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24results about How to "Easy quality" patented technology

Vertical stepping lifting structure for tie beam of large-span channel-crossing tied-arch bridge

The utility model provides a large-span channel-crossing tied arch bridge tie beam vertical stepping lifting structure which comprises a plurality of lifting devices, each lifting device comprises a tie beam connecting device, a vertical threaded rod, a tie rod connecting frame, a hollow jack and a tie rod, and the lower end of the tie rod is connected to the tie rod connecting frame. The lower end of the hollow jack is connected with the upper end of the connecting sleeve, the lower end of the vertical threaded rod is connected with the straining beam connecting device, the upper end of the vertical threaded rod sequentially penetrates through the connecting sleeve and the hollow jack and then is connected with the upper suspension nut, and the vertical threaded rod is in threaded connection with the lower suspension nut. The lower hanging nut is used for being hung on the bottom wall so that the vertical threaded rod can be hung on the connecting sleeve. The lifting device has the advantages that the position of the straining beam can be conveniently and reliably lifted to meet the requirement, and the problem that the lifting cost is high due to the fact that a supporting platform is lapped in water to support lifting equipment to lift and lock the straining beam in the prior art is solved.
Owner:ZHEJIANG JINZHU TRANSPORTATION CONSTR

Traditional Chinese medicine composition for treating psoriasis as well as preparation method and application thereof

The invention relates to a traditional Chinese medicine composition for treating psoriasis as well as a preparation method and application thereof. The traditional Chinese medicine composition is prepared from the following raw materials: herba portulacae, radix sophorae flavescentis, cortex dictamni, honeysuckle flower, fructus kochiae, cortex phellodendri, cacumen biotae, radix paeoniae rubra and radix arnebiae seu lithospermi. The traditional Chinese medicine composition has the advantages of scientific and reasonable formula, synergistic interaction, few components and controllable quality. In the formula, the compatibility of monarch, minister, assistant and guide is scientific and reasonable, anti-inflammatory and immunoregulation compatibility of heat-clearing, blood-cooling and itching-relieving medicines can effectively remove pathogenesis and enhance the itching-relieving effect, the effects of anti-inflammatory, anti-proliferation and local vasoconstriction are achieved, the advantages of effect enhancement and toxicity reduction are achieved, and the risk of relapse can be reduced. Therefore, epithelial tissue repair is promoted, skin keratinization dynamic balance is maintained, relapse of psoriasis is effectively prevented, and pain of patients is reduced.
Owner:GENERAL HOSPITAL OF THE NORTHERN WAR ZONE OF THE CHINESE PEOPLES LIBERATION ARMY

Motorcycle brake handle

The utility model provides a motorcycle brake handle, and belongs to the technical field of brake handle structures. According to the brake handle of the motorcycle, through the design that the handle can be folded, when the motorcycle falls, the handle is collided and impacted, the handle is folded, so that the collision impact force is counteracted, and the problem that in the prior art, when the motorcycle falls, a brake handle of the motorcycle is easily damaged after being collided and impacted is solved. The motorcycle brake handle comprises a handle seat and a handle body, the handle seat is fixedly installed on a motorcycle, the handle body is hinged to the handle seat, the handle body can be folded, and the rotating direction of the handle body is different from the folding direction of the handle body. The handle comprises a first handle arm and a second handle arm; the first handle arm is hinged to the handle seat; the second handle arm is hinged to the first handle arm.
Owner:CHONGQING HENGJIAN MOTORCYCLE MFG CO LTD

Inner cavity template type inhaul cable anchoring system and mounting method thereof

According to the inner cavity formwork type inhaul cable anchoring system and the installation method thereof, more horizontal force and unbalanced force are borne through the multiple separated steel anchor box sections, vertical force is transmitted to the concrete tower wall, the mechanical characteristics of steel and concrete materials are fully considered, the tensile strength of a main tensile plate of the steel anchor box sections is exerted, and the tensile strength of the main tensile plate of the steel anchor box sections is improved. And meanwhile, a tower cable anchoring area is optimized into a steel tooth block and annular steel anchor box structure by utilizing an anti-pulling and non-shearing force transmission key, a traditional force transmission key and a rubber pad. According to the invention, the stress state of the tower wall can be effectively improved, the thickness of the tower wall is reduced, tower wall circumferential prestressed steel beams do not need to be arranged, meanwhile, the inner side size of the bridge tower is relatively regular, the construction is relatively convenient, the quality is easy to guarantee, the bridge tower can be used as a tower column inner film, the later welding construction is also convenient by arranging the steel tooth block structure, and the use and popularization values are relatively high.
Owner:中铁大桥勘测设计院集团有限公司武汉分公司

