425 results about "Split ring" patented technology

A disclosed construction structure unit may include at least one split-ring resonator, which may be embedded within a material. The split ring resonator may be formed from a three-dimensional (3D) monolithic carbonaceous growth and may detect an electromagnetic ping emitted from a user device. The split ring resonator may generate an electromagnetic return signal in response to the electromagnetic ping. The electromagnetic return signal may indicate a state of the material in a position proximate to a respective split ring resonator. In some aspects, the split-ring resonator may resonate at a first frequency in response to the electromagnetic ping when the material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the material is in a second state. A resonant frequency of the 3D monolithic carbonaceous growth may be based on physical characteristics of the material.

The invention relates to the technical field of reaction kettles, and particularly discloses an anti-caking mechanism of a reaction kettle, which comprises a kettle body, and a placing assembly, a driving assembly and a feeding assembly are arranged in the kettle body; the placing assembly comprises an annular frame, a placing ring and a first elastic piece, the annular frame is of a hollow structure, an opening is formed in the position close to the upper portion of the annular frame, a plurality of through holes are formed in the annular frame, the placing ring is assembled in the annular frame in an up-down sliding mode, and the first elastic piece is located in the annular frame and connected with the placing ring; the driving assembly is connected with the annular frame to drive the annular frame to rotate and move up and down in the kettle body, the feeding assembly is arranged above the annular frame, and a push rod matched with the feeding assembly to control the feeding assembly to be closed is arranged on the placing ring; the aluminum blocks are arranged up and down and filled in the annular frame; the anti-caking mechanism of the reaction kettle has the effects of reducing the phenomenon of caking of aluminum blocks during synthesis and improving the synthesis efficiency of aluminum alkoxide.

The invention belongs to the technical field of electromagnetic wave functional materials, and particularly relates to a nested split ring wave-absorbing metamaterial and a preparation method thereof. The wave-absorbing metamaterial sequentially comprises an FSS metal structure layer, a dielectric layer and a metal matrix layer from top to bottom in the thickness direction, the FSS metal structure layer is formed by distributing structure units in a periodic array mode, each structure unit is composed of a double-opening outer ring shaped like a Chinese character'hui 'and a double-opening inner ring, the double-opening outer ring is a split square, and the double-opening inner ring is a hollow square. The structural units are symmetrically arranged about the diagonal line of the dielectric layer. The FSS metal structure layer designed by the invention has anisotropy, so that the polarization direction of an incident wave can be rotated by 90 degrees in a reflection mode. By means of the design, the two functions of electromagnetic wave absorption and polarization conversion are achieved at the same time, and meanwhile the effect of multiband wave absorption is achieved. Within the frequency band of 4 GHz to 18 GHz, the maximum wave-absorbing strength of the nested wave-absorbing metamaterial is as high as-30 dB, and the effective wave-absorbing bandwidth can reach 7.5 GHz.

The invention provides a high-speed cable testing device applied to the field of testing devices. The high-speed cable testing device comprises a rack, and a traction mechanism and a clamping mechanism are arranged on the rack; a diameter detection mechanism is arranged on the rack, the diameter detection mechanism comprises a C-shaped split ring on a third support, clamping plates and a displacement sensor are arranged on the C-shaped split ring, and target plates matched with the displacement sensor are fixed to the sides, away from each other, of the two sets of clamping plates; the opposite sides of the two sets of clamping plates are each provided with a detection port and a telescopic cutting board. The third support is provided with a gear set used for driving the C-shaped split ring to rotate. According to the invention, the diameter change of the cable in the stretching process can be measured; meanwhile, due to the rotation function of the C-shaped opening ring and the arrangement of the telescopic cutting board, the diameter of the cable can be detected in an all-around mode, internal structures such as an insulating layer of the cable can be detected, the testing requirements of high-speed cables of different specifications can be met, and applicability and universality are achieved.

