50results about How to "Maintain precision" patented technology

The invention discloses a large language model training method and system based on elastic federal low-rank adaptive fine tuning, which adopts federal aggregation based on singular value decomposition (SVD) to reconstruct a local LoRA module of a client into a local increment matrix, then aggregates the local increment matrix into a global increment matrix, and generates a LoRA module of the next round through SVD, thereby effectively eliminating aggregation errors of traditional FedLoRA. According to the method, the LoRA rank is dynamically distributed for each weight matrix, and the balance between statistics and hardware efficiency is realized. In order to further reduce communication overhead and maintain model precision, a self-adaptive matrix freezing mechanism is introduced, and whether freezing is carried out or not is judged according to training stability of a weight matrix. According to the method, challenges of traditional FedLoRA in the aspects of training efficiency, communication overhead, model precision and the like are solved.

The invention relates to the technical field of holders, and discloses a self-stabilization holder searchlight tracking system, which comprises a holder autonomous stabilization subsystem, a tracking control subsystem and a searchlight subsystem, and is characterized in that the holder autonomous stabilization subsystem comprises a servo motor, a servo motor connecting arm, a servo controller and an attitude position sensor; one end of the servo motor connecting arm is fixedly connected with the servo motor, the other end of the servo motor connecting arm is fixedly provided with a fixing structure, and the top of the fixing structure is provided with a data transmission interface. According to the self-stabilizing pan-tilt searchlight tracking system, stable operation of a searchlight at different angles and in complex environments is achieved through the pan-tilt autonomous stabilizing system, the system can automatically adjust the direction and angle of the searchlight according to the position of a target, it is ensured that continuous tracking is conducted in the target moving process, and efficient illumination is provided; the design improves the precision of target tracking and the stability of illumination, and is suitable for various application scenes such as night monitoring, security patrol, search and rescue and the like.

The invention discloses a radiation monitoring data compression and real-time transmission method and system, and relates to the technical field of data compression and transmission, and the method comprises the steps: collecting original radiation monitoring data, and carrying out the data preprocessing; carrying out lossless compression coding on the radiation monitoring data characteristics; the compressed data are divided into small segments, and the data are transmitted in a segmented mode; and after receiving the data, the receiving end decompresses the data according to the compression reverse operation. According to the invention, the transmission efficiency and reliability of radiation data under the condition of low bandwidth can be obviously improved. The compression algorithm can realize a data compression rate of at least 50% or more, and meanwhile, the integrity and precision of the data are kept. In addition, a real-time transmission mechanism ensures that data can be effectively transmitted under an extreme network condition, and the delay and packet loss rate of data transmission are remarkably reduced. The volume of radiation monitoring data can be significantly reduced without sacrificing the quality and integrity of the data.

The utility model relates to an ink coating mechanism for edge covering of a silicon wafer battery piece, which comprises a bottom plate, supports are arranged on the bottom plate at intervals, a rotating shaft is arranged between the supports on the two sides in a rotating mode, and an ink roller is sleeved on the rotating shaft. A vertical plate with an inverted L-shaped structure is mounted on each single-side support, and a micrometer is mounted on each vertical plate; tool aprons are further arranged between the micrometer and the rotating shaft, a scraper is jointly installed on the tool aprons on the two sides, and the scraper is located above the printing ink roller at intervals; the tool aprons on the single sides are installed on the vertical plate in a floating mode. By rotating the micrometer, adjusting the actual relative position of the tool apron relative to the vertical plate and adjusting the spacing distance of the scraper on the tool apron relative to the printing ink roller, the thickness of an ink layer on the printing ink roller is adjusted through the scraper so as to meet the edge covering requirements of different printing ink thicknesses on a silicon wafer battery piece, operation is convenient and rapid, and the working efficiency is improved. And the printing ink thickness precision and uniformity can be effectively adjusted and maintained, and the practicability is good.

This invention discloses a hardware acceleration method and accelerator for Transformer based on mixed-precision quantization and Huffman coding. The acceleration method includes: using a genetic algorithm to obtain several configuration schemes for mixed-precision quantization of Transformer network layers; performing mixed-precision quantization on each Transformer network layer based on each quantization configuration scheme to obtain a corresponding KL divergence; training a multilayer perceptron to obtain a quantization configuration prediction network using the quantization configuration scheme and the corresponding KL divergence as the output label and input feature, respectively; receiving a user-set target KL divergence value, using the quantization configuration prediction network to obtain the corresponding quantization configuration scheme, and performing mixed-precision quantization on each network layer based on the quantization scheme; and using Huffman coding to encode and compress all quantization weights before on-chip storage. This invention can reduce storage and computational overhead while maintaining model accuracy.

