85results about How to "Reduce cumbersome steps" patented technology

The application discloses a preparation method of high-performance Ti2AlNb-based alloy plate and belongs to the technical field of titanium alloy plate preparation. The application discloses a preparation method of high-performance Ti2AlNb-based alloy plate, and the specific steps are as follows: firstly, the grain size is refined through multi-directional near-isothermal forging and hot rolling, and the comprehensive performance of the plate is improved, wherein the ingot is subjected to multi-directional near-isothermal forging in an alpha2+B2 phase zone (1020 DEG C-1040 DEG C) and an O+B2 phase zone (930 DEG C-960 DEG C), and the grain size of the forged alloy is refined through continuous temperature reduction phase transformation and recrystallization; then, only upper and lower cover plates are added to cover the plate, rivets are used to fix the blank, and hot rolling is carried out in an alpha2+O+B2 phase zone (980 DEG C-1010 DEG C), and the plate is air-cooled after rolling to obtain the Ti2AlNb-based alloy plate with relatively excellent performance. Then, through comparison and experiment, the process of 1000 DEG C / 20min / argon gas rapid cooling heat treatment is selected. Finally, the Ti2AlNb-based alloy plate with excellent performance at room temperature is obtained.

The utility model discloses a take inner wall cleaning structure's toning machine belongs to toning machine technical field, including mounting panel, and the mounting panel is fixedly connected through bolt no.

The utility model relates to the technical field of medical instruments, in particular to a neuroendoscopic abrasive drill with a water injection pipe fixing device, which comprises a handle component, an outer sleeve rod, an abrasive drill, a guide seat and a water injection joint, and the guide seat and the water injection joint are arranged at the front end of the outer sleeve rod. A fixing device is arranged on the outer sleeve rod and comprises a hoop fixedly arranged on the outer sleeve rod in a sleeving mode and a fixing assembly installed on the hoop. The fixing assembly comprises an outer shell, a fixed inner sleeve, a movable sleeve and a nut, the fixed inner sleeve is provided with a center channel for the water injection pipe to penetrate through, elastic grabbing clamps which are annularly and evenly distributed are arranged at one end of the fixed inner sleeve, the movable sleeve is slidably arranged on the fixed inner sleeve in a sleeving mode, and the nut is in threaded connection with the fixed inner sleeve. The nut is screwed to push the movable sleeve to axially move and extrude the elastic gripper, so that the elastic gripper is forced to radially contract, and the water injection pipe is firmly clamped. Adhesive tape is replaced by a mechanical buckle type structure, so that an external water injection pipe is quickly and reliably clamped and released, displacement or falling of a pipeline in an operation is avoided, and the flushing effect and the operation safety are guaranteed.

The utility model relates to the field of automation control discloses a kind of multi-shaft linear motor platform, including base, the upper surface of the base is fixedly connected with slide rail, the outer wall of the slide rail is slidably connected with work platform, the side wall of the work platform is fixedly connected with scraper, the inner wall of the base is elastically connected with baffle by torsion spring, the bottom end of the base is inserted with collection box, the inner wall of the collection box is provided with dismounting mechanism, the inner wall of the base is provided with heat dissipation component, the dismounting mechanism includes insert block, the insert block is slidably connected on the inner wall of collection box, the right side wall of the insert block is elastically connected with collection box by movable spring.The utility model in the present application, dust is cleaned by scraper, the separation and coincidence of insert block and base notch can quickly collect and process dust, reduce the tedious steps of manual cleaning slide rail and base, further save working time.

The utility model relates to the technical field of measuring instrument storage, in particular to a portable thermoluminescence dosage measuring instrument. The measuring instrument comprises an outer box and a measuring instrument body, a sliding drawing mechanism is arranged outside the outer box, the sliding drawing mechanism comprises a sliding cover arranged on one side of the outer box in a sliding mode, and the sliding cover and the measuring instrument body are fixedly arranged. According to the device, rapid taking and placing of the measuring instrument body are achieved through the sliding drawing mechanism, the sliding cover and the measuring instrument body are fixedly connected through the first fixing bolt, and by means of sliding fit of a sliding block and a sliding groove and detachable connection of a buckle, the measuring instrument body can be rapidly taken and placed. A user only needs to open the buckle and pull the sliding cover to pull the whole measuring instrument body out of the outer box, the tedious step that a traditional instrument needs to be separated from an anti-seismic structure is omitted, the operation process is greatly simplified, meanwhile, the sliding drawing mechanism has the limiting function, the relative stability of the measuring instrument body and the outer box in the carrying process is ensured, and the measuring instrument is convenient to carry. And the shaking risk is avoided.