Processing device for rock-fill concrete oversized test piece

The utility model discloses a rock-fill concrete oversized test piece processing device which comprises a bin chamber, a pipe A and a cutting machine, a material piece is arranged in the bin chamber, the pipe A is arranged in the bin chamber, and the cutting machine is arranged on the material piece. The test piece block manufactured by the utility model is consistent with a prototype and can reflect actual conditions; the efficiency is improved; the process is simple, human intervention is small, and quality is easy to guarantee; meanwhile, due to the framework action of the rockfill body, the volume stability is good, and the quality of a large test piece cut, processed and formed by a rope saw is easier to guarantee; therefore, the preparation method disclosed by the utility model can be well suitable for forming the large test piece block of the rock-fill concrete.
Owner:GUIZHOU UNIV

Carbon fiber resin composite bulletproof plate and preparation method thereof

The invention relates to the technical field of carbon fiber resin composite plates, and particularly discloses a carbon fiber resin composite bulletproof plate and a preparation method thereof. According to the bulletproof plate, the mounting plates are arranged on the inner side of the first bulletproof plate and the inner side of the second bulletproof plate correspondingly, and the bulletproof plates comprise the first bulletproof plate, the second bulletproof plate and the mounting plates; piston cylinders are arranged at two ends of the rear surface of the first bulletproof plate; piston rods are arranged at two ends of the front surface of the second bulletproof plate; the first bulletproof plate and the second bulletproof plate are assembled through a piston rod and a piston head, and the bulletproof plate is obtained; the multiple pairs of bulletproof plates are assembled, disassembled and spliced through the locking devices, operation is easy and convenient, and time and labor are saved.
Owner:CHANGZHOU RONGXIN COMPOSITE MATERIAL CO LTD

A geometrically interlocked assembled underground continuous wall structure and construction method thereof

The present invention is a geometrically interlocked assembled underground continuous wall structure and a construction method thereof. The assembled underground continuous wall structure includes a plurality of single wall segments, a plurality of locking tube assemblies and a plurality of connecting steel cover plates. The plurality of single wall segments are assembled into an integral underground continuous wall through a plurality of locking tube assemblies and a plurality of connecting steel cover plates. The assembled ground-connected wall of the present invention can be designed parametrically and industrialized, and the quality is easy to ensure. The single wall segments can be freely divided according to the transportation and construction machinery of the project site, and the project has a wider applicability; it avoids the shortcomings of the complex construction process and long construction period of the cast-in-place underground continuous wall, can be quickly assembled and formed, has high construction efficiency, and shortens the construction period; the joints of adjacent single wall segments have continuous stiffness, the joints of adjacent wall widths are geometrically interlocked, and the joints and joints of the ground-connected wall assembled by the wall segments can maintain coordinated deformation, have better waterproof and anti-seepage effects, and have good application prospects.
Owner:CHINA CONSTRUCTION SIXTH ENGINEERING DIVISION CO LTD +1

Cantilever structure for side slope and construction method thereof

The invention relates to the technical field of building structures and foundation design, and discloses a cantilever structure for a side slope, which comprises a main cantilever steel beam and further comprises a reinforced concrete plane foundation arranged on the side slope, one end of the main cantilever steel beam facing the side slope extends into the reinforced concrete plane foundation, and the other end of the main cantilever steel beam faces the side slope. The reinforced concrete plane foundation is fixed in a foundation trench of a side slope through the anti-pulling anchor rod, the main cantilever steel beam and the reinforced concrete plane foundation are connected into a whole through studs arranged on the surface, one end of the anti-pulling anchor rod is inserted into the side slope, and the other end of the anti-pulling anchor rod is connected with the reinforced concrete plane foundation through an internal rib body. Plane foundation steel bars are laid in the reinforced concrete plane foundation. The invention further discloses a construction method of the cantilever structure for the side slope. According to the cantilever structure for the side slope and the construction method of the cantilever structure, the construction problems that the terrain on the side slope is steep and the operation space is narrow are effectively solved.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD

Scheme for solving power problem of new energy automobile by using electrolyzed water hydrogen-oxygen mixed gas internal combustion engine to drive generator