The present invention relates to the technical field of regulating valves, and specifically to a regulating valve body processing turning tool, comprising a clamping mechanism, a supporting mechanism and a turning mechanism, wherein the supporting mechanism is installed on the surface of a machine tool body, the turning mechanism is arranged at the lower end of the supporting mechanism, and the clamping mechanism is installed at the upper end of the supporting mechanism. The present invention gradually brings the two ends of a steel strip closer together through a clamping assembly, thereby controlling the surrounding area of ​​the steel strip. Under the action of the steel strip, the displacements of four claw columns change synchronously. When the surrounding area of ​​the steel strip becomes larger, the clamping claws loosen, and the metal blank is aligned. When the surrounding area of ​​the steel strip becomes smaller, the four clamping claws are gradually held tightly by the steel strip, and the four clamping claws complete the fixed clamping of the metal blank. The present invention can automatically adjust the support position and angle when the workpiece is turned over by the claw column, and evenly distribute the load at the same time. The clamping claws can adapt to workpieces of different sizes and shapes, and ensure that they are always firmly clamped during the turning and processing process.

The invention discloses a piezoelectric film with bionic textures and a preparation method and application thereof, the piezoelectric film is formed by directionally stacking and depositing fibers with core-shell structures, the piezoelectric film has a gully-bulge alternating bionic morphology imitating human skin surface textures, and the aperture of the piezoelectric film is gradually increased from an attachment surface in the thickness direction; the fiber having the core-shell structure comprises: a core layer having a porous structure and containing modified molybdenum disulfide and polyester; the shell layer wraps the core layer, and the shell layer contains collagen; the piezoelectric film comprises a sensing unit area and a flexible connection area, the collagen crosslinking degree of the sensing unit area is larger than 75%, and the collagen crosslinking degree of the flexible connection area is 40%-55%. Under the synergistic effect of materials and structures, the piezoelectric film not only has a high piezoelectric constant, but also shows excellent mechanical properties, air permeability and moisture penetrability, and has wide application prospects in the fields of electronic skin, health monitoring and the like.

The invention provides a casting model mesh simplification method based on a Unity 3D platform, which reduces the rendering and calculation burden by simplifying the mesh structure of a casting model and reducing the number of vertexes and triangular surfaces of the model, solves the problem of higher rendering pressure caused by high complexity of the casting 3D model, and improves the rendering efficiency. And the accuracy of the 3D model is ensured while the simplification is realized.

The present invention relates to an adaptive control method, device and computer equipment for a nano-grinding process, which aims to solve the uncertainty problems caused by material heterogeneity, tool wear and environmental changes. The method first obtains nano-level feature data of a workpiece material through nano-indentation technology, and determines the initial process parameters based on these data. Then, these parameters are used for processing and the grinding and vibration data in the process are monitored in real time. Through feature analysis and spectrum analysis, process state data is extracted and integrated, process anomalies and trend changes are identified, and then target processing parameters are generated. The adaptive control algorithm adjusts the initial process parameters according to the target parameters to achieve real-time optimization of the processing process.

The utility model discloses an automatic leveling instrument assembling device which comprises a workbench, first baffles are fixedly connected to the front side and the rear side of the top of the workbench, a first connecting rod is fixedly connected to the left side of the top of the workbench, a plurality of first connecting plates are fixedly connected to the right side of the top of the workbench, and a push-out assembly is fixedly connected to the top of the workbench. First connecting blocks are fixedly connected to the front end and the rear end of the right side of the bottom of the workbench, first supporting rods are fixedly connected to the interiors of the first connecting blocks, second fixing plates are fixedly connected to the other ends of the first supporting rods, a connecting plate is fixedly connected to the close sides of the two first supporting rods, and a driving assembly is fixedly connected to the top of the connecting plate. According to the utility model, the leveling instrument is prevented from deviating, and the accuracy and precision of a measurement result can be ensured by preventing the leveling instrument from deviating, so that the product assembling and processing quality is improved.

