212results about How to "Quick alignment" patented technology

The invention discloses a multi-source fusion continuous positioning method in combination with a prior feature map, and aims to solve the problem that an existing vision-inertial odometer easily generates accumulative errors in a GNSS denial environment, the method comprises the following steps: constructing a prior feature map comprising key frame poses, feature point descriptors and 3D coordinates based on an open source algorithm; a track displacement difference alignment strategy is adopted to complete visual-inertial system and GNSS joint initialization, and ESIKF is used to replace EKF to improve fusion precision; robust alignment of a local coordinate system and a map coordinate system is achieved through a single-frame geometric constraint accumulation-batch manifold alignment strategy; based on the reverse PnP, the current 3D point cloud and the historical 2D observation constraint are utilized to resolve the relative pose, the map matching result is used as observation to be fused with the GNSS or replace GNSS observation, the ESIKF loose coupling is utilized to eliminate accumulative errors, and continuous high-precision positioning in the GNSS failure scene is achieved.

The utility model discloses a multifunctional tool for lens film's pasting and dismounting, including the tool main part that middle frame board, lens film, surface seal membrane and bottom surface seal membrane constitute, have each through -hole in the middle frame board, have the lens film in each through -hole, and the inner wall bottom of through -hole extends to the hole center and forms the inner along the step of middle frame board, and the both sides of middle frame board are encapsulated through surface seal membrane and bottom surface seal membrane with lens film. The utility model has solved the problem of the risk of scratching the shell of the lens film pasting tool in the prior art and the low efficiency of dismounting the old film.

The utility model relates to the field of generator rotor, especially a generator rotor assembly convenient to installation, rotor assembly is equipped with installation on the rotating shaft, the both sides of rotating shaft all are seted up installation groove, and the both sides of rotor assembly all are seted up fixing seat above installation piece, and all are seted up the card cavity on fixing seat, the both sides of rotating shaft all are adaptively seted up the movable card piece above corresponding card cavity, and the both sides of fixing seat all are inserted and are used for locking screw of card piece. In the utility model, through the structure that spring promotes card piece and automatically card into card cavity, can realize the quick centering and preliminary fixation of rotor assembly and rotating shaft, and cooperate the locking mode of screw and screw groove, have realized the reliability and detachability of connection, are convenient for the later maintenance and adjustment, effectively solved the problem that the traditional interference fit is not reversible, the high scrappage rate and the complicated operation.

This utility model relates to a self-cleaning air inlet protection device and an air handling unit, including a main body assembly and a self-cleaning assembly. The main body assembly includes a first connecting member, a second connecting member, and a protective net. Both the first and second connecting members are cylindrical and connected by a snap-fit ​​structure. The protective net is hemispherical and connects to the second connecting assembly. The self-cleaning assembly includes multiple support rods, a drive shaft, an impeller, and a cleaning brush. The impeller drives the cleaning brush via the drive shaft to clean the convex surface of the protective net. This utility model's self-cleaning air inlet protection device can prevent debris from adhering and is easy to install and disassemble.

This utility model discloses an electric torque-controlled nut tightening tool, relating to the field of electric nut tightening technology. It includes a gun body, a gun barrel fixedly connected to one side of the gun body, a gun head rotatably connected to the side of the gun barrel away from the gun body, a lithium battery snapped into the lower side of the gun body, a switch movably connected to the side of the gun body away from the lithium battery, a retaining ring connected to one side of the gun barrel, and an installation mechanism on one side of the retaining ring. This utility model, employing the above structure, installs multiple positioning components on the gun barrel. The positioning suction cups in the positioning components can closely adhere to the workpiece surface, providing support to the gun body from three different directions. This eliminates the need for the worker's manual strength to maintain gun body stability, significantly reducing the probability of gun body wobbling during operation. This allows the gun head to quickly and accurately align with the nut to be installed, reducing alignment adjustment time caused by wobbling and improving overall operating efficiency.

