40results about How to "Solve space problems" patented technology

The invention provides a transformer fault feature fusion diagnosis method and system based on multi-modal time sequence data reconstruction, and relates to the technical field of power system transformer fault diagnos.The method comprises the steps that firstly, a gas-in-oil-dissolved time sequence waveform, a box wall vibration time sequence waveform and a sleeve heat map time sequence waveform are captured respectively; inputting a pre-constructed transformer operation situation reconstruction network to perform cross-modal physical field space-time alignment processing, generating a transformer multi-physical field evolution trajectory taking a fault energy injection point as an initial reference, and performing topology traceability tracking processing of fault feature clues on the transformer multi-physical field evolution trajectory to obtain a transformer global fault feature topology chain; and inputting a fault mode semantic analysis network, generating a transformer comprehensive diagnosis descriptor fusing a fault type semantic tag and a fault space positioning coordinate, extracting a local evolution trajectory fragment, generating a maintenance decision trigger instruction containing a fault residual life consumption rate, and sending the maintenance decision trigger instruction to a transformer on-line monitoring master station system. Safe and stable operation of the transformer is ensured.

This utility model relates to a tray rack and table, comprising two crossbeams and symmetrically arranged left and right side panels. Each of the left and right side panels has a mounting assembly at its bottom for supporting the crossbeams and shelves. The two crossbeams are respectively located at the front and rear ends of the tray rack, and both ends of each crossbeam are detachably connected to the mounting assemblies on the left and right side panels. Each of the front and rear ends of the left and right side panels has a hanging assembly, which includes a rotatable first hanging member and a rotatable second hanging member. One of the first and second hanging members is selectively hung on a supporting structure for adjusting the height of the tray rack. This utility model's tray rack is not only convenient to store and carry, and easy to assemble and disassemble, but also has the advantages of scene adaptability.

The application discloses a kind of intersection coincident multi-axis optical fiber butt joint fixture, including machine table, fixed seat and translation mechanism being arranged on machine table.First, second angle fine adjustment assembly is sequentially installed on translation mechanism, clamping component is connected to the end of second angle fine adjustment assembly, for suspending clamping upper ferrule.First rotation axis and second rotation axis orthogonally intersect in space, and with fixed seat center axis line common precision intersection in same butt joint reference point;At the same time, the center axis line of the clamping component can coincide with first rotation axis in space.The application completely decouples translation addressing and attitude rotation from kinematic geometry, so that the upper ferrule end face is anchored on reference point and deflected in situ, eliminating position interference and arc swing during adjustment, greatly improving the precision and efficiency of optical fiber butt joint.

This invention belongs to the technical field of power equipment operation and maintenance, power distribution line construction, and high-altitude operation machinery. A pole-mounted transformer replacement device based on a truck-mounted crane is characterized by comprising a main frame and support system, a translational load-bearing system, a chain drive system, and a vertical lifting and centering system. The main frame and support system includes a main load-bearing frame, stabilizing legs, and lifting lugs. The translational load-bearing system includes a translational load-bearing platform and a linear guide rail slider assembly. The chain drive system mainly consists of a geared motor, a drive gear, a driven gear, a short transmission chain, a drive sprocket shaft, a bearing support seat, a long transmission chain, and a reducer mounting support. The vertical lifting and centering system includes a centering mechanism, a vertical lifting mechanism, and a vertical lifting support plate. The centering mechanism includes a horizontal drive motor, a horizontal push rod mechanism, and a guide bracket. This device can be transported by truck, deployed quickly, and is suitable for operation in confined and electrified environments.

This invention discloses a two-branch image dehazing method based on edge constraints, comprising the following steps: Step 1: Constructing an image dehazing dataset; Step 2: Obtaining edge maps of the images using the Canny edge detection operator, and constructing a training sample using the edge maps, corresponding fog maps, and clear maps; Step 3: Randomly segmenting the images in the training samples as input to the network, and using data augmentation methods to expand the sample size; Step 4: Constructing a two-branch dehazing network based on edge constraints, including a dehazing subnetwork and an edge subnetwork; Step 5: Initializing network parameters and constructing a target loss function to optimize the parameters of the two-branch dehazing network; Step 6: Using the trained model to dehaze the test fog map to obtain a clear, fog-free image. This invention can utilize edge constraints to recover clear, fog-free images, solving the problem of lost spatial details and semantic inconsistencies in the repaired images during image dehazing tasks.

