36results about How to "Quick support" patented technology

The utility model discloses a kind of textile fabric winding and unloading device, including base, main winding drive unit, movable support seat, main winding shaft, telescopic magnetic attraction clamping strip, pressure roller, cutting device and inclined discharge chute, wherein, the circumferential surface of main winding shaft is equipped with the slot that penetrates full length, telescopic magnetic attraction clamping strip is arranged in the slot inside and realizes fabric initial end clamping, movable support seat is used to support and separate main winding shaft.The reliable fixing of the device to fabric initial end by telescopic magnetic attraction clamping strip, the effective flattening of fabric by pressure roller, the automatic cutting of cutting device, and the automatic unloading of reel realized by movable support seat and inclined discharge chute linkage, effectively solve the problems of fabric inconvenient fixation, unstable winding quality and low unloading efficiency in prior art, significantly improve the automation degree, efficiency and quality of winding operation, and maintain the structure of device is simple and easy to maintain.

The invention provides a new energy unit transient stability optimization method and system based on active feed-forward, and belongs to the field of new energy power generation. The system includes a current command generator and a current controller. The method comprises the steps of collecting terminal voltage and current of a unit, calculating active power and detecting a transient fault; when a fault is detected, generating an active current instruction through active feed-forward control based on power grid voltage information obtained by an active power signal, a fault voltage amplitude signal and phase locking; meanwhile, a reactive current instruction is generated; a current reference instruction is synthesized, and a converter is driven through closed-loop control to provide power support. According to the method, an active feed-forward mechanism is introduced, so that the new energy unit can respond to the power shortage of the power grid in advance, active and reactive support is quickly provided, frequency drop and power oscillation in the transient process are effectively inhibited, and the transient stability of the power system under the access of high-proportion new energy is remarkably improved.

The utility model discloses a photovoltaic panel support relates to solar energy equipment technical field, wherein, photovoltaic panel support includes first support and second support, and the front end of first support is rotatively connected with the upper end of photovoltaic panel, and the rear end of first support is equipped with fastening assembly, and second support includes rotatively connected main support pole and adjusting support pole, and the one end of main support pole away from adjusting support pole is connected with the lower end of photovoltaic panel, and a plurality of adjusting structures are equipped on adjusting support pole, and adjusting structure is arranged at intervals along the extension direction of adjusting support pole, and fastening assembly can be connected with adjusting structure, and the utility model provides technical scheme to provide a photovoltaic panel support that is convenient to carry and is convenient to adjust support angle.

The invention provides an anchor rod yielding anti-impact component in a complex stress environment, and relates to the technical field of anchor rod supporting. The yielding anti-impact component is formed by embedding a conical oblate sleeve and a cylindrical sleeve with fan blades; the conical oblate sleeve is in an oblate shape, a cavity is formed in the middle in the oblate shape, solid arc-shaped inverted cones are arranged at the two ends in the oblate shape, a cylindrical cavity is formed in the middle of each cone, and the diameter of each cylindrical cavity is the same as that of the anchor rod. The cylindrical sleeve with the fan blades is composed of a center sleeve and the fan blades, the number of the fan blades is 4-8, one ends of the fan blades are evenly fixed to the outer wall of the center sleeve, the other ends of the fan blades are welded to the inner wall of the conical oblate sleeve, and the diameter of the center sleeve is the same as that of the anchor rod. Under pressure, the cylindrical sleeve with the fan blades is embedded into a cylindrical cavity in the conical oblate sleeve. The anchor rod can be protected and strengthened, the impact load can be adjusted, and certain deep complex environment universality is achieved.

The invention discloses a cable protection tube quality measuring device, and belongs to the technical field of cable protection tubes, the cable protection tube quality measuring device comprises a box body, cable protection tube supporting assemblies, an end plate moving assembly and a limiting assembly, the cable protection tube supporting assemblies are arranged on a left end plate and a right end plate of the box body, and the limiting assembly is arranged on the end plate moving assembly. The right end plate is slidably connected to the box body through the end plate moving assembly, the two opposite cable protection pipe supporting assemblies are embedded into the ends of the cable protection pipe and support the cable protection pipe, and the cable protection pipe supporting assemblies are locked through the limiting assembly after being adjusted. According to the device and the method, the internal supporting structure is embedded into the pipe body to realize supporting, and a plurality of cameras are combined to carry out surface defect automatic identification, so that the defects of easy surface damage and incomplete detection caused by clamping in the prior art are overcome, and a more efficient and reliable solution is provided for quality control of the cable protection pipe.