The application discloses a kind of key-driven dual-domain hybrid revocable face privacy protection method and device, method is derived from master key by key management module for different purposes Subkey, and support versioned revocation and reissue;In image domain, face image is mapped to latent space using inversion network, protected image is generated based on key hierarchical gating mixing and noise disturbance;In feature domain, revocable binary template is generated by key scrambling, orthogonal projection and grouped random threshold quantization, and correction template is obtained by lightweight error correction coding;Cross-domain alignment module ensures that image domain embedded features and feature domain templates are semantically consistent under the condition of "same person same key";Privacy level control module dynamically adjusts anonymity boundary and noise intensity to achieve multi-level protection;Process control module manages the whole process of registration, verification, revocation and reissue.The application balances identity recognition utility and privacy security, and has irreversibility, unlinkability and revocability.

The utility model relates to an air pump motor. A motor stator assembly is arranged on the outer side of a motor rotor assembly; a front-end integrated cover plate is arranged on one side of the motor stator assembly; a rear-end integrated cover plate is arranged on one side of the motor stator assembly; bearings are directly arranged in the front-end integrated cover plate and the rear-end integrated cover plate; inner rings of the bearings are fixed at two ends of the motor rotor assembly; the fixing bolts penetrate through the front-end integrated cover plate, the motor stator assembly and the rear-end integrated cover plate to be fixed, so that the problems that in an existing air pump motor, bearing sleeves are often installed in the front end cover and the rear end cover, then bearings are installed, the air pump needs to be used for a long time, and after the bearing sleeves are installed, the bearing sleeves are damaged are solved. The technical problems that bearing installation precision and positioning precision are not enough, bearing sleeves installed in a front end cover and a rear end cover are heated, bearings are finally clamped, and an air pump motor is damaged are solved.

The invention discloses a tooth repair sander, and relates to the technical field of oral cavity cleaning, the tooth repair sander comprises a sander main body, a grinding head and a bending mechanism, the bending mechanism is arranged at the bottom end of the sander main body, and the bending mechanism comprises a fourth rotating shaft rotatably connected to the bottom end of the sander main body; a first transmission gear is fixedly connected to the lower end of the fourth rotating shaft, a second rotating shaft is rotatably connected to the left side of the arc surface of the lower end of the sander body, a rotating seat is fixedly connected to the bottom end of the second rotating shaft, a second transmission gear is fixedly connected to the middle section of the outer surface of the second rotating shaft, and a connecting rod is inserted into the arc surface of the rotating seat; a plurality of connecting rods are arranged, every two connecting rods form a group, and a flexible push block is fixedly connected between the ends, away from the rotating seat, of every two vertically adjacent connecting rods, so that the grinding head can smoothly touch and effectively grind the inner side area of the tooth, and the overall flexibility and accuracy of tooth grinding operation are improved.

An extensible small UWB radio frequency module test system includes a hardware module, a software control interface, a test item extensibility calculation unit, and a control and data acquisition system. The hardware module integrates a radio frequency interface, a reference clock interface, and a memory. The software control interface includes basic function firmware and application firmware, the latter of which can be downloaded and replaced according to test requirements. The test item extensibility calculation unit is responsible for optimizing the module configuration to adapt to diverse test requirements. The control and data acquisition system realizes communication between modules through data transmission, and the data processing module is responsible for analyzing the test results. The system design allows flexible configuration of the number of modules, the number of radio frequency interfaces, and the number of parallel test items according to the evaluation results of the calculation unit, so as to achieve rapid response to different test requirements and resource optimization. Through modular, flexible and intelligent design, the production test cost is significantly reduced, the test efficiency is improved, and the accuracy and reliability of the test are maintained.

The invention discloses electric appliance base injection molding part cooling machining equipment, and relates to the technical field of injection molding machining, the electric appliance base injection molding part cooling machining equipment comprises a frame body, the frame body further comprises a base, supporting rods are fixedly connected to the four corners of the top of the base, a top plate is fixedly installed at the tops of the supporting rods, and the outer surfaces of the supporting rods are sleeved with sleeve shafts; a pneumatic device is fixedly installed in the middle of the top of the top plate and comprises an air cylinder, the output end of the air cylinder is fixedly connected with a movable mold heat dissipation assembly, sleeve shafts are fixedly installed at the four corners of the movable mold heat dissipation assembly, and a fixed mold heat dissipation assembly is fixedly installed on the outer surface of a supporting rod. And the fixed mold heat dissipation assembly is installed under the movable mold heat dissipation assembly, a feeding device is fixedly installed on the top of the side face of the fixed mold heat dissipation assembly, through the effect of the heat dissipation assemblies, rising of the temperature of cooling water can be slowed down, then the mold cooling speed of the cooling water is higher, and the mold cooling speed is further increased.

