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83 results about "Rigid rod" patented technology

Seat belt buckle attachment device

The invention relates to a fastening device (100) for a seat belt buckle (52), comprising: - a loop (110) including a clasp (112) adapted to receive said buckle, - a rigid stem (120), and - a sliding mounting system (101) for the clasp (112) along said stem, which is adapted to block said sliding when a tensile force (F1) exceeding a threshold is exerted on the clasp. According to the invention, the sliding mounting system comprises: - a sleeve (111) coupled to the clasp and housing the stem, - a means for coupling the sleeve to a seat base, - two clamping means (140) located on either side of the stem and movable between a clamping position of the stem and a rest position in which the stem can slide relative to the sleeve, and - means for returning the clamping means to the rest position. Figure for the abstract: Fig. 2
Owner:RENAULT SA

Profile steel stacking adsorption equipment

The utility model discloses profile steel stacking adsorption equipment, which belongs to the field of profile steel stacking and comprises a working frame, a movable block slidably connected to the inner wall of the top of the working frame, a protective shell fixedly connected to the bottom of the movable block, two first connecting rods rotatably connected to the bottom of the protective shell, and second connecting rods rotatably connected to the other ends of the two first connecting rods. Third connecting rods are rotationally connected to the other ends of the two second connecting rods, fourth connecting rods are rotationally connected to the other ends of the two third connecting rods, a same connecting roller is rotationally connected between the two fourth connecting rods, and two long connecting rods are rotationally connected to the two sides of the connecting roller. The lifting device is reasonable in structural design, the long connecting rods, the short connecting rods, the first roller and the flat plate are matched, the lifting device can be achieved through the multiple connecting rods, and due to the fact that the connecting rods are composed of the rigid rod pieces and the hinges and are simple in structure, the manufacturing and maintaining cost of a user is lower, and the user can use the lifting device conveniently.
Owner:WUXI TONGHE MASCH CO LTD

Hard rod extension type endoscopic device

The utility model belongs to the technical field of industrial equipment, and particularly relates to a hard rod extension type endoscopic device which comprises an installation rod, a moving assembly, a rotating assembly and a detection lens. The rotating assembly is arranged at the output end of the moving assembly; the detection lens is arranged at the output end of the rotating assembly; wherein the moving end of the moving assembly slides to a preset position along the length direction of the mounting rod, and the rotating assembly drives the detection lens to circumferentially rotate at the preset position. A hard rod is adopted as a supporting structure, multi-axis adjustment can be achieved when deep well structure detection is carried out, the interior of a shaft can be detected from multiple angles, practicability is greatly improved, and product competitiveness can be improved.
Owner:DONGGUAN XINYE AUTOMATION TECH CO LTD

Overall stress photovoltaic flexible support of fast-assembly type limiting structure

The utility model discloses an integral stress photovoltaic flexible support of a fast-assembly limiting structure, which comprises a plurality of groups of steel strand stress structures which are arranged in parallel to form a flexible stress unit, the flexible stress unit comprises a first steel strand and a second steel strand which are parallel to each other, and a plane formed by the first steel strand and the second steel strand forms an inclination angle with a horizontal plane; a full-length rigid rod piece is arranged below the direction perpendicular to the steel strand, the full-length rigid rod piece is in a U shape, turnups are arranged at the tops of two side wings of the U shape, and quick mounting holes are formed in the turnups. The first steel strand is directly installed on the upper surface of the full-length rigid rod piece through a pressing plate. An elevated supporting component is arranged at the intersection of the horizontal projection of the second steel strand and the upper surface of the full-length rigid rod piece, the bottom of the elevated supporting component is directly connected with a quick mounting hole in the full-length rigid rod piece, and the top of the elevated supporting component is connected with the second steel strand through a pressing plate to form a limiting structure; and the relative position of the steel strand under the wind load effect is limited.
Owner:JIANGSU NEUSOFT INTELLIGENT TECH CO LTD +1

Assembly comprising a rigid rod attached with an expansable curtain airbag and vehicle

