48results about How to "Improve adjustment flexibility" patented technology

The utility model discloses a kind of stirring devices for soybean meal fermentation, which belongs to the technical field of stirring equipment.It mainly includes: main body, its outside is fixed with feed inlet and discharge port, the main body is embedded with stirring shaft body, and the outer wall of stirring shaft body is equipped with multiple stirring wheels, part of stirring wheel is slidably connected with stirring shaft body, part of stirring wheel is fixedly connected with stirring shaft body;The one end of the main body is fixed with the variable-direction driving assembly connected with stirring shaft body;Among them, variable-direction driving assembly can drive part of stirring wheel to slide along stirring shaft body.The utility model is matched with variable-direction driving shaft by variable-direction driving assembly, so that part of stirring blade in stirring equipment can adjust the spacing between other stirring blades in different stirring stages, so as to achieve more fine stirring effect, not only improve the adjusting flexibility of stirring blade, but also improve the stirring uniformity of material.The utility model is mainly used for the stirring work of soybean meal fermentation.

This application relates to a signal transmission performance testing system, method, and electronic device for traffic lights. The system includes: a simulation module for generating original traffic light simulation data based on a target transmission test task; at least one roadside unit for broadcasting a combined signal generated from the original traffic light simulation data and real traffic light data to a preset signal coverage area after injecting the original traffic light simulation data; a vehicle terminal for extracting actual traffic light simulation data from the combined signal and generating corresponding traffic light recording data based on the actual traffic light simulation data; and an analysis module for analyzing the original traffic light simulation data and traffic light recording data to generate test results for the target transmission test task. This application's embodiments can flexibly simulate test scenarios through the simulation module and overlay simulated data and real data for unified broadcasting, ensuring the normal transmission of real traffic light information while completing performance testing.

The application discloses a kind of cleaning device of work roll for galvanized strip steel processing, including bearing base plate, rolling mill main body, roller conveyor, straightening machine main body, cutting machine main body and flattening machine main body, and the bottom end in rolling mill main body is connected with cleaning assembly by cleaning cavity, cleaning assembly can clean the work roll body in rolling mill main body, cleaning assembly includes horizontal mechanism, swing mechanism and reverse mechanism, swing mechanism can be moved and adjusted left and right, adapt to the work roll body of different positions, swing mechanism top is connected with reverse mechanism, can drive reverse mechanism to swing left and right, adapt to the arc structure of work roll body outside, reverse mechanism includes installation frame, cleaning wheel one and cleaning wheel two etc., under the cooperation of each other, by the reverse rotation of cleaning wheel one and cleaning wheel two, the cleaning effect of work roll body outside is strengthened, and the stripping effect of material on work roll body outside is improved, to realize more high-quality cleaning effect.

This utility model provides a universal rapid inspection tool for the center distance of drilled curved holes, relating to the field of machining inspection technology. It includes: a base plate; a base is mounted on the base plate by screws; a partition plate is mounted on the upper end of the base plate; a through groove is provided on the partition plate; a seat plate is fixed to the lower end of the partition plate; a movable plate that can move back and forth is installed in the through groove of the partition plate; a fixed seat is fixed on the movable plate; a first hydraulic rod is fixedly mounted on the fixed seat; the piston rod of the first hydraulic rod is fixedly connected to the seat plate; a sliding plate that can slide back and forth is mounted on the partition plate; the movable plate is connected to the right side of the sliding plate by bolts; and a support is fixed on the partition plate. This utility model significantly improves inspection efficiency and accuracy through innovative design. The hydraulically driven movable plate and lifting plate achieve rapid positioning, and with real-time readings from a dial indicator, the inspection time for a single piece is shortened to within 30 seconds, improving efficiency by 5-10 times compared to traditional coordinate measuring machines. The standardized process is suitable for online inspection on production lines.

This invention relates to the field of yarn tension testing technology, specifically to a textile yarn tension testing device. The device includes a main frame, a force gauge adapted and installed inside the top of the main frame, two fixed rollers rotatably connected inside the main frame, a motor adapted and installed on the outer side of the back of the main frame, a take-up reel located outside the motor's output end, and two adjusting rollers located inside the main frame. In this invention, the yarn is fixed to the take-up reel after a series of windings. Upon starting the motor, a rotating rod and a disc drive the take-up reel to rotate, thus winding the yarn. Simultaneously, the tension generated during winding is transmitted to the force gauge via a hook to measure the yarn tension. This design allows winding and tension measurement to be performed simultaneously, improving work efficiency.