The utility model discloses a numerical control press die storage cabinet, and relates to the technical field of cabinets. The device comprises a box body and shells with holes, the box body is provided with a mounting mechanism and a connecting mechanism, at the moment, two T-shaped shells on the left side and the right side pull two first springs on the left side and the right side respectively to deform, and at the moment, two insertion rods on the left side and two insertion rods on the right side are separated from the inner walls of the two shells with holes. Then the storage shell and the storage shell are dragged to slide up and down on the inner walls of the two shells with holes for adjustment, and after adjustment is completed, a convex shell is made to make contact with the inner wall of a limiting shell again according to the operation in the reverse direction, so that a plurality of inserting rods make contact with the inner walls of the two shells with holes to limit the storage shell and the storage shell; and then the storage shell slides to place the mold on the inner wall of the storage shell and reset, then the mold is sealed in the box body through the connecting mechanism, through the operation, the space of the storage cabinet can be flexibly adjusted according to the molds of different sizes, the space is effectively utilized, and waste of the fixed space is avoided.

The application discloses a kind of space reconfigurable mobile flexible cable anchor point platform device and working method thereof, device includes the lifting flexible cable drive rope anchor point support column module installed on omnidirectional mobile platform, 180 ° limit fixed flexible cable drive rope anchor point support column module and two groups of flexible cable rope drive module;One group of flexible cable rope drive module in which upper double cable drive rope extends downward to be fixedly connected to robot work platform after passing through the anchor point rotating pulley assembly in lifting flexible cable drive rope anchor point support column module, another group of flexible cable rope drive module in which lower double cable drive rope continues to extend upward to be fixedly connected to robot work platform after passing through the 180 ° limit anchor point pulley in 180 ° limit fixed flexible cable drive rope anchor point support column module, working method at least two groups of the space reconfigurable mobile flexible cable anchor point platform device of the application cooperate, realize the drive to robot work platform.The application realizes the purpose that large-scale space can be reconfigured.

The utility model belongs to the technical field of vehicle part manufacturing equipment, and discloses a rolling line continuous rolling die for automobile parts, which comprises a platform, the platform is connected with a supporting column, the platform is rotatably connected with two groups of rotating shafts I, the rotating shafts I are connected with a die body, the platform is connected with a supporting plate, and the supporting plate is connected with a plurality of groups of telescopic rods. The telescopic ends of the telescopic rods are jointly connected with a supporting frame, the telescopic rods are sleeved with springs, the two ends of the springs are connected with the supporting plate and the supporting frame respectively, the supporting frame is rotationally connected with a second rotating shaft, the supporting frame is connected with a first motor, the output end of the first motor is connected with the second rotating shaft, the second rotating shaft is connected with a transmission cylinder, and the first rotating shaft is connected with a driving device. According to the utility model, power can be provided for materials while the positions of the materials are limited, so that an operator does not need to watch a station for a long time for manual feeding, material deviation is monitored at any time, and repeated physical labor is liberated.

This invention relates to the field of casting production equipment technology, and in particular to a fully automatic casting production equipment, including a conveying base, on which multiple aluminum alloy pot bottom molds are placed, and aluminum alloy pots are placed on the aluminum alloy pot bottom molds. A baffle is slidably fitted on a gantry frame, and a guide pipe is passed through and fixedly connected to the baffle. A gate removal mechanism is slidably fitted on a fixed frame, and a collecting seat is fixedly connected to one outer wall of the baffle. After the aluminum alloy pot is poured and the upper mold is removed, the removal plate is driven by a transmission mechanism to move back and forth, replacing manual removal. This reduces the opportunity for workers to come into contact with high-temperature castings, lowering the risk of burns and other safety hazards. Automated removal reduces the time spent on manual operation, making the casting process more efficient and improving production efficiency. At the same time, under the action of the transmission gear, the distance of the removal plate's progressive descent can be adjusted to maintain the consistency and precision of removal, avoiding unevenness caused by manual operation and ensuring the quality of the castings.

