22 results about "Longitudinal plane" patented technology

A wing fuselage joint for an aircraft having joining members which include a first configuration and a second configuration. The joining members of the first configuration include a platform and bracket configured to pivot in a lateral plane and translate in a longitudinal direction. The joining members of the second configuration include a platform and bracket configured to pivot in a longitudinal plane and translate in a lateral direction. The joining members of either configuration join the fuselage structure and the spar of an aircraft together.

A fastening clip for mounting a component part, such as an airbag or a luggage ring, to a support structure. The fastening clip includes a body portion which extends between an upper end region and a lower end region along a longitudinal axis. The body portion includes at least one elastically deflectable retaining member. The at least one elastically deflectable retaining member projects laterally from the lower end region of the body portion, so as to fixingly engage when inserted into an orifice of the support structure. Each elastically deflectable retaining member includes a U-shaped limb. Each U-shaped limb includes a first portion extending in a generally longitudinal plane relative to the longitudinal axis, a second portion spaced apart from the first portion and extending in a generally longitudinal plane relative to the longitudinal axis and a third portion extending from at least one of the first portion and the second portion in a transverse plane relative to the longitudinal axis.

Title: Utility vehicle fitting comprising a liftgate equipped with a means of attachment for lifting a container.The invention relates to an arrangement (2) for a vehicle (1) comprising a liftgate (10), particularly arranged at the rear of such a vehicle (1), the liftgate (10) comprising a platform (20) capable of moving upwards and downwards in the vertical direction, the platform (20) being able to pivot from a vertical position (PV) in which the platform (20) extends substantially vertically to a horizontal position in which the platform (20) extends substantially in a transverse and longitudinal plane, and vice versa, the platform (20) comprising a loading face (21) capable of supporting a load when the platform (20) is in the horizontal position, the platform (20) comprising at least one attachment means (30) intended to cooperate with a container so as to allow raising and / or lowering such a container when the platform (20) is in the vertical position (PV). Figure for the abstract: Fig. 1.

The invention discloses a spherical lens precise edge grinding machine with a self-adaptive floating centering mechanism, and relates to the technical field of intelligent machining equipment.The spherical lens precise edge grinding machine comprises an equipment body, a clamping mechanism and a grinding mechanism, the equipment body comprises an operation table, a rack is fixedly arranged on the upper surface of the operation table, and a fixing shell is fixed to the top of the rack; the front surface of the fixed shell is fixedly connected with a mounting plate; and the grinding mechanism comprises two limiting seats on the surface of the mounting plate. A laser sensor transmitting end and a laser sensor receiving end are arranged, the laser sensor transmitting end and the laser sensor receiving end and the grinding head are located on the same longitudinal plane, the center position of a spherical lens can be accurately detected, accurate centering and clamping of the lens are achieved in cooperation with a pneumatic chuck and a three-clamping-jaw clamping mechanism, the deviation problem in the edge grinding process is effectively avoided, and the production efficiency is improved. The edge grinding precision and consistency of the spherical lens are improved; meanwhile, the three clamping jaws of the pneumatic chuck are provided with the rubber blocks with the arc-shaped clamping grooves, the rubber blocks are attached to the shape of the spherical lens, clamping is more stable, and the surface of the lens is not prone to being scratched.

The invention discloses a high-ground-clearance chassis and bundling equipment. The diameter of a front wheel is smaller than that of a rear wheel. The rear wheels are driving wheels, and the two rear wheels are rigidly connected with the frame through the rear axle; the front wheels are non-driving wheels, and trundle rotating shafts of the two front wheels are connected with the frame through oblique arm type independent suspensions respectively; the frame inclines upwards from the center of the rear wheel to the front plane, and the height from the forefront of the frame to the ground is larger than the set height; the oblique arm type independent suspension comprises a damping element, a first connecting rod almost perpendicular to the transverse plane and a second connecting rod almost perpendicular to the longitudinal plane. The first end of the damping element is connected with the frame, and the second end of the damping element is connected with a trundle rotating shaft of the front wheel. The first connecting rod and the second connecting rod are hinged to trundle rotating shafts of the front wheels, the second connecting rod and the frame are hinged to a first oblique arm hinge point, the first connecting rod and the frame are hinged to a second oblique arm hinge point, the first oblique arm hinge point is higher than the second oblique arm hinge point, and the side inclination center of the oblique arm type independent suspension is higher than the gravity center of the whole machine.

