47results about How to "Solid foundation" patented technology

The utility model provides an ecological restoration greening planting component, and relates to the technical field of greening planting components, the ecological restoration greening planting component comprises a fixing piece, a reinforcing device is arranged on the surface of the fixing piece, the reinforcing device comprises two clamping blocks, the surfaces of the two clamping blocks are respectively provided with a clamping groove, and the clamping grooves are connected with the fixing piece. Connecting plates are fixedly connected to the surfaces of the two clamping blocks correspondingly, reinforcing rings are fixedly connected to the surfaces of the connecting plates, bolts are connected to the surfaces of the two clamping blocks in a penetrating and threaded mode correspondingly, and the bolts are connected with the surfaces of fixing pieces in a threaded mode. The ecological restoration greening planting component solves the problems that in the prior art, a common ecological restoration greening planting component only limits and stabilizes a trunk at the root position of a tree, some trees are tall and large, so that the stability of the trees is poor, the trees shake and deviate, accordingly, a foundation is difficult to stably absorb soil nutrients, healthy growth is affected, and the ecological restoration greening planting component is prone to being damaged. And the use effect and the practicability of the ecological restoration greening planting component are reduced.

The utility model provides a kind of special anti-toppling jig for grab assembly, it is related to the assembly auxiliary equipment field of grab production and manufacture, it includes bottom support, two vertical supports are fixed on the bottom support, two the vertical support is spaced and parallelly arranged along the length direction of bottom support, and all vertical to the plane where bottom support is, the lower end of vertical support is fixedly connected with bottom support by welding mode, the upper end of vertical support is provided with circular slot, the radian of circular slot is compatible with the radian of outer circumferential surface of grab middle beam shaft, the utility model solves the technical problem that operating personnel in the middle beam bottom operating surface faces high-altitude falling risk when grab assembly in prior art, operation space is small, leading to big operation difficulty and welding fume is difficult to diffuse and harm health.

The utility model discloses a connecting structure and self -moving device relates to robot technical field, wherein, this connecting structure is used for connecting the frame of self -moving device and work device, and the frame is equipped with the connecting base, and the connecting structure includes connecting main part and quick -release subassembly, and connecting main part is used for connecting connecting base, and the connecting main part is seted up with the guide groove, and quick -release subassembly includes the clamping block and the elastic part, and the both ends of elastic part are connected respectively the groove wall of guide groove and clamping block, and the partial structure of clamping block is movably limited in the guide groove, and the other partial structure of clamping block is stretched out in the guide groove, is used for with work device detachable connection. This movable connecting mode makes the installation and disassembly process of work device become more convenient. User only needs to operate clamping block simply, can complete the connection or disassembly of work device quickly, does not need complex tool or tedious step, improves the replacement efficiency of work device.

The utility model relates to fan maintenance technical field discloses a kind of impeller dismounting device, including first clamping piece, second clamping piece, pusher plate and at least two installation rods;First clamping piece and second clamping piece are all provided with clamping cavity, and each clamping cavity is provided with inner lug;First clamping piece and second clamping piece are all provided with outer lug, and the clamping cavity is formed accommodating cavity after being connected by first clamping piece and second clamping piece, and the matching design of inner lug and impeller radial groove is combined, the accurate positioning and uniform clamping of impeller are realized;Outer lug is used as structure reinforcing part, not only strengthen the local strength of first clamping piece and second clamping piece, also provide stable installation base for installation rod, so that the axial force transmitted by installation rod of pusher plate can be uniformly, stably act on the matching surface of impeller and motor shaft, avoid direct artificial knock impeller or heat impeller shaft sleeve to cause impeller or motor shaft damage, significantly improve dismounting efficiency and security.