The utility model discloses a magnetic type vehicle-mounted mobile phone support which comprises a base, two clamping blocks are slidably connected to the bottom of the base, a clamping assembly is arranged at the bottom of the base and used for driving the two clamping blocks to move, a rotating block is rotatably connected to the top of the base, and a locking structure is arranged at the top of the base and used for fixing the rotating block. The top of the rotating block is fixedly connected with a supporting block, and a groove is formed in the top of the supporting block. According to the mobile phone support, the clamping assembly drives the two clamping blocks to move, it can be guaranteed that the mobile phone support is installed and used more stably, the mobile phone support can be disassembled and assembled on an air outlet of a vehicle conveniently, meanwhile, the direction of the mobile phone support is adjusted by rotating the rotating block, the rotating block is fixed through the locking structure, and therefore the using effect of the mobile phone support is improved, and the mobile phone support is convenient to use. In addition, the adopted magnetic block is matched with an iron sheet preset on the mobile phone for use, so that the mobile phone can be magnetically attracted and fixed, and the use convenience of the vehicle-mounted mobile phone bracket is further improved.

The application is suitable for the technical field of power market dispatching, and provides a multi-market coordinated dispatching optimization method and system for wind-solar-water storage integration, which comprises the following steps: obtaining wind-solar-water storage system operation parameters, adjustable industrial load response characteristic parameters and power market rule parameters, constructing an adjustable load aggregation model, and establishing a multi-market regulation capacity mapping relationship for electricity energy, frequency modulation and standby auxiliary service markets; based on the mapping relationship and the operation parameters, a multi-market day-ahead joint coordinated dispatching model is constructed, with the optimal system operation comprehensive index as the target, and the base load output of various resources, the frequency modulation and standby capacity reservation, the energy storage charging and discharging and the load power regulation plan as the decision variables, and the coordinated dispatching scheme is obtained by solving the model and executed. The application effectively improves the overall operation economy, regulation flexibility and coordinated dispatching efficiency of the high-proportion renewable energy power system in the multi-market environment.

The invention discloses a flexible source-load-storage collaborative optimization scheduling method for electric vehicles, and particularly relates to the technical field of electric vehicles, and the method comprises the following steps: S1, constructing a source-load-storage medium voltage distribution network interaction model; s2, based on the interaction model, establishing a multi-objective optimization function which aims at minimizing the total operation cost of the power distribution network, maximizing the consumption rate of renewable energy sources and maximizing the user satisfaction degree of the electric vehicle; and S3, solving the multi-objective optimization function by adopting a random weight particle swarm optimization algorithm. According to the method, the adjustment flexibility and the power supply reliability of the power distribution network are remarkably enhanced, local consumption of renewable energy sources is effectively promoted, the overall low-carbon benefit of the system is improved, and the defect that a traditional algorithm is prone to falling into local optimum is overcome, so that a high-quality global approximate optimal solution can be quickly and stably obtained, and the method is suitable for large-scale popularization and application. And the dual requirements of engineering practice on calculation precision and efficiency are met.

The utility model relates to the technical field of building formwork supporting, and discloses an aluminum formwork supporting beam which comprises a fixed beam, the top of the outer wall of the fixed beam is fixedly connected with a bottom formwork, the bottom of the outer wall of the fixed beam is connected with a telescopic rod in a sliding mode, and the output end of a jack is fixedly connected with a fixing buckle. A first bolt is in threaded connection with one side of the inner wall of the fixing buckle, the fixing buckle is slidably connected to the middle of the inner wall of the fixing frame, a lever is rotatably connected to the right side of the outer wall of the jack, a pulley is rotatably connected to the bottom of the outer wall of the jack, and a supporting mechanism is fixedly connected to the top of the outer wall of the fixing beam. The supporting mechanism is used for fixing and supporting the aluminum formwork. According to the utility model, the fixed beam is a main bearing part of the supporting beam, the top of the fixed beam is connected with the bottom template, the fixed beam is used for bearing construction load, the height can be adjusted to adapt to different construction requirements, and deformation or instability is avoided when large load is borne.

The utility model discloses a kind of nursing chairs, it is related to nursing chair technical field, nursing chair includes chair frame and the seat body of being arranged at chair frame, chair frame includes the first limiting portion, swing portion and second limiting portion sequentially arranged along its swing direction, swing portion has the swing camber surface with ground contact, can be through adjusting swing camber surface and the contact position of ground, drive chair frame swing;The curvature of first limiting portion and second limiting portion is all greater than the curvature of swing portion, and both are located swing portion close to the side of seat body, and can limit chair frame continue to move in swing direction.The utility model aims at through the swing of nursing chair, to meet the use requirement of various feeding person, improve the adaptability and comfort of feeding process.