The utility model relates to the technical field of furniture processing, in particular to a punching device for furniture processing, which comprises a workbench, a sliding chute is arranged at the top of the workbench, and a movable plate is slidably connected in the sliding chute. A second electric push rod drives a pressing plate to press and position a wood plate, the adjustability of an extension plate enables some special-shaped plates to be effectively fixed, an electric perforating machine rotates and moves downwards to perforate the wood plate, a drilling groove is formed to achieve the effect of preventing a cutter from being collided, a crank drives a round pipe to rotate, the round pipe drives a screw to be screwed out, and the wood plate is fixed through the screw. The screw drives the movable plate to slide out of the sliding groove through the vertical plate, the scale marks are arranged on the front side and the rear side of the movable plate, the transverse movement distance of the wood plate, namely the hole distance between two hole positions, can be directly measured through the difference value between the scale marks and the initial zero point parts of the scale marks, and the wood plate does not need to be taken down to measure the hole distance and then conduct positioning and punching. Therefore, the drill bit can be quickly aligned with the preset hole position, and the punching efficiency is improved.

The utility model relates to the technical field of pressure pipeline auxiliary butt joint devices, in particular to a quick butt joint structure for pressure pipeline installation, which can quickly align pressure pipelines with different thicknesses, effectively improve the butt joint efficiency of the pipelines and bring convenience to workers. Comprising a bottom plate, the bottom end of a support is fixedly connected to the top end of the bottom plate, two sets of vertical plates are fixedly connected to the middle of the support in a bilateral symmetry mode, a connecting shaft is fixedly connected to the two sets of vertical plates, and a front supporting plate and a rear supporting plate are symmetrically and rotationally arranged on the connecting shaft in a sleeving mode in a matched mode; two sets of double-shaft sliding seats are symmetrically installed on the support in a sliding mode, the two sets of double-shaft sliding seats are symmetrically arranged on a two-way threaded rod in a threaded and sleeving mode, a worm wheel is fixedly connected to the front end of the two-way threaded rod, and a motor is fixedly installed at the right front corner of the top end of the bottom plate and used for adjusting the included angle between the front supporting plate and the rear supporting plate.

The utility model discloses a gas filling device with a temperature control function, which belongs to the technical field of gas cylinder filling and comprises a base frame, an automatic interface closing mechanism, a pneumatic clamping jaw and a lifting ring type quick connector. The lifting ring type quick connectors are fixedly mounted on the left and right sides of the front end of the base frame; automatic interface closing mechanisms are mounted on the left side and the right side above the front end of the base frame; the interface automatic closing mechanism comprises a driving assembly, an L-shaped mounting plate and a movable assembly; a pneumatic clamping jaw is installed on the movable assembly. By means of the mode, the extra workload that a gas cylinder needs to be manually carried to an inflation station and fixed manually is reduced, the gas cylinder filling efficiency is improved, and the practicability of the device is improved; the gas inlet of the gas cylinder can be quickly aligned with the gas outlet of the lifting ring type quick connector, the extra workload of manually pressing and pulling the lifting ring of the lifting ring type quick connector is reduced, and the practicability of the device is further improved.

The utility model discloses an alignment device, include: rotating mechanism is used for driving the light spot of laser head to move along any one of first direction, second direction, third direction, and is used for driving the light spot to rotate around fourth direction to make the light spot align with the tool bit. This alignment device, through rotating mechanism drive the light spot of laser head to move along any one of first direction, second direction, third direction, and drive the light spot to rotate and adjust in the same plane, reach the light spot of laser head and the tip of tool bit alignment, simple operation, convenient realization quick alignment, save time, improve test efficiency.

The utility model relates to a kind of crystal array detection tool, support seat is set in the inside of frame body, below frame body;Light transmission glass is placed above support seat;Fixed positioning fixture is fixed above light transmission glass;Several columns, several rows of recessed holes are set on positioning fixture, crystal array is placed in recessed hole, above crystal array, crystal array detection probe sensor is placed in recessed hole one-to-one correspondence, detects crystal array, realizes the function of quickly aligning crystal array detection probe sensor and crystal array, solves in existing crystal array detection equipment, as shown in figure 1, array distribution is used on crystal array test plate, fixed crystal array detection probe sensor, every time test, place crystal array below every crystal array detection probe sensor, and all need to keep accurate alignment, so that it causes the technical problem that it is very difficult to detect crystal array.

