128 results about "Radial plane" patented technology

The invention discloses a propeller hub for a helicopter, a rotor system and the helicopter, and relates to the technical field of aircrafts, the propeller hub comprises a variable pitch hinge mounting seat, an inner propeller hub center body, an elastic device and at least three force transmission devices, and the inner propeller hub center body is arranged in an inner cavity of the variable pitch hinge mounting seat; the elastic device is connected with the inner propeller hub center body and the variable pitch hinge mounting seat; each force transmission device is movably connected with the inner propeller hub center body, each force transmission device is connected with the inner side wall of the variable-pitch hinge mounting seat, and the variable-pitch hinge mounting seat can rotate relative to the force transmission devices so as to generate tilting rotation relative to the radial plane of the rotor shaft; when the rotor shaft rotates, the rotor shaft can drive the inner propeller hub center body, the force transmission devices and the pitch-variable hinge mounting base to rotate. And when the variable-pitch hinge mounting seat tilts relative to the radial plane of the rotor shaft, the elastic device can be compressed or stretched, and the variable-pitch hinge mounting seat can be reset under the action of restoring force of the elastic device. Flight flexibility and stability can be ensured, and the flight quality of the helicopter is effectively improved.

The invention provides a floating mechanism for blind plugging connection and a liquid cooling blind plugging connection system. The floating mechanism comprises a mounting fixing seat fixedly connected with a case; the joint mounting seat is used for mounting a blind-plug joint; the floating connecting assembly is connected between the mounting fixing seat and the joint mounting seat and is configured to allow the joint mounting seat to float in a radial plane relative to the mounting fixing seat; the independent guide mechanism is arranged between the mounting fixing seat and the joint mounting seat and is separated from the floating connecting assembly in space; the independent guide mechanism is configured to restrain axial deflection of the connector mounting base when the connector mounting base floats in the radial direction. The blind plug connector is used for solving the problem that an existing blind plug connector cannot meet the dual requirements of compensating macroscopic assembly tolerance and restraining microcosmic angle deflection at the same time in a limited space due to mutual restriction of the floating amount and the deflection control capacity, and consequently plug-in failure is caused.

A ring seal includes an annular body defining an axial hole therethrough for fluid passage in an axial direction and having a radial plane that is perpendicular to the axial direction. An axial side of the ring seal includes deformable annular protrusions extending from the annular body in an axial direction to first and second apexes, which are configured to deform upon engagement with a first planar sealing surface and define a trough therebetween to engage a first annular rounded sealing protrusion or ring. So configured, the ring seal can seal two different types of flow components.

The application relates to a main shaft fault identification method for a wind driven generator under a variable load operation state, and the method comprises the following steps: acquiring and storing at least two equal-angle interval sampling vibration signals in orthogonal directions in the radial plane of the front and rear rolling bearings of the main shaft and corresponding rotating speed signals; judging whether the storage amount of the equal-angle interval sampling vibration signals reaches a preset storage amount, if the judgment is yes, performing order spectrum calculation on the equal-angle interval sampling vibration signals, and extracting a fault feature vector; judging whether to trigger main shaft fault diagnosis according to a real-time vibration effective value, if the judgment is yes, inputting the fault feature vector into a pre-constructed confidence rule base model, obtaining the confidence degree distribution of each fault state through confidence reasoning, and identifying the unbalance and misalignment faults of the main shaft of the wind driven generator according to the confidence degree distribution. Compared with the prior art, the application can accurately extract non-stationary fault features under the variable load operation state of the wind driven generator, and improves the accuracy and reliability of fault diagnosis.