This invention discloses a system for lifting and orienting equipment underground, belonging to the technical field of auxiliary moving devices for underground equipment. It includes a monorail and the underground equipment to be transported; a monorail hoisting drive device is movably mounted on the monorail; a lifting and orienting assembly is also mounted on the monorail; the front end of the lifting and orienting assembly is connected to the monorail hoisting drive device via a traction beam; the underground equipment is detachably mounted on the bottom of the lifting and orienting assembly; the lifting and orienting assembly includes a crossbeam and a rotating beam, the rotating beam being able to rotate horizontally relative to the crossbeam. This invention effectively solves the problem that current underground equipment cannot be directly turned after being transported by monorails or other equipment, increasing the workload of transfer operations and labor costs.

The utility model discloses a light-weight plastic formwork rapid assembling and moving device for a water conservancy project cast-in-place concrete structure, and relates to the technical field of water conservancy projects, in particular to the light-weight plastic formwork rapid assembling and moving device for the water conservancy project cast-in-place concrete structure. A plurality of lead screws are welded to the lower surface of the top beam, the surfaces of the lead screws are sleeved with formworks, inserting holes and clamping grooves are sequentially formed in the two sides of each formwork from top to bottom, and supporting steel pipes are inserted into the inserting holes. The formwork is made of light engineering plastic materials, compared with a steel formwork, the weight is greatly reduced, the manpower and mechanical cost in the transportation and installation process is reduced, and the construction efficiency is improved; the templates are quickly assembled, namely the templates are designed by adopting clamping grooves and clamping blocks, and are matched with supporting steel pipes, lead screws and top beams to be welded into T-shaped brackets, so that the templates are quickly and accurately assembled and supported, the assembling time of a construction site is reduced, and the construction period is shortened.

The invention relates to the technical field of building construction, and discloses building, dismantling and building lifting integrated construction equipment and method.The building, dismantling and building lifting integrated construction equipment comprises a wall body, a bearing frame and a formwork, an operation platform is fixed to one side of the bearing frame, a plurality of supporting rods and a plurality of sliding bases are fixed to the other side of the bearing frame, supporting steel columns are slidably arranged on one sides of the sliding bases, and the supporting steel columns are arranged on the wall body; a movable pulley is fixed to the inner top wall of the supporting steel column, a fixed pulley and a winch which are fixed to the upper side of the cross beam are arranged on the outer side of the supporting steel column, and a steel wire rope is fixed to the lower side of the movable pulley. The equipment is alternately supported through the supporting rod and the bearing hanging rod, and the supporting steel column and the working platform are driven to alternately and vertically move through cooperation of the winch, the steel wire rope, the movable pulley and the fixed pulley, so that the problems that existing equipment is specially designed to climb or descend and is complex in structure, poor in universality and inconvenient to use are solved. And various construction requirements in the current complex environment cannot be met.

This utility model relates to the field of building construction inspection technology and discloses a verticality testing device for prefabricated building construction acceptance. It includes a connecting block, support rods, and pipe fittings. Two sets of support rods are vertically connected to the side of the connecting block. The connecting block is right-angled, with its right-angled side fitting between the wall and the ground. The two sets of support rods installed on the side can be folded and vertically unfolded by swinging. When folded, it is easy to store and transport; when unfolded into a right-angled shape, it can simultaneously fit against the ground and the wall. By using two sets of angle-adjustable support rods vertically installed on the side of the connecting block, with the two sets of support rods respectively fitting against the wall and the ground, and the connecting block fitting against the angle between the wall and the ground, the vertical angle between the wall and the ground can be quickly detected by observing the value of the angle mark corresponding to the adjustment knob on the rotating roller of the support rod. This effectively improves the accuracy and efficiency of the detection.