The invention discloses a scheme for solving power of a new energy automobile by driving a generator through an electrolyzed water hydrogen-oxygen mixed gas internal combustion engine, and belongs to a solution of a power source of the new energy automobile. Mixed gas of hydrogen and oxygen generated by water electrolysis enters a combustion chamber of the internal combustion engine and is ignited and combusted by a spark plug to expand to push a piston, and reciprocating piston motion is converted into circumferential rotation motion to drive a generator set to charge a battery pack to drive the generator set, so that a power source of a new energy automobile is provided. The core of the new energy automobile power solution scheme is that water is used for replacing fossil fuel to do work. Water resources on the earth are inexhaustible, the hydrogen-oxygen mixed gas generated by water electrolysis belongs to efficient fuel (superior to gasoline and diesel oil), meanwhile, water is still generated after the hydrogen-oxygen mixed gas is combusted and can be recycled, and zero pollution is achieved. According to the new energy automobile power solution, a lead-acid battery and a super capacitor are selected as power batteries for different product lines.
Owner:金山

Gas distributor

The utility model discloses a gas distributor which comprises a supporting ring, a container shell and a gas distribution plate, and the supporting ring is provided with a first end and a second end which are opposite to each other; one end of the container shell is open, a set of air inlet holes are formed in the other end of the container shell, the inner wall of the container shell is connected with the first end of the supporting ring in a welded mode, and the supporting ring and the air inlet holes are coaxially arranged. The gas distribution plate is welded to the second end of the supporting ring, a plurality of gas outlet holes are formed in the gas distribution plate, and an included angle smaller than 90 degrees is reserved between the axes of the gas outlet holes and the axis of the gas inlet hole; according to the gas distributor disclosed by the utility model, the gas outlet holes are provided with the flow channels with different inclination angles along different directions, and after fluid passes through the gas distribution plate, the fluid in different directions collides, rubs and stirs with one another to form vortex turbulent fluid, so that a medium is in full contact with an adsorbent, and the medium exchange is more thorough; meanwhile, the container shell is single in stress, local stress is greatly reduced, welding is convenient, the welding quality is easily improved, and the service life of the container shell is longer.
Owner:SICHUAN GANGTONG MEDICAL EQUIP GRP CO LTD

Synthesis method of lesinurad

PendingCN122079906AReduce cumbersome stepsIncreased cyclization yieldOrganic chemistrySemicarbazoneThio-
The invention relates to a method for synthesizing lesinurad, which comprises the following steps of: sequentially performing aldehyde-thiosemicarbazide condensation, cyclization, bromination and hydrolysis reaction on a compound 4-cyclopropyl naphthalene-1-formaldehyde as shown in a formula I serving as a raw material to obtain a compound lesinurad as shown in a formula V; according to the invention, a 1, 2, 4-triazole ring is constructed by an innovative strategy of aldehyde-thiosemicarbazide condensation-cyclization, so that tedious steps of a traditional step-by-step process are omitted, and the cyclization yield is increased from 85% to 92%; the method is mild in overall reaction condition, low in equipment damage, simple in process, green and environment-friendly, capable of ensuring continuous production of high-quality products and high in application value.
Owner:JIANGSU YUTIAN PHARM CO LTD

Recombinant escherichia coli strain cryopreservation solution as well as preparation method and application thereof

The invention discloses a recombinant escherichia coli strain cryopreservation solution as well as a preparation method and application thereof. The formula of the recombinant escherichia coli strain cryopreservation liquid comprises 200-500 g / L of glycerin, 20-100 g / L of cane sugar, 20-50 g / L of skim milk powder, 1-5 g / L of BSA, 4-8 g / L of sodium chloride and 1-5 g / L of vitamin C. The recombinant Escherichia coli strain cryopreservation liquid is used for preserving the recombinant Escherichia coli strain, the method has the advantages of simplicity and practicability in operation, long preservation time, stable and reliable strain quality and low preservation cost, and the recombinant Escherichia coli strain preserved according to the method disclosed by the invention is relatively high in protein expression quantity through strain recovery detection; therefore, the method has a good application prospect in freezing preservation of recombinant escherichia coli strains.
Owner:XIANGFU LABORATORY +1