The application discloses a power transmission line crimping pipe X-ray detection device, system and method, which comprises the following steps: driving a detection module to reach a detection position through a lifting mechanism; driving the detection module to cover the crimping pipe detection range on the left and right sides in the same plane through a swing mechanism; or driving a first receiving plate and a second receiving plate to open through an opening and closing mechanism, and making the first receiving plate and the second receiving plate cover the crimping pipe detection range; and adjusting the angle of an emitter through a swing mechanism to make the emitter align with the first receiving plate or the second receiving plate. The detection position can be adaptively adjusted, the comprehensiveness and accuracy of detection are ensured, the traditional artificial tower climbing detection operation is replaced, and the intelligent detection operation level of the power transmission line crimping pipe is improved.

The utility model provides an explosion-proof type large motor bearing mechanism, and relates to the field of explosion-proof type large motor bearing carrying capacity structures, the explosion-proof type large motor bearing mechanism comprises end covers, an inner cover, an outer cover, a ball bearing, a ball bearing and a shaft, the end covers are fixed at two ends of a motor stator, the ball bearing and the ball bearing are installed on the shaft in a matched mode, and the inner cover is fixed on the outer cover. The inner cover is assembled on the inner side of the ball bearing, and the outer cover is assembled on the outer side of the ball bearing. According to the utility model, the problem of poor bearing capacity of a large-scale ball bearing can be solved by selecting a mode of simultaneously placing two bearings, one ball bearing and another ball bearing on one side of the motor, the axial direction of the ball bearing can prevent the motor from tilting and the axial movement of the rotor, and the ball bearing can effectively solve the problem of radial force of the motor; narrow-series bearings are selected as the ball bearing and the ball bearing respectively, the two sets of shafts are used together in a matched mode, the reliability, the size and the price are all lower than those of a large ball bearing, and therefore the bearing capacity of the explosion-proof type large motor bearing can be smoothly improved.

This utility model discloses a maintenance-friendly power distribution cabinet, belonging to the technical field of power distribution cabinets. The utility model includes a protective outer shell, which comprises a housing with a door on the front and a door on each side, each door having an observation window. A circumferential rotation mechanism includes two corresponding bearing seats, each bearing seat having a shaft positioning hole that aligns with a shaft. The shaft connects to an equipment support frame. Inside the equipment support frame, three corresponding dovetail guide rails are distributed on each of the left and right sides. The dovetail guide rails slide in conjunction with dovetail sliders, and a support rod is connected between two dovetail sliders. The circumferential rotation mechanism also includes a support seat, the layout of which is identical to that of the bearing seats. The bearing seats and support seats are stacked inside the protective outer shell. This utility model solves the problems of common power distribution cabinets, such as immobile frames, difficult maintenance, and difficulty in observing internal conditions, through modular layering of the internal space and the addition of multiple visual doors.

The application provides a fine-grained geographic spatial knowledge graph construction and query method and system, relates to the technical field of geographic information science, and comprises the following steps: expressing and calculating spatial relationship through a DE-9IM model; defining a fine-grained geographic spatial knowledge graph and a strong geographic spatial relationship; extracting target information in the data set to obtain a knowledge graph ontology structure; using a spatial interconnection algorithm to obtain SGRs and construct a knowledge graph; defining SGR query, dividing the SGR query into accurate query and approximate query; accurately querying the fine-grained geographic spatial knowledge graph FineGeoKG through an accuracy query algorithm; and approximately querying the fine-grained geographic spatial knowledge graph FineGeoKG through an approximate query algorithm. The fine-grained geographic spatial knowledge graph (FineGeoKG) and the related algorithm provided in the application adopt new technical means and methods, improve the efficiency of solving the spatial relationship related problems in the geographic space, and provide a reference solution for similar problems.

The application discloses a robot morphology directional evolution method based on environment perception and a related device, and relates to the technical field of robot morphology evolution. The method comprises the following steps: initializing a morphology gene vector and a control strategy of a robot; sampling and executing an action strategy according to the control strategy and environment perception information, and then calculating a system benefit value; judging whether the morphology gene vector of the robot is adapted to a current environment according to the environment perception information and the system benefit value; when the judgment result is yes, performing a mutation operation on the morphology gene vector of the robot based on a morphology mutation matrix; otherwise, jumping back to the step of sampling and executing the action strategy until a maximum iteration number is reached. The application quantifies the cumulative stimulation of environmental changes on the robot through an environment perception function to determine whether the robot needs to perform morphology evolution, and guides the direction of morphology evolution of the robot in different environments through the morphology mutation matrix, thereby accelerating the morphology evolution process of the robot.