The utility model provides a kind of square barrel packaging conveying boxing mechanism, including conveying belt upper side is equipped with channeling area and closing seam area in turn along material movement direction, channeling area includes multiple material channels, and closing seam area two sides are equipped with clamping lever, and clamping lever can be mutually close or far away, when clamping lever far away to limit position, material channel can be with the space between two clamping lever respectively opposite;Conveying roller, upper side is equipped with prop box mechanism, prop box mechanism includes multiple relatively arranged dialing piece, every dialing piece can rotate with itself one end as pivot, and when dialing piece rotates to limit position, dialing piece can rotate to the side of pivot far away opposite dialing piece;Grabbing unit, it can move between closing seam area and prop box mechanism.The utility model transports material to clamping lever between using conveying belt, eliminate the gap of movement direction between square barrel by the friction of conveying belt, make square barrel eliminate the gap of conveying belt width direction by two clamping lever, so that square barrel boxing can be more compact.

The invention belongs to the technical field of full-section rock tunnel boring machines, and particularly provides a steel-concrete combined pipe piece supporting open type rock tunnel boring machine which comprises a shield, an excavation system, a steel-concrete combined steel pipe piece, a supporting and propelling system, a belt conveyor slag removal system and a pipe piece assembling mechanism, and the excavation system, the steel-concrete combined steel pipe piece, the supporting and propelling system, the belt conveyor slag removal system and the pipe piece assembling mechanism are installed in the shield. The excavation system is used for tunneling and excavating the tunnel; the excavation system and the shield are mutually connected to form heading machine main equipment; the steel-concrete combined steel pipe sheets are used for stably excavating a channel and supporting a tunnel wall; the supporting and propelling system is used for supporting the heading machine main equipment and adjusting the heading posture of the heading machine main equipment; the belt conveyor slag removal system is used for conveying broken rocks generated in the tunneling process of the excavation system to the outside of the tunnel; the pipe piece assembling mechanism is used for grabbing and conveying steel-concrete combined steel pipe pieces or steel arches. The steel-concrete combined steel pipe pieces are arranged, the structure is reinforced only through concrete, a thin shell is used for replacing a thick steel plate, and the overall light weight effect is achieved.

The utility model discloses a groove supporting structure for old urban area construction, which comprises an upper support formed by arranging a plurality of parallel channel steels; the lower surface of the upper support is connected with adjustable diagonal bracings, and a vertical support is clamped between the adjustable diagonal bracings; the adjustable diagonal brace comprises two pieces of channel steel which are arranged in parallel, and the two pieces of channel steel are perpendicular to the multiple pieces of channel steel of the upper support; kidney-shaped holes penetrating through the upper surface and the lower surface are formed in the two ends of channel steel of the upper support, a plurality of penetrating threaded holes are formed in the upper surface of the adjustable diagonal brace at equal intervals, and the adjustable diagonal brace is connected with the kidney-shaped holes of the upper support in the mode that screws penetrate through the threaded holes. The vertical support is arranged between the two pieces of channel steel of the adjustable diagonal bracings; the device solves the problems that in the prior art, collapse is prone to occurring during construction in a poor geological area, and an existing concrete construction method is too long in construction period, low in efficiency and lack of an efficient supporting mode, and has the advantages that supporting can be rapidly conducted in a groove, and the construction efficiency and safety are guaranteed.

The application provides a PLC device alias identification and online authorization method and system. A device alias mapping network is constructed based on a red-black tree to record original PLC devices and corresponding original model information. The system generates an authentication code according to the original model information of the customized device. A user inputs the authentication code and obtains a user PLC device customized model. The original PLC device is upgraded to the customized model by using a firmware upgrade tool. A server randomly generates a salt value. The PLC device performs MD5 encryption on the randomly generated salt value and a unique identifier. The encryption result is used as a complete salt. The PLC device model and manufacturer information are MD5 encrypted as an authentication password. The verification information is AES encrypted. The encrypted verification value is compared and verified. If the verification information is consistent, the authorization is passed. The application can quickly release new device models, reduce operation and maintenance costs, and reduce the waiting time for repeated packaging tests.

