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28results about How to "Low skill level required" patented technology

Lifting appliance for lifting prefabricated square block

The utility model relates to a lifting appliance for lifting a prefabricated square block, which belongs to the technical field of lifting appliances and comprises a lifting rod, a connecting rod, a rotating block and an adjusting piece, wherein at least one lifting rod is arranged, the top of the lifting rod is used for being connected with a first lifting hook, and the lower portion of the lifting rod is used for stretching into a lifting hole in a prefabricated square block to lift the prefabricated square block; the connecting rods are mounted between the adjacent suspenders and used for connecting the suspenders; a through hole is formed in the lower portion of the suspender, and the rotating block is installed in the through hole and rotatably connected with the suspender. The rotating block has an opening state and a folding state; the suspender is hollow, and the adjusting piece is arranged in the suspender, connected with the rotating block and used for adjusting the state of the rotating block. According to the lifting appliance for lifting the prefabricated square block, through the arrangement of the rotating block and the adjusting piece, it can be ensured that the prefabricated square block can be lifted more rapidly, operation such as lifting, positioning and mounting of the prefabricated square block can be completed rapidly, and the lifting efficiency of the prefabricated square block is greatly improved.
Owner:NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG +1

Cable grid bridge system

The utility model discloses a cable grid bridge system comprising a turning bridge which is composed of a plurality of bridge units arranged in a divergent manner to form an inner arc structure and an outer arc structure. Each bridge unit comprises two parallel U-shaped wefts and a plurality of radial line units, each U-shaped weft is composed of an outer vertical beam, a bottom beam and an inner vertical beam, and each radial line unit comprises a bottom radial line unit, an outer diameter line unit and an inner diameter line unit which are respectively connected to different parts of the corresponding U-shaped weft; the outer diameter line units are connected to form a continuous bridge outer diameter line; the inner vertical beams of the adjacent bridge units abut against each other, the inner diameter line unit is provided with two ends, reinforcing ribs are welded between the bottom beams, a bridge bottom diameter line is formed, and therefore the turning bridge system is low in cost and convenient to manufacture.
Owner:VICHNET COMM SCI & TECH

An embedded structure for unloading pull rings at the connection node between cast-in-place beams and cantilever slabs

This invention proposes a pre-embedded unloading pull ring structure at the connection node between a cast-in-place beam and a cantilever slab. The structure includes a beam body, with a cantilever slab body extending from the bottom of the beam body. A pull ring body is located at the bottom of the beam body, with one end embedded within the beam body and the other end protruding from the connection node between the beam body and the cantilever slab body. By pre-embedding the pull ring body at the bottom of the beam body and having one end protrude from the connection node, this invention eliminates the need for pre-drilling openings in the cantilever slab body. This ensures that the subsequently connected steel wire rope is in a straight line, optimizing the stress distribution between the steel wire rope and the structural beam, reducing the risk of structural damage. Simultaneously, it avoids conflicts, wear, and pressure damage to the cantilever slab caused by inaccurate opening locations, eliminates the risk of leakage due to openings, improves the safety, durability, and waterproofing performance of the cantilever slab, simplifies construction steps, and increases construction efficiency.
Owner:SHEN ZHEN SHI JIN ZHONG JI TUAN GU FEN YOU XIAN GONG SI +4

A robot charging dock

This utility model discloses a robot charging base, including a base with a clearance groove on the lower side. A snap-fit ​​device is installed in the clearance groove. The snap-fit ​​device includes a release sleeve, a snap-fit ​​sleeve, a snap-fit ​​rod, a release groove, a release plate, a snap-fit ​​block, and a snap-fit ​​groove. The snap-fit ​​sleeve is detachably fitted onto the outside of the snap-fit ​​rod. The release groove is a variable-diameter structure opened in the release sleeve. The snap-fit ​​block is connected to one side of the release plate. The snap-fit ​​groove is opened on the outside of the snap-fit ​​rod. A locking mechanism is provided on the outside of the snap-fit ​​sleeve. The locking mechanism includes a locking plate, a movable spring, a locking sleeve, a locking hole, a fixing block, a locking rod, and a movable block. The movable spring is connected to two adjacent movable blocks. The locking hole is opened on the locking plate. Multiple fixing blocks are installed on the outside of the snap-fit ​​sleeve. The locking rod is connected to one side of the locking sleeve. This utility model realizes convenient disassembly and assembly of the spring electrode sheet, ensures structural stability, and ensures stable use of the equipment.
Owner:NANTONG INGMAR INTELLIGENT TECHNOLOGY CO LTD