This invention discloses a rapid reconstruction method for full-scene highway reconstruction based on multi-source parallax control and adaptive explicit radiance field, belonging to the field of 3D reconstruction technology. It includes: acquiring multi-source image data and calculating camera pose using differentiated strategies for scenes such as highways, bridges, and tunnels; representing the scene with an anisotropic set of 3D Gaussian spheres, and achieving accurate 3D-to-2D mapping through the covariance projection formula; iteratively optimizing Gaussian sphere properties using an adaptive density control strategy based on gradient threshold and volume constraints, automatically cloning / splitting in detail regions to improve accuracy; and achieving real-time rendering of over 60 FPS using tile-based parallel cardinality sorting and an alpha mixing formula. This method solves the problems of high cost, near-field blurring, disconnect between tunnel interiors and exteriors, and difficulty in real-time interaction associated with traditional methods, achieving rapid modeling and incremental updates within 24 hours, significantly improving reconstruction efficiency, detail fidelity, and user experience.

The utility model belongs to the technical field of archive storage for human resource management, and discloses a human resource management device which comprises an archive storage box, a plurality of partition plates are arranged in the archive storage box, the partition plates are installed in the archive storage box through fixing pieces, and the fixing pieces comprise springs and plugs. Assembling grooves and inserting grooves are formed in the two opposite sides of the partition plate, the springs are arranged in the assembling grooves, the inserting heads are slidably inserted into the inserting grooves, one ends of the springs abut against one ends of the assembling grooves, the other ends of the springs abut against one ends of the inserting heads, and a plurality of arc-shaped positioning grooves are formed in the inner walls of the two opposite sides of the file storage box; according to the file storage box, through the position-adjustable partition plates and the fixing pieces matched with the partition plates, the partition layout in the file storage box can be flexibly changed, and the problem that space is insufficient or waste is caused when the number of files is large is effectively solved.

The application discloses a kind of space neighborhood reconstruction self-encoding multimodal fusion vector generation method, belong to geographic information science, computer vision and artificial intelligence cross technical field.The present mask self-encoding technique is only stopped at the technical limitation of grid level spatial unit, cannot process the heterogeneous modal vector of geographical entity with independent identity, the application proposes a kind of geographical entity-oriented multimodal mask self-encoding training framework: the multiple heterogeneous modal vectors of geographical entity with independent entity identification are randomly masked, the heterogeneous modal vector information of adjacent entity in the space neighborhood determined by k-ring algorithm is used, the masked modal is reconstructed by multimodal fusion network using the remaining modal vector of the entity not masked;With the weighted combination of reconstruction loss and contrast learning loss, the fusion network parameters are jointly optimized.The application also provides a joint optimization method and a cold start and gradual switching method.

The invention discloses a high-precision cavity light force micro gyroscope based on magnetostriction material driving and an angular velocity measurement method, and belongs to the technical field of high-precision angular velocity measurement. The gyroscope comprises a base, a mechanical structure, a magnetostriction driving structure and optical structures, and the optical structures are located at the two ends of the mechanical structure; the magnetostriction driving structure is located below the mechanical structure. The magnetostrictive material is integrated in the driving frame of the gyroscope, a capacitance comb tooth structure required by electrostatic driving is not needed, the risk of electrostatic attraction failure is avoided, the driving stability and the environmental adaptability are improved, the driving frame is compatible with an SOI processing technology, and the angular velocity detection sensitivity and the long-term working reliability of the cavity light force micro gyroscope can be effectively guaranteed.

This application relates to the field of autonomous driving technology, and in particular to a multimodal fusion perception method, device, vehicle, and storage medium for vehicles. The method includes: acquiring laser point cloud data collected by an onboard LiDAR and image data collected by an onboard camera; placing all laser point clouds from the laser point cloud data into voxels on a target overhead view, and extracting laser voxel features from the laser point cloud data; extracting two-dimensional image features from each image in the image data, projecting them onto voxels on the target overhead view, and extracting visual voxel features from the image data; aligning the laser voxel features and visual voxel features in time and space, and then fusing them on the target overhead view to obtain the multimodal fusion perception result of the vehicle using the fused features. This solves the problems of related technologies that perform target-level fusion based on single-sensor detection results, which cannot fuse data from multiple sensors, resulting in large errors and low perception accuracy.