Circuit breaker and pressurized fluid handling system comprising such a circuit breaker. In the coupled configuration of the male (100) and female (200) elements of the circuit breaker (10), the first and second radial passages (126, 226) are in fluidic communication, and proximal (132) and distal (134) seals are arranged on either side of the radial passages. A first valve (110) comprises a distal stem (110C) sliding within a male body (102). In an intermediate coupling position, the proximal and distal seals are arranged on either side of the radial passages. The proximal and distal seals are received respectively in a proximal external peripheral groove (136) and in a distal external peripheral groove (138) of the male body (102).A first longitudinal distance (d138), measured between the distal external peripheral groove and a median radial plane (P126) of the first radial passage, is strictly greater than a second longitudinal distance (d136), measured between the proximal external peripheral groove and the median radial plane. Figure for the abstract: 1.

The present invention provides a fuel atomizing nozzle (1) for handling at least two fuels and an atomizing fluid, the fuel atomizing nozzle (1) comprising a solid body (10) having a mainly cylindrical shape around a longitudinal axis (X) defining a first end (11), a second end (12) and a contour surface (16) extending there between connecting the two ends (11, 12), wherein the first end (11) comprises at least one outlet (17), wherein the fuel atomizing nozzle (1) further comprises a fluid compartment (14) being arranged centrally around the longitudinal axis (X) in the solid body (10), at least a first and a second fuel compartment (15a, 15b) being arranged in a radial plane between the fluid compartment (14) and the contour surface (16), the fuel compartments (15a, 15b) having an annular shape, the at least first and second fuel compartments (15a, 15b) being connected to a pre-filling chamber (35) by at least a first and a second fuel channel (25a, 25b), respectively, at least one mixing chamber (40) being arranged between the fluid compartment (14) and the at least one outlet (17), and a fluid channel (24) connecting the at least one mixing chamber (40) and the fluid compartment (14), wherein the pre-filling chamber (35) has an annular shape, and the pre-filling chamber (35) is connected via a pre-filling channel (45) to the at least one mixing chamber (40).

Screw drive device for use with an impact wrench, comprising a drive shaft (12, 12a) having a drive end (14) that can be coupled to and driven by the impact wrench, and an insert end (44, 44a) with an annular wall (64, 64a), wherein the annular wall (64, 64a) forms a receiving recess (66, 66a) for receiving a screwdriver head (22, 22a) and the annular wall (64, 64a) has several radial holes (46) and each of the radial holes (46, 48) receives a coupling bearing (50, 50a, 50b) that can clamp the screwdriver head (22, 22a) in a drive position and release the screwdriver head (22, 22a) in a coupling position; a hollow coupling sleeve (16, 16a) having an upper end, a lower end and a central cavity (40) that receives the drive shaft (12, 12a), wherein the central cavity (40) has an upper end with a size defined for the passage of the drive end (14) of the drive shaft (12, 12a) and prevents the insert end (44, 44a) of the drive shaft (12, 12a) from passing through it, wherein the hollow coupling sleeve (16, 16a) has an annular groove (72, 72a, 72b) at the lower end of the central cavity (40), the annular groove (72, 72a, 72b) having a size defined to receive the coupling bearings (50, 50a, 50b) therein when the drive shaft (12, 12a) is in the coupling position, such that the loosen the screwdriver head (22, 22a) at the frustoconical ends (52) of the clutch bearings (50), but leave it in the corresponding radial holes (46, 48); a depth control part (18) surrounding the lower end of the hollow coupling sleeve (16, 16a), the depth control part (18) having a lower section (20) having a passage through which the screwdriver head (22, 22a) can extend; and a spring (58) that biases the drive shaft (12, 12a) in the direction of the drive position; characterized by the fact that: The coupling bearings (50, 50a, 50b) each have a cylindrical body with a frustoconical inner end (52) and a circular outer end (54) and are arranged such that they clamp the screwdriver head (22, 22a) in the drive position and the coupling bearings (50) can move from the coupling position to the drive position, wherein the cylindrical body has a total length “a”, the circular outer end (54) has a length “b” which is 1 / 4a, the cylindrical middle section (56) has a length “c” which is 1 / 2a, the frustoconical inner end (52) has a length “d” which is 1 / 4a, the cylindrical middle section (56) has a diameter of 1a, the frustoconical end forms a flat surface which has a diameter “e” which is 3 / 4a, and the circular outer end (54) has a radius “r” has a value of 1 / 2a, wherein the insertion end (44) of the drive shaft (12) has three radial holes (46),the insert end (44) is spaced apart from each other by 120 degrees on a radial plane of the insert end (44), the insert end (44a) of the drive shaft (12a) having three radial holes (46) arranged on a first radial plane of the receiving end (44a), and three radial holes (48) arranged on a second radial plane of the insert end (44a), the second radial plane being separated from the first radial plane, the hollow coupling sleeve (16a) having a first annular groove (72a) and a second annular groove (72b) for receiving the coupling bearings (50a, 50b) which are held in the radial holes (46, 48) arranged on the first and second radial planes when the screw drive device (10a) is in the coupling position, a locking projection (17) being located on one side of the drive shaft (12, 12a) above the insert end (44, 44a) is arranged to serve the screw drive device (10,10a) to fix in the drive position in the reverse direction in order to remove a tightened screw from a workpiece, wherein at least one locking notch (43) is formed at the upper end of the hollow coupling sleeve (16, 16a) and the locking projection (17) can pass through this to fix the screw drive device (10, 10a) in the drive position in the reverse direction, wherein when the locking projection (17) passes through the locking notch (43) and the hollow coupling sleeve (16, 16a) is rotated far enough, the locking projection (17) is held in the hollow coupling sleeve (16, 16a), wherein an axial slot (24) formed at the upper end of the depth control part (18) makes it possible to exchange the depth control part (18) and replace it with another depth control part of a different depth in order to change the depth of a screw driven into a workpiece,wherein the depth control part (18) has a lower section which is smaller than an upper section of the depth control part (18), and wherein each of the radial holes (46) on the first radial plane is spaced 60 degrees apart from each of the adjacent radial holes (48) on the second radial plane.