Pressing force adjusting device

ActiveCN224189412UAccurately adjust the degree of compressionLow skill level requiredWork holdersApparatus for force/torque/work measurementClassical mechanicsScrew thread
The utility model relates to the technical field of pressing force testing, and discloses a pressing force adjusting device which is characterized in that a fixing plate is provided with a stepped hole; the screw rod is in threaded connection with the first threaded hole of the stepped hole; the exterior of the sleeve is connected to a second hole of the stepped hole; one end of the pressing column is in pressure abutting contact with the to-be-pressed part, and the other end slides in the sleeve; the elastic piece is arranged in the sleeve and located between the screw rod and the other end of the pressing column. The pressing force adjusting device is suitable for compressing the elastic piece by screwing a screw rod with scales, and then pushing force is applied to the pressing column through the elastic piece, so that the pressing column is used for pressing the part to be pressed. And the scales correspond to the pressing force of the pressing column on the to-be-pressed part. According to the device, the screw rod is screwed, the relation between the scales and the applied pressing force is utilized, the pressing degree of the to-be-pressed part is accurately adjusted, the requirement for the skill level of an operator is remarkably lowered, and ordinary personnel without related skills can accurately adjust the pressing force on the part.
Owner:深圳起明光伏科技有限公司

Steering engine holder

The steering engine holder comprises a holder body, a mounting mechanism is arranged at the bottom end of the holder body, the mounting mechanism comprises a fixing frame, a screw, a fixing plate, a connecting rod and a positioning mechanism, the fixing frame is connected to the bottom end of the holder body, the screw is in threaded connection in the fixing frame, the fixing plate is arranged on one side of the fixing frame, and the connecting rod is arranged on the other side of the fixing frame. The connecting rod rotates in the fixing plate and is fixedly connected with the screw rod, the positioning mechanism comprises a fixing sleeve, a mounting ring, sliding holes, positioning blocks, an abutting rod, an abutting sleeve and a positioning groove, the fixing sleeve is fixed to the outer wall of the fixing plate, the mounting ring is fixed to the outer wall of the connecting rod, the multiple sets of sliding holes are distributed in the mounting ring, and the positioning blocks move in the multiple sets of sliding holes. According to the mounting mechanism, the cooperative design of the screw rod, the fixing frame and the fixing plate is adopted, accurate control over the screw rod is achieved by rotating the connecting rod, and therefore the fixing plate conducts accurate linear motion along the limiting rod, the camera shooting equipment can be firmly fixed to the holder body, and mounting convenience is remarkably improved.
Owner:DONGGUAN JIBEI ELECTRONIC TECH CO LTD

Automatic encapsulating machine for encapsulating tire production

This utility model discloses an automatic rubber-coating machine for producing rubber-coated tires, including a support block. A groove is provided on one side of the upper end of the support block, and a pneumatic telescopic mechanism is mounted on the groove. A support column is installed on the pneumatic telescopic mechanism, and a clamping mechanism is installed at the upper end of the support column. A fixing frame is fixed on one side of the upper end of the support block, and a circular support is mounted on the fixing frame. An annular mounting plate is fixed on the inner sidewall of the circular support, and multiple auxiliary wheels are rotatably connected at equal intervals around the annular mounting plate. This utility model achieves rapid fixing and rotation of the rubber-coated tire, reducing manual operation time and workload. Simultaneously, the stable support structure ensures the continuity of the rubber-coating process, avoiding interruptions caused by tire wobbling, greatly improving production efficiency. Furthermore, the high degree of automation reduces the skill requirements for operators and lowers labor costs.
Owner:QINGDAO AILITE RUBBER CO LTD