Separated assembled pole structure and battery

The utility model relates to the technical field of batteries, and discloses a separated assembled pole structure which comprises a top cover plate, a pole upper section and a pole lower section, and the pole upper section and the pole lower section are formed in a split manner; the post terminal lower section penetrates through the top cover plate and is provided with an upper part extending above the top cover plate, the post terminal upper section is connected with the upper part, the post terminal lower section is provided with a lower part located below the top cover plate, and the post terminal upper section and the post terminal lower section are connected to form a post terminal; the separated assembled pole structure provided by the utility model has the following advantages: 1) the pole upper sections and the pole lower sections are formed in a split manner and are connected to form the pole, so that the assembling technology is simple, the assembling efficiency is high, and the surface is not damaged; (2) the quality of the pole is easier to guarantee; 3) the poles are assembled in a separated manner, the error-tolerant rate is higher, and when the over-current capability needs to be changed, only the width size or the length size of the upper sections of the poles needs to be changed; and 4) the polar column structure adopts a single polar column arrangement, so that the flatness of the polar column is easier to control.
Owner:DONGGUAN RUIDEFENG PRECISION TECH CO LTD

A vacuum heat treatment method for tubing encapsulated in 304 stainless steel tubing

PendingCN122279170AVacuum heat treatment implementationlow costMetal machiningEngineering
This invention belongs to the field of metal processing technology and aims to provide a low-cost vacuum heat treatment method specifically for pipe processing, solving the problems of high initial investment and high maintenance costs of general-purpose pipe vacuum heat treatment equipment. The method described in this invention involves vacuum-sealing the pipe to be treated in a device made of 304 stainless steel tubing, and then heat-treating the entire encapsulation device under normal pressure to achieve vacuum heat treatment of the pipe product. This method is characterized by low cost and ease of quality assurance. This invention can be used in processes such as vacuum furnace cooling, vacuum air cooling, and vacuum oil (water) quenching, and is particularly suitable for vacuum oil (water) quenching, effectively ensuring the transfer time from high temperature to room temperature.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Stacked and withdrawn type semicircular concrete hole combined mold and construction method

The invention discloses a folding and withdrawing type semicircular concrete hole combined mold and a construction method, and belongs to the technical field of concrete hole construction, and the folding and withdrawing type semicircular concrete hole combined mold comprises a hole type wood template, a hole type steel template, a supporting rod, a bottom plate, a hole type sliding rail rod and a moving box. The folding and withdrawing type semicircular concrete hole combined mold is scientific in design, reasonable in structure and convenient to use, cavities in folding and withdrawing type semicircular concrete can be eliminated through the mold, the appearance is complete, and the folding and withdrawing type semicircular concrete hole stable in quality and complete in appearance can be rapidly obtained through the mold; according to the construction method of the mold, overall operation is simple, convenient and fast, the power of the vibrating rod is regulated and controlled by setting the regulation and control coefficient TK and forming a corresponding control instruction, then the quality of the stack-retreat type semicircular concrete hole is guaranteed, and the final stack-retreat type semicircular concrete hole is free of cracks and cavities and complete in appearance.
Owner:SHANXI WUJIAN GRP CO LTD

A compound water turbine

The application relates to the technical field of energy-saving equipment, in particular to a composite power water turbine which is installed in a cooling tower air duct and comprises, from bottom to top, a water turbine body, a permanent magnet synchronous motor and a fan blade hub assembly; the water turbine body comprises a water inlet, a runner cavity, a runner body and a water outlet, the water inlet and the water outlet are both communicated with the runner cavity, and the runner body is arranged in the runner cavity; the permanent magnet synchronous motor comprises a main shaft, the bottom end of the main shaft is fixedly connected with a central shaft hole of the runner body, the top end of the main shaft is fixedly connected with a central shaft hole of the fan blade hub assembly, and the main shaft, the central shaft of the runner body and the central shaft of the fan blade hub assembly are coaxially arranged. The application has the effects that the system backwater residual pressure energy can be utilized, and when the system backwater residual pressure energy is lower than the required energy of the fan, the cooling tower temperature drop effect is not affected.
Owner:CHONGQING FEITAO TECH CO LTD

High-performance offshore wind power steel-UHPC combined pipe structure and manufacturing and construction method thereof

