425results about How to "Play a restrictive role" patented technology

The invention provides a refrigerator. Touch switches are arranged on a machine door of the refrigerator, the misoperation when the touch switches are touched with the contrary will of a user can be improved when the machine door is opened, and the operation when the touch switches are touched can be improved under the condition that the surface of the machine door is cleaned by cleaning cloth, and the like when the machine door is closed, therefore, the operation convenience and reliability as well as the appearance beauty can be ensured. In the refrigerator, a refrigerating chamber machine door (11) is provided with a plurality of touch switches (15) which set the chamber temperature and the functional operation by detecting the electrostatic capacity of a person; under the condition of touching the adjacent touch switches simultaneously within the set time, not all touched touch switches are available, however, the corresponding operation of the original touched touch switch is available, and the corresponding operation of the later touched touch switch is unavailable, therefore, the accurate operation control can also be carried out when the touch switches are touched by chance.

The invention discloses an acupuncture assisting device for internal medicine of traditional Chinese medicine and relates to the technical field of medical equipment. The acupuncture assisting devicecomprises a needle box, the right side of the inner wall of the needle box is fixedly connected with a hollow column I, sliding grooves are formed in the upper side of the inner wall of the hollow column I and the lower side of the inner wall, and two sliding blocks are connected in the two sliding grooves in a sliding manner. According to the acupuncture assisting device for the internal medicineof traditional Chinese medicine, acupuncture needles are inserted in needle sleeves and clamping pads one by one, the clamping pads clamp and fix the acupuncture needles, on one hand, the acupunctureneedles do no fall off automatically, on the other hand, the acupuncture needles are stored separately, the problem of cross infection due to mutual contact of the acupuncture needles is solved, meanwhile, the needle box is arranged to store the acupuncture needles in the needle box, the problem of bending of the acupuncture needles due to squeezing during carrying is solved, the acupuncture needles are protected, treatment of a patient with the acupuncture needles by a medical worker is facilitated, and the acupuncture assisting device is convenient to carry and use by the medical worker.

The invention relates to a square steel tubular column with internally tangent ring-shaped stirrup restraint and high-strength concrete, which comprises a square steel tube, a stirrup, vertical ribs and high-strength concrete, wherein at least three vertical ribs are arranged in the square steel tube along the axial direction of the square steel tube; the stirrup is a single ring or spirochete, and is arranged along the axial direction of the vertical ribs; the stirrup is tangent to the inner surface of the square steel tube and is fixedly connected with the vertical ribs; and the high-strength concrete is cast in the square steel tube. The invention has the advantages of high bearing force, good stretchability, convenient construction, low cost, high bending resistant bearing force and bending resistant rigidity, and can replace the traditional square steel tubular columns with high-strength concrete, structural steel high-strength concrete columns and round steel tubular columns with high-strength concrete, shorten construction period and improve safety performance of buildings.

The invention discloses a flexible driver with controllable damping and used for a robot joint. The existing flexible driver is lag in drive response, and uncontrollable in flexibility. The inner ringof a hollow rotary platform of the flexible driver disclosed by the invention is driven by an external force, and drives an electric brush rotor and an output disc to rotate; an inner rotary disc comprises a disc body and a central stud; the inner ring of a planar torsional spring is fixed to an output disc, and the outer ring of the planar torsional spring is fixed to a cross support frame and the disc body; an outer rotary disc is born on the central stud, and compressed with an end surface opposite to the disc body, and a compression force is adjusted by an adjustment device; 2-4 grooves are formed in a part close to the edge, of the disc body; a magnetorheological fluid is injected into each groove; two fluid through holes are formed in the bottom of each groove, and the outer ends ofthe two fluid through holes are communicated by a pipeline; each pipeline is wound with a coil; and cylindrical bodies as many as the grooves are arranged on the inner end surface of the outer rotarydisc, and each cylindrical body is embedded in the corresponding groove and divides the groove into two cavities. The flexibility of the flexible driver disclosed by the invention is effectively improved, and a controllable movement flexibility degree is achieved.