An assembly tool for a cooling module of a working machine

This utility model discloses an assembly fixture for a cooling module of engineering machinery, including a base plate and two sets of vertical supports. The bottom of each set of vertical supports is mounted on the left and right ends of the side surface of the base plate via a transverse sliding mechanism. Positioning components one for positioning the left or right side frame of the cooling module are located on the opposite vertical surfaces of the two sets of vertical supports. Positioning components two for positioning the bottom frame of the cooling module are located in the middle of the side surface of the base plate. Positioning components three for positioning the corresponding bottom support plate of the cooling module are located at the left and right ends of the side surface of the base plate. This assembly fixture significantly improves the accuracy of component assembly. A rectangular frame assembled in one step meets the requirements. It requires low operator skill, is highly operable, greatly reduces manual labor and fatigue, and significantly improves the quality and processing efficiency of the finished cooling module, meeting the needs of large-volume delivery.
Owner:MODINE THERMAL SYST (CHANGZHOU) CO LTD

Method and system for leveling coil steel metal plate for vehicle frame production

The invention discloses a method and a system for leveling a coil steel metal plate for frame production. The method comprises the following steps: acquiring initial stress distribution data and thickness deviation data of the coil steel metal plate; on the basis of the initial stress distribution data and the thickness deviation data, personalized leveling process parameters are generated by adopting a finite element analysis model; a plurality of leveling roller sets of the leveling system are controlled according to the personalized leveling process parameters to conduct graded pressurizing and leveling, and meanwhile surface flatness data of the metal plate are collected in real time through a laser displacement sensor; and the flatness data collected in real time is compared with a preset standard, and the pressure, the rotating speed and the interval parameters of the leveling roller set are dynamically adjusted. According to the method, personalized technological parameter generation and dynamic closed-loop control are combined, the problems that a traditional leveling method is poor in adaptability to coil steel metal plates in different states, low in leveling precision and prone to secondary stress damage are solved, the leveling efficiency and the finished product quality are remarkably improved, and the rejection rate of follow-up machining of a vehicle frame is reduced.
Owner:HUBEI SHIXUE TECH CO LTD

A pipe fitting structure for easy connection

The utility model discloses a pipe fitting structure convenient to connect relates to pipe fitting connection field, including pipe fitting one, the pipe fitting one end is inserted with pipe fitting two, the pipe fitting one and pipe fitting two between the insertion have connecting piece for the pipe fitting one and pipe fitting two inner wall jacking, the connecting piece is by top rhombic frame, middle straight pole section and bottom cross section three part constitutes. Advantageous effect lies in: connecting piece adopts top rhombic frame, middle straight pole section and bottom cross section's integrated structure. Bottom cross section is X shape structure, utilizes barb principle and pipe fitting one inner wall close contact, forms stable radial support after inserting, effectively prevents connecting piece in pipe fitting one and slide or fall off. Top rhombic frame width is greater than pipe fitting one inner diameter, and after the contact with pipe fitting two inner wall, produces elastic top tight force, realizes pipe fitting two and connecting piece's firm cooperation, has enhanced the integral anti -vibration of pipe fitting one and pipe fitting two after connection obviously, avoided traditional insertion structure's loose problem.
Owner:SHENZHEN ZHIYOU INTERNATIONAL TRADING CO LTD

Hand-operated wet clay sand pneumatic die sinking machine

PendingCN122076934AOptimize connection structureeasy to operateMoulding machinesMould tablesMechanical engineeringClay soil
This invention discloses a manual wet clay sand pneumatic mold, relating to the field of casting technology. It includes a base, a pair of side plates, a top plate, a sand-bearing plate, a cylinder, a support plate, a mold core, and a sprue core. The pair of side plates are vertically and parallelly arranged on the left and right sides of the base. The top plate is horizontally positioned on top of the pair of side plates. The sand-bearing plate is fixedly positioned on the upper surface of the top plate. The cylinder is fixedly positioned at the center of the upper surface of the base. The support plate is horizontally positioned and fixedly connected to the output end of the cylinder. This invention features a reasonable structural design and reliable component connections, effectively optimizing the operation process, reducing labor intensity, and improving the quality and consistency of sand mold forming.
Owner:SHENYANG RAILWAY SIGNAL