In the coupled configuration of the male and the female elements of the circuit breaker, the first and second radial passages are in fluid communication and the proximal and the distal seals are arranged on either side of the radial passages. A first valve comprises a distal rod sliding in a male body. In an intermediate coupling position, the proximal and the distal seals are arranged on either side of the radial passages. The proximal and the distal seals are respectively received in a proximal external peripheral groove and in a distal external peripheral groove of the male body. A first longitudinal distance, measured between the distal external peripheral groove and a median radial plane of the first radial passage, is strictly greater than a second longitudinal distance, measured between the proximal external peripheral groove and the median radial plane.

This invention provides a coreless stator for a high current density axial flux motor and an axial flux motor. The coreless stator of the high current density axial flux motor includes at least one stator winding layer, which includes several circumferentially spaced and independent conductive coil units. In each stator winding layer, several conductive coil units are processed on a conductive substrate using a subtractive process. Each conductive coil unit includes a planar working portion extending straight in a radial plane, an outer transition line portion connected to the outer end of the planar working portion, and an inner transition line portion connected to the inner end of the planar working portion. At least one of the outer transition line portion and the inner transition line portion is bent wholly or partially relative to the planar working portion, thereby forming a three-dimensional transition line portion. This directly releases the radial plane space occupied by the outer transition line portion and the inner transition line portion, thereby significantly increasing the radial width and total area of ​​the effective electromagnetic working area and achieving a significant improvement in torque and power density.

The utility model provides a crankshaft lightening hole machining auxiliary tool, and relates to the technical field of crankshaft lightening hole machining. A guide section, a transition section and a fixing section which are integrally formed are arranged on a body of the auxiliary tool, a plurality of wedge-shaped pieces protruding in the radial direction are arranged on the outer wall of the guide section in an annular array mode, a groove is formed between every two adjacent wedge-shaped pieces, the groove bottom of each groove extends inwards in the radial direction of the guide section to form a boss, and the groove bottom of each boss extends inwards in the radial direction of the guide section. The wedge-shaped piece extends along the outer portion of the transition section to form a wedge-shaped extending portion, and the plane where the fixing section is located in the radial direction is perpendicular to the outer wall of the wedge-shaped extending portion. According to the auxiliary tool for machining the crankshaft lightening hole, dynamic guiding of the boring rod is achieved by inserting the crankshaft lightening hole into the crankshaft pre-drilling hole, machining precision and stability are guaranteed, and efficiency is improved.