The invention discloses a road full-scene rapid reconstruction method based on multi-source parallax control and an adaptive explicit radiation field, and relates to the technical field of three-dimensional reconstruction. Comprising the following steps: collecting multi-source image data by adopting a differentiation strategy aiming at scenes such as roads, bridges and tunnels, and resolving camera poses; the scene is represented by an anisotropic three-dimensional Gaussian ball set, and accurate mapping from three dimensions to two dimensions is realized through a covariance projection formula; gaussian ball attributes are iteratively optimized based on an adaptive density control strategy of a gradient threshold and volume constraint, and automatic cloning / splitting is carried out in a detail area to improve precision; and real-time rendering of more than 60FPS is realized by adopting parallel cardinal number sorting based on image blocks and an Alpha mixed formula. The problems that a traditional method is high in cost, the close shot is fuzzy, the interior and exterior of the tunnel are disjointed, and real-time interaction is difficult are solved, rapid modeling and incremental updating within 24 hours are achieved, and the reconstruction efficiency, the detail fidelity and the user experience are remarkably improved.

This application discloses a seat backrest lock structure, including a seat base frame and a backrest frame. A locking mechanism is located on the lower side of the backrest frame, and an unlocking mechanism is located in the middle of the lower part of the backrest frame. The locking and unlocking mechanisms are connected by a detachable pull cable. The locking mechanism includes a fixed bushing, a stop pin, and an elastic element. The fixed bushing passes through the lower end of the side rod of the backrest frame. The stop pin reciprocates within the fixed bushing in cooperation with the elastic element. The base frame has a stop hole, into which the stop pin extends to secure the backrest frame. The unlocking mechanism includes an adjusting handle, a stepped screw, a pull cable fixing plate, and a reset elastic element. The stepped screw connects the adjusting handle and the pull cable fixing plate. When the adjusting handle is rotated around the stepped screw as a pivot, the stop pin can be pulled out of the stop hole to unlock the backrest lock. This application increases the structural strength of the seat frame while simplifying the backrest lock structure, simplifying the overall seat unlocking structure, resulting in high strength, low cost, and improved user experience.

This utility model discloses a synchronous air intake and exhaust architecture and a fresh air device based on a single-pipe internal cavity, relating to the field of air purification equipment technology. It includes: an outer pipe body; an inner pipe body embedded inside the outer pipe body, with an independent exhaust cavity formed inside the inner pipe body, and an independent air intake cavity formed inside the outer pipe body corresponding to the outside of the inner pipe body, the exhaust cavity and the air intake cavity being arranged alternately inside the outer pipe body; and a wind-driven component with two wind output ends, the two wind output ends of the wind-driven component being arranged one-to-one with the output airflow direction in the exhaust cavity and the air intake cavity, respectively. This solves the technical problems of poor installation adaptability and low ventilation efficiency of existing fresh air units.

The utility model relates to imaging equipment developing component technical field especially, a kind of quick dismounting powder outlet knife, including powder outlet knife, powder outlet knife both ends are provided with mounting hole, printer is provided with the installation plane that is connected with powder outlet knife, screw is fixed on installation plane by the mounting hole of powder outlet knife, powder outlet knife top plate bottom side is connected with fixed rod, sleeve is connected to the top surface of pressing plate, fixed rod is slidably connected in sleeve, reset spring is provided in sleeve, one end of reset spring is fixedly connected with pressing plate, the other end is fixedly connected with fixed rod, pressing plate is in contact with installation plane, when powder outlet knife is installed and screwed in screw, pressing plate and fixed rod extrude reset spring, powder outlet knife top is provided with the lifting assembly that it is convenient to pull out. Through the elastic cooperation of reset spring and fixed rod, sleeve, realize the automatic lifting function of powder outlet knife, make powder outlet knife both ends and installation plane form suspension space gap, significantly reduce the dismounting difficulty, reach the purpose of convenient dismounting.