The invention discloses a fan device and a breathing machine with the same. The fan device comprises a shell, a fan vibration source and a buffer assembly, wherein the fan vibration source is arranged in the shell, the buffer assembly is used for enabling the fan vibration source to be connected with the shell, and the buffer assembly comprises at least two of a positioning buffer component connected with the top of the fan vibration source, a connecting buffer component which at least partly contains the fan vibration source, and a supporting buffer component which is connected with the bottom of the fan vibration source. The fan device can effectively buffer vibration of a fan and reduce and lower noise transmission and is simple in structure.

The invention relates to the technical field of battery materials, in particular to a preparation method for lithium battery anode material LiNi0.5Mn1.5O4, which uses a CTAB (cetyltrimethyl ammonium bromide)-assisted sol-gel method and particularly includes solution preparation, dropwise adding hexadecyl trimethyl ammonium bromide, gelling, drying, presintering and roasting. Using the preparation method for lithium battery anode material LiNi0.5Mn1.5O4 can avoid precipitate during sol-gel preparation, and the LiNi0.5Mn1.5O4 prepared by the method is small in particle size, high in crystallinity, high in initial discharging specific capacity and fine in circulating performance.

The invention discloses a duct piece reshipment device for a shield tunnel, comprising a walking trolley (3) arranged on a walking pathway (2), a drive mechanism used for driving the walking trolley (3) to move along the walking pathway (2), and a grabbing mechanism (4) capable of moving up and down, wherein the walking pathway (2) is arranged in a shield tunnel with a small diameter; the lower end of the grabbing mechanism (4) capable of moving up and down is connected with a duct piece (7) to be reshipped, and the upper end of the grabbing mechanism (4) is connected with the walking trolley (3). Due to rapid reshipment speed and high working efficiency, the duct piece reshipment device is particularly applicable to the shield tunnel with a small diameter.

The invention provides a synthesis method for preparing a carbon-coated CoTiO3 nanocrystalline material through MOF derivation. The synthesis method mainly comprises the steps of dissolving CoCl2.6H2Oand a ligand (trimesic acid, 2-methylimidazole or terephthalic acid) into a solvent (N,N-dimethylformamide, anhydrous methanol or anhydrous ethanol) and preparing cobalt-based MOF by using a Teflon reactor and a solvothermal method; dispersing the cobalt-based MOF into an anhydrous methanol solution, adding the anhydrous methanol solution of butyl titanate, and carrying out the solvothermal method once again to compound titanium oxide on the cobalt-based MOF to obtain a precursor; and finally carrying out alloying reaction in a closed manner by using a special stainless steel kettle under protective atmosphere and generating the carbon-coated CoTiO3 nanocrystalline material. The synthesis method is low in synthesis cost, mild in reaction condition and high in repeatability; the prepared nanocrystalline material is small in particle size, carbon coating on CoTiO3 nanocrystalline is uniform and the prepared carbon-coated CoTiO3 nanocrystalline material is good in electrochemical properties.

The invention discloses a platform for machining circuit breaker equipment. A bottom box is included, and a motor is arranged at the bottom of the bottom box; the output end of the motor is fixedly connected with a rotating shaft; the output end of the rotating shaft penetrates through an inner cavity of the bottom box and is fixedly connected with a first conical gear; and a second conical gear is engaged with the top of the first conical gear. Due to the fact that the bottom box, the motor, a baffle, a supporting rod, a workbench, a sliding sleeve, the rotating shaft, the first conical gear,the second conical gear, a supporting plate, a screw sleeve, a screw, a worm, a worm gear and a sliding rod are used in cooperation, the problem that an existing platform for machining circuit breaker equipment is fixed in height is solved; the platform for machining the circuit breaker equipment has the beneficial effect the height is adjustable, a user can perform height adjustment according tothe body height of the user himself / herself, the operation difficulty of the user is lowered, the work efficiency of the user is improved, use is convenient for the user, and practicability of the platform for machining the circuit breaker equipment is improved.

