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190results about How to "Quick alignment" patented technology

Multi-source fusion continuous positioning method combined with prior feature map

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.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Nut electric motor fixed torque tightening tool

ActiveCN224616242UReduce the probability of shakingquick alignment
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.
Owner:XINCHANG WANCHENG TECH

Perforating device for furniture processing

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.
Owner:XUZHOU ZHI OAK FURNITURE CO LTD

Quick butt joint structure for pressure pipeline installation

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.
Owner:HUBEI RONGTAO CHEM EQUIP CO LTD

Gas filling device with temperature control function

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.
Owner:CHONGQING TONGHUI GAS

An alignment device

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.
Owner:SHENZHEN HUATONGWEI INT CHECKING CO LTD

A front and rear planetary gear carrier for a transmission device

ActiveCN224283417Uquick alignmentEliminates risk of looseningGearboxesGearing detailsGear wheelPhysics
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.
Owner:WENLING YUXIANG MASCH PARTS CO LTD

Hydraulic safety device for elevating platforms

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.
Owner:JILIN KAIHUI TECH CO LTD

Reaming drill rod for mine

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.
Owner:JIANGSU HEXIN PETROLEUM MACHINERY

Quick connect buckle type fire hose coupling

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.
Owner:HEBEI SHUNGANG FIRE ENGINEERING CO LTD

Hollowed-out code verification radian detection equipment

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.
Owner:JIANGYIN SAIYING ELECTRON CO LTD

A single-path multi-satellite analog structure

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.
Owner:CHENGDU CORDER OPTICS & ELECTRONICS CO LTD

Hydraulic vise position adjustment device and well repair equipment

ActiveCN224413569UContinuous swing switchingSmooth and automated swing switchingHydraulic cylinderControl engineering
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.
Owner:JIANGSU RUTONG PETRO MASCH CO LTD

A data processing method and corresponding device in laser communication

ActiveCN115189767BSpeed ​​up the boot processhigh speedLine-of-sight transmissionControl using feedback
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.
Owner:HUAWEI TECH CO LTD

Arc surface positioning and punching device for driving shaft machining and operation method of arc surface positioning and punching device

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.
Owner:BAOTOU LANGUANG GEAR

Anti-falling data line

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.
Owner:DONGGUAN PUJIAN ELECTRONIC TECH CO LTD

Adjusting mechanism for low-nitrogen combustor

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.
Owner:WUXI BUERTAI ENERGY TECH CO LTD

An assembled ribbed floor hoisting forming structure

ActiveCN224647947Ureduce spanReduce the selection specification
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.
Owner:JIANGXI MINGRUI CHUANGYING NEW MATERIAL TECHNOLOGY CO LTD

Detachable riding clothes

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.
Owner:ZHEJIANG LUDUN SECURITY EQUIP CO LTD

Miniature ball bearings for cooling fans

ActiveCN224621962Uavoid displacementAdaptation accuracy
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.
Owner:C&U CO LTD +1

A pipeline fixing device for municipal road and bridge pipeline laying and a use method thereof

PendingCN122281127AConvenient for straight alignmentImprove practicalityBall bearingArchitectural engineering
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.
Owner:徐田彬

Light guide beam and main beam quick connecting structure for large-span steel box girder bridge

PendingCN121853450Aquick alignmentShorten the cantilever construction periodBridge structural detailsBridge materialsBridge engineeringLight guide
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.
Owner:CHINA ENERGY CONSTR GP JIANGSU ELECTRIC POWER CONSTR FIRST ENG

Curved surface foam processing method

PendingCN121946126ASmall limitationsaddress limitations3D modellingMachine toolPhysics
The invention provides a curved-surface foam processing method. The curved-surface foam processing method comprises the following steps: S1, performing three-dimensional modeling on curved-surface foam and uniformly dividing the curved-surface foam into a plurality of small foam blocks; s2, the foam blank is clamped and fixed to a platform with a groove; s3, the foam blank is machined into small foam blocks through a three-axis machine tool; and S4, splicing and assembling the processed small foam blocks to obtain the complete curved-surface foam. The machining device has the effect of achieving high-profile-precision machining of large curved-surface foam.
Owner:SHANGHAI COMPOSITES SCI & TECH CO LTD