A ring seal includes an annular body defining an axial bore for fluid to pass therethrough in an axial direction and having a radial plane perpendicular to the axial direction. The axial side of the ring seal includes a deformable annular protrusion extending in an axial direction from the annular body to a first apex and a second apex, the protrusion configured to deform when engaged with the first planar sealing surface and define a groove therebetween to engage the first annular fillet sealing protrusion or ring. After such configuration, the ring seal can seal two different types of flow components.

The invention relates to an expansion anchor comprising an anchor bolt and an expansion sleeve surrounding the anchor bolt, an expansion body arranged on the anchor bolt for the expansion sleeve, the expansion body being arranged at least partially in front of the expansion sleeve, the expansion sleeve has a first annular groove on its outer face in the front region of the expansion sleeve, the first annular groove having a front side and a rear side. According to the invention, in at least one radial plane, the following conditions are adapted for the width w61: w61gt of the rear side of the first annular groove; 0.6 * d60 / tan [alpha] max, where d60 is the depth of the first annular groove in the at least one radial plane, and [alpha] max is the maximum angle of inclination of the expansion body in the at least one radial plane.

The invention relates to a method for joining at least two printed circuit boards (14, 16) intended to be electrically interconnected in an axial direction (A1) of the connection. The method comprises a step A) of joining at least one centering part (36) to at least one connection pin (26). The centering part (36) is intended to cooperate with at least one centering pin carried by the support element (78) in order to guide the printed circuit board (16) in a radial plane relative to the other printed circuit board (14).

The invention discloses an automatic centering device for combined assembly of turbochargers. The automatic centering device comprises a support frame, a centering device and a centering device, wherein the support frame is used for integrally mounting and supporting; the displacement assembly is installed on the supporting frame and can move in the horizontal direction and the vertical direction; the centering assembly is provided with a core body combined clamping jaw module used for grabbing the turbocharger core body; the floating mechanism plate is matched with the linear bearing through a steel ball roller pin, so that the clamping jaw module can flexibly float in a radial plane; the plug pin air cylinder can stretch out and lock the floating mechanism plate in the grabbing stage, and the grabbing positioning precision is guaranteed. Radial deviation is automatically eliminated in the pressing process, precise centering is achieved, damage to parts is avoided, the structure is reliable, and applicability is high.

The invention belongs to the technical field of hybrid magnetic suspension bearings, and discloses a staggered self-centering hybrid magnetic thrust bearing structure and a restoring force calculation method. According to the staggered self-centering hybrid magnetic thrust bearing structure, a radial repulsive force ring is used for generating a restoring force which counteracts the unbalanced force of an axial repulsive force ring in the radial direction and the gravity of a rotor, and the stability of two offset freedom degrees in a radial plane of the rotor is maintained; the axial repulsive force rings are used for counteracting unbalanced loads of the radial repulsive force rings in the axial direction and external axial loads and maintaining the stability of the rotor in the axial direction; the axial electromagnetic bearing is used for counteracting the overturning moment of the rotor around the radial plane and maintaining the stability of the rotor around the transverse rotation freedom degree and the vertical rotation freedom degree. The restoring force calculation method does not need to depend on finite element simulation, is suitable for occasions where calculation resources are limited and parameters in the initial stage of design need to be rapidly iterated, and has good rapidity, practicability and convenience in actual engineering application.