The invention discloses a multi-channel transcranial electrical stimulation device and a method adopted by the multi-channel transcranial electrical stimulation device. The multi-channel transcranialelectrical stimulation device comprises an upper computer module, an ARM control module, an FPGA waveform generating module and an analogue circuit module, wherein the ARM control module is mainly responsible for control data sent by the upper computer module, and transmits the control data to an RAM storage unit of the FPGA waveform generating module through a flexible static memory controller; the FPGA waveform generating module comprises a plurality of channels which are independent from each other, each channel is provided with a waveform generating module, each channel can independently generate waveform, and the control data obtained by the RAM storage unit can control the generation of the waveform of each channel; the parameters of each single channel can be adjusted under the multi-channel transcranial electrical stimulation, the current feedback is increased, and the stimulation current is stable.

The invention belongs to a process for manufacturing a carbon / carbon composite material, and particularly relates to a process for manufacturing a carbon / carbon composite material with a needling structure. The invention aims to provide a process for manufacturing a carbon / carbon composite material with a needling structure, which can adopt a pre-oxidized fiber as a raw material of a prefabricated member and has controllable size and large stretching strength. The process has the advantages that a relation between the contraction coefficient of a pre-oxidized fiber felt and a carbonization process parameter is mastered through fine control of a carbonization process after the pre-oxidized fiber felt and a carbon fiber felt are mixed according to a certain proportion, and the carbon fiber felt plays a certain limitation role of contraction in the carbonization process of the pre-oxidized fiber through content control of the carbon fiber felt, namely equivalently providing a carbonization traction force to the pre-oxidized fiber so as to play a role in improving the strength of the material.

A TFT LCD pixel construction is disclosed, the ring or polygonal TFT component is designed to gate, the via hole part of the pixel is also designed to the gate, the design can increase the W / L of the channel in condition of non-reducing the opening ratio, and increase the on-state current (Ion), the most important is it can limit the post stool (PS) adopted by current color filter.

The invention discloses a mixing device for silk-screen ink, which comprises a mixing tank. The top of the mixing tank is provided with a top cover, the middle part of the inner chamber of the mixing tank is provided with a threaded rod, the top of the threaded rod is connected with a rotating shaft, the top of the transmission is connected with a rotating motor, and the top of the threaded rod is fitted with a cleaning plate. Both sides of the inner chamber of the mixing tank are provided with fixed rods, and the bottom of the cleaning plate is provided with a stop block. The bottom of the threaded rod is connected with a stirring rod, the bottom of the mixing tank is provided with a base, the middle part of the bottom of the mixing tank penetrates the base and is connected with a discharge pipe, the bottom of the base is equidistantly connected to a pillar, the bottom of an exhaust pipe is provided with a condenser having a right side connected to a purifying tank, and the inner chamber of the purifying tank is provided with a spray pipe, absorbent and a screen in order from top to bottom. The mixing device has the advantages of cleaning the raw materials in the mixing tank, and solves the problem that the mixing equipment is not environment friendly.

The invention discloses a corn stigma peeling device, and belongs to the technical field of corn processing equipment. The corn stigma peeling device comprises a peeling barrel, a support barrel, a plurality of spikes and elastic components. The peeling barrel is of a barrel structure formed by a plurality of arc-shaped plates in an enclosed manner, the support barrel sleeves the peeling barrel, the upper end of the support barrel is connected with the upper ends of the arc-shaped plates, the corresponding spikes are arranged on the side, which is far away from the support barrel, of each arc-shaped plate and are connected with the arc-shaped plate, the end, which is close to the corresponding arc-shaped plate, of each spike is lower than the end, which is far away from the arc-shaped plate, of the spike, the multiple spikes are uniformly distributed on the arc-shaped plates, the elastic components are arranged between the support barrel and the arc-shaped plates, the end, which is close to the support barrel, of each elastic component is connected with the lower portion of the support barrel, and the end, which is close to the corresponding arc-shaped plate, of each elastic component is connected with the lower end of the arc-shaped plate. The corn stigma peeling device has the advantages that corn stigmas on corn cobs can be effectively removed by the corn stigma peeling device, accordingly, corn cob air drying effects can be improved for the corn cobs in stacking and air drying procedures in later periods, the problem of vulnerability to rotting and mildew of existing corn cobs due to the fact that water vapor can be easily stored in existing corn stigmas can be solved, and the shelf lives of the corn cobs can be prolonged.