The application discloses a kind of multimodal data label generation method and system, it is related to multimodal data processing technical field, including acquisition contains original multimodal data sample of image, text, audio;Respectively to each data stream is exclusively deconstructed, corresponding unit set is extracted and single-modal concept graph is constructed;Cross-modal projection channel is established in modal fusion layer, the interactive mapping of each concept graph node and edge is realized, and cross-modal associated concept graph is formed;Extraction consensus concept node and arbitrate conflict node, generate unified concept candidate node pool;Labeling distillation is executed to candidate node pool, and preliminary multimodal label set is obtained;After label standardization template processing, standardized multimodal data label is generated.The method can realize the accurate labeling of multimodal data, solve the problems of label semantic ambiguity, conflict and the like in the prior art.

The utility model relates to a telescopic micro-pressure oxygen-enriched cabin, including front cabin body and rear cabin body, wherein the rear cabin body is telescopic soft shell body, is equipped with telescopic support subassembly for supporting cabin bottom in the rear cabin body, and the bottom of telescopic support subassembly is equipped with walking wheel, is equipped with folding deck chair in oxygen storehouse, and the folding deck chair includes fixed part, rotating part and walking part, the fixed part is fixedly connected with the bottom of front cabin body, the rotating part sets up in the rear end of fixed part, and the front end of rotating part is connected with the bottom of front cabin body through first rotary part, and the walking part sets up in the rear end of rotating part, and the rear end of walking part is connected with the rear end of telescopic support through second rotary part, and the rear end of rotating part and the front end of walking part are hinged through third rotary part, the utility model discloses the design of soft and hard cabin body combination can reduce the floor space of cabin body simultaneously, and the folding deck chair is integrated with telescopic soft cabin body, so that the folding deck chair can be telescopic with the soft cabin body simultaneously, and is suitable for small space scene such as family.

The application discloses an intelligent lifting type culture net cage integrated with environment sensing and adaptive depth adjustment, and belongs to the technical field of marine culture devices. The net cage main body comprises main columns and a net cover. The main columns are provided in plurality. A connecting rod is arranged between the side portions of two adjacent main columns. The periphery of the net cover is supported and tensioned by the main columns to form a closed culture space. A buoyancy adjusting mechanism is connected with the bottom of the main column and is used for adjusting the overall buoyancy of the net cage main body to vertically lift. A mooring positioning mechanism is connected with the buoyancy adjusting mechanism and is used for anchoring the net cage main body in a predetermined sea area and adapting the vertical lifting movement of the net cage main body. An environment sensing module is installed on the net cage main body. An intelligent control module is electrically connected with the environment sensing module and the buoyancy adjusting mechanism. The intelligent control module is internally provided with a decision algorithm, is used for receiving the data collected by the environment sensing module, and outputs a control instruction to the buoyancy adjusting mechanism according to a preset strategy to adaptively adjust the water depth where the net cage main body is located.

The invention provides a power distribution box, and relates to the technical field of electrical equipment, the power distribution box comprises a box body and a wire arrangement structure, a stand column is arranged in the box body, a back plate is arranged on the stand column, the wire arrangement structure comprises a fixed groove plate and a movable groove plate, and the movable groove plate is movably arranged in a wiring groove of the fixed groove plate. The movable groove plate can move up and down relative to the fixed groove plate and move in the height direction of a second side plate of the fixed groove plate, first side plates on the two sides of the movable groove plate are rotatably and elastically connected to a first bottom plate of the movable groove plate, and the opposite sides of the two first side plates are each provided with at least one pair of elastic wire clamp sets. The elastic wire clamp group comprises a fixed elastic clamping ring and a movable elastic clamping ring which are arranged in a staggered mode in the vertical direction, and the movable elastic clamping ring is elastically connected with the first side plate. According to the wire arrangement structure, the wire harness can be kept tightened and regular when the distribution box is in a normal operation state, and the wire harness constraint can be released during maintenance or transformation, so that the overall maintainability and operation reliability of the distribution box are improved.