A barbell includes a bar having opposed end portions, each having an annular slot extending around the end portion, and a pair of sleeve assemblies connected to the end portions. Each sleeve assembly includes a sleeve having an axial bore receiving one of the end portions of the bar and a connection assembly including a split ring having two semi-annular pieces received within the slot, a proximal washer positioned axially inward from the split ring and engaging an inward side of the split ring, a distal washer positioned outward from the split ring, the distal washer engaging an outward side of the split ring, an annular member around the split ring, radially retaining the semi-annular pieces within the slot, and a retaining member engaging the distal washer and the bore to retain the connection assembly in connection with the bar and the sleeve.

The invention discloses a non-magnetic passive space nonreciprocal antenna housing based on an artificial electromagnetic metamaterial, and relates to the technical field of stealth materials, the non-magnetic passive space nonreciprocal antenna housing comprises antenna housing units which are periodically spliced in a plane, and each antenna housing unit comprises two dielectric substrates which are vertically crossed with each other; artificial microstructure units are arranged on the upper surface and the lower surface of the dielectric substrate; wherein the artificial microstructure unit arranged on the upper surface of the dielectric substrate comprises a double-opening SRR ring, the artificial microstructure unit arranged on the lower surface of the dielectric substrate comprises an asymmetric square opening ring, and the centers of the double-opening SRR ring and the asymmetric square opening ring are asymmetric. The technical problems that in the prior art, a non-reciprocal super-electromagnetic surface needs external magnetic bias or an external power source, preparation is complex, and integration is difficult are solved.

A piston ring seal arrangement of a gas turbine engine includes a piston ring having a circumferentially split ring configuration having a first axially-facing side and a second axially-facing side opposite the first axially facing side. The piston ring includes a first circumferential end circumferentially overlapping a second circumferential end. The piston ring is installed into a groove in a mating component. The first circumferential end and the second circumferential end define a plurality of edges on the first axially-facing side and the second axially-facing side. The first axially-facing side includes fewer edges than the second axially-facing side, and an operating pressure acting on the piston ring is greater at the second axially-facing side than at the first axially-facing side.

A protective pad assembly for removably positioning on an arm or a leg of a user of the protective pad assembly for protecting an elbow or a knee of the user. The protective pad assembly comprises an outer protective unit including a protective cushion pad configured to protect the elbow or the knee of the user from impact, and a self-retaining device mounted to the outer protective unit for retaining the outer protective unit on the arm or leg of the user. The self-retaining device includes a resilient retaining split-ring clamp having two opposite free ends spaced from one another. The free ends of the resilient retaining split-ring clamp are circumferentially expandable or contractable relative to one another for retaining the protective pad on an arm or a leg of the user of the protective pad assembly over one of the elbow and the knee thereof.

The invention provides a magnetic resonance self-decoupling coil based on a double-split-ring reverse coupling mechanism, which comprises a dielectric substrate, an external annular metal wire and an internal annular metal wire, the external annular metal wire and the internal annular metal wire are fixed on the dielectric substrate and sleeved together, one end of the external annular metal wire is provided with an opening, and the opening is connected with an outer ring tuning capacitor. Two sides of the outer ring tuning capacitor are respectively provided with a matching metal wire, each matching metal wire is provided with an opening, the opening is connected with a matching capacitor, and the tail ends of the two matching metal wires are connected with an excitation port; the inner annular metal wire 3 is provided with an opening on the opposite side of the opening end of the outer annular metal wire, and the opening is connected with an inner ring tuning capacitor. According to the invention, mutual inductance between magnetic resonance self-decoupling coil units can be effectively reduced, and coupling between multi-channel coil units is reduced.

A portable vegetation bag soil supporting device comprises a base, at least three supporting rods and an opening ring, and the base supports the opening ring through the supporting rods; one end of the supporting rod is hinged to the split ring, and a butt joint structure is arranged between the other end of the supporting rod and the base. The opening ring is used for opening a bag opening; an anti-falling structure is further fixedly arranged on the split ring; by arranging the butt joint structure between the supporting rod and the base and hinging the supporting rod to the split ring, the device is easy to install during use, easy to store after use, small in occupied space and convenient for workers to operate and carry. Meanwhile, an anti-falling structure is arranged, so that the bag opening is prevented from falling off from the opening ring during soil loading, and the use is more stable.