The invention provides a high-rise building large-screen advertising board, and relates to the field of advertising boards. A support plate is fixedly connected to the surface of a base, an advertising frame is fixedly connected to the surface of the support plate through electro-welding, smooth transparent glass is embedded in the surface of the advertising frame, an inner ring plate is welded tothe surface of the advertising frame, a connection rod is welded to the surface of the support plate, an outer ring plate is fixedly connected to the surface of the connection rod, an annular slidingrail is arranged between the inner ring plate and the outer ring plate, and wheel grooves are formed in the inner wall of the outer ring plate and the surface of the inner ring plate. By adopting thehigh-rise building large-screen advertising board, static electricity is generated totally depending on wind drive, under the effect of the static electricity, dust nearby the advertising board is gathered and removed, the effect is achieved that the dust is removed without manpower and power consumption, and therefore the problems are solved that current high-rise advertising board are not convenient to clean, large potential safety hazards exist during manual cleaning, the cost is high, and mechanical cleaning not only consumes much energy but also cannot be conducted in time.

The invention discloses a cone down-the-hole mixing drilling tool which is used for a drill and particularly suitable for a large-diameter open-air drill. The cone down-the-hole mixing drilling tool comprises a connector which connects the drilling tool with a drill rod, the connector is of a hollow structure, a check valve assembly and a prepressing spring are mounted inside an inner cavity of the connector in sequence, the connector, a connecting sleeve, a cone palm and a cone are connected in sequence, an impactor is arranged inside the connecting sleeve, an air drain is formed between the inner side of the connecting sleeve and the impactor, one end of the impactor abuts against the prepressing spring, the other end of the impactor is connected with a percussion bit, one end, close to the prepressing spring, of the impactor is provided with an air inlet, an air distribution mechanism is arranged on the inner side of the connecting sleeve and used for distribution of high pressure gas of the cone palm and the impactor. The cone down-the-hole mixing drilling tool enables cone drilling to be combined with down-the-hole drilling, and has the advantages of a wide range of drilling diameters, low machine weight and high drilling efficiency. The invention further discloses a cone down-the-hole drill including the cone down-the-hole mixing drilling tool.

The invention relates to a yttrium-manganese-nickel perovskite type catalyst for preparing hydrogen by autothermal reforming of acetic acid. Aiming at the problem that an existing catalyst is inactivated in the autothermal reforming reaction of acetic acid, a hydrothermal method is adopted, Ni serves as an active component, a Y element is introduced, Ni is partially replaced with an Mn element, the mesoporous Y(Mn, Ni)O3 perovskite structure catalyst is formed, the dispersity and stability of the active component nickel are improved, efficient conversion of acetic acid is induced, and the novel catalyst with sintering resistance, carbon deposition resistance and high activity is obtained. The chemical component of the catalyst is (NiO)a(MnO2)b(YO1.5)c, wherein a ranges from 0.30 to 1.50, b ranges from 0.56 to 4.80, and c ranges from 0.35 to 0.52.

The invention discloses a manufacturing method for a conical box body structural member, and belongs to the field of structural member manufacturing. The method comprises the following steps that an upper cover plate, a conical box body plate, a ring, a rib plate group, a side sealing plate, a lower bottom plate, a bottom sealing plate and a small rib plate are provided; the conical box body plate, the ring and the rib plate group are correspondingly assembled to the front surface of the upper cover plate; welding seams among the conical box body plate, the ring, and the upper cover plate arewelded; the side sealing plate and the lower bottom plate are correspondingly assembled to the front surface of the upper cover plate; a welding seam between the upper cover plate and the rib plate group, a welding seam between the conical box body plate an the rib plate group, a welding seam between the ring and the rib plate group, a welding seam between the upper cover plate and the side sealing plate, a welding seam between the rib plate group and the side sealing plate, a welding seam between the ring and the lower bottom plate and a welding seam between the rib plate group and the lowerbottom plate are welded correspondingly; the bottom sealing plate and the small rib plate are correspondingly assembled and welded to the front surface of the upper cover plate, a conical box body main body structure is obtained, the bottom sealing plate covers the rib plate set, the large end of the bottom sealing plate is connected with the side sealing plate, and the small end of the bottom sealing plate is connected with the circumferential wall of the lower bottom plate; and the conical box body main body structure is annealed to form the conical box body structural member.