The utility model relates to the technical field of milling cutters, and discloses a double-edge PCD cutter which comprises a cutter handle, two spirally-rising cutting edges are fixedly connected to the top of the cutter handle, the tops of the two cutting edges are coated with hard coatings, a first cooling liquid spraying hole is formed between the two cutting edges, and a second cooling liquid spraying hole is formed between the two cutting edges. A second cooling liquid spraying hole and a third cooling liquid spraying hole are formed in the lower ends of the two blades correspondingly, a mounting clamping shaft is fixedly connected to the lower end of the side face of the cutter handle, the bottom of the cutter handle is of an open structure and provided with a threaded groove, the bottom of the cutter handle is in threaded connection with a mounting base, and a cooling liquid channel is formed in the top of an inner cavity of the cutter handle. The tool bit is coated with the hard coating, the sharpness and the precision of the tool can be kept for a long time, cooling liquid can be sprayed to the tool bit in a faster and larger-area mode through the special cooling liquid spraying holes, and the heat dissipation efficiency of the cooling liquid is improved when the tool bit works.

The application provides a satellite vegetation index fusion method based on optimal interpolation and fast Fourier transform, comprising: obtaining a meteorological vegetation index product and a high-resolution vegetation index product; performing multi-level interpolation processing on the meteorological vegetation index product based on optimal interpolation and plane equation interpolation, taking a specified vegetation index product as a background field, to obtain a vegetation index interpolation; performing fast Fourier transform processing on the high-resolution vegetation index product to eliminate a seam area contained in the high-resolution vegetation index product, to obtain a new high-resolution vegetation index product; and fusing the vegetation index interpolation and texture features corresponding to the new high-resolution vegetation index product, to obtain a vegetation index fusion result, wherein the texture features are used to describe a vegetation index change between two adjacent pixels in the new high-resolution vegetation index product. The application can significantly improve the precision of the vegetation index fusion result in a complex terrain or a region where multiple vegetation types coexist.

This disclosure provides a dual-process RTK solution method and apparatus based on an embedded platform. The method comprises two independent solution processes: a first process and a second process. The first process performs RTK solution on N epochs of GNSS observation data to obtain fixed RTK position information, RTK velocity information, and fixed ambiguities. The second process performs solution on GNSS observation data for each subsequent epoch, achieving full-frequency solution. The first process executes 1 / M of the entire solution every 1 / M second, significantly reducing the computational load per unit time. The second process executes a complete solution every 1 / M second, extrapolating the motion state based on the fixed RTK position information and RTK velocity information obtained from the first process to obtain a priori position estimate for the current moment. Based on this, the second process performs single-point positioning and uses the fixed ambiguities from the first process for rapid fixed solution calculation, thus maintaining the accuracy and stability of high-frequency output without repeating the complete RTK process. In summary, the proposed solution improves the computation efficiency of the RTK algorithm on embedded platforms, reduces hardware costs, and meets the requirements for high-frequency computation across the entire system and frequency range.

The utility model discloses an intelligent circuit breaker opening and closing holding mechanism which comprises an outer shell, hinge shafts are hinged to the two sides of the interior of the outer shell, an adjusting seat is hinged to one side of each hinge shaft, a spring groove is formed in one side of the adjusting seat, a guide hole is formed in the spring groove and located in the surface of the other side of the adjusting seat, and the spring groove is provided with a spring. A guide rod is slidably mounted in the guide hole, a supporting spring is fixedly connected into the spring groove and slidably connected to the surface of one end of the guide rod in a sleeving mode, a hinge joint is arranged at one end of the guide rod, an adjusting block is hinged to one end of the hinge joint, and an adjusting rod is fixedly connected to one side of the adjusting block. One end of the adjusting rod is installed on one side of the outer shell in a sliding mode, tightness can be adjusted through threads, supporting stability is guaranteed, the limiting ball head is connected with the clamping block, clamping positioning can be assisted, the structural stability is improved, combined use is facilitated, and adaptability is high.

The invention relates to a machine tool frame with the force and heat uniformity characteristic, a machining machine tool and a workpiece machining method, belongs to the technical field of machining machine tool structures, and solves the problems that in the prior art, a machine tool frame is poor in force and heat symmetry and balance characteristic, weak in structural rigidity and small in strength. According to the closed frame machine tool structure with the force-heat balance characteristic, the symmetric design capable of improving the environmental adaptability and stability of the machine tool is adopted, and the closed design capable of simplifying the maintenance and cleaning work of the machine tool is adopted. The machine tool frame is of a closed integral frame structure and comprises four stand columns, four cross beams and a base.