The utility model discloses a stirring tooth structure of a granulator, which comprises a stirring tooth seat and stirring teeth, the bottom of the stirring tooth seat is cylindrical, the middle of the stirring tooth seat is in frustum transition, the upper part of the stirring tooth seat is cylindrical, the diameter of the upper cylinder is smaller than that of the lower cylinder, the upper cylinder is processed into internal threads, the stirring teeth are processed by cylinders, and the half-length surface of each stirring tooth is processed into threads. And two sides of the top part are symmetrically processed into slope surfaces with certain angles. The stirring tooth is simple in structure and easy to manufacture, the improved design is carried out on the basis of summarizing the abrasion rule of the stirring teeth, the easily-abraded points of the stirring teeth are effectively avoided on the premise that the stirring and rubbing functions are not affected, the service life of the stirring teeth is prolonged, the replacement and maintenance frequency of the stirring teeth is reduced, and the production efficiency is improved; and the pointed-end stirring teeth are beneficial to generating higher shearing strength, so that the power consumption is lower on the premise of generating the same shearing force.

The invention relates to the technical field of solar energy. The multifunctional solar radar velocimeter comprises a solar panel and an adjusting device connected with the bottom of the solar panel, the adjusting device integrates a driving mechanism, a sliding mechanism and a reinforcing mechanism, and the placing angle and the unfolding state of the solar panel can be adjusted so that the light energy absorption efficiency can be improved. The driving device drives the solar panel to rotate through gear transmission so as to adapt to sunlight in different directions; the sliding device drives the solar panel to be stably unfolded or folded by means of transmission of a bevel gear, a rack and the like, the light receiving area is increased, and various installation spaces are adapted. The reinforcing device is locked and fixed to the clamping structure through the tightening assembly, and external force is resisted to prevent loosening and deviation. The three parts work cooperatively, the problems that existing equipment is inconvenient to adjust, unstable in fixation, low in integration and the like are solved, the equipment operation stability and environment adaptability are improved, and the device is suitable for outdoor road scenes and has the characteristics of energy conservation, environmental protection and easy maintenance.

The utility model discloses an electronic device with a touch panel, which comprises a home control panel body, a mounting plate is arranged on the back of the home control panel body, the mounting plate is fixedly connected to the home control panel body through screws, a pair of hanging cabins is slidably connected in the mounting plate, and the hanging cabins are fixedly connected to the home control panel body through screws. A sliding block is fixedly connected to the inner side wall of the hanging bin, an inner groove is formed in the mounting plate, and the sliding block corresponds to the inner groove. In the actual use process, the household control panel body is stably fixed to the wall through the mounting plate, the second sliding groove is matched with the hanging bin, it is ensured that the hanging bin can freely move in the sliding groove under limiting of the clamping block of the sliding block, the direction of the hanging bin is kept consistent, and in the mounting process, the pasting hook is inserted into an inner cavity of the hanging bin, and the pasting hook is fixed to the wall. The fixing columns firmly fix the connecting columns in the inner holes by means of the springs, so that the home control panel body is firmly installed at the required position, the installation process is simplified, the installation efficiency is improved, and the firmness of the equipment is guaranteed.

The invention relates to the technical field of electric power automation, in particular to a new energy consumption-oriented source-network-load-storage provincial-regional coordinated regulation and control system, which comprises a data processing module, a verification module, a real-time calculation module, a regional deviation module, a power correction module, a provincial-regional regulation and control module and a scheduling module, the verification module is respectively connected with the data processing module and the province and region regulation and control module, and the real-time calculation module is respectively connected with the verification module and the province and region regulation and control module; the region deviation module is respectively connected with the real-time calculation module and the verification module, the power correction module is connected with the region deviation module, the province and region regulation and control module is connected with the power correction module, and the scheduling module is connected with the province and region regulation and control module; by optimizing the prediction model and receiving the real-time monitoring data for verification and correction, the prediction accuracy of future data is improved, a more reliable basis is provided for formulating a power generation plan and a power transmission plan, and the absorption capacity of new energy and the stability of a power grid are improved.