This invention discloses a method, apparatus, and storage medium for cataloging and locating space targets based on optical observation. The method includes the following steps: acquiring multiple observation images taken consecutively at the same location; performing noise reduction filtering on the acquired observation images and uniformly outputting corresponding astronomical images; extracting all identifiable stars from the astronomical images and outputting a list of stars; identifying stars in the astronomical images and outputting a list of stars using the movement characteristics of stars and satellites; filtering out all identified stars and identifying space targets from the remaining stars; locating the named stars using a lookup table method; and locating the identified space targets using a triangulation geometric algorithm. This invention can use mainstream astronomical telescopes on the market to achieve target discovery and location. Compared with methods that rely on radar systems to identify and locate space targets, this invention is easier to implement and can effectively reduce cataloging costs.

This utility model relates to the field of low-voltage starting equipment technology, specifically a low-voltage starting device with voltage monitoring, including an assembly plate. A starting component is installed on one side of the assembly plate by bolts. The assembly plate has three through-holes parallel to each other above and below the starting component. An angle plate is fixedly installed on the top of the side of the assembly plate opposite to the starting component. The angle plate fits into the external distribution cabinet bracket to facilitate the overall installation. This utility model achieves suspension positioning by pre-fitting the angle plate at the top of the assembly plate into the distribution cabinet bracket, and then forming double anchoring with the bolts fixed by the through-holes. This overcomes the installation efficiency problem of traditional equipment requiring multiple people to coordinate positioning. Furthermore, three sets of thyristor modules are connected to the upper and lower guide plates that pass through the box to form the main circuit channel, and the closed-loop control of direct monitoring of voltage transformers is integrated synchronously, solving the technical defects of spatial redundancy and response lag caused by discrete design.

The invention discloses a molecular simulation method based on a carbon dioxide flooding mixing reducer. The molecular simulation method comprises the following steps: step 1, screening functional groups; 2, constructing a molecular structure model; 3, performing structure optimization on the molecular structure model to obtain a stable initial conformation; 4, analyzing parameters of the initial conformation; 5, constructing a full-atom structure model and a coarse-grained structure model by taking the molecular structure model as an object; 6, carrying out structure optimization and dynamic balance on the all-atom structure model, and calculating a molecular solubility parameter delta; 7, calculating a solubility parameter delta, and constructing a dissipative particle dynamics force field parameter; 8, constructing a dissipative particle dynamics calculation model of the mixed-phase system by taking the coarse-grained structure model and the dissipative particle dynamics force field parameters as objects; and ninthly, dynamic balance calculation parameters are set for the dissipative particle dynamic calculation model. The problems that in existing evaluation, the risk is high, and consumed time is long are solved.

This invention relates to a multi-segment parallel parking path planning method for heavy-duty all-wheel steering vehicles. Based on vehicle parameters and parallel parking space dimensions and road information detected by sensors, a parallel parking scenario for the all-wheel steering vehicle is established. The starting parking point information for vehicle positioning is input, and a designed algorithm is executed to detect existing safe parking paths in real time. Specifically, a series of parking paths are generated using a parameter sampling method and discretized. Road constraints and vehicle dynamics constraints that need to be satisfied during parking are defined. A path evaluation function is designed to evaluate and optimize paths that meet the constraints, thus completing the optimized design of parallel parking paths for multi-segment, multi-steering mode vehicles. This achieves more flexible parking path design for heavy-duty all-wheel steering vehicles, reduces parking space occupied during parking, and improves parking efficiency.

The present application relates to the technical field of data visualization, in particular to a heating system operation data visualization processing system, the system comprises a heat flux feature extraction module, a direction gradient difference calculation module, a fluctuation amplitude analysis module, a connection attribute regulation module and a dynamic trajectory optimization module.In the present application, through real-time filtering of heat flux density and direction vector calculation, the heat transfer path between multiple nodes can be dynamically associated and mapped, ensuring the continuity of heat flow changes and avoiding the delay and distortion of traditional static graphics when updating data. Using time series smoothing processing, the heat flow trend and periodic changes are accurately captured, and the fluctuation amplitude and direction can be intuitively presented through color and line width changes, showing the heat flow intensity and direction changes. This method enhances the time sequence perception of thermal environment data, improves trend identification and dynamic response capability, and clearly presents the changes in energy transfer process, effectively solving the shortcomings of traditional methods in real-time and spatial relationship expression.

