170results about How to "Reduce length requirements" patented technology

The present invention provides improved ingress of therapeutic and other moieties into cellular targets. In accordance with preferred embodiments, complexes are provided which carry primary moieties, chiefly therapeutic moieties, to such target cells. Such complexes preferably feature cell surface receptor ligands to provide specificity. Such ligands are preferably bound to primary moieties through polyfunctional manifold compounds.

The invention discloses an intelligent auxiliary parking method, which comprises the following steps of: planning parking paths in two parts, wherein in-space regulation paths are planned, and then storage paths are planned; and providing a human-computer interaction interface, receiving the intention of a driver, and displaying parking information. An intelligent auxiliary parking system for implementing the method comprises an environment sensing unit, a path planning unit, a driving control unit and a human-computer interface unit, which are in communication contact with one another. A vehicle can be guided into a parking space from any starting position, so that the number of times of pivot steering and changes in forward and backward movement of the vehicle in a parking process can be reduced; and under a parallel parking condition, a proper parking space can be selected according to the maximum permissible number of in-space regulation set by the driver, so that the requirements of the vehicle on the length of a parallel parking space are lowered.

The invention provides an electric pressure cooker realizing simple and convenient cover opening operation. The electric pressure cooker comprises a cooker body, a cooker cover and a fastener, wherein the fastener comprises a movable clamp arranged on the cooker cover and a buckle piece positioned on the cooker body, the cooker cover is buckled to the cooker body through the fastener, the cooker cover comprises a lock cover and a liner, the lock cover rotates to realize the locking and unlocking of the lock cover and the cooker body, the cooker cover is further provided with a rotation base and a shift fork part linked to the rotation base, the rotation base drives the lock cover to rotate through the shift fork part, the rotation base is provided with a trigger part, the liner is provided with a rotation drive part positioned between the trigger part and the movable clamp, the rotation base drives the lock cover to rotate to the unlocking position, meanwhile, the trigger part triggers the rotation drive part, the rotation drive part pushes the movable clamp, and the movable clamp is separated from the buckle piece, so that the cooker cover is opened. According to the electric pressure cooker, the shift fork part drives the lock cover to rotate, when the lock cover rotates to the unlocking position, cooker teeth are staggered from cover teeth, meanwhile, the movable clamp is triggered, then the cooker cover is opened, the cooker cover is opened only through one rotation step, and thus the use by a user is facilitated.

The invention discloses a packaging method for high-capacity polymer lithium ion cells. The packaging method comprises the following steps: (1) a bag is formed from at least one of two aluminum plastic films by stamping; when the thickness of a cell is smaller than 6 mm, one bag is formed from one aluminum plastic film by stamping, and when the thickness of a cell is larger than or equal to 6 mm, bags are formed from the two aluminum plastic films by stamping; (2) the cell is loaded into an opening of the bag formed from one aluminum plastic film by stamping, and the opening of the bag is correspondingly covered with the other aluminum plastic film; (3) three edges of the cell are sealed in a hot manner with seal heads. With adoption of the packaging method for the high-capacity polymer lithium ion cells, the breakage rate of the aluminum plastic films is reduced, the aluminum plastic film use efficiency is increased, and electrical performance of the high-capacity polymer lithium ion cells can be guaranteed effectively; the packaging method is simple to operate.

The invention relates to a coaxial four-reflector ultra-low distortion optical system, which comprises a primary mirror, a secondary mirror, a third mirror, a fourth mirror, a plane mirror and a receiving image plane, wherein optical axes of the primary mirror, the secondary mirror, the third mirror, the fourth mirror and the plane mirror are in a same straight line; the plane mirror is located between the third mirror and the fourth mirror; the primary mirror and the secondary mirror constitute a classical R-C system and form a primary real image, which continues imaging when passing through the third mirror and the fourth mirror and deflects to the receiving image plane through the plane mirror; the primary mirror, the secondary mirror and the third mirror constitute a coaxial TMA system and assume most of focal power; the fourth mirror assumes smaller part of focal power, accounting for 10-20% of the total focal power, in the imaging of the optical system; and an aperture diaphragm of the optical system is located on the primary mirror and the fourth mirror is placed at an exit pupil of the system. The optical system of the invention can be used to realize high image quality, low distortion and high stability and greatly reduce the processing difficulty of a large-aperture primary mirror and is suitable for high-precision satellite-borne stereo mapping cameras.