The utility model discloses a printing head assembly and additive manufacturing equipment, and relates to the technical field of additive manufacturing, and the printing head assembly comprises a base, a telescopic adjusting mechanism, a printing head body and an elastic buffer piece; the telescopic adjusting mechanism is provided with a fixed part and a movable part, the fixed part is connected to the base, and the movable part is adjustably and slidably matched with the fixed part along a first path; the printing head body is in sliding fit with the movable part along a first path, and the printing head body is used for conveying a thermoplastic wire to a printing area; the first end of the elastic buffer piece is connected to the movable part, and the second end of the elastic buffer piece is connected with the printing head body; the elastic buffering piece is used for preventing the printing head body from moving backwards on the first path under the elastic acting force. According to the scheme, fine position adjustment of the printing head on the feeding path can be achieved, meanwhile, the elastic device is arranged, so that the printing head has certain buffering capacity, and damage to the printing head caused by accidental collision is reduced.

The utility model discloses a compressor gas valve with buffer protection in the technical field of gas compressors, which comprises a gas valve body, a gas pipe body fixedly connected to the left end of the gas valve body, a support frame mounted at the upper end of the gas valve body, a control rotating rod mounted in the middle of the support frame, and a buffer mechanism and a pressure-bearing mechanism arranged inside the gas valve body. The compressor air valve with the buffering protection function is additionally provided with the buffering mechanism and the pressure-bearing mechanism, the buffering mechanism and the pressure-bearing mechanism supplement each other, the buffering mechanism is of a pneumatic damper body structure, the pressure-bearing mechanism is of an adjustable spring system, a dynamic buffering structure is formed, and the buffering mechanism is used for absorbing impact energy generated when the valve is opened and closed, reducing vibration and improving the reliability of the valve. The pressure bearing mechanism can automatically adjust the spring rigidity according to the working conditions of the compressor so as to adapt to different working pressures; when the air valve is opened or closed, the spring system firstly absorbs impact energy, then the pneumatic damper body further absorbs residual energy, and therefore smooth valve action is achieved.

The utility model discloses a high-adaptability steel pipe storing and taking positioning tray, and mainly relates to a steel pipe storing and taking positioning tray. Comprising a chassis, a plurality of fork openings are formed in the periphery of the chassis, an adjusting structure is arranged on the upper surface of the chassis, the adjusting structure comprises a plurality of supporting frames, the supporting frames are fixedly connected with the chassis, every two supporting frames form a group, mounting grooves are formed in the sides, close to each other, of the supporting frames in the same group, and the supporting frames are fixedly connected with the chassis. Supporting rods are slidably connected to the inner walls of the mounting grooves in the same group, limiting rods are inserted in the positions, corresponding to the mounting grooves, of the surfaces of the supporting frames in the same group in a threaded mode, and a plurality of adjusting pipes are connected to the arc surface of one supporting rod in a threaded mode. The steel pipe positioning device has the advantages that the distance between every two adjacent positioning plates can be adjusted, steel pipes with various diameters can be limited, the supporting rods and the supporting frames can be disassembled and assembled conveniently, adjusting flexibility is high, and adaptability is high.

This utility model discloses a food ingredient delivery and preservation device for the catering industry, including a base plate, a preservation box, and a disassembly assembly. The preservation box is fixedly connected to the top of the base plate, and a cabinet door is rotatably connected to the front of the preservation box. A rack is fixedly connected inside the preservation box, and a sliding box is slidably connected to the rack. A lever is rotatably connected inside the sliding box, and a movable plate is slidably connected inside the lever. By levering the lever, the movable plate slides along the rack, causing the rotating plate to deflect. The rotating plate drives an eccentric block to press against a set of ratchet blocks, which, with the help of a spring, disengage from the ratchet. At this time, the movable sliding box can be moved, and the double-headed gears in its two end connecting seats roll on the cabinet door, driving the ratchet to rotate. After adjusting to a suitable position, the lever is moved back to the middle, and the two sets of ratchet blocks, pushed by the spring, re-lock the ratchet, fixing the position. This design can be flexibly adjusted according to the size of the storage box, improving the device's adjustability and effectively increasing space utilization.