The invention discloses a synergistic preparation method of an all-solid waste road base material containing stone powder and recycled coarse aggregate, and belongs to the technical field of road engineering and solid waste recycling. The method comprises the following steps: taking recycled coarse aggregate, recycled fine aggregate and stone powder as cores, matching with steel slag, fly ash and desulfurized gypsum to construct an all-solid-waste system, carrying out optimization pretreatment on the raw materials, mixing 65-78 parts of recycled coarse aggregate, 20-28 parts of recycled fine aggregate, 12-18 parts of stone powder, 12-19 parts of steel slag, 7-14 parts of fly ash, 4-7 parts of desulfurized gypsum and 2.5-4.5 parts of an exciting agent, and uniformly stirring to obtain a mixture; and finally, carrying out natural curing in a standard curing box to obtain the road base material. 100% solid waste utilization is achieved, the 28d unconfined compressive strength of the material is larger than or equal to 5.2 MPa, carbon emission is reduced by 60% or above, large-scale equipment is not needed, the material is suitable for road bases in multi-climate areas, and environmental protection and engineering performance are both considered.

The utility model relates to sintering processing technical field especially relates to a kind of sintering frock of silicon carbide ceramic crystal boat, including base, intermediate support plate, first backing plate and backing plate etc., the upper side of base middle part is connected with left and right two intermediate support plates, the first backing plate is placed in the front and rear two parts of intermediate support plate, the first backing plate is placed with backing plate uniformly.This utility model is fixed with the contact and fixation of first limiting plate and first limiting base and base, then install first backing plate and second backing plate etc., then the crystal boat body is placed on backing plate, and is fixed after contact with backrest, then install adjusting limiting plate, and then push adjusting compression plate and move to the crystal boat body limiting, to be able to quickly position, clamping and support to crystal boat body, it is convenient for crystal boat body quick fixation, prevent crystal boat body displacement or wobble in sintering process, reduce deformation and crack, improve sintering quality.

This utility model relates to a suspended folding stool, comprising a support frame and a suspended backrest cushion mounted on the support frame. The suspended backrest cushion consists of a backrest and a seat, connected by a transition edge. The backrest comprises a central backrest and two side support sections, with a first support bar on each support section connecting to the support frame. The seat comprises a seat section and a hip support, which unfolds to form a V-shape. A second support bar on the hip support connects to the support frame. The entire backrest and seat are suspended above the support frame via the first and second support bars. This utility model features a simple and reasonable overall structure, multiple functions, comfortable seating, practicality, and is easy to install and store, occupying a small area after folding.

The invention relates to the technical field of inspection well pouring, in particular to a circular inspection well lid adjusting layer concrete cast-in-place mold which comprises an annular mold plate, and the annular mold plate is formed by welding a plurality of reinforcing transverse plates to the tops of an inner ring mold plate and an outer ring mold plate; the spiral groove outer rod is erected in the center of the annular template, and the center of the top end of the spiral groove outer rod is in threaded connection with the spiral inner rod; the three multi-stage spiral lifting supporting rods are annularly distributed around the peripheral side of the vertical rod at equal intervals. Through cooperation of the side supporting plates, the bearing plates and the spiral transmission structure, rapid supporting and dismantling of the arc-shaped well wall formwork are achieved, the problems that bolt embedding operation is tedious, and the formwork is difficult to dismantle and cannot be recycled are solved, the construction difficulty is greatly reduced, the working time is shortened, and the construction efficiency is improved; the mold ensures no displacement in the pouring process through a multi-locking structure, the concrete pouring quality of the adjusting layer is guaranteed, the telescopic rod can be flexibly telescopic, and the pouring requirements of the adjusting layers of the circular inspection wells with different diameters are met.

Embodiments of the present application provide a version management method, a single board, a device and a computer program product. The method can include: in response to a current system version of a target device not supporting the single board, determining whether version information of the current system version is contained in version information of at least one system version stored locally by the single board, the target device being a device accessed by the single board; and in response to the version information of the current system version being contained in the version information of the at least one system version, starting the single board according to a version file of the single board stored locally. In this way, the purpose of quickly supporting a new single board by an old system can be achieved.