A torsional vibration damper or a rotationally elastic coupling comprises: an outer housing (11) including a flange (13); an inner part (12); a plurality of intermediate pieces (16) arranged around the inner part and forming a plurality of chambers (15) filled with a damping medium; a plurality of leaf spring assemblies (18) being arranged in said chambers and having outer end portions (21) engaging with receptacles (22) formed between neighbouring intermediate pieces (16) and inner end portions (23) engaging with the inner part; and a clamping ring (26) extending around the intermediate pieces (16) and the leaf spring assemblies (18). The receptacles (22) and the corresponding radially outer end portions (21) of the leaf spring assemblies (18) taper radially inwardly. The intermediate pieces (16) are formed integrally on a flange (13). The radially outer end portions (21) of the leaf spring assemblies (18) are urged radially into the receptacles (22) by the clamping ring (26, 26'). This configuration simplifies assembly of the damper or coupling and provides precise positioning of the leaf spring assemblies. Moreover, it is possible to obtain desired damping properties within narrow ranges of tolerance.

The invention discloses a sintered plate product collection tool and relates to the technical field of collection tools. The sintered plate product collection tool comprises a base. The sidewall of the upper portion of the base is fixedly connected with a support. The support is perpendicular to the base. The support is provided with an inverted-U-shaped sliding hole. The sidewall of the front surface of the support is fixedly connected with a pair of slide rails. The pair of slide rails are opposite up and down. A sliding plate is slidably connected between the pair of slide rails. The sliding plate is provided with a V-shaped sliding hole. The U-shaped sliding hole and the V-shaped sliding hole are slidably connected with a combined sliding block. The end, far away from the sliding plate, of the combined sliding block is fixedly connected with a fixed rod. The combined sliding block and the fixed rod are provided with through holes. A water inlet pipe is inserted into the through holes. The end, far away from the combined sliding block, of the fixed rod is fixedly connected with a mechanical hand. The sintered plate product collection tool carries high-temperature plates throughthe mechanical hand, cools the high-temperature plates in the transport process and greatly improves the plate processing efficiency.

The invention relates to a heat-insulation construction and energy conservation process for exterior walls. The scheme includes that the heat-insulation construction and energy conservation process includes particular steps of cleaning and processing base layers; adjusting control lines and hanging datum lines; adhering graphite and polystyrene foam plates; fixing SEPS (styrene-ethylene / propylene-styrene block copolymer) plates in an adhesion mode by the aid of a point-frame method or a strip adhesion method; constructing surface layers. The heat-insulation construction and energy conservation process has the advantages that the heat-insulation construction and energy conservation process is simple, and good heat-insulation effects can be realized; heat-insulation layers are made of graphite and polystyrene foam and are light and safe as compared with the traditional heat-insulation systems, the weights of the heat-insulation layers only account for 60% of the weights of the traditional molded plasticized polystyrene and thin plasticized polystyrene plastered systems, the thicknesses of the heat-insulation layers are equivalent to 50% of the thicknesses of the traditional plastered systems, and accordingly the purpose of saving energy by 65% can be easily achieved; the graphite and polystyrene foam has a fireproof function and is applicable to optional wall surfaces and wide in application range.