The invention provides a curtain airbag assembly and a vehicle including the same. The curtain airbag assembly includes an inflator, an inflatable curtain airbag, and a rigid rod. The inflatable curtain airbag includes a pocket portion and a body portion extending from the pocket portion. The pocket portion defines one or more pockets and a plurality of cutouts spaced apart from each other in a vehicle longitudinal direction of the pocket portion. The main body portion, upon activation, receives gas from the inflator and expands. A rigid rod extends through the one or more pockets and is received within a plurality of receiving members mounted to a body member of the vehicle to secure the curtain airbag assembly to the body member.
Owner:TOYODA GOSEI CO LTD

Pressing member

PCT designated stageWO2026132969A1Soft materialsElectronic component
A pressing member (1) for a pressing unit of a sintering press for carrying out the sintering of electronic components onto a substrate, comprising a rigid stem and a pressing foot (12) connected to one end of the rigid stem (10). The pressing foot is made of a soft material so as to adapt to the geometric conformation of the electronic component to be pressed and protrudes axially from said end of the rigid stem both in an undeformed resting configuration and in a working deformed configuration in which it is subjected to a predetermined pressing pressure.
Owner:AMX AUTOMATRIX SRL

Curtain airbag assembly including rigid bar for attaching inflatable curtain airbag and vehicles including the same

A curtain airbag assembly includes an inflator, an inflatable curtain airbag, and a rigid bar. The inflatable curtain airbag includes a pocket portion and a body portion extending from the pocket portion. The pocket portion defines one or more pockets and a plurality of cutouts spaced apart from one another along a vehicle longitudinal direction of the pocket portion. The body portion inflates upon receiving gas from the inflator when activated. The rigid bar extends through the one or more pockets and is received within a plurality of receiving members mounted to a vehicle body member of a vehicle, thereby securing the curtain airbag assembly to the vehicle body member.
Owner:TOYODA GOSEI CO LTD

Split type press-in magnetic ring layered sedimentation measuring device

The utility model belongs to geotechnical engineering technical field, specifically discloses a kind of layered settlement measuring device of split press-in type magnetic ring. The multi-jack of the device is fixed at the bottom end of hydraulic pump, and the horizontal push slide plate is horizontally coaxially fixed at the bottom of multi-jack, and the split magnetic ring is a rigid rod with a pointed end at one end, and the pointed end is outwardly slidingly placed on the horizontal push slide plate, and the end away from the pointed end is respectively abutted with the corresponding multi-jack piston rod, the boom is vertically arranged and the bottom end is fixedly connected with the hydraulic pump, and the oil pipe is communicated with the oil port of the hydraulic pump at one end and communicated with the ground hydraulic system at the other end. The utility model sets horizontal push slide plate at the bottom end of multi-jack, and slidingly places each split magnetic ring pointed end outward on the horizontal push slide plate, and pushes each split magnetic ring into the soil body of drill hole to form settlement magnetic ring sleeve by the piston rod of multi-jack to monitor layered settlement, with the characteristics of simple structure, easy operation, accurate monitoring data and wide adaptability to strata.
Owner:KUNMING PROSPECTING DESIGN INSTITUTE OF CHINA NONFERROUS METALS INDUSTRY CO LTD +1

Multifunctional manipulator for downhole operations

This utility model is a multi-functional manipulator for downhole operations, including a gripper (1), a flexible contact pad (2), several connecting arms (3), several telescopic rods (4), and a rotating base (5). The rotating base (5) is set on the working surface. The connecting arms (3) are rigid rods that are linearly hinged to each other. The two ends of the telescopic rods (4) are respectively hinged to two adjacent connecting arms (3). One free end of the connecting arm (3) is connected to the output end of the rotating base (5), and the other end is connected to the gripper (1). The contact surface of the gripper (1) is provided with a flexible contact pad (2). The multi-functional manipulator for downhole operations described in this utility model adopts an elastic structure, so that the contact surface and contact point of the clamped structure are within an adjustable range, in order to cope with the use scenarios of clamping non-standard products.
Owner:CHINA NAT GOLD ENG CORP