This utility model provides a front and rear planetary gear carrier for a transmission device, belonging to the field of planetary gear technology. It solves the problem of precise alignment during installation of planetary gear carriers in existing technologies. This utility model includes a planetary gear carrier body, planetary helical gears, a planetary gear assembly, a central helical gear, a support end cover, and a support outer shell. A mounting body is located on one end face of the outer ring body, and a first mounting hole is formed in the mounting body. A shaft hole is formed in the center of the central support body. The planetary gear assembly includes a front-row planetary gear, a rear-row planetary gear, and a gear connecting rod. One end of the gear connecting rod extends into the first mounting hole. A connecting shaft is integrally formed on the inner side of the central helical gear and passes through a shaft hole. The front-row planetary gears mesh with the central helical gear, and the planetary helical gear is installed on the outside of the rear-row planetary gear and meshes with it. This utility model has the advantages of high installation efficiency, high structural strength, and convenient disassembly.

The utility model discloses a kind of hydraulic safety devices of lifting platform, it is related to lifting platform technical field, including lifting platform, lifting platform lower side is provided with pedestal, scissor fork frame is installed in pedestal interior, scissor fork frame lower part one side is rotatably connected with pedestal, the sliding seat of corresponding scissor fork frame is installed in the both sides of pedestal surface, safety hydraulic cylinder is set to the left and right sides of pedestal, safety hydraulic cylinder is located between pedestal and lifting platform.The utility model cooperates design by lifting hydraulic cylinder and safety hydraulic cylinder, constructs double protection system, main hydraulic cylinder drives conventional lifting, independent safety hydraulic cylinder is as emergency support, when system flow is abnormal, pressure switch triggers oil circuit locking, energy accumulator maintains pressure, effectively prevent scissor fork frame and lifting platform unexpected drop, two sides safety hydraulic cylinder can quickly adapt safety, from power output and mechanical constraint two dimensions, improve the overall safety of lifting platform.

The utility model relates to the technical field of hole drilling rods, in particular to a mine reaming drilling rod which comprises a drilling rod mechanism, the drilling rod mechanism further comprises a drilling rod body, a penetrating through hole is formed in the inner wall of the drilling rod body, a threaded groove is formed in the inner wall of one end of the drilling rod body, and the other end of the drilling rod body is connected with the threaded groove. The outer side of one end of the drill rod mechanism is provided with a hole expanding drilling tool assembly used for expanding the hole diameter of a mine drill hole. In the first step, the third reaming sleeve is used for primarily reaming an original drilled hole, then the reaming diameter is continuously increased through the second reaming sleeve, further, a drill bit on the outer side of the first reaming sleeve is cut in for reaming to form a basic hole with a larger diameter, and compared with single-stage reaming and multi-stage gradual reaming, the single cutting load can be reduced, and the machining efficiency is improved. And meanwhile, the risk that the hole wall roughness exceeds the standard or the drill bit is broken due to the fact that one-time reaming is too large is avoided.

The utility model provides a kind of quick connection buckle type fire hose connector, it is related to fire hose technical field, including lock block, the outside of lock block is connected with lock shell, the end of lock block is connected with spring, the upside of lock block is connected with unlocking plate, by the fixed buckle outside daughter connector with the entrance end of the card slot inside female connector, first daughter connector is inserted into female connector, in clockwise rotating daughter connector, make fixed buckle move along the L type groove of card slot, when fixed buckle moves, by extruding the wedge surface of lock block, so that lock block is contracted by spring, when fixed buckle continues to move to the end of card slot, fixed buckle no longer extrudes lock block, lock block is re-extended under the action of spring, while the protrusion of lock shell both sides is positioned to lock block, rectangular surface of lock block is contacted with fixed buckle, fixed buckle is clamped in the end of card slot, ensure that daughter connector cannot rotate, to ensure that daughter connector is connected stably with female connector.

The invention discloses a hollow code verification radian detection device, which comprises a bottom plate, a mounting box, a detection frame, a visual sensor, a code scanner and a bearing plate, and is characterized in that the mounting box and the detection frame are arranged on the top surface of the bottom plate, the bearing plate is arranged on the top surface of the mounting box, and a hollow detection hole is formed in the bearing plate; the installation box is provided with a first corresponding opening corresponding to the hollow detection hole, the visual sensor is arranged on the detection frame, the detection end of the visual sensor is arranged downwards and corresponds to the bearing plate in the vertical direction, and the code scanner is arranged in the installation box. The detection end of the code scanner vertically extends upwards and is arranged corresponding to the hollow detection hole in the vertical direction. The copper substrate detection device has the effect of improving the copper substrate detection efficiency.