The invention relates to an accommodating intraocular artificial lens withvariable optical power, comprising two optical elements which are adapted to mutually shift in a direction perpendicular to the optical axis wherein the optical elements have such a shape that theyexhibit, in combination, different optical powers at different relative positions. Flanges are adapted to position the anterior section of the haptics in the sulcus ofthe eye, or, alternatively, the ciliarybodyis enclosed by a combination of anterior and posterior flanges. In addition, a number of methods are described to provide for an accommodating intraocular lens which is adjustable post-implant to ensure emmetropia ofthe eye.

The invention discloses a zip-top can recycling method which comprises the following steps: sorting: zip-top cans fall into a sorting mechanism from a feeding plate at the top of a frame body, the zip-top cans made of different materials are classified, aluminum zip-top cans fall into an aluminum collecting box body, and iron zip-top cans fall into an iron can body channel; cutting: a can body material cutting and separating mechanism can clamp the iron zip-top cans and cut off two ends of the iron zip-top cans, the two aluminum ends fall into the aluminum collecting box body, and iron can bodies slide along a can body sliding channel; shearing: the iron can bodies fall onto a horizontal placing platform, and a stable can body shearing mechanism shears each iron can body to form a gap andexpands the gap; and flattening: the sheared can bodies fall on a conveying belt, a can body flattening and overturning mechanism flattens the can bodies and conveys the can bodies forwards, and flattened iron sheets overturn and slide down to the conveying belt along an arc-shaped guide plate.

The invention discloses an auxiliary device of a medical ultrasonic imager, which comprises an ultrasonic imager, a device body, a probe cleaning mechanism, a drying box, an ultrasonic probe, a power line, a line arrangement mechanism and a coupling agent filling mechanism. The device body is assembled on the outer side wall of the ultrasonic imager, the probe cleaning mechanism is arranged in the device body. The drying box is arranged at the bottom end of the probe cleaning mechanism and communicated with the probe cleaning mechanism, the ultrasonic probe is electrically connected with the ultrasonic imaging instrument through a power line and assembled in the probe cleaning mechanism, and the line arranging mechanism is arranged on the side, away from the ultrasonic imaging instrument, of the probe cleaning mechanism. The end, away from the ultrasonic probe, of the power line penetrates into the line arranging mechanism and extends, and the coupling agent filling mechanism is assembled at the end, away from the power line, of the ultrasonic probe.

The invention discloses an automatic welding manipulator. The automatic welding manipulator comprises a machine frame base, wherein a machine frame left vertical plate and a machine frame right vertical plate are arranged on the machine frame base in parallel; a lifting mechanism is arranged between the machine frame left vertical plate and the machine frame right vertical plate, the lifting mechanism is connected to a bin body rear seat, a first air cylinder is arranged above the bin body rear seat, and the first air cylinder is connected to a top cover; a welding rod storage bin is connectedto the bin body rear seat, a clockwork spring disc is arranged inside the welding rod storage bin, an annular rail is arranged on the periphery of the clockwork spring disc, and a clockwork spring isarranged inside the clockwork spring disc; a push rod is arranged outside the clockwork spring disc, one end of the push rod is connected to the clockwork spring, the other end of the push rod is arranged on the annular rail, and a welding rod is arranged on the annular rail; and a fixed support is arranged on the side surface of the welding rod storage bin, a rotating mechanism is arranged on the fixed support, a conveying mechanism is arranged on the rotating mechanism, a mechanical claw and a supporting frame are arranged on the conveying mechanism, and a welding gun is fixed on the supporting frame. According to the automatic welding manipulator, the automatic welding can be realized, and the automatic welding manipulator has the advantages of being high in efficiency, low in cost andsafe to operate.

