732results about How to "Increase contact" patented technology

The invention provides a vibration measurement device for motor equipment, and relates to the field of vibration measurement, and the device comprises a main body support frame, and the left and right sides of the top of the main body support frame are provided with self-locking worm gears A; a mounting angle adjusting shaft is rotationally mounted on the inner side of the main body supporting frame; self-locking worms A are arranged on the left side and the right side of the mounting angle adjusting shaft; the self-locking worm A is matched and connected with the self-locking worm gear A; guide pieces are arranged on the left side and the right side of the main body supporting frame. A mounting angle adjusting part is arranged in the middle of the mounting angle adjusting shaft; the vibration testing device can test vibration of motor equipment at different installation angles and output angles, the universality and accuracy of the vibration testing result of the device are improved, and the problem that the vibration amplitude of the motor equipment is affected to a certain extent due to installation modes at different angles is solved. And a vibration measurement result obtained by only testing plane installation does not have universality.

The invention relates to the technical field of heavy oil reservoir exploitation, in particular to a device and a method for realizing viscosity-reducing huff-puff exploitation of heavy oil by injecting natural gas into a well and pressurizing. According to the technical scheme, a gas supply pipeline is tripped into an annular space between a sleeve and a pump cylinder, the upper end of the gas supply pipeline is connected with a natural gas injection device on the ground, and the lower end of the gas supply pipeline is communicated with a gas inlet of an underground natural gas booster pump; a gas injection packer is installed on the lower middle side of a pump cylinder, an oil inlet hole is formed in the pipe wall of the lower side of the gas injection packer, and the lower end of the gas injection packer is connected with an underground natural gas booster pump through a transition adapter. The device has the advantages that the pressure of natural gas can be increased in a relay mode, the natural gas is dynamically mixed and dissolved in thickened oil, the viscosity of the natural gas is remarkably reduced, the natural gas is increased along with volume expansion, flowing to a shaft is facilitated, in addition, the foam oil effect can be formed, and the functions of reducing viscosity and increasing yield of a thickened oil reservoir are achieved; and the total operation cost is lower than the steam thermal recovery cost, and the safety is also greatly improved.

The utility model relates to the technical field of liquid fertilizer processing, in particular to a liquid fertilizer raw material homogenizing and mixing tank which comprises a tank body, a feed port and a liquid inlet are formed in the top of the tank body in a penetrating mode, a liquid outlet is formed in the bottom of the tank body, a reaction cavity is formed in the tank body, a driving motor is arranged on the outer top of the tank body, and a material cutting blade set is arranged on a driving shaft of the driving motor. The cutting blade group comprises a plurality of blades I, the blades I are arranged along the circumference of the driving shaft, and blades are correspondingly arranged on the blade edges of the blades I; at least two stages of cutting blade groups are vertically arranged on the driving shaft, and the number of blades I in each stage of cutting blade group is sequentially increased from top to bottom; a flow stirring blade group is arranged at the lower part in the reaction cavity, is arranged on the driving shaft, and comprises a plurality of blades II; an ultrasonic generator is arranged at the bottom of the reaction cavity. According to the utility model, the technical problem that solid raw materials are rapidly and completely crushed and are fully mixed and reacted with an aqueous solution is solved.

This utility model relates to the field of waste incineration technology and discloses an integrated micro-power water washing device for waste incineration fly ash, including a tank. A hopper is fixedly connected to the top of the tank, and a discharge pipe is embedded in the middle of the bottom of the tank. A dust-raising pipe is embedded through the hopper and the top of the tank. An inner conical fixed plate is fixedly connected to the bottom of the dust-raising pipe. A liquid guide pipe is wound around the outer wall of the dust-raising pipe, and one end of the liquid guide pipe extends to the outer end of the tank. The bottom end of the liquid guide pipe is coiled and embedded in the conical surface of the inner conical fixed plate. Several nozzles are embedded on the liquid guide pipe located on the inner conical surface. Several chambers are opened in the wall of the dust-raising pipe, and several elastic balls are arranged inside the chambers. The beneficial effects of this utility model are: the water pump delivers hot water to form an air curtain with the inclined nozzles, eliminating the need for traditional stirring equipment. Micro-power water washing is achieved by using water flow and heat effect, which greatly reduces energy consumption.