The utility model relates to astronomical observation equipment technical field provides a single -way multi -star simulation structure, including support and lens barrel, the lens barrel includes first sub -cylinder and second sub -cylinder, first sub -cylinder and second sub -cylinder, first sub -cylinder is provided with camera lens subassembly away from one side of second sub -cylinder, and the detachable connection between camera lens subassembly and first sub -cylinder, second sub -cylinder is provided with the insert piece seat away from one side of first sub -cylinder, and the detachable connection between insert piece seat and second sub -cylinder, the insert piece seat is provided with the mounting seat away from one side of second sub -cylinder, be provided with the light source on the mounting seat, be inserted and arranged the insert piece on the insert piece seat, the utility model can effectively improve the convenience of structural adjustment, improve the operation efficiency while, reduce the mechanical error produced in the repeated dismounting process, guarantee accurate simulation.

The utility model belongs to the technical field of petroleum workover equipment, concretely relates to a hydraulic tong station adjusting device and workover equipment, including the adjusting frame and the chassis, the longitudinal beam that sets up two hydraulic cylinders in the middle part of chassis is hinged, the piston rod end of two hydraulic cylinders all is hinged on the adjusting frame, the adjusting frame is driven its rotation around the axis of articulation shaft and drives hydraulic tong swing relative to the chassis by the piston rod telescopic drive of hydraulic cylinder, when the adjusting frame swings to the second end of chassis, and the limit support that this end of chassis is perpendicular fixed limits the contact. The utility model has realized the continuous, stable and automatic swing switching of hydraulic tong from the work position to the retreat position, reduced the strength of manual operation, improved the operation efficiency, reduced the operation error and the security risk caused by human factor, ensured that the hydraulic tong in non - working state, the equipment can absolutely stably keep in the retreat position, satisfied the extreme requirement of safety of wellhead unmanned operation.

The application discloses a data processing method in laser communication, which is applied to a processing device of a laser emitting device, the laser emitting device further comprising a laser deflection device, a position detector and a camera, the method comprising: obtaining position information and shape information of a marker of a laser receiving device and deflection data of the laser deflection device in the process that the position detector tracks the laser receiving device; obtaining a second conversion relationship based on a first conversion relationship between the position and shape of the marker and the deflection data of the laser deflection device and the obtained data, wherein the second conversion relationship updates at least one parameter associated with the position of the marker and / or the shape of the marker relative to the first conversion relationship, and the second conversion relationship is used in the laser alignment process when the laser emitting device and the laser receiving device start or reconnect. The scheme is used for improving the accuracy of coarse alignment in laser communication, so as to quickly enter fine alignment.

The invention provides an arc surface positioning and punching device for driving shaft machining and an operation method of the arc surface positioning and punching device, and relates to the field of punching. According to the arc surface positioning and punching device for machining the driving shaft and the operation method of the arc surface positioning and punching device, swing supports are installed on a base, supported through elastic pieces, provided with triangular structures and rotate around rotating shafts of the swing supports when stressed, the two sets of swing supports are symmetrically arranged, and pressure applying wheels and supporting wheels are rotatably arranged on the swing supports. The pressure applying wheel is used for applying pressing force to the driving shaft, and the supporting wheel is used for supporting the driving shaft; according to the arc surface positioning and punching device for driving shaft machining and the operation method of the arc surface positioning and punching device, rapid positioning and alignment can be achieved, driving shafts with different diameters can be automatically adapted, the driving shafts are directly driven through the friction force between an anti-skid belt and the driving shafts, circumferential angle adjustment is achieved, a winding wheel is controlled to rotate through a double-shaft servo motor, and the working efficiency is improved. And moving the unworn new section of the anti-skid belt to a contact area with the driving shaft to replace the original worn contact surface.

This utility model discloses an anti-detachment data cable, including a data cable body. The data cable body includes a data cable interface end, an interface rear end, and a data connection cable. The data cable interface end and the rear end of the interface are respectively fixed to both ends of the data connection cable. Magnetic metal sheets are fixedly provided on both sides of the outer wall of the data cable interface end, and an electronic device is fixedly connected to one end of the data cable interface end. A permanent magnet is provided at the charging interface of the electronic device. A pressing block is fixedly provided at the upper end of the data cable interface end, and several locking teeth are provided at the bottom of the data cable interface end. A limiting structure is provided on the outside of the data connection cable. The limiting structure includes a fixing clip sleeved on the outside of the data connection cable. Two limiting springs are provided inside the fixing clip, and an anti-slip pad is provided at one end of each limiting spring. This can effectively prevent the data cable from falling off when connected to the electronic device and limit the data cable to avoid messy shaking during use.