The utility model discloses a universal rotation cantilever support, including fixed clamp and connecting swing piece B, the top one side of fixed clamp is provided with connecting swing piece A, and the top of connecting swing piece A is provided with support pipe A, and support pipe A carries out left and right rotation through connecting swing piece A, the utility model discloses the double -fold adjusting structure of connecting swing piece A and connecting swing piece B has realized multidimensional, the angle adjustment of wide range, and connecting swing piece A takes bolt C as the rotation axle, can drive support pipe A to complete 0 180 degree left and right rotation, satisfies the adjusting demand of equipment horizontal position, and the adjustment based on semicircular connecting sheet A can rotate around bolt A axle center, realizes the angle adjustment of equipment in longitudinal plane, and the adjustment based on semicircular connecting sheet B can rotate around bolt B as the axle, and completes the angle change of another dimension, through the simple process operation of loosening knob, adjusting angle, locking knob, the whole process is short in time, and is easy to start.

A sealed panel mount electrical connector and a seal for use in an electrical connector. The seal includes a base member and projections. The projections extend from the base member. Each of the axes of the projections extending at an angle of greater than 0 degrees and less than 90 degrees relative to a longitudinal plane of the base member.

A housing for a wind turbine gearbox, including at least two bolt eyes for receiving a respective bolt for fixing a housing in a nacelle-fixing means. In each case two bolt eyes are mirror-symmetrical to each other with respect to a first longitudinal plane. The bolt eyes are arranged entirely on a same side of a second longitudinal plane which runs orthogonally to the first longitudinal plane.

The invention relates to a wheel trim for attachment to a wheel, having a radially inward facing surface, referred to as the "facing surface," extending substantially axially, comprising a body including a mounting portion arranged axially aligned with said facing surface of the wheel (20) and radially inward from said surface; and a retention wire (22) carried by said mounting portion, said retention wire (22) having a projection extending radially outward. When the projection is cut, leaving two ends oriented radially inward toward the wheel (20) in a plane parallel to the longitudinal plane and maintained at a predetermined distance, when the distance falls below the predetermined distance, the retention wire (22) releases the mounting portion connected to the wheel (20) and the wheel trim (21) detaches from the wheel (20). Figure for the abstract: Fig. 3

Crash box for a motor vehicle's bumper system with an upper wall (1), a bottom wall (2) and two side walls (9, 10) and a bumper crossmember (18) arranged on the crash box wherein the crashbox is divided in its longitudinal extent into a first longitudinal section (3) and a subsequent second longitudinal section (4), wherein in the first longitudinal section (3) a longitudinal plane (5) of the upper wall (1) intersects a central longitudinal plane (20) of the crashbox at an angle Δ1 and a longitudinal plane (6) of the lower wall (2) intersects the central longitudinal plane (20) of the crashbox at an angle Δ2, where: -5° ≤ Δ1 ≤ 5° and -5° ≤ Δ2 ≤ 5° and wherein in the second longitudinal section (4) a longitudinal plane (7) of the upper wall (1) intersects a longitudinal plane (8) of the lower wall (2) at an angle α, characterized by the fact that the upper wall (1) and / or the lower wall (2) and / or at least one of the side walls (9, 10) is provided with at least one predetermined deformation point in the form of a transverse rib (12).

This invention provides a rapid trajectory planning and guidance method for rocket landing phase based on flight airspace grid partitioning. It mainly includes establishing a rocket landing column coordinate system, flight airspace grid partitioning, a sequential convex optimization model for solving the absolute optimal trajectory, online interpolation to restore the absolute optimal trajectory, online sequential convex optimization trajectory optimization, and polynomial guidance. This invention aims to solve the problem of high-precision fixed-point landing of reusable launch vehicles' powered landing phase. By utilizing the landing column coordinate system, the three-dimensional motion of the rocket landing process is decomposed into two-dimensional motion in the longitudinal plane and tangential motion, reducing the complexity of the optimization model. An interpolation table is established using the flight airspace grid partitioning method, enabling rapid online acquisition of the absolute optimal trajectory. This transforms the global optimization problem into a local optimization problem, reducing the solution scale of the optimization model and improving the real-time performance of online optimization while satisfying various constraints and fuel optimization.

This application belongs to the technical field of massage equipment, and particularly relates to a neck massage device with a bisecting longitudinal plane. The neck massage device includes: a support structure symmetrically arranged with respect to the bisecting longitudinal plane; a massage component installed on the support structure for massaging the user's neck; and a support airbag disposed on the top side of the support structure facing the user's head, the support airbag supporting the user's head. When inflated, the support airbag has a first support surface, a second support surface, and a third support surface arranged sequentially. The first, second, and third support surfaces are all inclined from the outer edge to the inner edge. The first and third support surfaces are symmetrically arranged with respect to the bisecting longitudinal plane, and the second support surface is concave relative to the first and third support surfaces. This technical solution aims to solve the problem that the support airbags in existing neck massage devices cannot comfortably support the user's head.