This invention discloses a grouting and sealing device for fault water hazard prevention, relating to the field of underground grouting and sealing technology in coal mines. It includes a grouting component body with a feed pipe fixedly installed on its inner surface. The grouting component body is equipped with at least two sealing mechanisms. Through the arrangement of these sealing mechanisms, when encountering a gourd-shaped borehole, the segmented arrangement of the first and second expansion capsules allows the external air supply end to inflate the first expansion capsule. With the cooperation of the connecting and limiting components, the first and second expansion capsules are positioned in the larger and smaller diameter areas of the gourd shape, respectively. This allows the first and second expansion capsules to expand to appropriate sizes after expansion, respectively, to cooperate with different areas during sealing. This avoids poor contact with the gourd-shaped borehole wall during sealing, increases the sealing contact area with the borehole wall, and ensures the sealing effect during grouting and sealing.

The utility model discloses an epoxy floor paint scraping device relates to scraping device design technical field, including scraping main part, epoxy floor paint heating storage unit, brushing unit, and the scraping main part downside surface four corners are provided with one removal wheel respectively, the scraping main body upside surface is provided with the push handrail, the scraping main body right side surface is provided with brushing unit, and epoxy floor paint heating storage unit contains the full paint bucket fixed seat, full paint bucket, protection cover, stirring cylinder, feed pipeline and stirring vane, the scraping main body upside surface is located the position fixed connection one full paint bucket fixed seat right side of push handrail, be provided with one full paint bucket on the full paint bucket fixed seat, when painting, prevent paint condensation, reduce the waste of paint, reduce the scraping time simultaneously, improve the efficiency of daubing.

The utility model discloses a sewage treatment device for slaughterhouse belongs to sewage treatment technical field, including box, the top of box is equipped with inlet pipe, the bottom fixedly connected with the inlet pipe of communicating hose, the fixedly connected with fixed plate of inlet pipe, the bottom of fixed plate is equipped with mobile filter assembly, and this mobile filter assembly carries out mobile filtering to sewage, and the mobile filter assembly is connected with drive assembly, and this drive assembly is used for driving mobile filter assembly mobile work. The utility model not only is convenient to rotate filter and changes the position of filtration, reduces local block, and changes the position of sewage falling, and it is convenient for sewage to contact with medicine water more quickly and more fully and complete purification.

The utility model relates to the field of electric power system and high voltage switch equipment discloses vacuum circuit breaker with signal feedback mechanism, including arc extinguishing chamber, the bottom fixedly connected with mechanism box of arc extinguishing chamber, the outside of mechanism box is provided with quick -witted connection mechanism, the top fixedly connected with voltage transformer of quick -witted connection mechanism, the outside fixedly connected with base of mechanism box, the outside of base is provided with quick -witted break mechanism, quick -witted connection mechanism includes support connecting plate, the outside fixedly connected with air cylinder no.

This invention discloses a surgical field gimbal imaging device and method, relating to the field of medical auxiliary devices. The device includes a mounting base, a fixed column fixedly connected to one side of the mounting base, a columnar connecting groove on the side of the fixed column away from the mounting base, a connecting column inserted into the columnar connecting groove, and a connecting seat fixedly connected to the side of the connecting column away from the mounting base. A camera body is mounted on the other side of the connecting seat via a multi-directional rotation mechanism. Multiple limiting mechanisms are also included, used to limit the connection between the fixed column and the connecting column. Each limiting mechanism includes an L-shaped frame fixedly connected to the side wall of the fixed column. Compared to traditional imaging devices and head-mounted supports directly connected via multiple screws, this solution uses a connecting seat at the connection point. The connecting seat and the imaging device employ a simpler, detachable connection method, facilitating disassembly, inspection, and maintenance of the imaging device.

The application discloses a kind of salt-containing wastewater concentration devices, belong to salt-containing wastewater treatment technical field, including support and being located on the concentration tank of support, multiple filter plates are arranged in the concentration tank along the direction of axis, the filter plate is coaxially arranged with concentration tank, the middle part in the concentration tank is equipped with partition plate, the partition plate divides the cavity in the concentration tank into two semicircular cavities symmetrically, and the two semicircular cavities are processing cavity and filter cavity respectively, switching through-hole is equidistantly arranged on the partition plate, the filter plate is rotatably arranged in switching through-hole, switching drive is arranged on the concentration tank to drive the rotation of filter plate, a plurality of clamping type cleaning mechanisms are arranged in the processing cavity, and cleaning liquid supply mechanism is arranged on the support.The salt-containing wastewater concentration device provided by the application can clean the filter plate without stopping work, ensuring continuous filtration.

