of the disc tool magazine. In this invention, rotational motion is generated between the driven gear and the tool holder fixing shaft. Simultaneously, a locking block is embedded between the locking parts. At this time, the tool holder is locked below the connecting piece by the locking bolt and the positioning clamp. During the insertion and removal of tools in the tool holder, forces are avoided on the transmission parts in the tool reversing structure, improving the stability and service life of the tool reversing device.

This invention relates to the field of transportation equipment technology, and in particular to a closed-track accumulation chain system, comprising a profile track, trolleys, accumulation devices, and a chain. Several trolleys are arranged along the extension path of the profile track and slidably mounted on it. Several accumulation devices are correspondingly mounted on each trolley. The chain is disposed within the profile track. This invention incorporates a short bushing. Because the short bushing is configured such that whenever its corresponding chain link unit moves to a preset position on the profile track, the short bushing rotates circumferentially by a preset angle relative to the chain link unit, the circumferential force position of the short bushing changes compared to the previous rotation. This avoids prolonged stress on a localized circumferential position of the short bushing, thereby preventing circumferential wear and ensuring the transmission accuracy and stability of the chain.