The invention discloses a carrier synchronizer for demodulating low signal-to-noise ratio burst signals. The carrier synchronizer comprises an input cache module, an initial frequency deviation estimation module, a frequency deviation partition preset module, N two-way capture tracking modules, N unwrapping phase ambiguity and soft de-mapping modules, an iterative decoding module and an optimal judgment module. Each two-way capture tracking module corresponds to one unwrapping phase ambiguity and soft de-mapping module. Initial frequency deviation is estimated based on preceding heads of the burst signals, then, after an initial frequency deviation estimation result is preset in a partition mode, two-way capture tracking is utilized to conduct carrier synchronization, the optimal judgment module selects an optimal carrier to conduct synchronous output according to judgment soft information statistical values output by the iterative decoding module, and eventually the iterative decoding module conducts decoding on the carrier and outputs a final result. By the adoption of the carrier synchronizer, optimization design is conducted on burst signal carrier synchronization under the low signal-to-noise ratio, and the problem of low signal-to-noise ratio carrier synchronization of TDMA system communication is solved.

The present invention provides an aircraft having variable airframe geometry for accommodating efficient flight. The aircraft includes an elongated fuselage, an oblique wing pivotally connected with said fuselage, a wing pivoting mechanism connected with said oblique wing and said fuselage, and a brace operably connected between said oblique wing and said fuselage. The present invention also provides an aircraft having an elongated fuselage, an oblique wing pivotally connected with said fuselage, a wing pivoting mechanism connected with said oblique wing and said fuselage, a propulsion system pivotally connected with said oblique wing, and a brace operably connected between said propulsion system and said fuselage.

The invention discloses an artificial aneurysm neck and a production method thereof. The artificial aneurysm neck comprises a tubular outer wall and a tubular inner passage arranged in the outer wall, the inner passage is of a hollow structure, and two ends of the inner passage are hermetically connected with the outer wall. The outer wall or / and the inner passage is composed of a tubular tectorial membrane and a metal support arranged on the surface of the tubular tectorial membrane. The artificial aneurysm neck is guided to a normal aorta at the near end of a lesion position and then released during operation, the metal support supports the tectorial membrane on the wall of a normal blood vessel, and fitting between the artificial aneurysm and the normal blood vessel is guaranteed; a tectorial membrane support is enabled to isolate aneurysm from blood flow in a blood vessel cavity, and a blood flow passage of the aorta and branched blood vessels is built; due to using of the artificial aneurysm neck, requirements on structure of the tectorial membrane support are lowered, the artificial aneurysm neck can be realized through a straight-tube tectorial membrane support, requirements on length of the aneurysm neck are low, the artificial aneurysm neck is suitable for cases with extremely short aneurysm necks, production process is simplified obviously, processing cost can be lowered, and production efficiency can be improved.

The invention discloses a balanced transition circuit of a microstrip-substrate integrated waveguide based on probe feeding. The transition circuit comprises a first dielectric substrate, a second dielectric substrate, a third dielectric substrate, a first metal paster, a second metal paster, four input / output transmission lines and four resonators, wherein first metallized through holes are formed in the second dielectric substrate and the third dielectric substrate to form a substrate integrated waveguide; the first metal paster forms ground of the input / output transmission lines; the resonators are arranged on the upper surface of the third dielectric substrate; the second metal paster forms ground of the substrate integrated waveguide; and four second metallized through holes penetrate through the first dielectric substrate, the first metal paster and the second dielectric substrate. The input / output transmission lines are fed into the substrate integrated waveguide by the second metallized through holes and the resonators at half-wavelength distances, so that a differential signal passes through and a common mode signal is inhibited; and the resonators and the bottom surface of the substrate integrated waveguide arranged below form equivalent capacitance, so that a requirement for the length of a probe is reduced, a requirement for the thickness of the substrate integrated waveguide is reduced, and the thickness of the circuit is reduced.

The invention discloses a shaver head and an assembling method thereof. The shaver head comprises a shell, a clamping piece and a shaving blade, wherein the shell is provided with a front edge, a rear edge, a side edge and a through hole positioned between the front edge and the rear edge; the shaving blade is assembled on the side edge along the first direction and is stopped by the side edge; the through hole sequentially comprises a connecting hole and a counter bore along the first direction; the counter bore is connected with the connecting hole; a step structure is arranged between the connecting hole and the counter bore in a surrounded manner; the clamping piece comprises an abutting pressing section, an inserting section and a twisting section; the abutting pressing section stretches across the shaving blade; the inserting section is bent relative to the abutting pressing section; the twisting section is connected with the inserting section and is positioned in the counter bore and in front of the inserting section; the twisting section and the inserting section in the connecting hole are staggered from each other; the twisting section is also abutted to the step structure; the inserting section can be downwards tightened by the twisting section; the abutting pressing section is abutted to and pressed against the shaving blade along the first direction when the inserting section is tightened by the twisting section; and the shaving blade is clamped between the abutting pressing section and the side edge, so that the shaving blade is clamped reliably, and the utilizing efficiency of the clamping piece is high.