The utility model provides a disconnected type vehicle frame and a mine truck, the disconnected type vehicle frame comprises a front vehicle frame and a rear vehicle frame, a slewing bearing is arranged between the front vehicle frame and the rear vehicle frame, the outer ring of the slewing bearing is fixedly connected to the rear end part of the front vehicle frame, and the inner ring of the slewing bearing is fixedly connected to the front end part of the rear vehicle frame; and the inner ring and the outer ring of the slewing bearing are rotationally connected. Compared with an existing integral frame vehicle, the front frame and the rear frame adopting the slewing bearing can rotate in a small range in the advancing direction, so that an axle can be in better contact with the ground, the driving force of the vehicle is increased, and the cross-country performance of the vehicle is improved; compared with an existing articulated truck that a power assembly and a transfer case are both installed on a front truck, the power assembly of the disconnected truck frame adopting the slewing bearing is installed on the front truck frame, the transfer case is installed on the rear truck frame, the size of a front overhang and a wheel base of the whole truck is small, the length of the whole truck is reduced, applicability is improved, and wide application and popularization prospects are achieved.

The utility model provides a kind of outdoor unit and heating and ventilation equipment, outdoor unit includes box, electric control support and electric control mainboard, box is equipped with maintenance opening, electric control support is installed in box, and it is limited to one side open electric control installation cavity, electric control mainboard is embedded in electric control installation cavity, along the through direction of the maintenance opening, opposite sides of the electric control mainboard are respectively equipped with first edge and second edge, the first edge is between the maintenance opening and the second edge, electric control mainboard has multiple connectors, along through direction, connector is more close to the first edge setting compared to the second edge. By setting the side edge of connector close to electric control mainboard, then installing mainboard in box by electric control support, and make the side of electric control mainboard setting connector close to maintenance opening setting, so that the wiring of electric control mainboard is convenient for user to contact from maintenance opening, to facilitate user to install and maintain the wiring of electric control mainboard, to improve user experience.

This invention belongs to the field of battery material technology, and provides a single-lithium-ion conductive polymer solid electrolyte, its preparation method, and its application. The single-lithium-ion conductive polymer solid electrolyte of this invention uses P... 1,101 TFSI / Li-Nafion@LLZTO was added as a filler to the matrix resin to promote the addition of cationic Li in the lithium salt. + The migration of lithium ions improves the efficiency of lithium ion transport, which is beneficial for enhancing the contact between the electrode and the interface. It also results in high ionic conductivity and lithium ion transference number (ionic conductivity can reach up to 2.31 × 10⁻⁶). ‑4 S cm ‑1 With an ion transference number of up to 0.63, it exhibits high electrode / electrolyte interface stability, which can reduce interface resistance and contribute to the practical application and high performance of lithium-ion batteries based on SLCP solid electrolyte.

The utility model discloses a connector lug for an electrical test, which realizes rapid and stable connection between a plug and a connector through optimizing the structural design, realizes accurate positioning through the cooperation of an annular positioning groove and an annular positioning block, further enhances the connection stability through a positioning insertion rod and a positioning hole, and simultaneously, is provided with a first magnet at the end part of the positioning insertion rod. The second magnet is arranged at the bottom in the positioning hole, the connection tightness is further ensured through the attraction force of the magnet, and the anti-interference and anti-vibration performance is improved. During use, a plug is inserted into the connector, the first sleeve is rotated to drive the second sleeve to move, the annular limiting block abuts against the end of the plug, poor contact is avoided, and the connector lug is easy and convenient to operate, reliable in connection and suitable for complex test environments.