A special-shaped grading roller with adjustable grading effect

The application discloses a special-shaped grading roller with adjustable grading effect, which comprises a middle shaft and a plurality of net-shaped sieve surfaces, all the net-shaped sieve surfaces being combined to form a cylinder body arranged around the middle shaft; the net-shaped sieve surface is flexible, and a rigid rod is arranged between the edges of adjacent net-shaped sieve surfaces; the special-shaped grading roller further comprises an adjusting mechanism, which can act on all the rigid rods to make all the rigid rods move close to or away from the middle shaft in the radial direction of the middle shaft. In the application, the rigid rods are close to or away from the middle shaft under the action of the adjusting mechanism, the bending degree of the net-shaped sieve surface can be changed, the shape of the whole cylinder body can be changed, the material in the special-shaped grading roller is changed under the action of the special-shaped grading roller when the special-shaped grading roller rotates around the middle shaft, the distribution state of the material in the special-shaped grading roller can be changed, and the adjustment of the grading effect and the grading efficiency can be realized.
Owner:NANJING AGRI MECHANIZATION INST MIN OF AGRI

Tree type hierarchical balance hoisting calculation simulation method

The application discloses a tree type hierarchical balance hoisting calculation simulation method, and realizes self-balance of a portal crane in folding through a hoisting rope unit and a rigid rod, the hoisting rope forces of each hoisting rope in a single lifting mechanism are basically consistent, the actual hoisting rope force state of the hoisting folding working condition is well simulated, the hoisting rope force of a single hoisting point is provided, and the accuracy of the total hoisting rope force of the single lifting mechanism is ensured, so that more accurate basis is provided for judging whether the bearing capacity of each lifting mechanism and the block hoisting point meets the demand, and finally the correctness of the structural strength checking of the block structure in the hoisting working condition is ensured.
Owner:OFFSHORE OIL ENG CO LTD

Device for treating vertebral deformities

PCT designated stageWO2026099519A1Internal osteosythesisSpinal columnPedicle screw fixation
The present invention relates to a device for treating vertebral deformities, consisting of two rods (1 ), suitably curved to correct the deformity, which are attached by means of pedicle screws (2) at the level of the thoracic and lumbar vertebrae, comprising a plurality of segments (6, 3, 8), aligned and joined by a bushing (4), equipped with a transversal pin (7) that delimits the separation movement of the respective consecutive segments coupled thereto and, between two consecutive bushings (4), a bushing (5) sliding on the intermediate segment (3) on which it is mounted. A tightener (10) connects the first upper segment (6) forming each rod (1 ) to the last lower segment (8), passing through all the intermediate segments (3) and is provided with a tightening means that keeps all the segments aligned to form a rigid rod, and a loosening means that allows the separation between the segments and the displacement of the bushings (5) along the segment (3) on which they are mounted, so that the rod (1 ) can be lengthened to allow the patient's growth and the anteroposterior movement of the spine.
Owner:BURGOS FLORES JESUS

Display device

Provided is a display device which comprises: a display module; a cover bottom coupled to the rear surface of the display module; a rigid bar coupled to a lower end of the cover bottom and extending in the horizontal direction; a panel substrate positioned on the rear surface of the rigid bar; and a flexible substrate having one end connected to a lower end of the display module and the other end that is bent in the rear direction from a lower portion of the cover bottom and connected to the panel substrate.
Owner:LG ELECTRONICS INC

The constraint conversion device and the demonstration teaching aid for constructing the influence lines of a multi-span statically determinate beam using the kinematic method