The invention discloses a compact long focal length four-mirror telescope objective. According to the incident direction of light, the telescope objective is composed of an elliptical main mirror, a hyperboloid secondary mirror, an elliptical third mirror, an elliptical fourth mirror, a plane mirror and a focal plane in order. The main mirror, the secondary mirror, the third mirror and the fourthmirror are in a main optical axis symmetrical structure, and view field imaging without secondary masking face is formed. An aperture diaphragm is located at the main mirror, and the fourth mirror islocated at a primary real image formed by the main mirror and the secondary mirror. After incident light from a scene is reflected by the main mirror and the secondary mirror, an intermediate real image is formed in front of the third mirror. After the light is reflected by the third mirror and the fourth mirror, the light passes through the center hole of the third mirror without block, and the light is imaged at the focal plane through a plane mirror turning optical path. According to the invention, view field imaging without secondary masking face is realized by reasonably controlling the exit pupil position and the distance between the mirrors; and the system has the advantages of long focal length, long short barrel, small size, compact structure, good imaging quality, low processingcost and the like, and meets the needs of light and small optical systems in imaging fields such as space remote sensing video cameras and imaging spectrometer front objectives.

A non-inductive coil for a high-temperature superconducting resistance-type current restrictor includes a non-inductive cake-type bobbin consisting of a glass reinforced plastic ring (1) and a red copper connection sheet (5). The glass reinforced plastic ring (1) has an arch-shaped slot (2) with a length equal to the effective length l of the outer arc surface of the red copper connection sheet (5); the red copper connection sheet (5) is embedded in the slot (2); and the outer arc surface of the red copper connection sheet (5) is on the same annular surface of the outer arc surface of the glass reinforced plastic ring (1). Two coil clamp plates (19) are concentrically fixed on both sides of the non-inductive cake-type bobbin through countersunk screws. One ends of two equal-length parallel-wound superconducting tapes are superposed and aligned, and are welded on the red copper connection sheet (5) of the non-inductive cake-type bobbin at the same time. The two superconducting tapes are wound in parallel in the same direction, and a spacer layer is laid on the inner side of each superconducting tape in the same direction. Two lead terminals are fixed on one side of the coil on the outer edge of the lower coil clamp plate (19), and two superconducting tapes are respectively soldered on the corresponding lead terminals. The upper coil clamp plate is concentrically fixed on the upper side of the non-inductive cake-type coil through countersunk screws.

A clamp body includes a first clamping member and a clamping seat that are integrally formed together, a pivot hole formed in the clamping seat, and a second clamping member pivotally connected to the pivot hole. Also included are an elongated through hole formed in the first clamping member, a circular arc wall extending from the elongated through hole and gradually shallowing from a depth, a position-limiting axle between inside wall surfaces of the second clamping member, a tightness adjusting assembly including a rounded-head pushing rod, and a rotation assembly for coupling the clamp body and the holder. As such, the clamp body that has one arm to fix and one arm to move could improve stability of clamping. The arrangement of the elongated through hole and the circular arc wall gradually shallowing from a depth is used to reduce a size of the tightness adjusting assembly projecting to outside.

The invention relates to a novel vascularized tissue-engineered bone which comprises a cylinder support material, two internal axially-preset circular tunnels and arteriovenous blood vessel peduncles. The cylinder support material is a medical absorbable material, the two internal axially-preset circular tunnels are parallel to each other, an outlet circular chamfer is arranged at an outlet, and human or animal osteogenic induction stem cells are evenly distributed inside the circular tunnels. The arteriovenous blood vessel peduncles comprise arteries, veins and arteriovenous grafts, the arteries, the veins and the arteriovenous grafts are arranged on receptor blood vessel peduncles, the arteriovenous blood vessel peduncles are arranged in the support material and are arranged in parallel in a separated mode, and distal blood vessels are anastomosed or ligatured. According to the novel vascularized tissue-engineered bone, the tissue-engineered bone can be vascularized fast, fully, safely and effectively after transplantation, the clinical effects are effectively improved, good nutrition supply and the good metabolism environment are provided for transplanted cells, the osteogenic activity of the tissue-engineered bone after transplantation is promoted, and the wide clinical application of the grafts of the tissue-engineered bone is promoted.