The invention provides an expansion capacity verification system of a borehole dilatometer. Comprising a first hydraulic pump, an oil outlet pipe pressure gauge, an oil return pipe pressure gauge, a displacement sensor, a hydraulic sensor used for detecting the hydraulic pressure of an oil outlet pipeline, a calibration liquid containing cavity shell, a water drainage pipe used for draining measurement water, a hydraulic sensor used for measuring the displacement variation of a hydraulic push rod and a signal input device. The front section part of the metal structure shell of the borehole dilatometer is embedded into the calibration liquid cavity shell from the opening of the calibration liquid cavity shell; a second enamel disc is annularly arranged on an opening of the calibration liquid containing cavity shell, a first enamel disc is arranged on the outer wall of the rear section part of the metal structure shell of the borehole dilatometer in a sleeving manner, and a measurement water body sealing cavity is formed between the calibration liquid containing cavity shell and the front section part through sealing installation of the two enamel discs; the invention provides a verification method using the verification system. According to the invention, the calibration accuracy of the expansion amount of the borehole dilatometer is improved, and detection, installation and debugging are facilitated.

A cable support includes an open annular body and two jaws secured to the open annular body and extending therefrom, arranged with one facing the other to form a clamp, the open annular body having an aperture. The aperture of the annular body is configured to allow insertion of at least one cable into the annular body. The terminal parts of the open annular body bordering the aperture each have a loop configured for passage of a self-locking clamping collar around the open annular body. The clamp-forming jaws each include at least one through aperture configured for the passage of a fixing structure that can be locked in position. A fixing assembly includes a cable support and an intermediate fixing support of the cable support. It is advantageously possible to carry out a fast and reliable installation of cables, notably in cramped spaces such as on board an aircraft.

The present invention provides a main bearing for a CT machine, belonging to the technical field of bearing manufacturing. The main bearing for a CT machine includes an inner ring, an outer ring, and two rows of balls each equipped with a cage. One of the inner ring and the outer ring is provided with a raceway in contact with the two rows of balls, and the other includes a first split ring and a second split ring. The first split ring is provided with a boss for temporarily supporting the first row of balls when installing the first row of balls. Gaskets are respectively fixed on the two split rings through retaining rings. Both retaining rings are integral annular rings and are provided with raceways in contact with the balls. Both split rings have an inner diameter or an outer diameter adapted to the corresponding retaining ring for the corresponding retaining ring to be directly installed on the split ring along the axial direction. A support ring for temporarily supporting the second row of balls when installing the second row of balls is clamped between the two split rings. Compared with the existing steel wire with a notch, the integral annular ring has higher structural strength, eliminating the problem of abnormal noise of the bearing. At the same time, the use of the support ring ensures the smooth assembly of the bearing.

The invention discloses a remote plasma reaction chamber and a remote plasma source system. The remote plasma reaction chamber comprises a first flange, a cavity structure and a second flange, the cavity structure is located on one side of the first flange and comprises a three-dimensional metal split ring, a three-dimensional metal closed ring and a plurality of insulating supporting columns. Wherein the three-dimensional metal split ring comprises an opening, and the three-dimensional metal split ring is located on the inner wall side of the three-dimensional metal closed ring; the plurality of insulating support columns are positioned between the three-dimensional metal split ring and the three-dimensional metal closed ring, and are used for supporting the three-dimensional metal split ring; the three-dimensional metal opening ring is reused as a first electrode; the three-dimensional metal closed loop is reused as a second electrode; the second flange is located on the side, away from the first flange, of the cavity structure. The remote plasma reaction chamber and the plasma source system provided by the invention are simple in structure and not easy to crack, and can improve the problem that the chamber structure is easy to crack.

The present invention relates to a design method for a split-ring type line, which includes: obtaining an initial flow path WON of the engine fan booster stage through S2 flow-through design; selecting a split-ring type line design area BOC section in the initial flow path WON; establishing a coordinate system OXY with the split point 0 of the split-ring type line design area BOC section as the origin; obtaining according to the coordinate system OXY: the coordinates of point O (0, 0), the coordinates of point B, the slope of point B, the coordinates of point C, the slope of point C; establishing an elliptic equation for the upper part OB section of the split ring in the coordinate system OXY, and solving to obtain the type line of the OB section; establishing an elliptic equation for the lower part OC section of the split ring in the coordinate system OXY, and solving to obtain the type line of the OC section; combining the type line of the upper part OB section of the split ring and the type line of the lower part OC section of the split ring to form a complete split-ring type line. The present invention can optimize the split-ring type line.