ActiveCN118098054BEnhance interestincrease engagementEducational modelsInfluence lineClassical mechanics
This invention discloses a constraint conversion device and a demonstration teaching aid for constructing the influence line of a multi-span statically determinate beam using the kinematic method. The device includes: a first connecting member for connecting and fixing a first rigid member; a second connecting member for connecting and fixing a second rigid member; several shear constraint conversion boxes of the same shape, height, and proportionally varying length and width, with adjacent shear constraint conversion boxes nested together to form a retractable shear constraint conversion box group; each shear constraint conversion box has a first pin hole, and after all shear constraint conversion boxes are nested and overlapped, all the first pin holes can be fixed by a first pin shaft; and a hinge constraint conversion track, one end of which is fixedly connected to the first connecting member, and the other end of which is hinged or fixedly connected to the shear constraint conversion box group. Advantages: This invention allows switching between shear constraints and hinge constraints; it allows students to assemble the required structural form and release the corresponding constraints, intuitively displaying the structural motion form and deepening students' understanding of the mechanism's motion mode under external forces.
Owner:HOHAI UNIV

Unmanned aerial vehicle electroscope for power transmission line

An unmanned aerial vehicle electroscope for a power transmission line can fly to a specified position for electricity testing through a pull rope by means of an unmanned aerial vehicle, manual tower climbing for electricity testing is avoided, and an operator does not need to wear heavy protective equipment to climb to the top of a tower which is tens of meters high and only needs to control the unmanned aerial vehicle to fly on the ground. Risks of aloft work under complex terrains or severe weather conditions are effectively reduced, life safety of personnel is greatly guaranteed, and the problem of high safety risk of a traditional electricity testing mode is solved. After the unmanned aerial vehicle lifts the whole device away from the ground, the pull rope is tightened, the bottom sleeve abuts against all the middle sleeves to the top sleeve to form an integral hard straight rod, and compared with a traditional mode that the unmanned aerial vehicle and the electroscope are connected through a soft insulating rope, irregular swing of the electroscope when the position of the unmanned aerial vehicle is adjusted is effectively reduced; the accuracy of the position when the electroscope moves along with the unmanned aerial vehicle is remarkably improved, the requirement for operation of workers is lowered, and the efficiency of whole electroscope operation is improved.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO

Lease for Dog

A leash for a dog includes a leash structure having a first end and a second end. The leash structure includes a first portion extending from the first end towards the second end and including an outer sleeve and a rigid rod arranged inside the outer sleeve. Moreover, the leash structure includes a second portion extending from the first portion to the second portion and defining a loop structure at the second end to facilitate a holding of the leash by a user. The second portion is a flexible portion.
Owner:SCHWAN MARK ANDREW

Modular omnidirectional mobile robot and adaptive intelligent track system

ActiveCN120841371BSafety gearTrolleysStrappingOmnidirectional mobile robot
This invention discloses a modular omnidirectional mobile robot and an adaptive intelligent track system, relating to the field of suspended conveying technology. It includes a vehicle body and a track assembly and a suspension assembly installed within the vehicle body. The suspension assembly includes a winding roller and a cable wound around the winding roller. A base is rotatably mounted at the bottom end of the cable, and a strapping strap is mounted on the base. One end of the strapping strap passes through the base and is movably engaged with it. Several evenly distributed positioning holes are formed on the strapping strap. A rigid rod is rotatably mounted at the bottom of the vehicle body, and a hook is rotatably mounted on the rigid rod. With the strapping strap passing through the base, the hook passes through two positioning holes. This invention, through the engagement of the hook and the positioning holes on the strapping strap, limits the positioning holes to prevent the strapping strap from falling off. Furthermore, by hooking the strapping strap, it also limits the cable. When the object stops suddenly, the rigid rod pulls the cable, greatly reducing damage to the cable caused by the inertia of the object during sudden stops.
Owner:KANG XIANDA RECYCLING TECH (CHUZHOU) CO LTD