A control method of integrated setting of on-board and off-board stop station of bus and taxi sequentially arranges a taxi off-board stop station, a bus on-board and off-board stop station and a taxi off-board stop station in a first traffic lane adjacent to a traffic lane, among which interweaving control areas A and C are arranged; a second traffic lane in the outside of the first traffic lane is used as a passable lane; a third lane and a fourth lane in the outside of car lane separation strip are respectively provided with a bus home waiting area and an idle load car queue waiting area; the downstream of the interweaving control area A is provided with a car guest-expecting waiting area and the next are the interweaving control area C and a vehicle departure passable lane; each interweaving area is provided with a signal lamp control facility; the green lamp time length is determined by signal modulated control based on the car on-board and off-board time and the time when the vehicle passes through the interweaving control area. The invention reduces the length of lane occupied by the bus and taxi on-board and off-board stop stations, obviously reduces passenger on-board and off-board traffic impact and safety danger and the influences to the traffic capacity of the lane.

A time division duplex framing method for the physical layer of a wireless system, wherein each frame includes a plurality of DPCH short frame structures and at least one CCPCH short frame structure. The short frame structure of each DPCH can be allocated to uplink or downlink, and contains a plurality of time slots, and the number of the time slots can be determined by the number of pulses of an LA code, the time slots The length of the slot varies with the pulse interval of the LA code, and each time slot can be modulated by a selected orthogonal spreading code. The short frame structure of the CCPCH may be allocated to the downlink in the even / odd frame, and allocated to the uplink in the odd / even frame. The method of the invention can greatly reduce adjacent cell interference (ACI), the requirement for the number of spreading codes, and the requirement for the length of spreading codes in a wireless system. At the same time, it can ideally support mobile IP services.

The invention relates to an ultrashort base line magnetic declination measuring method based on a gyro theodolite. The main technical characteristics are as follows: erecting a magnetic theodolite and a gyro theodolite respectively on a primary measuring point and an auxiliary measuring point on a base observing line, centering and leveling respectively, then aiming at each other by telescopes, and locking the telescopes of the magnetic theodolite and the gyro theodolite still; using the sight axis of the magnetic theodolite and the gyro theodolite as the aiming direction of the geodetic azimuth and magnetic declination of the base observing line; measuring the geodetic azimuth alpha of the base observing line; measuring the magnetic azimuth alpham of the base observing line; and calculating the magnetic declination D of the base observing line. By adopting the method of aiming the magnetic theodolite and the gyro theodolite with each other, the centering error is greatly reduced, the length requirement of the base observing line is lowered, the measurement of magnetic declination can be relatively suitable for being used performed on an island reef with the small area and insufficient effective sight distance, the measuring precision is ensured, and the problem of measurement of the magnetic declination of an ultrashort base line is effectively solved.

The invention discloses a wool drafting and thinning technique. The wool drafting and thinning technique comprises the following steps of: pre-treating raw wool to obtain a wool fiber aggregate of which the wool fibers have drafting performance, and then performing drafting, thinning and shaping to obtain the drafted and thinned wool, wherein the wool fiber aggregate is subjected to colloid cladding after the pretreatment and before the drafting and the thinning; and the colloid is not chemically reacted with the wool, has elasticity and tensile strength, and is easy to clean. By the wool drafting and thinning technique, because the colloid perfectly holds the wool fibers, the fibers can be efficiently drafted, and further, mechanical damage to the fibers is reduced during the drafting process; and when a fiber breaks in some point, a drafting effect of other parts of the fiber is not affected, the phenomenon of non-uniformity of fibers of an inner layer and an outer layer can not be caused, the length requirement for the raw material fibers is low, and even, short fibers can be effectively drafted and thinned.