A milling tool (1) for chamfering the clearance edges of teeth on a cylindrical toothed workpiece comprises a tool body (2) with a rear part (6) configured for attachment to a machine and a cutting part (10). A cutting insert (20) is mounted in the cutting part and has first and second cutting edges (21, 22) extending in a common extension plane parallel to a longitudinal plane containing the rotation axis (3) of the tool body. The cutting edges (21, 22) are arranged opposite each other on opposite sides of a radial plane containing the rotation axis (3) and perpendicular to the longitudinal plane, and the cutting edges (21, 22) are inclined relative to this radial plane. The cutting insert has a rake face (25) facing radially outward from the rotation axis (3).

"Portable and mobile construction crane under load" Portable and mobile construction crane under load (1), referred to as crane (1), comprising a chassis (2, 3) on which are mounted four wheels (230, 240, 330, 340), of which at least two are swiveling, a mast (4) the base of which is mounted swiveling on said chassis, said mast being swiveling, in a median longitudinal plane of the crane, around a transverse axis, a jib (6) fixed on the head of said mast, said jib being swiveling, relative to said head of said mast, around a transverse axis, and sliding, on the head of said mast, along a sliding axis, included in the median longitudinal plane of the crane, adjustable by swiveling said jib. The boom is suitable for receiving a gripping means (7) for a load to be moved (16), or one or more force transmission means (8) intended to support, at least in part, a load to be moved and / or a lifting means (9) for said load to be moved.The crane includes a jack (10), arranged to pivot said mast so as to carry a distal end of said boom cantilevered from said chassis, the base of which is mounted pivotally about a transverse axis distinct from the transverse axis about which the mast pivots, on the chassis; a head is mounted pivotally about a transverse axis on an upper quarter of the mast located on the side of said head of said mast, said jack being pivotable, relative to the mast and the chassis, in the median longitudinal plane of the crane. Figure for the abbreviation: Figure 1.

The invention relates to a magnetic-inductive flow meter (1), comprising: a measuring tube (2) for a conducting medium, the measuring tube (2) being divided into a first side and a second side by a longitudinal plane (LE) and having an outer side surface; -a magnetic field generating device (3), the magnetic field generating device (3) comprising: at least one saddle coil (4) arranged on the outer side surface, the coil wires of the saddle coil (4) defining a saddle coil interior (5), and a saddle coil core assembly (6) having at least one saddle coil core (7), the saddle coil core assembly (6) being arranged in the saddle coil interior (5), a minimum circular sector in which the saddle-shaped coil core assembly (6) is arranged is spanned through a central angle in a cross-section of the magnetic inductive flowmeter (1), the following being adapted for the central angle; and-at least four measuring electrodes (11, 12, 13, 14), at least two measuring electrodes (11, 13) of the at least four measuring electrodes (11, 12, 13, 14) being arranged on a first side and likewise at least two measuring electrodes (12, 14) of the at least four measuring electrodes (11, 12, 13, 14) being arranged on a second side, the central angle spans the smallest circular sector in the cross-section of the at least two measuring electrodes (12, 14) in which the first side is arranged, wherein the following are adapted for the central angle.

The invention provides a transmission shaft equivalent included angle parameterization checking method and device and a server, and relates to the technical field of mechanical design and computer-aided engineering.The method comprises the steps that a parameterization transmission shaft three-dimensional model is updated based on design parameters and hard point sizes; respectively generating geometric motion trails of the flange tooth surface center of the axle and the transmission shaft cross shaft center in the transmission shaft three-dimensional model based on the hard point size, and determining the position of the transmission shaft cross shaft center according to the geometric motion trails; generating a projection of a transmission shaft tube axis by using the central position of a transmission shaft cross shaft, and determining a longitudinal plane included angle and a transmission shaft vertical plane included angle at two ends of the transmission shaft; and performing space geometric synthesis processing on the longitudinal plane included angle and the vertical plane included angle to obtain an actual space included angle of the universal joints at the two ends of the transmission shaft, determining a transmission shaft equivalent included angle according to the actual space included angle, and performing checking processing on the transmission shaft equivalent included angle to obtain a target checking result. According to the invention, the checking efficiency and the checking accuracy can be obviously improved.

A system for one or more of avoiding and preventing bedridden people from falling. The system includes a bed and a fall-prevention functional limitation device adapted to be wrapped around the bedridden patient. The fall-prevention functional limitation device includes a long smock provided with a cape and two pairs of side bands, an upper pair placed at the lateral ends of the cape and a lower pair placed in the lower part of the smock, respectively. Both pairs of side bands include the respective bands in mirroring position with respect to the longitudinal plane of symmetry of the fall-prevention functional limitation device itself, which is also provided with a hole for the passage of the patient's head.