A construction convenient assembly type ceiling surface

The utility model relates to the technical field of assembly type ceiling surface, especially a kind of assembly type ceiling surface of convenient construction. Including multiple main keels, vice keel and panel, multiple main keels are all installed with the suspender for being connected with the building top structure, multiple main keels are all provided with the first clamping assembly for being clamped with multiple vice keels, multiple vice keels are all provided with the second clamping assembly for being clamped with multiple panels. The utility model is through the setting of first clamping assembly and second clamping assembly, main keel and vice keel are clamped by first clamping assembly, vice keel and panel are clamped by second clamping assembly, without complex splicing operation, construction personnel only need to complete installation by corresponding clamping, reduce the requirement to the technical level of construction personnel, simplify construction process, make ceiling surface installation more convenient and efficient, significantly improve construction efficiency.
Owner:SHANGHAI JIACHUN DECORATION DESIGN ENG CO LTD +1

A new energy motor shell profile measuring device and method based on laser scanning

This invention discloses a laser scanning-based device and method for measuring the contour of a new energy motor housing, relating to the field of motor housing size measurement technology. It aims to solve the technical problems of existing devices, which often employ manual or simple pneumatic clamping, easily causing deformation of thin-walled housings and affecting accuracy; requiring multiple flips to achieve full-angle scanning, resulting in low detection efficiency and large cumulative errors; and having complex control logic and low automation, hindering production line deployment. These problems include issues with the detection and positioning mechanisms. This invention sets up two sets of adjustment components along the moving path: a rear component and a front component. When the clamping component moves forward, it passes the rear adjustment component and automatically rotates 90 degrees. After continuing to move forward and completing the upper scan, it rotates 90 degrees again. Only by repeating these steps can a full detection of the housing be achieved. Compared to existing technologies that require multiple flips or multi-station switching, this device significantly shortens the detection cycle and reduces the cumulative errors caused by multiple clamping operations.
Owner:JIANGSU RUIMEI AUTO PARTS CO LTD

A slope self-adaptive compensation control method of a horizontal joint hoisting robot

The present application relates to a kind of slope self-adaptive compensation control methods of horizontal joint hoisting robot, comprising: installing two-dimensional inclination sensor on the base of horizontal joint robot, measure warehouse floor slope;According to the slope, analytical calculation horizontal joint robot in each axis direction of tool coordinate system under the compensation offset;According to the compensation offset of each axis direction, the hoisting position coordinates and hoisting planning path coordinates of target goods are position rectification and optimization, obtain after compensation hoisting position and optimized hoisting path;Control horizontal joint robot moves to after compensation hoisting position;Lowering sling hoist goods;Horizontal joint robot hoists goods according to optimized hoisting path.The present application can control horizontal joint robot in the narrow space of warehouse and ground comprehensive angle not more than 10 ° Smoothly hoist goods, enter warehouse.
Owner:SHENYANG SIASUN ROBOT & AUTOMATION

A ternary polymer-driven high-pressure sealing device

A high-pressure sealing device resistant to ternary lithium-ion and polymer-driven oil and gas extraction technologies is disclosed. It includes a hollow shaft and a central tube. A dynamic sealing mechanism is provided between the upper end of the hollow shaft and the upper end of the central tube. The dynamic sealing mechanism includes: an inner sealing sleeve, fixedly connected to the outer side of the upper end of the central tube and sealingly engaging with the outer wall of the central tube; an outer sealing sleeve, fixedly connected to the inner side of the upper end of the hollow shaft and sealingly engaging with the inner wall of the hollow shaft; and a Y-shaped sealing ring, disposed between the inner and outer sealing sleeves to seal the gap between them. There are at least two Y-shaped sealing rings. This invention replaces the traditional double-mirror mechanical seal structure, reducing the manufacturing and installation costs of the sealing structure, lowering the skill requirements for workers, while still ensuring sealing effectiveness.
Owner:DAQING DONGDA ENERGY SAVING TECH DEV SERVICE