The application discloses a safe material collecting device for a round knife die cutting equipment and belongs to the technical field of die cutting equipment. The device comprises a workbench, a placing rack and a supporting rack are respectively arranged on the workbench, a first material placing roller and a material collecting roller are respectively arranged on the supporting rack, a second material placing roller, a pressing roller and a die cutting assembly are respectively arranged on the workbench, a supporting table is arranged on the workbench, a supporting assembly is arranged on the supporting table, a cylinder is arranged on the supporting assembly, a pressing plate is arranged on the output end of the cylinder, a tensioning assembly and multiple sets of ejector rod assemblies are respectively connected below the pressing plate, and the tensioning assembly is located on the two sides of the ejector rod assemblies. A material collecting box for receiving the material falling from the ejector rod assemblies is placed on the placing rack. The device solves the problem that the separation effect is poor due to the fact that the partial edges of the material are relatively close when the existing equipment separates the material.

This invention relates to the field of solid-state battery technology, and particularly to a composite solid-state electrolyte material, its preparation method, and its application. The composite solid-state electrolyte material contains a crystalline phase substance with the general chemical formula: B%A a RE b X 1 c D g +C%A d M e X 2 f D h Where A represents charge carriers; RE represents rare earth elements; M represents metallic elements; X represents... 1 X 2 D is a halide anion; A is an anion doping element or group; a RE b X 1 c D g and A d M e X 2 f D h It is a crystalline phase substance; B% is A a RE b X 1 c D g The mass fraction of the composite solid electrolyte material; C% is A d M e X 2 f D h The mass fraction of the composite solid electrolyte material is defined as follows: 0 ≤ a ≤ 3, 0 < b ≤ 1, 0.5 < c ≤ 12, 0 < d ≤ 5, 0 < e ≤ 2, 1 < f ≤ 20, 0 ≤ g ≤ 4, 0 ≤ h ≤ 5; 85 < B + C < 98, 10% < B% ≤ 85%; 10% < C% ≤ 85%, 0.2 ≤ C / B ≤ 10. The composite solid electrolyte material of this invention includes crystalline and amorphous phase components, giving it high ionic conductivity. The use of moisture-resistant non-metallic halide components instead of traditional halides and oxyhalides in the raw materials also provides it with good air stability.

The utility model relates to battery technical field, specifically provide a kind of battery welding fixture, including first clamping component and second clamping component, first clamping component includes the first datum and first clamping piece oppositely arranged along first clamping direction, first clamping piece can move along first clamping direction, and first datum is fixedly arranged;Second clamping component includes the second datum and second clamping piece oppositely arranged along second clamping direction, and second clamping piece can move along second clamping direction, and second datum is fixedly arranged;Wherein, first datum and first clamping piece include first clamping seat and first abutting piece;The first abutting piece of first datum is located between second datum and second clamping piece;First abutting piece includes two press-mounting components, and at least one press-mounting component in two press-mounting components is movably arranged in first clamping seat along second clamping direction.The utility model effectively improves the overall dimensional compatibility and clamping stability.

The invention provides a combined process method for improving the yield of vacuum residue catalytic cracking products, which comprises the following steps: determining the asphaltene dispersion coefficient d of vacuum residue according to a formula (1), where w asphaltene, w colloid and w aromatics respectively represent the mass fractions of asphaltene, colloid and aromatics in vacuum residue; and carrying out modification and catalytic cracking reaction on the vacuum residue. According to the combined process method, the asphaltene dispersion coefficient d is ingeniously designed, and d is smaller than or equal to 0.5 and dgt; the vacuum residue of which the content is 0.5 is modified by adopting different modification methods, and then catalytic cracking reaction is performed under different conditions, so that the density of a catalyst in a reactor is improved, oil-agent contact in the reactor is improved, the contact instantaneous effective agent-oil ratio can be improved, the catalytic cracking reaction ratio can be remarkably improved, thermal cracking and condensation coke generation reactions are reduced, and the catalytic cracking efficiency is improved. Conversion of inferior heavy oil is promoted, meanwhile, the coke yield is remarkably reduced, and the yield of high-value products is increased.

The utility model relates to the technical field of household appliances, in particular to a refrigerator. The door body is movably connected to the refrigerator body and is constructed to open and close the refrigeration chamber; the evaporation dish assembly is arranged at the bottom of the box body, the evaporation dish assembly comprises an evaporation dish used for collecting defrosting water, the evaporation dish is provided with an inserting groove located in the outer side of the bottom of the evaporation dish, and the inserting groove extends in the length direction of the evaporation dish or the width direction of the evaporation dish; and at least part of the evaporating pipe is inserted into the inserting groove in the extending direction of the inserting groove, so that at least part of the evaporating pipe is attached to the bottom of the evaporating dish. The service life of the evaporation pipe is prolonged, the bottleneck problem that the size of the evaporation pipe is not accurate is solved, and the installation stability of the evaporation pipe can be improved.