A municipal road subgrade settlement detection device and method thereof

This invention relates to the field of settlement monitoring and discloses a municipal roadbed settlement detection device, including a vertically arranged settlement rod. The bottom end of the settlement rod is connected to a settlement plate for embedding in the soil layer to be monitored. The top end of the settlement rod extends vertically to above the top surface of the roadbed. An elastic reset structure composed of a frame-shaped protective head and an elastic element is set at the top end of the settlement rod. When the top barrier is impacted by external forces such as being run over by vehicles or bumped by pedestrians, the sliding bottom plate slides downward along the limiting groove to compress the elastic element. The elastic body undergoes compression and reset movement relative to the rigid rod, completely isolating the external force from the rigid rod. After the external force is eliminated, the elastic element drives the top barrier to automatically rise back to the initial position, realizing effective buffering and automatic reset of external force impact, ensuring that the elevation benchmark of the settlement rod is always undisturbed, ensuring the continuity and accuracy of long-term settlement monitoring data, and reducing the risk of data interruption due to damage to the monitoring device.
Owner:QINGDAO PUZE CONSTRUCTION ENGINEERING CO LTD

Lung protection equipment for thoracic surgery department

PendingCN121891166ANon-surgical orthopedic devicesNeck collarLung protection
The invention discloses chest surgery lung protection equipment which comprises a neck sleeve, two connecting ropes are connected to the outer side of the neck sleeve, a hard rod is installed at one end of each connecting rope, a protection plate is slidably installed on the outer sides of the two connecting ropes, two grooves are formed in one side of the protection plate, and pressing assemblies used for pressing the connecting ropes are arranged in inner cavities of the grooves. Elastic blocks are installed on the two sides of the protection plate, an attaching belt is connected between the two elastic blocks, a plurality of connecting strips are connected to the middle of one side of the attaching belt, a pull rope is connected to one ends of the connecting strips, a mounting groove is formed in the middle of the protection plate, and an adjusting assembly used for driving the pull rope to move is arranged in an inner cavity of the mounting groove. The binding belt can be detached by detaching the threaded assembly, so that the number of the protective plates on the outer side of the connecting rope is conveniently changed, the positions of the protective plates can be conveniently changed through the pressing assembly, and the protective plates are adjusted according to the size and position of a wound of a patient.
Owner:WEIFANG MEDICAL UNIV

Photovoltaic module installation robot

The invention discloses a photovoltaic module mounting robot, and belongs to the field of photovoltaic technologies. The photovoltaic module installation robot comprises at least one walking mechanism used for walking in the first direction, the walking mechanism comprises a plurality of walking wheels spaced in the second direction, the walking wheels form matching grooves, and the walking wheels are suitable for walking along corresponding module cables or rigid rods through the respective matching grooves; the bearing mechanism is used for bearing a photovoltaic module to be installed; and the mounting mechanism is used for operating the assembly connecting piece so as to mount the photovoltaic assembly to be mounted on the photovoltaic bracket. According to the photovoltaic module installation robot, through cooperative operation of the walking mechanism, the bearing mechanism and the installation mechanism, automatic grabbing, accurate alignment and rapid installation of the photovoltaic module can be achieved, the high-altitude installation efficiency and quality consistency of the photovoltaic module can be improved, dependence on large-scale hoisting equipment and high-risk manual operation is reduced, and the photovoltaic module installation robot is suitable for large-scale hoisting equipment and high-risk manual operation. The overall construction cost is effectively reduced, and the construction safety and efficiency are improved.
Owner:ENERTRACK TECH CO LTD

A portable five-axis parallel robot

This utility model discloses a portable five-axis parallel robot, relating to the field of machining robot technology. The utility model includes a moving platform constraint truss, a fixed platform support frame, a parallel drive guide chain assembly, and a moving platform. The fixed platform support frame consists of symmetrical side support frames, a bottom connecting frame, and diagonal support reinforcing beams, forming a high-rigidity support frame. The moving platform constraint truss forms a closed spatial structure through rigid rods and multi-directional connection nodes, with connecting plates enhancing its overall integrity. The parallel drive guide chain assembly contains five sets of drive guide chains, with guide sleeves guiding the chain transmission rods for precise movement, and multiple sets collaboratively driving the moving platform. This utility model achieves smooth five-degree-of-freedom motion of the moving platform and end effector by optimizing the rigidity of the support structure, enhancing the stability of the constraint truss, and implementing multi-chain collaborative drive, balancing portability and high precision.
Owner:QING ZHUO ZHI NENG KE JI (ZHE JIANG) YOU XIAN GONG SI