The utility model relates to a novel stainless steel pipe connecting structure, and aims to solve the problems of complicated installation, insufficient sealing performance, high cost and the like in the conventional connecting mode. The structure comprises an open annular shell, and two ends of the open annular shell are folded inwards to form a groove-shaped structure; one end of each extension plate is perpendicular to the side wall of the shell, and the other end of each extension plate is bent and attached to form an enclosed cavity and is provided with a mounting groove; the arc-shaped gasket is located in the cavity, two ends abut against the extension plates, and mounting holes are formed; the C-shaped lining plate is attached to the inner wall of the groove-shaped structure of the shell and is internally provided with a One side of the annular clamping strip is in contact with the inner wall, and the other side of the annular clamping strip is of a tooth-shaped structure to form a guide inclined surface; and the screw rod penetrates through the mounting hole and is connected with the nut to realize stainless steel pipe connection. The structure simplifies installation, improves sealing performance, reduces cost and is suitable for various stainless steel pipe connection scenes.

The invention relates to a high-sensitivity differential microfluid sensor based on a microstrip line, which is used for measuring the concentration of a water-ethanol mixed solution, and comprises the microstrip line configured with a symmetrical shunt / combiner, a pair of split ring resonators with bent grooves, and a microfluid channel, a dielectric layer and a metal ground which are arranged at the tops of the split ring resonators from the top layer to the bottom layer. Wherein the bent groove parts of the two SRRs are areas with the maximum electric field intensity, and a micro-fluidic channel made of polydimethylsiloxane (PDMS) is placed in the areas. A sensor parameter curve is measured by a vector network analyzer (VNA). The suggested size of the sensor is 30 * 20 mm < 2 >, and the working frequency is 4.8 GHz. Experimental results show that the resonant frequency of the water-ethanol mixture with the concentration range of 0-100% has linear shift of 1250 MHz, and the average sensitivity Savf of detection is 0.987%. The sensor has the characteristics of compactness, high sensitivity, high measurement precision, no environmental interference and the like, and has wide application prospects in the fields of biomedical detection, material analysis, environmental monitoring and the like.

A split ring seal has: a first circumferential end and a second circumferential end; an inner diameter surface and an outer diameter surface; a first axial end face and a second axial end face. The outer diameter surface has a sealing surface. The first axial end face has: a first section; a second section outboard of the first section; and an axial protrusion between the first section and the second section The second axial end face has: a first sealing surface; a second sealing surface radially outboard of the first sealing surface; a circumferential channel between the first surface and the second sealing surface; and a plurality of channels extending radially outward from the circumferential channel.

A connector mating structure includes a packing is attached to a female housing of a female connector. The packing includes an annular section and a locked section, the annular section being attached to an outer peripheral surface of a body section and a forward side of a collar, wherein the locked section is connected to the annular section and locked to an opening of the collar. The annular section provides seal between the outer peripheral surface of the body section and an inner peripheral surface of a tubular section of a male housing. The locked section includes an inserted portion and a protrusion, the inserted portion extending backward from a backward end of the annular section and being inserted into the opening, wherein the protrusion protrudes inward into the annular section from a backward end of the inserted portion and is positioned on a backward side of the collar.