This invention relates to the field of electric vehicle battery swapping, and more particularly to an auxiliary battery swapping device for battery swapping boxes. The technical problem is as follows: When loading and unloading the battery box, the lack of clamping and securing the battery box makes it prone to shaking during transfer, leading to collision damage. Furthermore, due to prolonged driving of heavy trucks, the power interface may become loose; if not promptly inspected and repaired, this will affect the battery box's contact and other issues. The technical solution is as follows: An auxiliary battery swapping device for battery swapping boxes includes first guide rails and drive blocks; two drive blocks are slidably connected to each of the two first guide rails. This invention uses four hooks to contact the battery box, and with the cooperation of a third clamping plate, it achieves clamping and securing the battery box, avoiding the problem in existing technologies where the battery box is not clamped and secured during transfer, resulting in easy shaking and collision damage, and posing significant safety hazards.

This utility model discloses an electronic device connector cable, comprising a connector body, a connector, and a dustproof assembly. The connector end has a plug-in portion for connecting electronic devices. The dustproof assembly includes a hollow dust cover, a spring, and a cover. One end of the dust cover is inserted into an annular groove at the connector end. An outer limiting slider slides against a limiting groove on the inner wall of the annular groove, ensuring its movement in a specific direction. A first mounting portion of the protruding outer part of the dust cover and a second mounting portion on the connector fix the spring, providing elasticity in its normal state, allowing the dust cover to protrude from the connector. The cover is detachably installed at the opening of the dust cover, covering the plug-in portion. This connector cable, through the cooperation of the dust cover and cover, effectively blocks dust and moisture from contacting the plug-in portion, avoiding poor contact caused by dust accumulation. During insertion and removal, the dust cover is compressed by external force and retracts along the limiting groove, without affecting use. After the external force disappears, it automatically resets under the action of the spring, continuously protecting the plug-in portion and preventing dust accumulation and damage.

The embodiment of the application provides a kind of jet loop reactor, it is related to the technical field of chemical equipment, including the reactor body and the loop reactor of jet device.The reactor body is equipped with reaction liquid feed inlet, gas discharge port and reaction liquid discharge port.Jet device is longitudinally arranged along the reaction liquid feed inlet and is interconnected with each other mixing channel, contraction channel and expansion channel, mixing channel is equipped with liquid circulating feed inlet and reaction liquid nozzle, and separated liquid enters mixing channel and mixes with reaction liquid by circulating feed inlet, contraction channel gradually shrinks along the material flow direction, and expansion channel gradually expands along the flow direction, by the synergistic effect of mixing channel, contraction channel and expansion channel in jet device, combined with the double circulation flow channel formed by flow guide piece, the gas-liquid-solid three-phase mixing effect is strengthened, effectively prevent solid deposition and bubble coalescence, with the advantages of uniform mixing, high reaction efficiency and stable operation.

This utility model provides a novel columnar paint mist collector, including a shell. Multiple filter covers are fixedly installed on the inner wall of the shell. A first inner core is fixedly installed on the inner wall of each filter cover. A guide filter plate is fixedly installed on the outer wall of each filter cover. Multiple second inner cores are fixedly installed on the inner wall of each guide filter plate. Two full-coverage filter plates are also fitted onto the outer wall of each filter cover. Multiple third inner cores are fixedly installed on the inner wall of each full-coverage filter plate. The advantages of this utility model are: the guide filter plates reduce the leakage of air from the outside of the filter covers when they are misaligned; the full-coverage filter plates increase the overall filtration effect, thus adding a double filtration effect while filtering the filter cover at that position, thereby maintaining multiple filtration effects on the air while reducing the leakage of unfiltered air.