This utility model discloses a connecting rod for edentulous robotic implant surgery, which includes an intraoral end, a middle part, and a connecting end; the intraoral end is configured to connect with the screw retention abutment of the implant; the middle part is constructed as a space avoidance structure to avoid the lips and / or nose; the connecting end is configured to detachably connect to the robot's tracking device; the technical solution provided by this application does not require printing a personalized registration plate or additional implantation of retention titanium screws, etc., and is simple to operate, which can effectively shorten the chairside operation time of preoperative preparation.

This utility model relates to the field of durability testing technology, specifically a solid-state drive (SSD) insertion / removal durability testing fixture. It includes a test base, a feeding mechanism, a gripping mechanism, and an insertion / removal mechanism. The feeding mechanism is mounted on the surface of the test base and includes a conveyor frame, a conveyor belt, and a conveyor motor. It can quickly and accurately align the gripping claw with the SSD under test, and the gripping force can be naturally adjusted according to the spring compression. This avoids damage to the SSD casing caused by rigid gripping while ensuring effective clamping of the SSD. The pawl, under the elastic force of the second spring, continuously engages with the ratchet tooth groove, forming a one-way locking structure. This completely restricts gear reversal, thereby locking the position of the pressure plate and ensuring that the gripping claw maintains a stable clamping force. Even if the electric telescopic rod experiences slight extension or contraction, or if the equipment vibrates during operation, it will not loosen, providing absolutely stable gripping assurance for subsequent lifting, conveying, and other processes.

The utility model discloses a medical supply packaging structure can reduce the oxygen and moisture content in the packing, including packing box, scavenger and sealed bag, the scavenger is built -in in packing box, and the sealed bag is set up in packing box outside and seals packing box. Packing box includes bottom shell and top cover, and the side edge of bottom shell is swingingly linked with the side edge of top cover, and bottom shell is equipped with at least one and is used for accommodating medical supply's accommodation cavity and at least one storage groove, and the edge of bottom shell is equipped with a plurality of first positioning piece, and the edge of top cover is equipped with a plurality of with first positioning piece one -to -one corresponding second positioning piece, and second positioning piece and first positioning piece interference fit make top cover with bottom shell cover, and in packing box cover state, the accommodation cavity and storage groove between have the breathable passage of intercommunication. Scavenger includes dehumidifier and oxygen scavenger, and dehumidifier and oxygen scavenger are contained in same storage groove or are contained in different storage groove respectively, for through the breathable passage and remove the moisture and oxygen in accommodation cavity.

The utility model relates to project data packing and encapsulating technical field, especially intelligent collection and encapsulation integrated machine of project data, including machine case, the left and right symmetry of machine case top portion is provided with the placing plate, the back of machine case top portion is provided with the baffle, is provided with the collection component that can align and arrange the project data that needs packing and encapsulating on machine case, rotationally is provided with the rotating shaft between two baffles, the swing frame is symmetrically set up on the rotating shaft. The device has corresponding structure auxiliary in the encapsulation link, the operation such as fixing, pulling and tightening of thermoplastic encapsulation strip. The clamping plate and support plate cooperate to stably fix one end of the encapsulation strip, the servo motor drives the rotating column to rotate to accurately pull the encapsulation strip to the taut state, and the tightening degree can also be controlled by setting the rotation number, which avoids the material bag from falling off and prevents the internal material from being damaged due to tightness.

This utility model discloses an adjustable-spacing transformer and rectifier mounting base, specifically relating to the field of transformer and rectifier installation technology. It includes a base crossbeam and two mounting frames located above the base crossbeam. Each mounting frame includes two mounting longitudinal plates and a second mounting transverse plate welded between the two longitudinal plates. After equipment installation, if the spacing between the transformer and rectifier is incorrect, external tools can be used to connect positive and negative lead screws and drive them to rotate. This causes the sliders to move away from each other, and through linkage transmission, the base plate moves downwards into the inner side of the base crossbeam, reducing friction between the mounting frame and the base crossbeam, facilitating fine-tuning. Furthermore, no holes need to be drilled in the base crossbeam before adjustment; drilling is only required after the spacing is adjusted. This simplifies the installation process, improves installation efficiency, avoids damage to the structural strength of the base crossbeam from excessive drilling, and extends the service life of the base.