The invention relates to a separation supporting block and an elastic grinding piece spliced grinding wheel, and belongs to the field of grinding. Comprising two oppositely-arranged supporting faces, the two supporting faces abut against two circumferentially-adjacent elastic grinding pieces in a one-to-one correspondence mode, and boundary lines separated from the elastic grinding pieces are formed on the supporting faces. And the boundary is a broken line, a curve, a straight line forming an angle with the radial plane of the cup-shaped grinding wheel, or a straight line forming an angle with the radial plane of the peripheral grinding wheel. Stress generated on the boundary when the grinding wheel works can be dispersed, and the situation that the elastic grinding piece is broken at the boundary due to stress concentration, and consequently the grinding wheel loses efficacy is avoided.

The present invention relates to a device (10) for applying a cosmetic stick, the device comprising: - a cup-shaped portion (30) including at least one lug (32); - a guide (14) including a slot (22, 24) through which the associated lug (32) of the cup-shaped portion (30) passes, the slot (22, 24) including an upper edge (26); - a sheath (40) including internally helical grooves (42, 44) for receiving the lug (32) of the cup-shaped portion (30); - the lug (32) having an upper flat region (90a); characterized in that the upper edge (26) of the slot (22, 24) is inclined relative to a radial plane.

The invention relates to a mechanism comprising: • an electric motor rotor comprising a rotor shaft extending along a first axis, and a circular structure arranged at one end of the rotor shaft in a plane perpendicular to the first axis, the circular structure comprising at least one rotor tooth and at least one electrical wire winding arranged around the at least one tooth; and • a ring attached to the circular structure so as to surround the circular structure, characterized in that the ring comprises a set of through holes, each through hole being arranged to intersect a radial plane containing the first axis and passing through the center of the electrical wire winding arranged around the at least one tooth, thereby creating circulation of cooling fluid through the winding.

The invention provides a coreless stator of a high-current-density axial flux motor and the axial flux motor, the coreless stator of the high-current-density axial flux motor comprises at least one stator winding layer, and the stator winding layer comprises a plurality of conductive coil units which are distributed at intervals in the circumferential direction and are mutually independent; in each stator winding layer, a plurality of conductive coil units are processed on a conductive substrate through a material reduction process, and each conductive coil unit comprises a planar working part which straightly extends in a radial plane, an outer transition line part connected to the outer end of the planar working part, and an inner transition line part connected to the inner end of the planar working part; at least one of the outer transition line part and the inner transition line part is integrally or partially bent relative to the plane working part, so that a three-dimensional transition line part is formed, and the radial plane space occupied by the outer transition line part and the inner transition line part is directly released, so that the radial width and the total area of an effective electromagnetic working area are remarkably increased; and the torque and the power density are obviously improved.

The application discloses a compact ultraviolet reactor with longitudinal vortex generators. The longitudinal vortex generators comprise a bottom plate and a plurality of longitudinal vortex generating plates; the bottom plate is in a circular ring structure or a spiral structure, and the longitudinal vortex generating plates are in a pentahedron, hexahedron or polyhedral plate structure; the longitudinal vortex generating plates are uniformly arranged along the circumference of the bottom plate, and the longitudinal vortex generating plates are arranged obliquely relative to the radial plane of the bottom plate; the compact ultraviolet reactor comprises coaxially arranged ultraviolet radiation light sources, a light-transmitting quartz tube, longitudinal vortex generators and a reactor cavity; and an annular flow channel between the reactor cavity and the light-transmitting quartz tube forms a reaction zone. The longitudinal vortex generators can strengthen the mass transfer capacity of the fluid medium in the reactor, can improve the time for the fluid medium to accept ultraviolet irradiation, thereby improving the processing efficiency, and have small flow channel space occupation and small pressure difference resistance, and are suitable for various compact ultraviolet reactors.