A reinforcing steel bar circumferential conveying system of a tunnel secondary lining reinforcing steel bar binding trolley comprises a circumferential rail which is rotationally arranged in a reinforcing steel bar racking area of the tunnel secondary lining reinforcing steel bar binding trolley through a rotating mechanism, at least one bottom end of the circumferential rail is a feeding end, and a guide limiting mechanism is arranged at the bottom end of the circumferential rail; the steel bar combing mechanisms are arranged on the inner side of the annular rail at intervals; the steel bar combing mechanism is provided with a combing head which stretches out and draws back in the radial direction of the annular rail, and a combing groove is formed in the front end of the combing head; an opening for the carding head to extend out is formed in the annular track; and the annular traction trolley runs along the peripheral surface of the annular rail, is provided with a clamping groove for accommodating and fixing the reinforcing steel bars and is used for dragging and conveying a plurality of reinforcing steel bars at one time. The circumferential steel bar racking device can realize mechanical racking of circumferential steel bars, and solves the problems of low efficiency and high labor intensity of the circumferential steel bar racking.

The present invention discloses a highly conductive split ring of an omnidirectional elastic member. The highly conductive split ring of an omnidirectional elastic member according to the present invention solves the problem of corrosion of peripheral components caused by axial current in high-speed electric motors, which directly affects the operating stability of bearings mounted on the main shaft, thereby affecting the stability of the electric motor under conditions of high rotational speed, high power, and high torque. It also overcomes the state-of-the-art technical challenge of limiting the output of the electric motor, which belongs to the problem of axial current that needs to be resolved quickly, otherwise it may cause a potential safety hazard. The multiple fan-shaped lip edges used in the present invention not only ensure good electrical contact and sufficient contact area with the main shaft, but also move synchronously with the radial or axial movement of the main shaft, demonstrating excellent performance in following the main shaft operation and ensuring good instantaneous electrical contact between the conductive silicone adhesive and the main shaft. [Solution] The split ring comprises an outer frame, a support ring, and a conductive assembly, and the conductive assembly includes a conductive ring, multiple lip edges, a conductive silicone adhesive after it has solidified from a liquid state, and a conductive elastic member that is integrally attached to the conductive silicone adhesive.

The utility model discloses an elastic wine bottle protective sleeve which comprises a protective sleeve body, a sponge lining is fixedly sleeved inside the side wall of the protective sleeve body, a plurality of annular openings are arranged on the sponge lining, and elastic split rings are sleeved in the annular openings. An elastic supporting ring is fixedly embedded in the bottom surface of the interior of the protective sleeve body and the sponge lining, an elastic ring seat is fixedly embedded in the bottom surface of the outer side of the protective sleeve body and the sponge lining, and the top surface of the elastic ring seat is fixedly connected with the bottom surface of the elastic supporting ring; buffering force is provided through the sponge lining, and the wine bottle is wrapped by the elastic split rings, so that when the wine bottle is collided, the impact force can be better buffered through the elastic split rings with elasticity, the wine bottle is protected, and the protection effect is better.

The utility model discloses a high wear-resistant bearing check ring which comprises a split ring, one end of the split ring is provided with a mounting plate, the other end of the split ring is rotatably provided with a clamping plate, the mounting plate is provided with a locking column, the clamping plate is uniformly provided with a plurality of clamping grooves, and the locking column can be clamped in the clamping grooves.

The utility model discloses a copper wire cleaning mechanism of a steel pail automatic welding machine, relates to the technical field of steel pail automatic welding machines, and aims to solve the technical problem that a current copper wire cleaning mechanism is poor in copper wire cleaning effect, and the copper wire cleaning mechanism comprises an equipment shell and a connecting plate. Through the designed cleaning assembly, when a copper wire passes through two groups of rollers, the copper wire can penetrate through an opening cleaning ring on a mounting plate, so that in the copper wire conduction process, two groups of driving roller shafts can be driven to rotate through a driving structure, and then the two groups of driving roller shafts can drive an opening ring to rotate; at the moment, the opening cleaning ring on the opening ring rotates synchronously, then the opening cleaning ring can complete rotating cleaning of the copper wire, the cleaning effect on the copper wire can be effectively guaranteed, and the situation that part of the position of the copper wire cannot be cleaned is avoided.