Tunnel puncture outfit and medical instrument for subcutaneous puncture

ActiveCN224023648USurgical needlesInternal electrodesSurgeryTissue protection
The utility model discloses a tunnel puncture outfit and a medical instrument used for subcutaneous puncture, the tunnel puncture outfit is the medical instrument suitable for subcutaneous puncture, the tunnel puncture outfit comprises a handle used for being held by hand; the puncture head is used for penetrating into the subcutaneous part and penetrating out of the subcutaneous part; one end of the tunnel rod is connected with the handle, the other end of the tunnel rod is connected with the puncture head, the tunnel rod comprises a plurality of sections of connecting rods, and the wall thickness of at least one section of connecting rod is different from that of other connecting rods, so that the rigidity of the tunnel rod is different in the length direction. According to the tunnel puncture outfit and the medical instrument for subcutaneous puncture, gradient distribution of rigidity of the tunnel puncture outfit can be achieved, puncture strength and tissue protection are both considered, and the problem that a traditional single rigid rod is too rigid or too soft is solved.
Owner:SCENERAY

Improved multi-purpose machine for body building

Multi-purpose machine (200) for body-building, installed in correspondence of a wall (218), said machine (200) comprising: - a rigid supporting structure, consisting of two pairs of vertical bars (219,220) that rest on the ground on their respective feet (206, 207), and a pair of horizontal bars (212, 213) attached laterally Io the same vertical bars (219, 220) respectively in their upper part and in their lower part; a series of supports are hooked to the rear part of the above said vertical bars (219, 220), and are slably fixed Io the wall (218) using wall plugs; - a pair of movable arms (201, 202), each of them interposed in correspondence with one of the respective pairs of vertical bars (219, 220), fixed and hinged at the top with respective pivots (214, 215), with respect to which the same movable bars (201, 202) are free to rotate in a clockwise or anti-clockwise direction with respect to a horizontal axis passing through the pivots (214, 215) and parallel to the wall (218), said machine (200) being characterized in that further comprising: - at least two pairs of perforated half-rings (203a, 203b) and (203c, 203d), each of which is incorporated into the respective right and left lateral profile of each of the above said vertical elements (219, 220); said half-rings being placed in the upper part immediately forward and under the respective pivots (214, 215); inside the holes of said perforated half-rings (203a, 203b) and (203c, 203d) are installed transversely and stably some respective end-of-run brackets (217a, 217c) and some additional optional safety brackets, all the brackets being represented by respective horizontal rigid bars, in such a way that, the above said end-of-run brackets (217a, 217c) define a rigid support which keeps the above said movable arms (201, 202) having their free end at a fixed and predetermined height from the ground; or in such a way that the above said end-of-run brackets (217a, 217c) define a limit angle with respect to which the above said movable arms (201, 202) can rotate, until they reach with their free end a fixed and predefined maximum height or a fixed and predefined minimum height from the ground.
Owner:MANCINI NADIA +1

Pressing member, in particular for sintering presses

A pressing member, in particular for a pressing assembly of a sintering press for performing sintering of electronic components on a substrate, comprises a rigid stem (10) and an end foot (12; 112) coupled to the rigid stem by means of a ball joint (16) which allows an oscillation of the end foot with respect to the rigid stem. The ball joint consists of a ball (18) housed in a ball seat (20; 120) jointly formed by an end stem surface (22; 122) and by an apical foot surface (24; 124) facing said end stem surface.
Owner:AMX AUTOMATRIX SRL