The invention discloses a steel bar connecting piece, a connecting method, a connecting connector and a special extrusion die. The connecting piece comprises an arc steel plate section, a first steel plate section and a second steel plate section, wherein the first steel plate section and the second steel plate section are connected to two arc edges of the arc steel plate section correspondingly. The connecting connector comprises connecting ends of a steel bar A and a steel bar B and connecting pieces wrapping the connecting ends of the steel bar A and the steel bar B, wherein the connecting ends lean against each other in parallel, and a lap joint overlapping section is formed; and the inner surfaces of the connecting pieces and protruding ribs on the surfaces of the steel bars are closely engaged together, and contact faces between the steel bar A and the steel bar B are pressed mutually and engaged. The steel bar connecting piece, the connecting method, the connecting connector and the special extrusion die are supplementation of the steel bar connecting technology, and application of the steel bar connecting piece, the connecting method, the connecting connector and the special extrusion die to connection of the steel bars has the beneficial effects that safe reliability of high connecting strength is achieved, the economical efficiency of low construction difficulty and time and labor saving during operation is achieved, and the application range is wide.

Provided is a coaxial three-mirror zooming optical system based on photoisomerization materials. The coaxial three-mirror zooming optical system based on the photoisomerization materials comprises a primary mirror, a secondary mirror, a tertiary mirror and a caliber-variable diaphragm, wherein the caliber-variable diaphragm is located at a system exit pupil position in a short focal length mode, a system aperture diaphragm is arranged on the primary mirror, a classic R-C optical system is formed by the primary mirror and the secondary mirror, radiation light beams of a target scenery are converged by the primary mirror and the secondary mirror to form a middle real image, and the middle real image is imaged on the focal plane of the optical system through the tertiary mirror. According to the coaxial three-mirror zooming optical system based on the photoisomerization materials, the primary mirror, the secondary mirror and the tertiary mirror are made of the photoisomerization materials, changes of coefficients of aspheric surfaces of the mirrors are controlled through the material characteristics of the coaxial three-mirror zooming optical system in the zooming process of the coaxial three-mirror zooming optical system, and finally the coaxial three-mirror zooming optical system can have both the advantages of being large in focal length and high in resolution, and the advantages of being short in focal length and wide in field of view only through the changes of the coefficients of the aspheric surfaces of the mirrors and slight adjustment of the mirror spacing under the condition that the radii of curvature of all the mirrors of the optical system are unchanged.

The invention discloses a white paint spraying machine, with high lifting efficiency, for a trunk. The white paint spraying machine comprises a motor vehicle. A working arm is arranged at the front part of the motor vehicle. A spraying barrel assembly is arranged at the front end of the working arm, and comprises a left half barrel and a right half barrel, which can be opened or closed. When the left half barrel and the right half barrel are closed, the trunk is clamped between the left half barrel and the right half barrel to be sprayed with paint. A lifting mechanism is arranged between the working arm and the front part of the motor vehicle, and comprises an outer lifting cylinder, an inner lifting cylinder and a lifting cylinder. One of the outer lifting cylinder and the inner lifting cylinder is connected with the front part of the motor vehicle, and the other one is connected with the working arm. The lifting cylinder drives the outer lifting cylinder and the inner lifting cylinder to relatively move in the vertical direction. The white paint spraying machine has the advantage that the efficiency is higher when the working arm ascends or descends.

The invention discloses an embedded compound spinning frame. Two layers of unwinding brackets and four parallel unwinding rollers are arranged on an upright post of a creel; the unwinding rollers positioned on the same side of the unwinding brackets mutually drive and are connected by a vertical driving pair of the unwinding rollers; and at least one unwinding roller in the unwinding rollers on the same side of the unwinding brackets is in driving connection with a front roller of a drawing mechanism through an unwinding roller driving device. When in spinning, two rovings hung on the creel respectively enter a drawing area of the drawing mechanism in parallel through roving horn mouths for drawing; two unwound filaments roll from different unwinding rollers and respectively enter the rear side of a tong port of the front roller of the drawing mechanism through a filament guider; and the two filaments and two drawn rovings are combined on the rear side of the tong port of the same front roller, output and twisted from the front side of the tong port of the front roller and wound on a spinning tube of a spindle. The invention not only can conveniently spin short fibers and other low-grade raw materials, but also has the advantages of abundant yarn type structures, dry resultant slivers and superior filoplume indexes.

The invention provides a throttling element, a differential pressure type pulmonary function parameter monitoring device and a flow rate confirming method. The porous throttling element comprises a pipe and a throttling porous plate, wherein an airflow channel is formed via the pipe; the throttling porous plate is arranged in the pipe, and the throttling porous plate comprises a plurality of firstcomponents and a plurality of second components; the plurality of first components are distributed in a mode of being coaxial with the pipe; the plurality of second components are distributed in thepipe in a radial form; therefor, a plurality of tubular throttling holes are formed in the airflow channel via the plurality of first components and the plurality of second components. The throttlingelement, the differential pressure type pulmonary function parameter monitoring device and the flow rate confirming method provided by the invention are simple in structure and low in cost; a requirement on the length of a straight-pipe section is reduced and a measuring range is widened; vortex, which appears under a high-flow-rate condition in an expiration / inspiration process, is effectively improved; airflow balance is realized; and repeatability and reliability are improved.