The utility model discloses an unmanned vehicle line control chassis high -efficient heat dissipation structure relates to vehicle chassis equipment technical field, is provided with the heat dissipation portion on the chassis, the heat dissipation portion is provided with a plurality of mutually parallel heat dissipation grating, and the inner airflow passage is formed between two adjacent heat dissipation grating, is provided with a plurality of mutually parallel heat dissipation fin on the upper end surface of a plurality of heat dissipation grating, and the outer heat dissipation passage is formed between two adjacent heat dissipation fins, and the interval between two adjacent heat dissipation grating is less than the interval between two adjacent heat dissipation fins, the heat dissipation fin upper edge contour line is extended from both sides to the center symmetry, and one side contour line section includes side horizontal section, large angle drop section, small angle rise section, central horizontal section in proper order, and the scheme simple structure can be high -efficient heat dissipation under the scene such as static parking, low -speed driving, high -speed operation etc.

The utility model relates to an aviation titanium alloy processing monitoring thermal imager support which comprises an annular cavity matched with a thermal imager, the upper portion and the lower portion of the annular cavity are open, a bracket and a supporting block are arranged below the cavity, a supporting groove matched with a thermal imager handle is formed in the side portion of the cavity, and supporting beams are symmetrically arranged on the two sides of the supporting groove. And the end part of the joist is detachably connected with a holding arm. According to the utility model, the upper and lower parts of the annular cavity are open, a thermal imager is placed in the annular cavity during use, a handle of the thermal imager can be placed in the supporting groove, the bracket below the cavity can support the thermal imager, and the supporting block ensures that the thermal imager is not in direct contact with a machine tool, so that the thermal imager is protected; and the symmetrically arranged holding arms can enable an operator to hold the thermal imager with two hands, so that the operation is easier.

The utility model discloses chain paint dipping equipment, and particularly relates to the technical field of chain production, the chain paint dipping equipment comprises a shell, a paint dipping tank is fixedly connected in the shell, a paint dipping assembly and heating mechanisms are installed in the shell, and the paint dipping assembly is installed between the heating mechanisms; the paint dipping assembly comprises a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a fixing disc, the top end of the fixing disc is fixedly connected with a variable frequency motor, the output end of the variable frequency motor is fixedly connected with a first gear, the first gear is rotationally connected with the interior of the fixing disc, one side of the first gear is meshed with a first fluted disc, and the first fluted disc is rotationally connected with the interior of the fixing disc. By arranging the paint dipping assembly and the heating mechanism, paint liquid flowing can be accelerated, bubbles can be promoted to escape rapidly, paint film defects caused by bubble residues are reduced, the adhesive force of a paint film is improved, meanwhile, a chain can be heated before paint dipping, and the adhesive force of the paint liquid on the surface of the chain can be improved.

The utility model relates to a damping device for tower crane, include: lower casing (1), slide and connect on the slide plate (3) of lower casing (1) on, the slide plate (3) top is connected with upper pressing plate (4), upper pressing plate (4) lower part elasticity is connected with lower spring groove (7), the lower casing (1) lower part is provided with support platform (102), support platform (102) has conical support surface, lower spring groove (7) bottom is provided with conical pressure surface, and the conical support surface and conical pressure surface between be provided with damping ring (8), damping ring (8) is including multistage rubber damping mechanism that sets gradually, rubber damping mechanism all include first rubber ring (801) and first metal sheet (802) that set up, wherein first metal sheet (802) on interval be provided with a plurality of baffle that protrude into first rubber ring (801) inside, this device can effectively reduce the vibration of tower crane cab.

The utility model relates to the technical field of vegetable seedling planting, and discloses a vegetable planting groove capable of automatically adjusting a planting angle, which comprises a planting frame, a plurality of strip-shaped planting plates are arranged on the front side and the rear side of the planting frame, and a drip irrigation assembly is arranged on one side of the planting frame; the planting frame comprises a bottom frame and a conical frame fixed to the upper end of the bottom frame, and a plurality of adjusting supports are fixedly connected to one side of the front end and one side of the rear end of the conical frame. According to the utility model, the strip-shaped planting plates are obliquely distributed on the planting frame in the vertical direction, so that vegetable seedlings in each strip-shaped planting plate can be in full contact with sunlight, and the growth of the vegetable seedlings is facilitated; meanwhile, one end of the strip-shaped planting plate can be inclined through the adjusting support, so that vegetable seedlings can be in better contact with sunlight, and growth of the vegetable seedlings is promoted; and drip irrigation can be performed on the vegetable seedlings in the strip-shaped planting plates through the drip irrigation assembly, so that normal growth of the vegetable seedlings is ensured.