The invention discloses a high-performance offshore wind power steel-UHPC combined pipe structure and a manufacturing construction method thereof.The steel-UHPC combined pipe structure comprises a steel pipe and studs and further comprises a UHPC outer wrapping layer wrapping the steel pipe from the outer side, the outer surface of the steel pipe is connected with the studs in a welded mode, the UHPC outer wrapping layer is fixedly connected with the steel pipe through the studs, and the UHPC outer wrapping layer is fixedly connected with the steel pipe through the studs. A rib net of a net structure is further arranged in the UHPC outer wrapping layer, the rib net is connected with the studs through spot welding or binding, and the steel pipe, the studs, the UHPC outer wrapping layer and the rib net form a steel-UHPC combined pipe structure used as a pipe pile or a jacket foundation or a tower drum or an anti-collision component or a cable tying component. The durability and bearing capacity of the wind power structural component can be effectively improved, the reliability of the wind power structure is improved, the service life is prolonged, and the maintenance cost is reduced.
Owner:GUANGZHOU DINGXING CIVIL ENG TECH CO LTD +2

Replaceable intelligent tunnel composite lining structure and tunnel

The invention provides a replaceable intelligent tunnel composite lining structure and a tunnel. The composite lining structure comprises a first lining layer, a second lining layer and a third lining layer which are sequentially arranged, the third lining layer comprises a plurality of first segment rings and a plurality of second segment rings, each first segment ring comprises a first segment ring main body part with a first notch and a first bottom sealing block set clamped in the first notch, and each second segment ring comprises a second segment ring main body part with a second notch; each second segment ring comprises a second segment ring main body part with a second notch and a second bottom sealing block set clamped in the second notch, the first segment ring main body parts and the second segment ring main body parts are each of a splicing structure, and the multiple first segment ring main body parts and the multiple second segment ring main body parts are alternately spliced in the extending direction of the tunnel; the first bottom sealing block sets and the second bottom sealing block sets are alternately arranged, and the adjacent first bottom sealing block sets and second bottom sealing block sets are arranged at intervals. According to the composite lining structure provided by the invention, the damaged block section can be quickly replaced, and effective reinforcement is realized.
Owner:CENT SOUTH UNIV

A lifting device and control method suitable for four-point lifting of prefabricated pipe piles

The present invention discloses a lifting device and control method suitable for four-point lifting of prefabricated pipe piles, wherein the lifting device comprises a steel frame, a lifting rope, a lifting cable, a steel rod and a control system, one end of a lifting rope is fixedly connected to each of the four corners of the top of the steel frame, two fixed pulleys are installed at intervals in the middle of the steel frame, a lifting cable is installed on each fixed pulley, and the two ends of the lifting cable are respectively connected to the steel rod, one end of which is located on the inner side of the prefabricated pipe pile, and the steel rod is used to penetrate the reserved hole of the prefabricated pipe pile, and its two ends are located on the outer side of the prefabricated pipe pile, and the steel rod is arranged parallel to the steel frame; the control system comprises a control console, a wireless transmitter, two strain sensors and a high-precision real-time inclination sensor, and the control console is connected to the two strain sensors and the high-precision real-time inclination sensor through the wireless transmitter. The lifting device and control method of the present invention can solve the problems of excessive local stress of pipe piles caused by traditional two-point lifting, huge temporary lifting facilities, and the inability of pipe piles to remain stable and vertical during lifting and assembly.
Owner:GUANGXI TRANSPORTATION SCI & TECH GRP CO LTD +1

Steel structure sliding support

The utility model discloses a steel structure sliding support, and particularly relates to the technical field of sliding supports, the steel structure sliding support comprises an upper support and a lower support, the top end of the lower support is provided with a spherical groove, a spherical polytetrafluoroethylene plate is arranged in the spherical groove, the top of the spherical polytetrafluoroethylene plate is provided with a middle spherical plate, the top end of the middle spherical plate is provided with a plane groove, and the plane groove is provided with a plane. A plane polytetrafluoroethylene plate is arranged in the plane groove, a stainless steel plate is arranged on the top of the plane polytetrafluoroethylene plate, and the stainless steel plate is fixed to the bottom end of the upper support. The sliding support is composed of the lower support, the upper support, the spherical polytetrafluoroethylene plate, the middle spherical plate, the planar polytetrafluoroethylene plate and the stainless steel plate, the sliding support can achieve the purpose that only vertical constraint is transmitted, machining, manufacturing and mounting are convenient, different construction from a main body structure can be achieved, a rear seat can be reserved, the construction period is shortened, the quality is easy to guarantee, and the construction cost is reduced. And the embedded parts, the anchor bars and the shear keys are used for reinforcement, so that the stability of the whole sliding support can be improved.
Owner:CHINA CONSTR SECOND ENG BUREAU SHENZHEN SOUTHERN CONSTR INVESTMENT CO LTD +1