The invention discloses a transverse segmental prefabricated prestressed concrete bent cap structure and an assembling method thereof. The transverse segmental prefabricated prestressed concrete bentcap structure comprises a bent cap body and prefabricated stand columns. The bent cap body comprises a plurality of prefabricated sections spliced in the transverse direction; a hole through which a steel strand penetrates is reserved in each prefabricated section; every two adjacent prefabricated sections are connected through a wet joint section; an upper profile steel lap joint structure and alower profile steel lap joint structure which are matched with each other are pre-buried in the joint surfaces, close to the two sides of the wet joint section, of every two adjacent prefabricated sections respectively; the transverse steel bars on the top face, the bottom face and the vertical face of each prefabricated section extend into the range of the corresponding wet joint section, and thetransverse steel bars of each prefabricated section and the transverse steel bars of another adjacent prefabricated section are arranged in a staggered lap joint mode. The small-tonnage segmented prefabricated assembly of the large-volume prestressed concrete bent cap is achieved, stress of the bent cap structure can be better ensured, the structure quality is improved, and the construction speedis increased.

A framing method and its synchronous wireless system, wherein the method includes the step of: dividing the data flow into frames according to the frame length, wherein the number of subframes in each frame can be determined by the periodicity of the selected LA code. Each subframe is formed by a plurality of time slots, wherein the number of time slots can be determined by the number of pulses of the LA code, and the length of the time slot varies with the pulse interval of the LA code. and fill each slot by modulating with a selected orthogonal spreading code. Different base stations from different adjacent cells should be assigned different LA-CDMA codes, so that the adjacent cell interference can be reduced. But in adjacent cells, the same spreading code can be assigned. Therefore, the requirements on the number of spreading codes and the length of spreading codes are greatly reduced.

The invention relates to the technical field of geotechnical engineering anchoring, in particular to a recoverable inflatable umbrella support type air bag anchor rod and a using method thereof. The anchor rod comprises a hollow anchor rod body, a base plate and an inflation device are mounted at the top of the anchor rod body, the bottom of the anchor rod body comprises a square anchor head, a linkage structure is arranged on the square anchor head, an air bag is wrapped around on the outer side of the anchor head and the outer side of the linkage structure, an annular connecting lantern ring and an annular connecting piece are arranged on the side, close to the square anchor head, of the anchor rod body, air inlet holes are formed in the anchor rod body on the inner side of the air bag, a spring clamping piece for positioning the annular connecting lantern ring is arranged on the anchor rod body, the outer side of the anchor rod body is sleeved with an auxiliary jacking pipe, and a flexible brace is fixed on the annular connecting lantern ring. According to the recoverable inflatable umbrella support type air bag anchor rod and the using method thereof, the end resistance of the anchor rod is increased through umbrella support reaming, the air bag further extrudes the soil body at the end after being inflated and expanded, secondary reinforcement is achieved, and then the stress of the anchor rod is increased; and meanwhile, gas injection and grouting can both be used, and when gas injection cannot be conducted, gas injection can be replaced with grouting for secondary reinforcement.

The invention discloses a semi-grouting sleeve assembly of a precast beam steel connection of cast-in-place beam column joints and an application thereof. The semi-grouting sleeve assembly comprises asemi-grouting sleeve and an integral nut bolt, wherein the integral nut bolt is connected with the semi-grouting sleeve. The semi-grouting sleeve comprises a straight cylindrical body, one end of thestraight cylindrical body is a threaded end provided with an internal thread, the other end is a grouting end, and the outer end opening of the grouting end is used to insert a horizontally longitudinal rebar of a prefabricated laminated beam. The integral nut bolt includes a body and internal and external threads disposed on the body. The internal threads are used to connect a thread with one end of the horizontally longitudinal rebar of another prefabricated beam. The semi-grouting sleeve assembly replaces an existing full-grouting sleeve with a precast beam steel connection, the length andweight are reduced by nearly half, and the sleeve price is reduced. When the beam steel used for cast-in-place beam column joints are connected, the requirements on the length of a column section arealso correspondingly reduced, thereby avoiding the increase of the length dimension of the column section and the cost is low.