Mechanical mechanism zero position adjustment tool

ActiveCN224445685UMeet pin hole requirementsMeet zero length requirementsClassical mechanicsControl theory
The application discloses a mechanical mechanism zero position adjustment tool, and relates to the technical field of zero position adjustment tools, comprising a base, a sliding block, a cushion block for providing auxiliary support for a mechanical mechanism, a first variable-diameter pin shaft, a second variable-diameter pin shaft, at least one adjustable cushion block for keeping the mechanical mechanism in a horizontal state and a vernier caliper; wherein the base is provided with a guide rail and a mounting block, and the left end of the guide rail is connected with the right end of the mounting block. The application can meet the pin shaft hole requirements of different specifications of mechanical mechanisms by adjusting the diameters of the first variable-diameter pin shaft and the second variable-diameter pin shaft, meet the zero position length requirements of different mechanical mechanisms by changing the position of the sliding block, and keep the mechanical mechanism in a horizontal and stable state during measurement by adjusting the height of the adjustable cushion block.
Owner:ZHONGKE AEROSPACE (GUANGZHOU) EQUIP IND CO LTD

A large-span steel structure lower hanging transfer floor system

ActiveCN224478621UImprove stabilityImprove construction work efficiencyLong spanBolt connection
The utility model belongs to the technical field of large-span steel structure transfer floor, concretely relates to a kind of large-span steel structure lower hanging transfer floor system, including two clamping pieces A and a clamping piece B, the clamping piece A and clamping piece B are respectively located at the upper end and lower end of the flange plate of the bottom of main body steel structure beam, and the opposite ends of two clamping pieces A respectively adhere to the web of main body steel structure beam, the opposite ends of two clamping pieces A are respectively fixedly connected by bolt A with the two ends of clamping piece B, the lower end of clamping piece B is fixedly connected by bolt B with transfer floor hanging keel.The utility model is connected by bolt, without welding, does not destroy original structure, easy to adjust, and operation efficiency is high.
Owner:SHANDONG TIANYUAN DECORATION ENG

A collar template for sewing a collar with integrated glueing and routing and a method for manufacturing the same

The present application relates to a kind of neck template of viscose wiring joint integration sewing and its manufacturing method, and the neck template includes cover plate one, cover plate two, cover plate three and cover plate four;Cover plate two is connected to the upper side of cover plate one by flexible structure that can be folded, cover plate three is connected to the lower side of cover plate one by flexible structure that can be folded, cover plate four is connected to the lower side of cover plate three by flexible structure that can be folded;Cutting piece positioning frame is arranged on cover plate one, for placing cutting piece;Pad is provided in cutting piece positioning frame, pad is made of elastic material, and high-temperature resistant paper is laid on the surface of pad;Abrasive paper is provided at the left and right ends of pad, and double-sided adhesive tape is provided in the middle of pad.The present application realizes viscose, wiring, jointing, jointing process integration by multilayer foldable combination template, solves the problem of inaccurate adhesive strip positioning, wiring deviation, uneven jointing and dependence on skilled workers, significantly improves production efficiency and product quality.
Owner:BOSIDENG DOWN WEAR LTD

General tool device for synchronous machining of three surfaces of inclined cover and valve body

ActiveCN224475910UAchieve one-time three-sided processingquick fitProcess engineeringMachining
The utility model provides a kind of general tooling device of three-face synchronous processing of inclined cover and valve body, belong to general tooling device technical field, this inclined cover and valve body three-face synchronous processing general tooling device includes basic support component, three-dimensional positioning system, synchronous pressing mechanism and generalization module;The basic support component provides installation base for entire device, the three-dimensional positioning system is set on the basic support component to realize the multi-angle positioning of workpiece, the synchronous pressing mechanism is fixed with the three-dimensional positioning system to workpiece and is pressed tightly, the generalization module is set on the three-dimensional positioning system to adapt to different specifications workpiece, the basic support component includes lathe flange and fixture bottom plate, the lathe flange is fixedly connected with the fixture bottom plate, and it is collectively constituted the basic installation platform of device, by integrated structure control cumulative machining error, overcome the defect that traditional tooling is low in precision, poor in versatility multiple clamping.
Owner:ANHUI KEFENG ALLOY CO LTD

Numerical control mounting device and method for filler neck of cotton thread hose