A pressure measuring cell for measuring pressure, having: - a pressure measuring cell (500); - a rotationally symmetrical sensor cannula (400), into which the pressure measuring cell (500) is inserted; - a rotationally symmetrical process connection (300), wherein one end (370) of the process connection (300) has an inwardly extending, encircling stop surface (310) intended for the sensor cannula, and the other end (380) of the process connection (300) has an opening (330) for receiving the sensor cannula; - a ring-like process seal (600), which continues in an annular, radial ring and exerts a sealing action in a sealing plane between the sensor cannula (400) and the stop surface (310) of the process connection (300), in order thus to prevent process medium from entering into the pressure measuring cell (100); - wherein the stop surface (310) of the process connection (300) and / or a counter stop surface (432) of the sensor cannula (400), which in the installed state is oriented towards the stop surface, have a plurality of individually formed web plates (435), which are configured in a manner dependent on the characteristics of the process seal such that the process seal cannot be pressed into the opening.

The present application relates to a kind of sealing gasket structure, including ring groove, split ring, sealing ring and sealing ring pressure ring;The thickness of split ring is less than the width of ring groove, split ring is installed at the groove bottom of ring groove, and is made of multiple sections, and split ring is abutted on the groove wall of ring groove.There is limiting portion for limiting split ring to move outward on the groove wall abutting with split ring;Sealing ring is abutted on the groove wall with limiting portion, the bottom of sealing ring is abutted on split ring, and the top is overflowed from the slot opening of ring groove;The two sides of the bottom of sealing ring pressure ring are respectively abutted on split ring and the groove wall away from limiting portion, and the middle part of sealing ring pressure ring is pressed on sealing ring and split ring.In addition, a special gate valve for Yellow River water is also provided.The above-mentioned sealing gasket structure and special gate valve for Yellow River water, split ring and sealing ring pressure ring are fixed, so that sealing ring can be firmly installed in valve seat ring groove, and is clamped and fixed by limiting portion located on the side wall of ring groove, to realize the quick and convenient disassembly of sealing gasket structure, and low use cost.

The invention relates to a multifunctional wavefront regulation and control metasurface based on a dual-frequency transmission type and a method thereof, the multifunctional wavefront regulation and control metasurface comprises a plurality of metasurface units, and each metasurface unit comprises a dielectric layer; the bottom layer is arranged on the lower side face of the dielectric layer and comprises a lower outer opening ring and a lower inner opening ring, and the lower inner opening ring is located on the inner side of the lower outer opening ring; the top layer is arranged on the upper side surface of the dielectric layer and comprises an upper outer opening ring and an upper inner opening ring, and the upper inner opening ring is located on the inner side of the upper outer opening ring; wherein the central axis of the bottom layer, the central axis of the top layer and the vertical central line of the dielectric layer are overlapped, an opening of the lower outer split ring and an opening of the upper outer split ring are symmetrically arranged in a 180-degree mode, and the lower inner split ring and the upper inner split ring are symmetrically arranged in a 180-degree mode, so that various different functions such as OAM wave beams in different modes, wave beam splitting, focusing lenses and abnormal refraction can be realized.

Disclosed is a bearing ring (1) having a sandwich structure of at least three layers (2, 4-1, 4-2, 6), a first layer (2) at least partially forming a running surface (8), a second layer (6) being arranged on the first layer (2) as an intermediate layer, and a third layer (4-1, 4-2) being arranged at least partially on the intermediate layer (6) and taking the form of a split ring.

A concentric slave cylinder 3 is proposed, comprising an annular housing 5 which has a pressure chamber 7 rotating around a main axis 100, wherein the annular housing 5 has an axial fluid connection opening 22 fluidically connected to the pressure chamber 7, an annular piston 6 which is axially movably received in the annular housing 5 and limits the pressure chamber 7 in an axial direction 101 with respect to the main axis 100, an outer and an inner piston seal 11, 12 for sealing the pressure chamber 7, wherein the annular piston 6 has an outer sealing receptacle 13 on its outer circumference for receiving the outer piston seal 11 and an inner sealing receptacle 14 on its inner circumference for receiving the inner piston seal 12, and a sealing device 21 for sealing the annular housing 5 against a housing section 2.wherein the sealing device 21 for sealing the fluid connection opening 22 is supported against an environment in the axial direction 101 on an end face of the ring housing 5 and in at least one radial direction 103, 104 on at least one support section 24, 25 of the ring housing 9.