This utility model belongs to the field of building decoration and renovation technology, specifically relating to a level, including a base, a connecting ball connected to a limiting component set in the mounting base, a rubber ring placed in an annular groove on the side of the curved surface of the placement groove, the center of the annular groove being coaxial with the center of the placement groove, push plates on both sides of the rubber ring, an observation plate connected to the end of the push plate, a bidirectional screw threaded to the observation plate, a fixing rod fixed to the top surface of the connecting ball connected to the bottom surface of the mounting base, a height adjustment component set in the mounting base, a worm gear meshing with a worm wheel, the worm wheel being sleeved on the outside of the rotating rod, a gear being sleeved on the outside of the rotating rod, the gear meshing with a rack, the rack being fitted at the center of one side of the fixing plate, solving the problem of poor overall stability of the device due to the lack of a limiting component for the movable universal ball and the overall height adjustment device through a wire pulling device, which is easily affected by vibration and other factors during construction, causing the laser line to deviate.

The utility model provides a gravity energy storage frame structure, which relates to the technical field of gravity energy storage and comprises an upright post, a first horizontal frame body and a second horizontal frame body, the first horizontal frame body comprises a first foundation frame and a first beam body, and the second horizontal frame body comprises a second foundation frame, a second beam body and a third beam body; the first foundation frame and the second foundation frame are rectangular, the first beam body is located in the first foundation frame, and the two ends of the first beam body are connected with the two parallel edges of the first foundation frame respectively; the second beam body and the third beam body are of a cross-shaped structure, located in the second foundation frame and connected with the second foundation frame. The multiple stand columns extend in the vertical direction, the first foundation frames are located at the tops and the bottoms of the stand columns, the second foundation frames are located between the first foundation frames, the first foundation frames and the second foundation frames are arranged in a stacked mode in the vertical direction, and at least the four corners of the first foundation frames and the four corners of the second foundation frames are connected with the stand columns.

The utility model provides a kind of textile fabric cutting device for textile, including two supports, rotationally installed with threaded column between left and right two supports, the threaded hole of screw jointing with threaded column is set up in main moving block, the top of main moving block is equipped with the through-hole for sliding bar to pass through;The left side welding of the bottom of main moving block has transverse blade connecting plate, and transverse blade connecting plate is equipped with transverse blade by bolt mounting;The right side welding of the bottom of main moving block and driven moving block has longitudinal blade connecting plate, and longitudinal blade connecting plate is equipped with longitudinal blade by bolt mounting;Main moving block and driven moving block are connected by distance adjusting mechanism between;The textile fabric cutting device realizes the multifunctional operation of cloth truncation and cutting into multiple, each component is closely matched, both guarantees the precision and stability of cutting, and also reduces the operation difficulty, improves the efficiency of blade replacement and interval adjustment, satisfies the diversified cutting demand in textile production.

The utility model relates to a kind of rear subframe structures of five connecting rod suspension system, comprising: longitudinal beam, two longitudinal beams are longitudinally extended along the first direction and are symmetrically spaced along the second direction;Front crossbeam is connected with the front section of longitudinal beam;Rear crossbeam is spaced apart along the first direction with front crossbeam, and the rear end of two longitudinal beams is respectively penetrated and connected in rear crossbeam;Support assembly is used to install five connecting rod, and it includes front lower arm support, front upper arm support, camber arm support, toe arm support and rear upper arm support symmetrically arranged on two longitudinal beams;Two front longitudinal reinforcing plates are connected to front crossbeam at front end, and connected to camber arm support at rear end;Transverse stiffener beam is respectively connected to two camber arm supports at both ends, and connected to rear crossbeam at rear end;Rear longitudinal reinforcing plate is connected to transverse stiffener beam at front end, and connected to rear crossbeam at rear end.The utility model has the beneficial effect of realizing high overall stiffness / modality, high bending / torsional stiffness, high local dynamic stiffness and excellent space utilization.