This utility model discloses a measuring device for measuring the rotational accuracy of an electric actuator, comprising an electric actuator, an encoder, an analog module, a PLC controller, a touch screen, and a power supply module. The electric actuator receives analog control signals and performs angular displacement; the encoder is installed at its output and is used to collect angular travel data; the analog module receives the 4-20mA analog signal output by the electric actuator and converts it into a digital signal; the PLC controller receives data from the encoder and analog module and performs accuracy analysis; the touch screen is connected to the PLC and displays the measurement results in real time; the power supply module provides power to all the above components. This device has a compact structure, high-precision automatic measurement capabilities, significantly improves testing efficiency, and reduces manual operation costs, making it suitable for rapid testing and quality assessment of industrial electric actuators.

This utility model relates to the field of organ-on-a-chip technology, specifically a variable adaptive organ-on-a-chip fixture, including a lower clamp assembly, a sealing ring, an upper clamp assembly, locking screws, a clamp assembly, and connecting screws. Its key feature is that the upper and lower clamp assemblies are hinged together by the connecting screws, and both assemblies can be stretched and locked along their length. The upper clamp assembly has a sample inlet / outlet port, and the clamp assembly is fitted into the inlet / outlet port to fix the infusion tube. One section of the inlet / outlet port has an annular groove. In this variable adaptive organ-on-a-chip fixture, the upper clamp assembly engages with the insertion groove of the stretching upper clamp through the insertion shaft of the base upper clamp, and the lower clamp assembly engages with the guide groove of the stretching lower clamp through the guide shaft of the base lower clamp. It can be freely stretched along its length and locked by the locking screws, adapting to organ-on-a-chips with different length specifications without requiring replacement of the entire fixture set, thus solving the specification constraints of traditional fixtures that require only one clamp per chip.

The application relates to the technical field of float launching devices, and discloses a float launching device for hydrological monitoring, which comprises a mounting frame, a lifting launching device fixedly arranged at the upper end of the mounting frame, a steel rope arranged on the lifting launching device, a positioning assembly arranged on one side of the steel rope, a launching assembly arranged on the lower side of the positioning assembly, the positioning assembly comprising a fixed bending rod fixedly arranged on a telescopic rod of the lifting launching device, a circular tube fixedly arranged in the middle of the fixed bending rod, an upper limiting ring fixedly arranged at the lower end of the circular tube, an outer sleeve fixedly arranged at the lower end of the upper limiting ring, and an inner sleeve slidingly arranged on the inner side of the outer sleeve. The float launching device for hydrological monitoring can automatically rotate to align with the lifting ring of the monitoring float, the lifting hook can be lifted to place the monitoring float on the water surface, and the lifting hook can automatically rotate to be disengaged from the lifting ring of the monitoring float under the gravity of the counterweight.

The utility model discloses a quick spool loading and unloading device of a spool loosening machine, which relates to the technical field of spool loosening machines and comprises a cylinder, one end of a telescopic rod of the cylinder is rotatably connected with a transmission shaft, the end of the transmission shaft is provided with a clamping mechanism, one end of the clamping mechanism is fixedly connected with an end cover, and the center of the outer wall of the end cover is connected with a push rod in a penetrating manner. According to the utility model, the cylinder is used for controlling the push rod to push the push block, the edge of the push rod is used for extruding the top pressing block to enable the top pressing block to be ejected out of the telescopic groove, and then a spool outside the clamping mechanism is extruded and fixed; after winding of the bobbins is completed, the pushing blocks are controlled by the air cylinders to pull the jacking blocks to retract into the telescopic grooves, then the bobbins are rapidly loosened, a user can conveniently and rapidly assemble and disassemble the bobbins, the assembling and disassembling time of the bobbins is greatly shortened, tedious steps of manual operation are reduced, and therefore the overall production efficiency of the bobbin loosening machine is improved.

This application discloses a PCB board testing mechanism, relating to the field of PCB board testing technology. It includes a main body, a slider, and a through-hole. The main body has a placement groove on its upper side. Two sets of uprights arranged symmetrically around the center are fixedly connected to the upper diagonal of the main body. A lifting groove is formed on the inner side of each upright. The slider is slidably connected to the inner side of the lifting groove. A pressing mechanism is installed on the outside of the uprights, and a detection mechanism is installed on the outside of the slider. The through-hole is located on the upper side of the placement groove, and a heating mechanism is installed inside the main body. In a single operation, this device accurately measures the PCB thickness by pressing down with a pressure block, while simultaneously using hot air heating and real-time monitoring of pressure changes to directly determine its thermal expansion trend, achieving efficient and simultaneous detection of thickness and thermal expansion performance.