The application provides a kind of drive shaft equivalent angle parameterization checking method, device and server, it is related to the technical field of mechanical design and computer aided engineering, comprising: based on design parameters and hard point size, update parameterized drive shaft three-dimensional model;Based on the geometric motion trajectory of the hard point size in the drive shaft three-dimensional model respectively generates the flange tooth surface center of axle and the center of drive shaft cross shaft, according to the geometric motion trajectory determines the drive shaft cross shaft center position;Drive shaft cross shaft center position is used to generate the projection of drive shaft tube axis, determines the longitudinal plane angle of drive shaft both ends and the vertical plane angle of drive shaft;The longitudinal plane angle and vertical plane angle are carried out space geometry synthesis processing, obtain the actual space angle of drive shaft both ends universal joint, according to the actual space angle determines the equivalent angle of drive shaft, carries out checking processing to the equivalent angle of drive shaft, obtains target checking result.The application can significantly improve the checking efficiency and checking accuracy.

The application discloses a line design parameter automatic checking method and system for linear rectification calculation, parameter configuration is carried out on railway line design specifications, and a specification configuration file is generated; linear fitting is carried out on a railway line according to a plane and a longitudinal plane respectively, and plane fitting parameters and longitudinal plane fitting parameters to be checked are acquired; project configuration information of the railway line is acquired, the specification configuration file is parsed according to the project configuration information, and plane design specifications and longitudinal plane design specifications of the railway line are acquired; and the plane fitting parameters and the longitudinal plane fitting parameters to be checked are automatically checked based on the plane design specifications and the longitudinal plane design specifications. The fitting parameters that do not meet the requirements of the line design specifications are dynamically identified to prompt a user to optimize and adjust, and the software is high in automatic degree and smooth in algorithm through a joint linear fitting module, so that the workload of manual adjustment is greatly reduced on the basis of ensuring the accuracy of the line fitting result.

This utility model discloses a positioning and adjusting frame for repairing wall insulation boards, relating to the field of wall repair technology. An L-shaped frame is fixedly attached to the outer wall of a fixed base plate. Several insert sleeves are fixedly installed on the longitudinal plane of the L-shaped frame. The front end face of the insert sleeves is on the same plane as the transverse plane of the L-shaped frame. Two L-shaped frames are connected to several connecting rods by fixing bolts. Several adjustable support and limiting mechanisms are respectively installed on the transverse plane of the L-shaped frame and on the connecting rods. Several insert rods are fixedly installed on the back of the insulation board, corresponding to the insert sleeves. The insulation board is inserted into the insert sleeves through the insert rods. An adhesive pad is adhered to the front end face of the adjustable support and limiting mechanism, and the adhesive pad is bonded to the back of the insulation board. This utility model enables rapid repair and installation of insulation boards, achieves rapid flatness, improves the connection stability between the positioning and adjusting frame and the insulation board, and ensures the neatness of the repaired insulation board.

The invention relates to a knife comprising a blade (1) and a handle (2) with a main gripping portion (200), wherein the main gripping portion (200) of the handle (2) has a shape that widens longitudinally in the longitudinal plane and is defined by a longitudinal widening angle α formed between a lower edge (222) and an upper edge (221), with a fixed value between 3° and 8°, and wherein the distance in the longitudinal plane between the lower edge (222) and the upper edge (221) at a given position in the longitudinal direction (L) defines a handle height (H), and the distance in the longitudinal plane between the lower edge (222) and the projection of the gripping ridge (2233) in the longitudinal plane at a given position in the longitudinal direction (L) defines a lower sagitta (Fi), the ratio between the lower sagitta (Fi) and the handle height (H) being substantially constant at any point of the main gripping portion.(200) of the handle (2) in the longitudinal direction (L) and with a value set between 13% and 20%.

A ventilation duct (100) extends from the left vent tank (10), crosses the longitudinal plane of symmetry of the aircraft, traverses the wing, passes through the center wing tank (20), and extends to the right vent tank (30), and is fluidly connected to the left vent tank (10) and the right vent tank (30) at both ends; and a ventilation branch branch branches from the ventilation duct (100) to the interior of the center wing tank (20) and is fluidly connected to the interior of the center wing tank (20) through an end opening, wherein the cross-sectional area of ​​the ventilation duct (100) is larger than the cross-sectional area of ​​the ventilation branch branch. The aircraft fuel tank venting system of the present invention has crosswind protection, which enhances the airworthiness of the aircraft.