This invention relates to the field of substation technology, specifically a distribution substation for large-scale urban power grid distribution. It also relates to the manufacturing of power electronic components such as metal-oxide-semiconductor field-effect transistors (MOSFETs), insulated-gate bipolar transistors (IGBTs), and modules. The proposed distribution substation structure is particularly suitable for supporting intelligent power distribution equipment manufactured using these power electronic components. It includes a housing and a rigid support frame located at the bottom of the housing. Multiple independent support units are distributed below the rigid support frame. Each support unit includes an upper support rod and a lower support rod. The upper support rod includes an outer cylinder, an inner column, claws, and an energy storage compensation spring. The outer cylinder is connected to the rigid support frame, and the inner column is slidably disposed within the outer cylinder, with its lower end extending out of the outer cylinder and connecting to the lower support rod. Multiple annular grooves are provided axially on the outer wall of the inner column. The distribution substation of this invention can adapt to urban terrain and its changes, thus improving its service life.

The utility model provides an environmental protection type PVC window decoration track waste material recycling device relates to PVC window decoration track waste material recycling technical field, including equipment main part, one side of equipment main part is connected with support rod fixedly, the bottom of support rod is opened sliding slot, one side of sliding slot is opened with side slot mouth. The utility model, through the cooperation of support rod, sliding slot and side slot mouth, provided stable operation foundation, the setting of baffle and sliding block made the whole device more flexible and controllable in the operation process, the combination of screw groove and sliding block ensured the stability of push cylinder in the moving process, the application of spring not only increased the elastic adjusting capacity of extension board, also promoted the reliability of overall structure, the design of external connection block and round groove is convenient for connecting with other components, and the connecting column screw groove makes the rotating column can retract in the push cylinder, the torsional spring in the push cylinder, guarantees that the close -fitting dish is close -fitting in the sliding slot under the pressure of torsional spring.

The utility model discloses a bogie delivery inspection system which comprises a portal frame, a six-axis robot and a pushing assembly. The geometric center of the portal frame and the center of the cross section of the trench are positioned on the same straight line; a top robot is arranged on a top beam of the portal frame and can move in the extending direction of the portal frame. A bottom robot is arranged in the trench and provided with a moving module, and the moving module can move in the extending direction of the trench and / or in the direction perpendicular to the extending direction of the trench; the six-axis robot comprises a fixed end, a movable end and a functional end; a camera module is fixed to the function end and used for shooting and recording the bogie. The pushing assembly is used for pushing the bogie to a preset shooting position. According to the bogie delivery inspection system provided by the utility model, manual work is replaced by the robot, the inspection efficiency can be improved, the omission ratio can be reduced, and the traceability can be improved.

This application relates to the field of vehicle technology and discloses an installation structure and a vehicle. The installation structure includes a roof assembly, a sunshade assembly, and a reinforcing structure. The roof assembly includes a frame structure. The sunshade assembly is disposed within the frame structure and includes a first mounting portion and a second mounting portion connected to each other. The first mounting portion is connected to the frame structure, and the second mounting portion is used to movably connect entertainment equipment. The reinforcing structure is connected to the first mounting portion, and at least a portion of the reinforcing structure is connected to the frame structure. Applying the technical solution of this application can provide a stable installation foundation for entertainment equipment.

The utility model discloses a soft -walled battery presealing position adjusting frock for soft -walled battery packaging equipment, include: packaging table, mobile platform, adjusting propulsion mechanism and position indication component, mobile platform sliding installation on packaging table, the mobile platform is suitable for the soft -walled battery of bearing to be packed on, adjusting propulsion mechanism is equipped with the propulsion end, the propulsion end with Mobile platform fixed connection, adjusting propulsion mechanism is suitable for driving mobile platform reciprocating movement along Y axle, position indication component installs on one side of packaging table, position indication component is suitable for indicating the position of mobile platform on Y axle, wherein, mobile platform is suitable for through adjusting propulsion mechanism, drive the soft -walled battery of bearing and move along Y axle direction. It can realize soft -walled battery seal position adjustment, and can record position to satisfy different specifications soft -walled battery and different batches incoming material's quick adaptation demand.