This utility model discloses an embedded nut, including an embedded nut body. An external thread is fixedly provided on the outer ring surface of the embedded nut body. A notch is formed on the embedded nut body, and an expansion seat is provided on one side of the notch. A positioning seat is fixedly provided at the bottom of the expansion seat, and a force-bearing skirt is fixedly provided at the top of the embedded nut body. An internal thread is formed on the inner ring surface of the embedded nut body. This embedded nut avoids the problem of traditional nuts easily loosening and prevents the embedded nut body from easily falling off with increasing use. The expansion structure formed by the combination of three sets of expansion seats can adapt to wood of different densities. The tightening force can be controlled by adjusting the bolt insertion depth, enhancing its applicability. The external thread embedded in the wood forms an anchoring effect, maintaining stability even under vibration or stress environments.

The utility model relates to the technical field of low-nitrogen combustors, in particular to an adjusting mechanism for a low-nitrogen combustor, which comprises a bottom plate, a low-nitrogen combustor body and a horizontal adjusting mechanism, the horizontal adjusting mechanism comprises a vertical plate fixedly connected to the upper end face of the bottom plate, and a sliding rod is slidably connected to the outer wall of the vertical plate in a penetrating manner; the vertical adjusting mechanism comprises a mounting plate located over the sliding rod, the low-nitrogen burner body is mounted on the upper end face of the mounting plate, and a jack is mounted between the mounting plate and the sliding rod. The low-nitrogen burner is simple to operate and convenient to use, the mounting plate can be driven to move up and down through the jack, so that the height of the low-nitrogen burner body is adjusted, the axis of the low-nitrogen burner body can be quickly aligned with the heating surface of a boiler for different boilers, adjustment is convenient, and time and labor are saved.

The utility model discloses a kind of ballastless track slab laying auxiliary devices, it is related to track slab laying auxiliary device technical field, including base, the top of the one side of base is fixedly installed with mounting frame, the inside of mounting frame is equipped with installation slot, the both sides in the inside of installation slot are rotatably installed with screw rod, the outside fixed mounting of the top of two the screw rod is extended with worm wheel, the top of mounting frame is fixedly installed with double-shaft motor, the beneficial effects of the utility model are that: different height track slab can be assisted alignment, and when alignment, according to the position of track slab deviation, it can be positioned to track slab by opening second hydraulic cylinder and pushing second push plate to certain position first, then by opening first hydraulic cylinder and pushing first push plate and track slab to move, it can be quickly aligned, and deviation does not appear when pushing distance is too large, the situation that laying efficiency is affected appears, use is more convenient and fast.

This utility model discloses a prefabricated ribbed floor slab hoisting and forming structure, belonging to the field of building formwork. The structure includes a building formwork, a support assembly, a steel truss, and a hoisting assembly. The support assembly uses a non-full-span scaffolding with a central gap; the building formwork has flanges with hoisting slots and connection holes on its sides, which can be quickly connected into an array using fasteners; the steel truss spans the gap area and is erected on the flanges of two adjacent rows of formwork; the hoisting assembly includes an upper support, double-ended bolts, washers, and nuts, passing through the merged hoisting holes from top to bottom to transfer the formwork load to the steel truss, which is ultimately supported by the scaffolding on both sides. This utility model reduces the span of the steel truss by using a "span-for-support" approach, thus lowering its selection specifications and costs; the hoisting assembly is detachable and adjustable, offering flexible use; both the formwork and hoisting are prefabricated, greatly improving construction efficiency and reducing overall costs.

The utility model provides a detachable cycling garment which comprises an upper garment body and a lower trouser body which can be separated from each other, the bottom of the upper garment body extends downwards to form an outer-layer elastic waist tube, and the inner wall of the outer-layer elastic waist tube is provided with a buckling groove body. The top of the lower body extends upwards to form an inner-layer elastic waist opening which can be covered by the outer-layer elastic waist cylinder, and the outer wall of the inner-layer elastic waist opening is provided with a buckling strip body which can be clamped and matched with the buckling groove body; the buckle strip body and the buckle groove body are both magnetic, the buckle strip body is provided with a first limiting part and a second limiting part which are perpendicular to each other, the buckle groove body is provided with a first protruding part and a second protruding part, and the first protruding part and the second protruding part are arranged on the groove bottom wall and the groove side wall which are perpendicular to each other on the buckle groove body respectively; when the buckle strip body is clamped and matched with the buckle groove body, the first limiting part abuts against the first protruding part, and the second limiting part abuts against the second protruding part. The utility model solves the problems that the one-piece riding clothes are inconvenient to wear and take off, and the aerodynamic performance is influenced by the split scheme.