Fixing device for cylinder gasket welding

The utility model provides a fixing device for cylinder gasket welding, which is used for fixing a cylinder gasket for welding, and comprises two fixing components, each fixing component comprises a lifting plate, a sliding rail is arranged on the upper surface of the lifting plate, and the sliding rail extends along the X direction; the lifting driving part is used for driving the lifting plate to ascend and descend; the sliding placing frame is arranged on the sliding rails of the lifting plate and can slide relative to the sliding rails; a horizontal driving member; the first pressing and abutting piece is arranged on the sliding containing frame and used for limiting the air cylinder gasket in the Y direction; and the second pressing and abutting piece is arranged on the sliding placement frame and used for pressing and abutting the air cylinder gasket to the sliding placement frame. According to the fixing device for welding of the air cylinder gasket, the air cylinder gasket is pressed by arranging the first pressing and abutting piece and the second pressing and abutting piece, so that the air cylinder gasket can be prevented from shaking, and the welding position of the air cylinder gasket can be better attached.
Owner:NANCHANG HUIMEN SEALS SYST

Bidirectional pressurization hydraulic oil cylinder

The utility model relates to the technical field of hydraulic oil cylinders, and discloses a bidirectional pressurization hydraulic oil cylinder which comprises a base and a hydraulic oil cylinder body arranged at the top end of the base, a first positioning block is fixedly installed on the face, close to the base, of the hydraulic oil cylinder body, and a through groove is formed in the outer wall of the first positioning block. An inserting groove is formed in the outer wall of the hydraulic oil cylinder body, and a fixing piece is fixedly installed on the face, close to the hydraulic oil cylinder body, of the base. According to the bidirectional pressurization hydraulic oil cylinder, through cooperation of the pull rod, the limiting block, the movable groove, the through groove and the limiting groove, rapid limiting of the hydraulic oil cylinder body can be achieved, during use or assembly, the hydraulic oil cylinder body can be conveniently and rapidly disassembled and assembled, practicability is high, and due to the fact that the rubber ring has good sealing performance, the sealing performance is good through the design of the sealing ring; oil in the cylinder barrel can be prevented from leaking out through the connecting position of the first end cover and the cylinder barrel and the connecting position of the second end cover and the cylinder barrel, the overall sealing performance is improved, and through the design of the three sealing rings, the overall sealing performance is further improved.
Owner:MU JU (SHANGHAI) POWER TECH CO LTD

Burner for heating rotary kiln

The utility model relates to a kind of burner for rotary kiln temperature rising, including gas pipe, nozzle, hollow column, locking column and spray head, the position at the inside of gas pipe and close to one side end part is fixedly connected with positioning ring, annularly is opened with through-hole in the surface of gas pipe and close to the side of positioning ring, the surface of gas pipe is communicated with air pipe, nozzle is movably inserted in the inside of gas pipe and close to the end of positioning ring, installation slot is opened in the surface of nozzle and the position corresponding through-hole, first sleeve is fixedly connected in the inside of installation slot, the central fixed connection of second sleeve is in the bottom of the inner wall of first sleeve, hollow column passes through through-hole and can be detachably inserted in the inside of first sleeve, locking column passes through the inside of hollow column and can be detachably inserted in the inside of second sleeve;The utility model eliminates the complexity of multiple hole positions alignment in traditional butt joint process, greatly reduces the time needed for installation.
Owner:XIANGYANG SHENGHE FUEL POWER EQUIP CO LTD

Assembled pipeline for 5G communication pipeline construction

The utility model discloses an assembly type pipeline for 5G communication pipeline construction, and relates to the technical field of communication pipelines, the assembly type pipeline comprises a first half pipe and a second half pipe, the side end of the first half pipe is fixedly provided with a first side plate, the side end of the second half pipe is fixedly provided with a second side plate, and the end face, close to the first side plate, of the second side plate is provided with a positioning sliding groove; a positioning column is installed on the first side plate, the positioning column can slide along the inner side of a positioning sliding groove in the state that the first half pipe and the second half pipe are aligned up and down, quick alignment of the two ends of the first half pipe and the two ends of the second half pipe can be achieved in cooperation with arrangement of a positioning ring groove, and sealing semi-rings are fixed to one side end of the first half pipe and one side end of the second half pipe correspondingly. The inner diameter of the sealing semi-ring is consistent with the outer diameter of the first half pipe and the outer diameter of the second half pipe, the other end of the first half pipe and the other end of the second half pipe are each fixedly provided with a guiding semi-ring, rapid alignment between the two pipelines can be achieved, then the first fixing screw abuts against the groove bottom of the positioning ring groove, and rapid connection between the two pipelines can be completed.
Owner:CHINA MOBILE CONSTR CO LTD