The invention belongs to the technical field of teaching display, and particularly discloses an orthopedic multi-finger teaching display device which comprises a mobile control box, an operation display device, a multi-axis operation arm, a follow-up video recorder and a vertical display, a frame arm is vertically installed above the mobile control box, and a drawer table is fixedly installed above the outer portion of the frame arm. According to the multi-axis bone and finger model comprehensive demonstration device, through cooperative work of the multi-axis arm and the adjustable video recording unit, multi-angle and high-multiple clear presentation of overall and local details of a bone and finger model is achieved; magnified images can be transmitted to the vertical display for students in the back row to observe; meanwhile, multi-degree-of-freedom adjustment and folding storage of the video unit are realized through the driving piece and the telescopic piece, so that the space adaptability is greatly improved; the structure of the quick-release rotating piece enables the close-up lens to be convenient to disassemble and assemble, and the teaching efficiency and the operation flexibility are remarkably improved.

The utility model relates to vehicle-mounted support technical field especially a kind of vehicle-mounted magnetic attraction support for being inserted in the jack of the intelligent seat backrest of new energy automobile, including the combination section inserted in jack, adjustable length's lengthening adjusting section is inserted in combination section, and the one end of lengthening adjusting section is articulated with suction cup support;Combination section is equipped with the pull-out clamping hook of cooperation with jack, and the limiting clamping hook of the limiting hole cooperation of the adjusting part of lengthening adjusting section is equipped with the limiting hole of combination section, and the gear hole of adjusting part both sides is with the elastic clamping strip of the limiting hole of combination section cooperation;The utility model realizes quick installation and disassembly, and length and angle can be flexibly adjusted, convenient operation, suitable for the installation of the intelligent seat backrest equipped with jack.

This utility model relates to the field of stage lighting technology and discloses an adjustable stage lighting rig, including a support frame. A top block is fixedly connected to the top of the support frame, and a fixing ring is installed in the middle of the support frame. Top rods and bottom rods are fixedly connected to the top block and the fixing ring on both sides, respectively. A top groove is opened through the middle of each top rod. A receiving groove is opened in the middle of the top block. A rotating rod is rotatably connected to the inner wall of the receiving groove, penetrating to the inner wall of the two top grooves. A take-up roller is fixedly connected to the wall of each rotating rod in the top groove. An anti-glare curtain is wound in the groove of the take-up roller. Positive soft magnetic blocks are provided on the two outer walls of the anti-glare curtain near the lower end. A bottom groove is opened through the inside of each bottom rod. A bottom negative magnetic block and a top negative magnetic block are fixedly connected to the two inner side walls of the bottom groove and the top groove, respectively. This utility model can flexibly switch between lighting and anti-glare modes according to the scene, improving the flexibility and ease of use of stage lighting adjustment.

The utility model discloses a jaw crusher capable of quickly adjusting a discharge port, which comprises a crusher body and a fixed jaw plate, the fixed jaw plate is clamped in the inner box wall of the crusher body, the jaw crusher further comprises a plate feeding mechanism, the plate feeding mechanism comprises an inner blocking guide seat, a main guide cylinder, a U-shaped outer fixed seat, an outer guide pipe, a hydraulic cylinder, a pushed cylinder, a bridge plate, an abutting cylinder and a fixed pin, a guide groove is formed in the position, on one side of the fixed jaw plate, of the surface of the crusher body in a four-point mode, an inner blocking guide base is clamped in the guide groove, a plate conveying mechanism is arranged between the crusher body and the fixed jaw plate, and the plate conveying mechanism can rapidly push the fixed jaw plate to be close to or away from the movable jaw plate through a conveying and pushing structure composed of a hydraulic cylinder, a pushed cylinder, a bridge plate, an abutting and conveying cylinder and the like. The size of the discharge port can be rapidly adjusted, the discharge port can be adjusted to a plurality of preset positions according to needs, and the adjustment efficiency and flexibility of the discharge port of the jaw crusher are improved.

The utility model discloses a camera mounting seat capable of being adjusted in multiple directions for a cab, which comprises a connecting plate, a rotating shaft, a steering sleeve, a side tilting frame, a forward tilting frame and the like, the flexible adjustment of a camera in multiple directions is realized, and a permanent magnet is arranged on the connecting plate and is used for enhancing the fixing stability of the mounting seat; the rotating shaft is matched with the steering sleeve, so that the mounting seat can horizontally rotate; the fine adjustment of the camera in the vertical direction and within a small range is realized through the design of the side tilting frame and the forward tilting frame; the camera mounting seat is simple in structure, convenient to operate, stable and reliable, shooting requirements under different driving scenes are met, and driving safety and comfort are improved.