This utility model discloses a miniature ball bearing for a cooling fan, comprising an outer ring, an inner ring, a cage, a dust cover, and rolling elements movably disposed between the outer and inner rings. Both the inner and outer peripheral walls of the outer ring and the inner ring have circumferentially formed grooves for the rolling elements to move. Both ends of the inner peripheral wall of the outer ring have circumferentially formed stepped grooves for installing the dust cover. The connections between the grooves of the inner ring and the outer peripheral wall of the inner ring, and between the grooves of the outer ring and the inner peripheral wall of the outer ring, have chamfered edges. A retaining spring is provided in the stepped groove for an interference fit with the stepped groove. The inner wall of the retaining spring abuts against the outer wall of the dust cover, while the outer peripheral wall of the dust cover has a clearance fit with the inner peripheral wall of the stepped groove. The curvature coefficient of the grooves of the outer ring is greater than that of the grooves of the inner ring. This utility model solves the problems of traditional miniature ball bearings, such as increased bearing ellipticity due to dust cover installation leading to out-of-tolerance bearing ellipticity, and assembly damage during rolling element installation leading to unqualified rolling element vibration during bearing operation.

This invention relates to the field of pipe fixing device technology. This application discloses a pipe fixing device and its usage method for laying municipal road and bridge pipeline networks. It includes a lower fixing sleeve and an upper fixing sleeve. The upper fixing sleeve is provided on the top surface of the lower fixing sleeve. Grooves for mates with pipes are provided on opposite sides of both the lower and upper fixing sleeves. Fixing side plates are symmetrically fixed at both ends of opposite sides of both the lower and upper fixing sleeves. This invention utilizes internally retractable support ball bearings. After the pipe is placed in the lower fixing sleeve, it is supported by the support ball bearings, allowing the pipe to be easily pulled or rotated after placement. This facilitates the alignment of adjacent pipes for subsequent fixing, solving the problem of inconvenience in adjusting the pipe position during use of existing pipe fixing devices and their usage methods for laying municipal road and bridge pipeline networks, thus improving the practicality of the fixing device.

The embodiment of the application provides a test tool, which comprises: a first base, a first force applying mechanism, a first clamping assembly and a supporting assembly are arranged on the first base, and the supporting assembly is used for supporting a component to be tested; a second base is arranged at a distance from the first base along the height direction of the first base, a second force applying mechanism and a second clamping assembly are arranged on the second base, the first clamping assembly is arranged opposite to the first clamping assembly, so that a clamping space is formed between the second clamping assembly and the first clamping assembly, and the clamping space is used for accommodating a fixed end of the component to be tested; the second base moves towards the first base along the height direction of the first base, can drive the second force applying mechanism to move synchronously, and then drives at least part of the first force applying mechanism to move along the stress direction of the component to be tested, so as to test the stress of the component to be tested. The scheme solves the problem that the test tool in the prior art cannot test the components whose forming direction is inconsistent with the stress direction.

The invention provides a light guide beam and main beam quick connecting structure for a large-span steel box girder bridge, and belongs to the field of bridge engineering. The device comprises a steel box main beam and a light guide beam, a transverse supporting plate and a longitudinal supporting plate are arranged in the steel box main beam, the light guide beam comprises two I-shaped main beams and a middle connecting frame, and a plurality of lock sleeves located on the outer side of the steel box main beam are fixedly installed on the transverse supporting plate. The ends, close to the steel box main beam, of the two I-shaped main beams are each provided with a quick positioning and locking mechanism, the quick positioning and locking mechanisms are used for being matched with a lock sleeve to achieve fixed connection of the steel box main beam and the light guide beam, and the lock sleeve is provided with a plurality of L-shaped lock openings which are rotationally and symmetrically distributed. And the quick positioning and locking mechanism comprises a plurality of rotatable rotating sleeves. The light guide beam and main beam quick connecting structure for the large-span steel box girder bridge has the advantages of being accurate in positioning, efficient in connection and reliable in locking.