The invention discloses a cotton thread hose filler neck numerical control installation device and method, belongs to the technical field of machining, and can be used for installing a direct nozzle or a bent filler neck. When the direct nozzle is installed, the cotton thread hose filler neck numerical control installation device comprises a cotton thread hose, a triangular support, a semicircular fixing block with a fixing hole, a semicircular fixing block, a pipe sleeve, an outer sleeve nut and a mandrel with a conical surface positioning function; the direct pipe nozzle is arranged in the outer sleeve nut, the outer sleeve nut is screwed into the mandrel, and the direct pipe nozzle is fixed under the combined action of the outer sleeve nut and the mandrel. When the bent filler neck is installed, the bent filler neck comprises a cotton thread hose, a triangular support, a semicircular fixing block with a fixing hole, a semicircular fixing block, a pipe sleeve, an outer sleeve nut, a semicircular fixing block with a positioning cavity and a mandrel of the semicircular fixing block, and the bent filler neck is fixed by the semicircular fixing block and the mandrel through the internal shape. And the part of the bent filler neck fixed into the cotton hose is coaxial with the cotton hose. By improving the clamping mode and the screwing-in mode in the installation process of the cotton thread hose, the percent of pass and the production efficiency can be effectively improved.
Owner:DALIAN CHANGFENG IND CORP

A base for a computer gateway

ActiveCN224418893ULow skill level requiredSolve complex technical issues during installationStructural engineeringMechanical engineering
The utility model discloses a base for computer gateway, including gateway body and seat body, be provided with quick solid establishment on the seat body, quick solid establishment includes fixed plate and plug rod, and fixed plate is provided with multiple groups of abutment in the outer wall of gateway body, and plug rod is provided with multiple groups of fixed in seat body top surface and all fixed with the plug block of outer wall, and the plug hole is set up on the fixed plate, and the plug hole is provided with multiple groups and respectively with multiple groups of plug block and inserts, and the plug rod top is equipped with the rotation sleeve, and the inner wall of rotation sleeve is fixed with the clamping block, and the clamping block is provided with multiple groups and all outer wall is seted up with the card hole, and the plug rod outer wall is fixed with the mounting block, and the mounting block is provided with multiple groups and all outer wall is fixed with the clamping plate, and this mechanism adopts the structural form that fixed plate cooperates with plug rod, and fixed plate can directly abut in the outer wall of gateway body, and the plug block fixed on plug rod can realize quick plug -in connection with the plug hole on fixed plate, and do not need to use screwdriver special tool and carry out the tightening operation of each bolt.
Owner:BEIJING GUOSHANG WEALTH CREATION TECHNOLOGY CO LTD

A low-voltage automated control cabinet for fire protection

This utility model discloses a low-voltage automated control cabinet for fire protection, comprising a low-voltage automated control cabinet with three support plates inside. Each support plate has a mounting groove at both ends, and a mounting plate is installed within the groove. The mounting plate is slidably connected to the support plates. A first locking block is fixedly connected to one side of each mounting plate, and second locking blocks are fixedly connected to the inner walls of both sides of the low-voltage automated control cabinet. The first and second locking blocks engage with each other. The locking teeth of the first locking block have a beveled top and a horizontal bottom, while the locking teeth of the second locking block have a horizontal top and a beveled bottom. Two first guide rods are fixedly connected to the mounting plate on the side away from the first locking block. The first guide rods pass through the support plates and are slidably connected to the support plates. This utility model is simple to operate, facilitates adjustment of the support plate position, improves the flexibility of the device, effectively reduces the technical skill requirements for operators, and ensures work efficiency.
Owner:GUANGDONG IND TECHN COLLEGE +1

Lightweight high-strength prefabricated assembled ribbed bridge abutment

ActiveCN224478380UPut into use as soon as possibleShorten the construction periodArchitectural engineeringAbutment
The utility model discloses a light high -strength prefabricated assembled ribbed slab type abutment, include: bottom support platform, ribbed slab is provided with two groups, two groups of ribbed slab symmetry fixed connection in the top surface of bottom support platform, platform cap shell is fixed in the top of ribbed slab, the top surface fixed connection of ribbed slab has I -steel connecting piece, and I -steel connecting piece inserts into platform cap shell, and fixedly connected with connecting reinforcing steel bar, back wall, back wall side two ends symmetry fixed connection has ear wall, back wall and ear wall integrated, and the outside of platform cap shell is fixed between back wall, wherein, after I -steel connecting piece inserts into platform cap shell, uses concrete pouring fixed. The utility model each component can be prefabricated in advance in factory. In construction site, only need to carry out simple assembling operation, has greatly shortened construction period. Compared with traditional on -the -spot pouring construction mode, need not to wait for concrete maintenance to reach design strength, has saved a lot of time.
Owner:FUZHOU UNIV