The present invention relates to a method and device for molding a medical device head with glue, the method comprising the following steps: inserting a medical device housing into a mold, then inserting a metal pin into a flexible sleeve, and inserting the metal pin with a flexible sleeve on the outer surface into a first hole and a second hole reserved in the mold. Next, injecting a glue potting material for forming the medical device head into the mold and waiting for it to solidify. After solidification, the metal pin, the flexible sleeve needle and the mold are removed in turn to obtain a molded medical device head. Compared with the prior art, the present invention reduces the risk of damage to the inner wall of the suture hole and improves manufacturing accuracy and production efficiency.

This invention provides a SCARA robotic arm, characterized by comprising: a movable base, at least two articulated arms, and articulated motors disposed at each articulated arm; the movable base is sequentially connected to each articulated arm; each articulated motor is a planetary gear motor, and each articulated motor is rigidly directly connected to a follower structure via coaxial bearings; an end effector is mounted on the end articulated arm. This invention, by selecting an integrated articulated motor with a planetary reducer as the drive unit, enables the joint output to achieve high torque and sufficient speed without the need for external multi-stage reduction links, directly increasing the output capacity per unit volume on the drive side, thereby reducing the need for additional structural and transmission components to meet dynamic performance requirements. The rigid direct connection scheme between the articulated motor and the follower structure shortens the power transmission path, reduces backlash and flexibility introduced by components such as synchronous belts / linkage mechanisms, and lowers phase lag and energy loss.

The application discloses a lightweight optical flow neural network method for river speed measurement, comprising the following steps: collecting dynamic monitoring images of a water area surface flow field, combining a DeepFlow optical flow algorithm to calculate an approximate optical flow field and generate an optical flow label; building an improved lightweight ConvFFN-Flow optical flow estimation model, including a feature extraction module, a 4D correlation structure module, a GRU optical flow residual iteration module and an up-sampling module; by introducing the ConvFFN module, the model parameter size and the calculation amount are reduced while the optical flow prediction accuracy is maintained; based on the pixel coordinates of the front and rear two images of the optical flow field data, the corresponding positions in the real three-dimensional space are obtained, the actual displacement amount is calculated, and the real flow velocity vector size and flow direction of the water surface are derived. The method still has stable and high-precision optical flow estimation capability when processing scenes such as river water surface texture microstructure and complex flow state change, and significantly reduces the calculation cost and storage demand.

The application relates to the technical field of roll production line control, and discloses a high-speed roll changing control method and system based on tension prediction, wherein the method comprises the following steps: initializing control parameters; collecting the roll diameter of a main roll shaft and material tension in real time, and predicting a roll changing trigger time based on a roll diameter change rate; generating a prepared roll shaft acceleration curve based on an electronic cam algorithm, and calculating a tension feedforward compensation amount according to the moment of inertia and angular acceleration; outputting a speed error feedback item, a tension error feedback item and a feedforward compensation item to a servo driver after superposition; triggering a cutter and a compression roller in sequence to complete roll changing after determining a speed synchronization condition; and completing smooth transfer of tension control rights through a coordination gradual change strategy.

The utility model belongs to the field of optical accessories, and particularly relates to an optical sighting telescope capable of being quickly disassembled and assembled, which comprises a sliding rail, an assembling seat is movably mounted at the top of the sliding rail, moving grooves are formed in two sides of the assembling seat, a clamping groove is formed in one side of each moving groove, a sliding block is movably mounted in each clamping groove, and the sliding block is movably mounted in the sliding rail. An L-shaped rod is fixedly installed on one side of the sliding block, and a guide block is fixedly installed at the bottom of the L-shaped rod. Through the structural design of the sliding rail, the assembling base, the moving groove, the clamping groove, the sliding block and the L-shaped rod, the function of simplifying the connecting structure of the sighting telescope and the gun body is achieved, so that the sighting telescope can be rapidly replaced or disassembled when needed, additional tools or complex operation is not needed, the use threshold is lowered, and a user can easily complete disassembly or assembly. The problem that the disassembly and assembly speed is affected due to complex operation is solved, the L-shaped rod can be conveniently guaranteed to descend smoothly through the arrangement of the guide block, and therefore the purpose of rapidly installing the assembly base is achieved.