This application provides a method and system for standardized enterprise data management based on an indicator system, relating to the field of data standardization management technology. The method includes: constructing an enterprise data governance and control system; establishing a hierarchical indicator system framework based on the data governance organizational structure; standardizing the definition of the hierarchical indicator system framework according to data governance procedures and processes, and combining the defined business attributes, technical attributes, and management attributes; building an indicator management platform to manage the hierarchical indicator standardization framework; developing indicator modeling based on a big data platform to construct standard indicator parameters; conducting extended analysis of the standard indicator parameters for business decision-making; and synchronizing multi-level correlation analysis parameters via mobile devices to achieve multi-terminal data synchronization. This application addresses the technical problem of the lack of a unified standardized framework for data management in existing technologies, achieving the technical effect of standardized indicator definition and composite indicator management.

The utility model provides a kind of mute warehouse beam column connecting structure, it is related to the field of construction, including crossbeam, stringer and stand, still include two connecting pieces and two connecting plates, two connecting plates are fixedly connected with crossbeam and stand respectively, the inner side wall of stringer is additionally equipped with two vertical and non-intersecting fixed plates, connecting groove is all set on two fixed plates, the both ends of connecting piece are located in fixed plate and the inner side wall of connecting plate respectively, two connecting plates are fixedly connected with two fixed plates by two connecting pieces, two vertical and non-intersecting fixed plates are equipped in the inner side wall of stringer, respectively for connecting two connecting pieces, connecting groove is set on two fixed plates, two connecting grooves are connected with crossbeam and stand respectively by two connecting pieces, connecting groove can reach the effect of quick positioning and auxiliary support, unnecessary many people cooperate, install and dismount the mute warehouse beam column to a certain extent.

The utility model relates to welding tool technical field, especially a kind of inner support type position tool for rectangular box welding, including inner support device, tool frame, inner support sliding table and workbench sliding table, inner support device includes inner support frame, rotary drive mechanism and support assembly, inner support frame four sides are provided with support assembly, its both ends are provided with rotary drive mechanism, rotary drive mechanism side has lifting device, the bottom of both sides lifting device is provided with positioning cone, inner support sliding table is slidably connected with inner support frame. First, second inner support plate of support assembly is controlled by independent cylinder, rotary drive mechanism is slidably connected with lifting device. The utility model can flexibly adjust reverse deformation by setting inner support device, offset the thermal stress deformation generated in welding process, flexibly adapt to different specifications box, realize multi-angle welding and accurate positioning, compact structure, it is convenient to move, can effectively support thin-walled box, avoid deformation damage.

The invention discloses a reactive power quick response method of a network construction type energy storage converter, which is characterized in that a high-pass filter is connected in parallel on a virtual impedance voltage drop feedforward path, so that the transient support capability is skillfully improved while the steady-state current limiting is not influenced. And a steady-state component in the feed-forward signal is effectively filtered through the high-pass filter, so that the current limiting effect of the virtual impedance in a steady state is not weakened. Meanwhile, for the rapid current change in the transient process, the high-pass filter can enable the current to smoothly pass through, so that the output voltage is rapidly supported, the problem of steady-state current limiting failure caused by direct feed-forward is avoided, and the defect of slow reactive transient response is overcome. The method has higher flexibility, robustness and adaptability, can more stably and reliably improve the voltage source characteristics of the grid-forming type energy storage converter, and provides more effective voltage support for a power grid.

The utility model discloses a coal mine shed roadway temporary supporting device which comprises a telescopic top frame, the telescopic top frame comprises fixed arms arranged in parallel, telescopic arms driven by hydraulic telescopic oil cylinders are arranged in the fixed arms, a second connecting rod is fixedly connected between the front ends of the telescopic arms on the two sides, and a beam trimmer is arranged on the second connecting rod. The telescopic stand columns are symmetrically arranged below the telescopic top frame and comprise fixing columns, telescopic columns driven by lifting hydraulic oil cylinders are arranged in the fixing columns, the front ends of the telescopic columns on the two sides are hinged to the lower portions of the fixing arms on the two sides respectively, and the lower ends of the fixing columns on the two sides are hinged to grafting combined fasteners. The grafting combination fasteners on the two sides are fixedly connected to the two sides of a large frame of the heading machine respectively, and a connecting column is connected between the fixing columns on the two sides and connected to the upper portion of a cutting arm of the heading machine through a turnover hydraulic cylinder. The device can safely, reliably and quickly support the empty roof area, the safety of tunneling production is greatly improved, the production efficiency is greatly improved, and the device is convenient to use.