Unmanned aerial vehicle launching device

The utility model discloses an unmanned aerial vehicle launching device, and relates to the technical field of unmanned aerial vehicles. The device comprises a lower launcher, the lower launcher comprises a front supporting column and a rear supporting seat, the upper end of the front supporting column is fixedly connected with a front cross beam, the rear supporting seat is provided with a rear cross beam in a hinged mode, and the front cross beam and the rear cross beam are fixedly connected through a rigid rod; the lower launching rack is detachably connected with an upper launching rack, the upper launching rack comprises a bearing frame, and an upper sliding rail and a lower sliding rail are arranged in the bearing frame; the upper sliding block is used for sliding on the upper sliding rail, the lower sliding block is used for sliding on the lower sliding rail, the lower surface of the upper sliding block is matched with the upper surface of the unmanned aerial vehicle, the upper surface of the lower sliding block is matched with the lower surface of the unmanned aerial vehicle, and a check block is further arranged on the upper surface of the rear end of the lower sliding rail. The problems that in the prior art, a surface coating of the unmanned aerial vehicle is prone to being damaged, and the launching attitude of the unmanned aerial vehicle cannot be well stabilized during launching are solved, the surface coating of the unmanned aerial vehicle can be protected, and the launching attitude of the unmanned aerial vehicle during launching can be stabilized.
Owner:SHAANXI DEXIN INTELLIGENT TECH CO LTD

Freezing method construction three-dimensional stress strain-temperature integrated sensor and measuring method

The invention discloses a freezing method construction three-dimensional stress strain-temperature integrated sensor and a measuring method. The sensor comprises a regular tetrahedron framework formed by six rigid rods, and a temperature measuring unit and a strain measuring unit which are respectively arranged in a rod piece, the periphery of the fiber bragg grating area of the strain measurement unit is coated with a heat insulation material, the periphery of the fiber bragg grating area of the temperature measurement unit is coated with a heat conduction material, and temperature and strain are detected in a distinguished mode by measuring Bragg wavelength changes. The measuring method comprises the steps of sensor arrangement, wavelength signal collection and parameter calculation, and three-dimensional stress, strain and temperature data of the soil body in the freezing construction process can be synchronously obtained with high precision. The problems that a traditional discrete sensor is low in integration level, asynchronous in data, poor in environmental adaptability and the like are solved, the device has the advantages of being compact in structure, rapid in response, high in anti-interference performance and the like, and the safety monitoring efficiency and reliability of freezing method construction are remarkably improved.
Owner:THE FOURTH ENG CO LTD OF CTCE GRP +4

Steering column switch for a motor vehicle, motor vehicle, and method for selecting a function by means of a steering column switch

A steering column switch for a motor vehicle, such as an electric motor vehicle, facilitates function selection. The switch includes a rigid lever and a lever cap that at least partially surrounds the lever. The lever cap is mounted on the lever to tilt about at least two tilt axes, which are arranged orthogonally or substantially orthogonal to each other. At least one sensor is provided to detect the tilting of the lever cap and select a corresponding function. The present disclosure enables intuitive and adaptable function selection in motor vehicle steering systems.
Owner:VOLKSWAGEN AG

A preferred method, system and apparatus for floating lengths

The present application belongs to the field of drilling, and particularly relates to a floating length optimization method, system and device, aiming at solving the problem of poor precision of the selected floating length and the problem of difficulty in lowering the air section in the prior art. The method comprises: obtaining well site data from the start of the well to the process of lowering the drill to the bottom and performing screening, calculating the optimized solution of the drill bit position and the hook load after the screening, and taking the calculated data as input data; based on the input data, the well running friction coefficient is obtained through a pre-constructed rigid rod model; the well running pipe internal friction coefficient and the well running pipe external friction coefficient are added with a safety value respectively, and then the casing internal friction coefficient and the casing external friction coefficient are obtained; the best floating length is obtained through a pre-constructed floating length optimization equation in combination with the casing internal friction coefficient and the casing external friction coefficient. The present application improves the precision of the selected floating length and solves the problem of difficulty in lowering the air section.
Owner:CNPC BOHAI DRILLING ENG +1