The utility model provides a kind of mining environment acquisition equipment and mining car, this mining environment acquisition equipment includes equipment main body, mounting mechanism, sensing and positioning mechanism and damping mechanism, equipment main body is by adopting pedestal, top mounting seat and side mounting seat composition, sensing and positioning mechanism each component is provided with firm installation base, to ensure that overall structure rigidity, mounting mechanism can be flexibly adapted and quickly fixed according to the top structure of different mining car, enhanced the versatility and deployment efficiency of equipment, in addition, by setting damping mechanism can effectively isolate the vibration and impact generated by mining area rugged road, avoid sensing and positioning mechanism each component to appear damage, to guarantee the accuracy of data acquisition and long-term work reliability, to provide reliable environmental perception guarantee for mine automation operation.

The utility model relates to a high-strength relay mounting box which comprises a box body and a mounting seat, a sealing cover is arranged at the top of the box body, a placing cavity for placing a relay is formed in the box body, reinforcing ribs are arranged in the placing cavity, and the reinforcing ribs are longitudinally and transversely arranged in a crossed manner to form a latticed structure. The mounting seat is fixedly mounted in the placement cavity through bolts, and the relay is fixedly mounted on the mounting seat. The box body is made of iron, and the mounting seat is made of plastic. The box body is made of an iron material, so that the mechanical strength is obviously higher than that of a traditional plastic protection box, and the box can bear larger external force impact and long-term vibration and is not easy to crack and damage.

The utility model relates to the technical field of buildings, in particular to a wind and rain vibration resistant inhaul cable which is provided with an inner layer and a water blocking surface layer, and the water blocking surface layer forms a continuous groove or protrusion structure through a main steel wire and an auxiliary steel wire which are different in radial thickness, so that a forming path of a water film on the surface of the inhaul cable is effectively damaged. The aerodynamic force on the surface of the inhaul cable is stabilized, so that wind and rain vibration is avoided, the vibration reduction effect is good, and the service life of the inhaul cable of the cable-stayed structure is prolonged; compared with a vibration reduction mode of a traditional damper, the vibration reduction device has the remarkable advantages of being simple in structure, free of maintenance and long in service life, and a brand new solution is provided for the wind and rain vibration resistance design of the large bridge inhaul cable. Wherein the main steel wires and the auxiliary steel wires are Z-shaped section steel wires, so that mutual lap joint is facilitated, and the integrity and the structural strength of the water-blocking surface layer are ensured. And the inner layer adopts a composite structure of the bearing core layer and the transition reinforcing layer, so that a stable mounting foundation is provided for the water-blocking surface layer while the mechanical property of the inhaul cable is ensured.

The utility model relates to the field of luggage, specifically to a luggage with a hanging structure, including the box body, its characterized in that: the outer surface of the box body is provided with at least one flexible band body, the flexible band body includes the connecting portion that sets up in the both ends of flexible band body, and the connecting portion is connected with the box body, the connecting portion is fixedly connected with the box body, the middle section of the flexible band body is equipped with the hanging portion that can hang the article, the hanging portion shape change forms the continuous annular passage for hanging article to pass through, and the shape of the hanging portion can be adaptive article shape.

The utility model discloses a subway shield tunnel advanced monitoring device, which comprises a first bracket, a signal acquisition device, a signal processing device and a signal transmitting device, and is characterized in that the first bracket is mounted on a segment bolt; the signal acquisition device is arranged in the duct piece, a first optical cable is arranged on the signal acquisition device, a first optical fiber interface is arranged on the first optical cable, and the first optical fiber interface can be exposed out of the duct piece; the signal processing device is detachably connected with the first support, a second optical cable is arranged on the signal processing device, and a second optical fiber interface capable of being connected with the first optical fiber interface is arranged on the second optical cable; the signal transmitting device is in signal connection with the signal processing device; the signal acquisition device can acquire strain signals of the duct piece, the signal processing device can receive and process the strain signals, and the signal transmitting device can receive the processed strain signals and transmit the processed strain signals to remote equipment. On the premise of ensuring the structural integrity of the duct piece and the safety and losslessness of monitoring equipment, rapid and convenient installation is realized.