The invention relates to a method for synthesizing lesinurad, which comprises the following steps of: sequentially performing aldehyde-thiosemicarbazide condensation, cyclization, bromination and hydrolysis reaction on a compound 4-cyclopropyl naphthalene-1-formaldehyde as shown in a formula I serving as a raw material to obtain a compound lesinurad as shown in a formula V; according to the invention, a 1, 2, 4-triazole ring is constructed by an innovative strategy of aldehyde-thiosemicarbazide condensation-cyclization, so that tedious steps of a traditional step-by-step process are omitted, and the cyclization yield is increased from 85% to 92%; the method is mild in overall reaction condition, low in equipment damage, simple in process, green and environment-friendly, capable of ensuring continuous production of high-quality products and high in application value.

The utility model discloses an adjustable multi -section turning tool for turning processing, the tool holder is provided with the tool bar in the inner wall, the outer wall of tool holder is fixedly connected with the rubber pad in the symmetry, the outer wall of tool holder far away from rubber pad one side is opened the sliding slot in the symmetry, the outer wall of tool holder is opened the horizontal groove, the inner wall screw thread connection of tool holder top has the fixed screw, the utility model relates to turning tool technical field, this tool holder, through the tool bar of multiple groups length from short to long arrangement constitutes multi -section turning structure, can complete to the layered removal of bulky excess in one sequence processing, replaces traditional multi -process tool changing processing mode, and the tool changing frequency and processing time are reduced greatly, through the sliding connection of sliding plate and sliding slot, can expose or shield fixed screw quickly, effectively block turning waste entering screw gap, and can also be removed easily when replacing tool bar, reduce the cumbersome step of cleaning waste.

The utility model belongs to the field of detection, particularly relates to a brake disc flatness and thickness detection gauge, and aims to solve the problems that manual measurement is adopted during existing brake disc detection, the efficiency is low, the method is easily influenced by human factors, the measurement result is inaccurate and inconsistent, and when different detections are carried out on a brake disc, the detection efficiency is low. In order to solve the problems that in the prior art, different detection tools need to be replaced, and the operation is complex, the following scheme is provided: the brake disc detection device comprises a base, the upper surface of the base is fixedly connected with a detection table, the detection table is internally provided with a brake disc body, the detection table is internally provided with a groove matched with the brake disc body, and the upper surface of the base is fixedly connected with an annular sliding rail; according to the brake disc flatness and thickness measuring device, by adopting a precise mechanical structure and measuring elements such as the dial indicator and the dial gauge, the flatness and thickness of the brake disc can be accurately measured, personal errors are reduced, and the accuracy and reliability of a detection result are improved.

This invention relates to the field of building block cutting technology, specifically a building block cutting device with a protective structure. The device includes a block, a cutting alignment mechanism inserted into the outside of the block, a brick joint protection mechanism mounted on the cutting alignment mechanism, a drive cutting mechanism mounted on the cutting alignment mechanism, a dust removal mechanism mounted on the cutting alignment mechanism, and a wire saw blade disposed within the cutting alignment mechanism. The cutting alignment mechanism includes a housing. By setting a brick joint protection mechanism adapted to the block structure and installing a brick joint protection mechanism on the block protection mechanism to enhance dust collection and protection on both sides of the block, when the motor runs and drives the wire saw blade to rotate at high speed, the wire saw blade, under pressure and descending at a uniform speed, efficiently and accurately cuts the block longitudinally. This mechanized and precise longitudinal cutting improves the accuracy of the block cutting joint, further reduces the workload for workers, and increases work efficiency.

The utility model discloses a device capable of simultaneously feeding a plurality of yarns, which relates to the technical field of yarn conveying and comprises a base, support plates are fixed on two sides of the top of the base, and a plurality of groups of yarn wheel components I are arranged between the two support plates; lifting plates are arranged between the tops of the left sides and the right sides of the two supporting plates, a fixing frame is fixedly arranged between the tops of the two lifting plates, the bottom of the fixing frame is slidably connected with a guiding movable block driven by a servo motor, and an electric push rod is installed at the bottom of the guiding movable block; according to the yarn binding device, multiple yarns can be conveniently bound on one side of the base at the same time, then the multiple yarns are dragged to the other side of the base at the same time through movement of the second yarn wheel assembly, in this way, the multiple yarns can be dragged at the same time and placed in the corresponding first yarn wheels, operation is simpler and more convenient, and the yarn binding efficiency is improved. The tedious step of pulling a plurality of yarns one by one is omitted.