This application provides a laser hyperthermia device and a laser hyperthermia method. The laser hyperthermia device includes an ablation component and a laser probe. The ablation component emits laser light to ablate target tissue. The proximal end of the laser probe is connected to the optical path of the ablation component to conduct the laser light to the target tissue area. The laser probe includes a stator assembly and a rotor assembly arranged axially toward the distal end. The stator assembly is used to adjust at least one of the laser beam diameter, beam focal length, and light intensity. The rotor assembly is configured to rotate in a radial plane with the axial direction as the central axis to adjust the laser emission direction. The embodiments of this application enable more concentrated laser energy, thereby improving the accuracy of laser ablation, reducing energy requirements, and thus reducing ablation costs. During the rotation of the rotor assembly, the laser light is emitted toward the area of ​​the target tissue that needs ablation. Multiple ablations of the same target tissue can reduce the risk of infection of the ablation site and improve ablation efficiency.

A device including a support (4) comprising a support base defining a spherical base contact surface, extending along a virtual sphere (S) and a circular rim extending in a rim plane; a first and a second needle mobile on the support between extracted and inserted positions in which the first and second needles are outside and maximally inserted in said virtual sphere, respectively, via first and second intermediate piercing positions in which, respectively, the first and second needles extend along first and second insertion axis and their tips are located on first and second insertion points belonging respectively to first and second hemispheres of the virtual sphere separated by a “median radial plane of the rim”, an angle (θ) between the median radial plane and any insertion axis being between 70° and 110°.

The utility model belongs to the technical field of sintering in the ferrous metallurgy industry, and particularly relates to a material cleaning device of a sintering mixer. Comprising a stainless steel lining and a vibration device. The stainless steel lining is arranged on the inner side of a blanking section of the mixing machine and in a mixing barrel of the mixing machine, and is connected with the inner wall of the mixing barrel through the short spring and the long spring. The vibrating device comprises a vibrator and a hammer head, the vibrator is mounted above the blanking section of the mixing barrel through a cross beam, and the hammer head is connected with the vibrator. At least five holes are evenly distributed in the outer wall of the mixing barrel in the circumferential direction, the centers of the holes are located on the same radial plane, and when the vibrator acts, the hammer heads penetrate through the corresponding holes to make contact with the stainless steel lining. The discharging end of the feeding belt extends into the stainless steel lining, so that materials directly fall onto the surface of the stainless steel lining. The vibrating device is additionally arranged, so that the problem that sticky materials are adhered during cleaning of the mixing machine is solved, and the production efficiency of the mixing machine is improved.

A fan having a rotor for generating a fluid flow includes a stator and a rotor, which form an electromagnetic rotary drive for rotating the rotor about an axial direction. The rotary drive is an external rotor, and the rotor includes a magnetically effective core configured in an annular manner. The impeller includes a hub on which a plurality of blades configured to generate the fluid flow is arranged, and the stator is a bearing and drive stator configured to magnetically drive the rotor without contact and magnetically levitate the rotor without contact with respect to the stator. The rotor is capable of being actively magnetically levitated in a radial plane perpendicular to the axial direction, the hub of the impeller completely enclosing the magnetically effective core of the rotor, and the stator is encapsulated in a stator housing and formed of a low-permeable material.

The invention discloses an axial non-contact escapement buffer mechanism, which relates to the technical field of precision machinery and comprises a driving end assembly, an escapement turntable and a fixed disc, the driving end assembly comprises a driving end rotating disc, a driving end spring damping device, a driving end displacement generating device and a driving end fixing frame. The driving end rotary table and the escapement rotary table are coaxially arranged in the axial direction, key energy transfer and buffering functions are integrated in the axial dimension, the size of the mechanism on the radial plane is greatly reduced, and the problem that a traditional radial layout mechanism is large in occupied space is solved; rotation is driven by magnetic repulsive force between the first magnetic pole array and the second magnetic pole array, in the whole escapement buffering cycle, key transmission and acting areas are free of mechanical contact and collision, the service life problem caused by contact abrasion is fundamentally solved, working noise is remarkably reduced, and the long-term operation reliability of the mechanism is improved.