Nondestructive testing process for buried gas pipeline joint

The invention discloses a buried gas pipeline joint nondestructive testing technology, and belongs to the technical field of pipeline nondestructive testing, the buried gas pipeline joint nondestructive testing technology comprises four core steps of preparation before detection, ultrasonic phased array detection, X-ray detection, combination determination and result output, and by customizing a test block calibration device, detection parameters are optimized according to pipeline specifications, and the pipeline joint nondestructive testing efficiency is improved. An ultrasonic phased array method and an X-ray method are combined for detection, and a standardized judgment rule is established; and meanwhile, the matched special auxiliary device comprises an ultrasonic phased array detection auxiliary device and an X-ray machine positioning device which are respectively used for fixing the probe and the X-ray machine, so that accurate detection positioning and tight probe fitting are ensured. According to the method, the defect recognition rate is larger than or equal to 98%, the defect position error is smaller than or equal to + / -2 mm, the method is matched with De63-De355 full-specification PE pipeline joints, operation is convenient and fast, efficiency is high, various common defects of the joints can be comprehensively recognized, quantitative analysis and qualification judgment are achieved, and reliable technical guarantee is provided for buried gas pipeline joint quality control and safe operation.
Owner:GUANGDONG INSPECTION & RES INST OF SPECIAL EQUIP ZHUHAI INSPECTION INST +2

Frequency converter communication optical fiber connector signal test system and method

The invention discloses a frequency converter communication optical fiber connector signal test system and method, and belongs to the technical field of optical fiber communication tests.The test system adopts an integrated framework of a modular main body and a rapid detection unit, and accurate test is achieved through modular design such as signal generation, receiving conditioning and analysis processing. And rapid screening is completed in combination with a resistance voltage division trigger circuit. The corresponding testing method comprises a rapid screening mode and a precise analysis mode, and efficient and precise detection of the conduction state, signal quality and fault type of the optical fiber transmitting head and the optical fiber receiving head is achieved through a standardized operation process, a clear judgment threshold value and an automatic algorithm. The system adapts to complex environments such as mines and the like, supports multiple types of optical fiber interfaces, is simple and convenient to operate, high in portability, clear in test method flow and accurate in judgment, and remarkably improves the troubleshooting efficiency and the maintenance quality of optical fiber communication components of the frequency converter.
Owner:HUAIBEI MINING CO LTD

A device for adjusting the height of the pelletizing forming roller in a calcium-zinc stabilizer pelletizer

The utility model discloses a device for adjusting the height of the granulating forming roller in the calcium-zinc stabilizer granulator, which comprises a bottom plate and two joists, the two joists are laid on the left and right sides of the upper end surface of the bottom plate along the front-to-back longitudinal direction, the opposite sides of the two joists are both provided with inclined surfaces gradually extending from top to bottom, the gap between the inclined surfaces on the two joists forms a storage cavity for accommodating the roller body on the granulating forming roller, and a spacing adjusting mechanism for adjusting the transverse width dimension of the storage cavity is arranged between the bottom plate and the two joists. The spacing adjusting mechanism is used to flexibly adjust the transverse width dimension of the storage cavity, so that the height position of the roller body of the granulating forming roller is flexibly adjusted, the center shaft of the roller body has one end of the screw segment, the smooth segment and the annular table segment, which can be quickly and smoothly inserted and installed in the three-section stepped mounting hole on the vertical bottom surface of the machine bin, the artificial operation burden is greatly reduced, the operation process is safe, and the installation efficiency of the granulating forming roller is improved.
Owner:BAERLOCHER PLASTIC ADDITIVES (JIANGSU) CO LTD