The utility model relates to the technical field of forklift loading and unloading equipment, in particular to a two-way telescopic pallet fork structure which comprises a sliding frame and a pallet fork arranged on the sliding frame. The pallet fork is arranged at the bottom of the sliding frame in a sliding mode. The driving mechanism drives the pallet fork to transversely move and slide in two directions relative to the sliding frame so as to adjust the extending position of the pallet fork relative to the sliding frame, and loading areas in different directions are formed; the fixing device is used for pressing the pallet fork after the pallet fork moves in place, and displacement is prevented. According to the technical scheme, the pallet forks are arranged at the bottom of the sliding frame in a lateral sliding mode and driven by the driving mechanism to horizontally move in two directions, loading areas in different directions are formed, and goods on the opposite sides can be forked without turning around of the whole vehicle. The whole structure achieves multi-degree-of-freedom adjustment in a limited space, and the problems of steering limitation of a fixed pallet fork and space occupation of a rotary pallet fork are solved.

The application discloses a feature alignment fusion method based on structural tensor guidance, and relates to the technical field of target detection, comprising: aligning the spatial size and channel dimension of input features; in a structural tensor representation unit, obtaining main direction information and structural distribution characteristics through gradient calculation, and generating a main direction angle and an anisotropy strength; in a geometric consistency alignment unit, constructing a cross-scale geometric consistency relationship and generating a structural confidence, and combining to form a geometric alignment score; generating a dynamic gating weight in an alignment gating unit, and adaptively calibrating the features through an element-by-element weighting method; and completing multi-scale feature fusion through residual difference interaction and element-by-element fusion operation to obtain fused features. The application fundamentally solves the problems of spatial misplacement and structural inconsistency existing in the existing fusion strategy, especially for dense targets and small target images in a complex background, and improves the retention capability and positioning accuracy of target edge structures.

The utility model provides a kind of cutting machine head yarn equipment, belong to machine head yarn cutting equipment technical field.It includes end cover component, the end cover component includes machine head end cover and the end head yarn blade being set in machine head end cover, the machine head end cover inner end has the cutting portion of taper, the outer diameter of the cutting portion gradually increases from built-in, the circumferential wall of the machine head end cover is symmetrically provided with two cutting grooves extending to cutting portion.The utility model sets up end head yarn blade in machine head end cover, fixed blade by cutting groove, form built-in cutting structure, reduce space occupancy;Broach rod on machine head cover plate is connected with tool rest component, drives blade to reciprocate along axial direction and realizes cutting, avoid blade exposure, improve operating safety, the design of taper cutting portion and blade blade edge towards machine head cover plate, ensure cutting accuracy, solve the space and safety problem brought by split design.

This invention provides a waste heat recovery power generation zero-carbon energy system. This system primarily utilizes thermal energy, the chimney effect, and wind power generation technology to recover waste heat and generate zero-carbon energy. The system mainly consists of thermal energy, wind turbine ducts, a wind turbine generator, and an energy storage device. The wind turbine ducts generate wind power, which drives the wind turbine generator to produce electricity. Waste heat increases the temperature difference; the greater the temperature difference, the greater the wind power generated by the wind turbine duct, and the more electricity is generated. Both waste heat and solar energy can increase the temperature difference and enhance wind power efficiency. The energy storage equipment can expand the application scope of the waste heat power system.

This utility model discloses an automatic crystal ring changing mechanism and a blue film taping machine. The automatic crystal ring changing mechanism includes a lifting rack assembly; a crystal ring pressure plate assembly movably disposed on the side of the lifting rack assembly; and a crystal ring transfer assembly fixedly disposed on the lifting rack assembly and movably disposed between the lifting rack assembly and the crystal ring pressure plate assembly. The transfer assembly includes a support rod body, which is laterally fixedly connected to the lifting rack assembly; a lateral drive mechanism disposed on the support rod body; a second lifting drive mechanism slidably disposed on the support rod body and drivenly connected to the lateral drive mechanism; and a crystal ring clamping mechanism drivenly connected to the second lifting drive mechanism. This utility model effectively solves the problems of large space occupation and poor stability of existing automatic crystal ring changing mechanisms through the cooperation of the lifting rack assembly, the crystal ring pressure plate assembly, and the crystal ring transfer assembly.