This invention discloses a vision-based inspection system and method for verifying the geometric consistency of a launch nozzle assembly. The system comprises a dual-layer tooling positioning unit, a vision acquisition unit, a data processing unit, and a result determination unit. The dual-layer tooling positioning unit establishes a three-dimensional coordinate system using a laser displacement sensor; the vision acquisition unit employs a layered top structured light camera and a side-mounted supplementary scanning camera to simultaneously acquire point cloud images of the top of the assembly and side images of the interference zone; the data processing unit performs nozzle quantity verification, gasket quantity statistics, centering deviation calculation, and levelness difference determination; the result determination unit outputs a graded report. The verification method based on this system includes four steps: tooling positioning and initialization, vision data acquisition, data processing and feature verification, and result output and module reset. This invention provides an efficient and reliable technical solution for precision geometric feature verification in high-density assembly scenarios, effectively replacing manual inspection and improving the efficiency and reliability of assembly quality control.

The invention relates to a suspension type tube plate welding machine head which comprises a machine head body, a welding torch, a welding torch adjusting mechanism, a wire feeding mechanism and a center positioning shaft are arranged at one end of the machine head body, and at least two supporting rod assemblies capable of being expanded in the radial direction are arranged around the machine head body. One end of the integrated box body is connected with the other end of the machine head main body, a lifting appliance is fixed to the top of the integrated box body, and a central pipe is arranged in the integrated box body in the axial direction in a penetrating mode; the center positioning shaft is connected with one end of the center pipe through an expansion sleeve assembly. A sliding ring assembly is arranged in the integrated box body and coaxially arranged on the periphery of the center pipe in a sleeving mode. And a water-gas sharing flow channel surrounding the slip ring assembly is also arranged in the integrated box body. By means of the modular design and the highly-integrated box body, the whole machine is compact in structure, the weight is obviously reduced, rapid hanging, flexible moving and accurate positioning can be achieved through the top lifting tool, and the adaptability to large workpiece multi-position welding and narrow space operation is greatly improved.

This invention discloses a device for adjusting the arc shape of a vehicle's outward-swinging door and its usage method, belonging to the field of vehicle manufacturing technology. It includes a connecting beam structure and a clamping mechanism. The connecting beam structure has a support beam positioned along the length of the outward-swinging door on its inner side. The clamping mechanism has an L-shaped adjusting guide rod. One end of the adjusting guide rod is slidably mounted on the support beam on the side away from the outward-swinging door, and the other end has a connecting crossbar positioned on the outer arc-shaped surface of the outward-swinging door. The adjusting guide rod and the connecting crossbar form a U-shaped structure, with its open end positioned on the side of the outward-swinging door. The connecting crossbar can move closer to or further away from the outward-swinging door along the adjusting guide rod. A clamping component is mounted on the connecting crossbar, symmetrically arranged with the support beam along the outward-swinging door. This invention enables visual comparison and rapid, precise adjustment of the outward-swinging door's arc shape against the vehicle frame, improving the consistency of product adjustment quality and production efficiency.

This invention discloses a method for predicting the T2 spectrum of rock nuclear magnetic resonance (NMR) based on image feature transfer learning, relating to the field of oil and gas exploration and development technology. The method includes: S1. Standardization and enhancement preprocessing of rock casting thin section images; S2. Hybrid feature extraction fusing pre-trained deep features and handcrafted rock physical features; S3. Construction and training of a regression model from high-dimensional features to T2 spectrum under small sample conditions; S4. Direct prediction of rock NMR T2 spectrum. By employing image feature transfer and small sample learning strategies, this method overcomes the limitations of traditional NMR experiments, such as high requirements for core samples, long measurement cycles, and high costs. It enables rapid and efficient prediction of rock NMR T2 spectra using a small number of casting thin section images. Simultaneously, it significantly reduces the cost and time of rock property analysis, providing rapid support for rock property parameters in oil and gas reservoir evaluation, and has broad application prospects and economic benefits.