The utility model relates to the technical field of zippers, in particular to a magnetic type zipper which comprises a first base band and a second base band, a plurality of first teeth are fixedly installed at the end, close to the second base band, of the first base band, a plurality of second teeth are fixedly installed on the side, close to the first base band, of the second base band, and the first teeth and the second teeth are meshed with each other. A zipper head is arranged on the surface of the second base band and attached to the second teeth in a sliding mode, a first connecting base is fixedly installed at the tail of the first base band, and a first magnetic attraction assembly is arranged at the end of the first connecting base. According to the scheme, through the design of the first magnetic attraction assembly and the second magnetic attraction assembly, a user can rapidly complete adsorption butt joint of the tail of a zipper with one hand, cooperation of a horn mouth and a conical block guides accurate adsorption of a magnet, it is ensured that the initial position of a zipper head is automatically matched with a hook head, the tedious step that a traditional zipper needs to be aligned with two hands is omitted, and the method is especially suitable for a single-hand operation scene; the use efficiency is improved.

This utility model discloses a testing device for high-strength ball valve castings, relating to the field of ball valve testing technology. It solves the problem that during sealing, the tooling does not fit tightly against the flange surface of the casting, affecting the accuracy of the testing results. The testing device for high-strength ball valve castings includes: a base; the base adopts a rectangular plate structure; a fixed plate of rectangular plate structure is fixedly installed on the top right side of the base; a set of cylindrical first sliding rods are slidably installed in the circular through grooves on both sides of the fixed plate; a blocking plate of an annular plate structure is fixedly installed at the front end of the two sets of first sliding rods; a T-shaped plate structure upper plate is fixedly installed on the top of the blocking plate; a cylindrical second sliding rod is fixedly installed on the front side of the upper plate; a set of arc-shaped sealing plates are slidably installed on both sides of the second sliding rod; this avoids the false sealing problem caused by uneven force in traditional manual operation, ensuring the authenticity and reliability of the testing results.

This invention relates to a household kitchen waste treatment device based on the feeding method of mealworms. From top to bottom, it includes a dehydration unit, a temporary storage and conveying unit, and a biofilter unit. The biofilter unit includes a pull-out box for storing mealworms, which is detachably installed in the treatment device housing. The pull-out box contains a biological activity monitoring module and an environmental monitoring and control module, which remind the user to replace the biofilter unit when the mealworm activity is poor. This invention provides a kitchen waste treatment device that is easy to use and operate in the home, suitable for ordinary family members. It requires no advanced professional skills or breeding knowledge, nor does it require complex feed pretreatment steps. Users only need to replace the manufacturer-supplied biofilter unit according to system prompts. Furthermore, the biofilter unit's box is a fully enclosed structure, making its interior invisible to the user, thus avoiding psychological barriers during replacement.

The utility model provides an oil seal processing device which comprises a frame and is characterized in that an object placing rod is vertically arranged on the frame, a lifting ring is sleeved outside the object placing rod, a connecting lug of the lifting ring is connected with a push rod end part of an electric push rod, a machine body of the electric push rod is connected with the frame through a mounting beam I, and the mounting beam II is connected with the frame. A stand column is installed on the frame, an adjusting base is connected to the stand column in a sliding mode, a laser pen is horizontally fixed to the adjusting base through an installation block, the pen point of the laser pen faces the containing rod, and a locking screw is further connected to the adjusting base in a threaded mode.

The invention relates to a method for synchronously and rapidly detecting multiple parameters of respirable dust and silicon dioxide on a membrane, and belongs to the field of dust monitoring. The method comprises the following steps: S1, carrying out on-membrane sampling and Fourier infrared spectrum scanning on the quartz respirable dust, taking the quartz respirable dust as a spectrum library of a standard sample, and establishing a standard silicon dioxide and quartz respirable dust quality prediction model based on a spectrum absorption peak of silicon dioxide at 800cm <-1 >; s2, selecting different types of dust, carrying out on-film sampling and spectrum comparative analysis, and establishing spectrum databases and dynamic correction models of different types of dust; and S3, aiming at concentration calculation deviation caused by sampling flow fluctuation, establishing a flow compensation and concentration calculation model, and finally realizing synchronous detection of multiple parameters such as respirable dust mass concentration, silicon dioxide mass concentration and silicon dioxide mass percent.