This utility model relates to a material sorting device for adjusting the position of connectors. It includes a base plate, a first conveying track and a second conveying track mounted on the base plate, a suction cup for adsorbing connectors, and a transmission device for driving the suction cup. The discharge port of the first conveying track and the inlet of the second conveying track are placed perpendicularly. The transmission device is mounted on the base plate; the suction cup is mounted on the actuating end of the transmission device; and the suction cup is located directly above the discharge port of the first conveying track. This invention solves the problems of low efficiency and difficulty in guaranteeing accuracy in manual sorting of connectors in existing technologies, which cannot meet the needs of mass production. Furthermore, it addresses the technical problems of existing automated equipment generally using single-track conveying, which cannot achieve material orientation adjustment and precise positioning.

The utility model discloses an assembly type gateway housing, which comprises a lower housing, the lower housing is provided with an installation assembly, the installation assembly comprises an upper housing, a side plate, a reserved jack, a reserved cover plate, a connecting edge, a side ear plate and a bolt installation hole, the upper housing is arranged on the upper side of the lower housing, the side plate is arranged on one side between the upper housing and the lower housing, and the reserved jack is arranged on the other side between the upper housing and the lower housing. The reserved inserting holes are formed in the lower portions of the side plates, the reserved cover plates are arranged on the outer sides of the reserved inserting holes, the connecting edges are arranged on the side edges of the lower shell, the side lug plates are symmetrically arranged on one side of the outer portion of the lower shell, the bolt mounting holes are formed in the side lug plates, and the heat dissipation assembly is arranged in the lower shell. The heat dissipation assembly comprises supporting legs, a water cooling plate, a water inlet pipe and a water outlet pipe, the supporting legs are arranged in the lower shell, the water cooling plate is installed on the inner sides of the supporting legs, the water inlet pipe and the water outlet pipe are arranged at the two ends of the bottom of the water cooling plate respectively, and the assembly convenience, the heat dissipation effect and the installation quality of the PCB are improved.

This invention discloses a AIPL1 A gene mutation-related congenital amaurosis animal model, its construction method, and its application. The method includes: S1, constructing a humanized... AIPL1 S2, a homologous recombination vector with a point mutation of c.421 C>T (p.Q141X) knocked in; S3, Cas9 mRNA, gRNA1, gRNA2 and the homologous recombination vector are injected into animal zygotes to perform homologous recombination, resulting in transfected zygotes; S4, the transfected zygotes are transplanted into the uterus of pseudopregnant animals to reproduce offspring, and offspring are selected from the offspring. AIPL1 Homozygous animals with the c.421 C>T (p.Q141X) point mutation were obtained, thus yielding the aforementioned... AIPL1 A gene mutation-related congenital amaurosis animal model. The animal model of this invention exhibits the clinical phenotype of Leber congenital amaurosis type 4 (LCA4) from 12 days after birth; while heterozygous mice do not show a significant phenotype, consistent with... AIPL1 The clinical phenotype and inheritance pattern of LCA caused by the c.421 C>T (p.Q141X) gene mutation demonstrate the effectiveness and reliability of the animal model of this invention, providing a basis for understanding the genetic model of LCA. AIPL1 Animal models provide a reliable basis for studying the disease mechanisms and drug screening of mutation-related LCA.

This invention discloses a portable pump with adjustable length, comprising a front rod, a tail rod, and at least one intermediate rod. The front rod has a pump head assembly, and the tail rod has a handle assembly connected to its tail end. The tail end of the front rod has a first connecting piece, one end of the intermediate rod has a first connecting piece, the other end has a second connecting piece, and the front end of the tail rod has a second connecting piece. The first and second connecting pieces are detachably connected. The pump head assembly includes a motor mounting base, a motor, an impeller, and a filter. The motor mounting base is fixedly connected to the front rod, and the motor is fixed within the motor mounting base. The impeller is detachably mounted on the motor's output shaft, and the filter is detachably mounted on the motor mounting base. This invention allows for flexible adjustment of the overall pump length to adapt to different usage scenarios by selecting different numbers of intermediate rods for splicing. Simultaneously, both the impeller and filter adopt a tool-free, detachable structure, facilitating daily cleaning and maintenance for users, significantly improving operational convenience and equipment reliability.