The application relates to the field of crucibles for crystal growth, in particular to a graphite crucible structure. The graphite crucible structure comprises a base, an adjusting ring, a porous homogeneous plate, a seed crystal holder and a top cover; the base, the adjusting ring and the porous homogeneous plate are sequentially connected from bottom to top, the seed crystal holder is arranged at the bottom of the top cover, the porous homogeneous plate is provided with homogeneous holes, the porous homogeneous plate is horizontally arranged on the adjusting ring, a raw material sublimation zone is arranged below the porous homogeneous plate, a crystal growth zone is arranged between the porous homogeneous plate and the seed crystal holder, gaseous substances generated by raw material sublimation are reformed through the porous homogeneous plate, and laminar flow with uniform flow velocity and concentration distribution in a radial plane is formed in the crystal growth zone. The turbulent airflow is converted into uniform and parallel laminar flow through the porous homogeneous plate, the whole seed crystal growth surface is uniformly supplied, the crystal is effectively promoted to grow in a stable and equal-diameter mode, the defect density of dislocations, microtubules and the like in the crystal is greatly reduced, the radial uniformity and overall yield of the wafer are improved, and high-quality crystals with uniform radial properties are obtained.

The invention discloses an axial reconfigurable non-contact flow field measurement method suitable for a high-speed motor, and particularly relates to the field of fluid mechanics measurement. A measuring device is adopted and comprises a laser and an imaging mechanism, the laser is arranged on the outer side of a stator of a motor through a moving mechanism and can move in the axial direction of the stator of the motor, and the imaging mechanism is used for collecting images of a plane illuminated by the laser; the method comprises the following steps: injecting tracer particles into an air gap area between a stator and a rotor of the motor; axially moving the laser through a moving mechanism, sequentially obtaining particle images of a plurality of radial planes of the air gap region, and obtaining a velocity vector of the corresponding radial plane according to each particle image; converting the velocity vector of each plane from a Cartesian coordinate system to a polar coordinate system; and splicing the converted velocity vectors of all the planes along the axial direction to obtain an average circumferential velocity field of the axial and radial planes. Based on the method, the flow field measurement of the high-speed motor can be realized.

The invention relates to a vehicle brake, in particular a disc brake, and includes a backplate and a friction lining arranged on the front side of the backplate, wherein the backplate has a first radial support surface lying in a first radial plane for support against a first radial counter surface on a brake carrier or brake caliper. Furthermore, the backplate has a second radial support surface lying in a second radial plane for support against a second radial counter surface on a brake carrier or brake caliper. The first radial plane and the second radial plane are arranged to run at least largely parallel to one another, wherein the backplate has two tangential support surfaces lying in a common tangential plane for support against a tangential counter surface provided on a brake carrier or brake caliper.

The invention provides cage type sliding body shaping thin-wall spiral welded pipe machining equipment, and belongs to the technical field of pipe machining, the cage type sliding body shaping rotary unit is of a cage type structure, the two ends of the cage type sliding body shaping rotary unit are provided with an inlet and an outlet respectively, and a steel belt is spirally wound; the cage type sliding body shaping rotating unit is in sliding butt joint with the outer walls of the steel belts in the direction parallel to the axial direction of the pipe body, resistance which faces the inlet direction and prevents the steel belts from moving towards the outlet direction is formed, and then welding seams between the steel belts are reduced; in the radial plane of the pipe body, the cage type sliding body shaping rotating unit is in rolling butt joint with the outer wall of the steel belt so as to provide rotating support for the steel belt; and the welding unit penetrates through the cage type sliding body shaping and rotating unit and is suitable for welding the welding seams between the wound steel strips. According to the cage type sliding body shaping thin-wall spiral welded pipe machining equipment, a welded joint can be controlled, the welding quality is improved, abrasion to a pipe body is reduced, and continuous production is achieved.