The utility model discloses a kind of rotary cutting mechanisms for office paper processing, including cabinet, cutting assembly, paper guide assembly, paper winding assembly, the paper winding assembly is arranged in the inside of cabinet, the paper guide assembly is fixedly connected in the inner wall of cabinet above the paper winding assembly, paper guide assembly side cabinet is opened in the inside and is provided with paper cutting cavity, cutting assembly is provided in the paper cutting cavity, the outer wall of cabinet is opened in the paper cutting cavity side and is provided with paper taking mouth, the lower end of paper taking mouth is rotatably connected with flap, the inside surface of flap is opened with inlay groove, the inlay groove is rotatably connected with paper stop board. The utility model aims at providing a kind of rotary cutting mechanisms, which is high in cutting efficiency, low in labor cost and easy to operate.

The utility model provides a kind of processing device of gas diffusion pipeline, it is related to pipeline processing technical field, including fixed plate, at least one set of positioning block oppositely arranged, fixed plate is equipped with calibration reference surface, at least one set of straight slot in preset straightness, and oppositely arranged rotary positioning slot, two rotary positioning slots are separately in the two ends of straight slot, and all are communicated with straight slot, calibration reference surface is configured as calibration fixed plate to preset level, two positioning blocks are respectively inserted in rotary positioning slot, and respectively connected with gas diffusion pipeline two ends, straight slot is used to keep gas diffusion pipeline in preset straightness, positioning block is used to keep gas diffusion pipeline in preset level, when positioning block rotates ninety degrees and reinserts rotary positioning slot, gas diffusion pipeline is still in preset straightness and preset level.The utility model can process micro-hole vertically arranged on gas diffusion pipeline with high precision and high efficiency.

The utility model discloses a combined type steel formwork which comprises a steel formwork body, the steel formwork body is arranged in an arc shape, an inserting portion is arranged at the upper end of the steel formwork body and comprises an inserting seat arranged at the upper end of the steel formwork body, a plurality of sets of positioning grooves are formed in the inserting seat, and the positioning grooves are arranged in the inserting seat. The multiple groups of positioning grooves are arranged at intervals; a connecting part is arranged at the lower end of the steel formwork body; and the inserting parts and the connecting parts are matched with each other, so that the two groups of steel formwork bodies are connected end to end. According to the utility model, through the matching of the inserting parts and the connecting parts, the end-to-end connection of a plurality of groups of steel template bodies can be easily realized. And a large number of bolts or buckle connecting pieces are not needed, so that the tedious steps of mounting and dismounting are reduced. And meanwhile, the stability of the butt joint parts of the steel formworks in the using process is ensured, and the risks of loosening and falling off of the connecting pieces are avoided.

The present invention relates to the technical field of communications, and discloses an OUN gateway configuration method, apparatus, device and medium for a PON network, the method comprising: receiving a ProbeRequest frame sent by a terminal device accessed through a virtual configuration SSID, the ProbeRequest frame encapsulating a new WiFi configuration parameter, the virtual configuration SSID being bound with a service SSID for WiFi configuration interaction; analyzing the ProbeRequest frame to obtain a new WiFi (Wireless Fidelity) configuration parameter; and applying the new WiFi configuration parameter to a corresponding service SSID bound with the virtual configuration SSID. The problems that in the prior art, a WiFi configuration mode is tedious in operation and high in technical threshold are solved.

The utility model discloses a novel rail vehicle framework relates to the field of rail car, including frame body, fixed ring and mounting bracket, one side swing installation of frame body inside has the threaded rod, one side swing installation of frame body has the fixed ring, and one side fixed connection of frame body inside has the limiting rod, two sides swing installation of frame body inside has the mounting bracket, and the inside of frame body of mounting bracket two sides is provided with the limiting slot, and the both sides of mounting bracket all are fixedly connected with the limiting block, and the limiting block is embedded with the limiting slot, and one end swing installation of mounting bracket has the screw rod, the utility model discloses through the screw rod fixed mounting bracket and additional equipment, expands the bearing function, and the equipment can be maintained by loosening screw rod and drawing mounting bracket, and it is not necessary to dismantle rail car, and the operation difficulty is reduced, and the repair efficiency is improved, through the positioning of fixed ring and limiting rod, the threaded rod is connected, can splice more device into bigger chassis, adapts to different length car body, widens the applicable scene, and improves the adaptability and practical value.