The invention relates to an airtight dual-power roller blind sealing cap which originates from the demand for an airtight sealing cap of a construction truck compartment. The main body of the airtight dual-power roller blind sealing cap comprises a roller blind barrel, a left [-shaped guide rail and a right [-shaped guide rail, wherein the roller blind barrel is installed on the front side of the compartment, the left [-shaped guide rail and the right [-shaped guide rail are fixed to the upper ends of the two sides of the compartment respectively, and a rolling mechanism is arranged in the roller blind barrel. A roller blind body can be made of waterproof cloth or a metal roller blind or engineering plastic so as to meet special demands. One end of the roller blind body is connected with the rolling mechanism, and the other end of the roller blind body is connected with a horizontal pushing frame erected between the left [-shaped guide rail and the right [-shaped guide rail. The horizontal pushing frame is connected with a power mechanism and a motion mechanism. The compartment is sealed in the way that the horizontal pushing frame is driven by the power mechanism to drive the roller blind body to move between the left [-shaped guide rail and the right [-shaped guide rail towards the rear side of the compartment, and the sealing cap can be opened in the way that the rolling mechanism drives the roller blind body and the horizontal pushing frame to rewind between the left [-shaped guide rail and the right [-shaped guide rail. The airtight dual-power roller blind sealing cap is simple in structure, light, easy to operate, complete in airtightness, easy to maintain, safe, reliable, stable in unwinding and winding operation, free of raised dust and dust leakage in the using process, and capable of limiting the overloading behavior and the limit exceeding behavior to some extent.

The invention relates to an airbag type shock-absorbing pad frame, which is arranged between the container of a container trailer and the frame of the trailer, including: an upper pad frame, on which the container is installed; a lower pad frame, which is installed on the On the trailer frame; a plurality of air bags, which are arranged between the upper pad frame and the lower pad frame, and connect the upper pad frame and the lower pad frame; and pipelines, which communicate with the air source and the plurality of between the airbags, and introduce the gas in the gas source into the plurality of airbags. The airbag type shock-absorbing pad frame effectively relieves the vibration of the container through the air bag arranged between the upper pad frame and the lower pad frame, and protects the goods in the container from being damaged.

The invention discloses a shaking device for preparing embolization microspheres capable of loading drugs. The shaking device comprises a shell and is characterized in that a placing groove is arranged inside the shell, two vertically arranged fixed rods are fixedly connected to the inner wall of the placing groove, a mounting groove is formed in the lower end of each fixed rod, a telescopic rod is inserted into each mounting groove, a spring is fixedly connected between each telescopic rod and the corresponding fixed rod, one ends, close to each other, of the telescopic rods are provided withvertical slide grooves, a connecting rod is inserted into each slide groove, one ends, close to each other, of the connecting rods are connected with sleeves, a placing tube is arranged in each sleeve, an iron block is connected to the lower end of each telescopic rod, electromagnets are fixedly connected to the inner walls of the placing groove and connected with the iron blocks in a matched manner, a motor is fixedly mounted at the bottom end of inner wall of the shell, a rotary disc is fixedly mounted at the output end of the motor, and the rotary disc is located below the placing tubes. When the shaking device is used, intermittent shaking can be achieved conveniently, and operation convenience and simpleness are achieved.

The invention relates to a fixture for unloading of a two-rigid one-flexible true triaxial tester and an assembly method of the fixture. The fixture comprises four press blocks, wherein the four pressblocks are respectively a first press block, a second press block, a third press block and a fourth press block, position control posts are arranged in grooves of the first press block, the second press block, the third press block and the fourth press block, the grooves of the first press block, the second press block, the third press block and the fourth press block are connected in an end-to-end way to form a square groove, a limitation baffle plate is arranged in the limitation baffle plate, and four surfaces of the limitation baffle plate is attached onto a surface of the control post. By the fixture, the defect of the fixture of the two-rigid one-flexible true triaxial tester in unloading experiment is made up, single-surface unloading can be achieved when the fixture is used for performing unloading experiment in a single direction, the limitation baffle plate can have a certain limitation constraint effect on a rock sample on the other surface corresponding to the limitation baffle plate, so that the damage behavior of the rock during the unloading experiment process can be more widely researched, and possibility is also provided for researching unloading destruction disaster of an engineering site.

The present invention pertains to foam cushion backings. More particularly, the present invention pertains to foam cushion backings suitable for use in carpets and carpet tile products. The present invention further pertains to foam cushion-backed carpet and carpet tile products. The present invention further pertains to methods of making such foam cushion backings and carpet and carpet tiles as described herein.