This utility model relates to the technical field of breast pads, and in particular to a breast pad with an adjustable connection length, comprising: a first breast pad, a second breast pad, a first buckle, and a second buckle, the first buckle and the second buckle being detachably connected to the first breast pad and the second breast pad, respectively; a connecting strap, one end of which is fixedly connected to the first buckle, the connecting strap having two opposing sides, one side being a skin-contact surface and the other side being a connecting surface, the end of the connecting surface being provided with Velcro, the Velcro being used for detachable adhesion to any position on the connecting surface, and the inner diameter of the second buckle being adapted to the width of the connecting strap and used for threading the connecting strap. This application solves the problems of traditional buckles being unable to adjust, low adjustment precision of multi-position buckles, and cumbersome operation by using Velcro to adhere to any position on the connecting surface of the connecting strap, thus achieving flexible and precise adjustment of the distance between the two breast pads, improving adjustment flexibility and ease of use.

The invention relates to a component mounting assembly in a power transformation cabinet and the power transformation cabinet, the mounting assembly comprises a sliding frame, an insertion frame, a rotating plate, a mounting frame, a sliding block and a connecting rod, the sliding frame is fixed in the power transformation cabinet, the insertion frame is slidably mounted on the sliding frame, the rotating plate is rotatably mounted on the insertion frame, the mounting frame is fixed on the rotating plate, and the sliding block is slidably mounted on the insertion frame. And the other end of the connecting rod is fixedly connected with the rotating plate. Compared with the prior art, the power transformation cabinet has a sliding and rotating multi-stage movement structure, the mounting positions of components in the power transformation cabinet can be flexibly adjusted, the overall position can be adjusted through sliding along the sliding frame, the components can be overturned through the rotating plate, the adjusting flexibility is high, and the practicability is high. The problem that the maintenance and wiring operation space of a traditional fixed installation mode is limited is solved, installation of large components can be met, and meanwhile the stability of rotation adjustment is guaranteed through a connecting rod linkage structure.

The utility model discloses a cloth cutting device for jacket production relates to cloth cutting technical field, including cutting device main part, the inside of cutting device main part is installed with cloth conveying assembly, and cloth conveying assembly is used for conveying the cloth for jacket production, cloth conveying assembly includes the fixed plate of installation in the inside of cutting device main part, the inside of fixed plate is connected with cutting table, and the surface of mutual approach of fixed plate is connected with the support cylinder, and two groups of support cylinder are located cutting table's both sides respectively, the inside of cutting device main part is provided with servo motor three and servo motor four, and the output of servo motor three and servo motor four is connected with conveying cylinder no.

This invention relates to the field of rebar cage fabrication technology, specifically disclosing a rebar cage fabrication device, a welding head control method, system, and welding process. The welding process of this invention enables automatic welding of rebar cages. The rebar cage fabrication device includes a base, a plurality of welding heads mounted on the base, and a linear guide rail on the base, with each welding head slidably mounted on the linear guide rail. It also includes a motor for driving the welding heads and a control unit for driving the motor, with each motor corresponding to one welding head. This invention, by sliding the welding heads on the linear guide rail, enables automatic control of the welding head movement using a motor, solving the problems of inconvenience and poor accuracy caused by manual adjustment of the welding heads in existing methods.

The utility model discloses a kind of quick clamping devices for cloth doll doll multi-component automatic splicing, it is related to cloth doll doll quick clamping technical field, including two mirror image settings support plate, center plate is equipped between support plate opposite face, first connecting plate is mirror image installed in center plate top surface both ends, guiding rod is symmetrically installed in first connecting plate top surface both sides, guiding rod is sleeved with mounting plate, and multiple mounting holes are symmetrically opened in mounting plate top surface both ends;The utility model is cooperated with the cooperation of second electric push rod and push plate, slider, second sliding slot, the position of suction cup is conveniently adjusted, and the adaptability to different sizes, shape components is improved;Again through the cooperation of first electric push rod and T-shaped plate, first rack, first gear, the relative position of support plate and center plate is conveniently adjusted;Finally solve the problem that existing device takes suction cup position fixed and cannot be adjusted, improve the efficiency and accuracy of cloth doll doll multi-component automatic splicing.

An electrodeless trigger type zero-degree emitting metal square shell laser maintaining wide-spectrum light source relates to the technical field of light source equipment and comprises a metal lamp shell, an electrodeless trigger unit, a zero-degree emitting unit, a light beam adjusting unit and a heat dissipation temperature control unit. The electrodeless trigger unit comprises a trigger integrated lamp shell, an electrodeless trigger lamp chamber is fixed to the longitudinal inner wall of the trigger integrated lamp shell, a spherical trigger inner cavity is formed in the electrodeless trigger lamp chamber, and the trigger inner cavity is filled with xenon. A continuous laser is fixed to the transverse outer wall of the trigger integrated lamp shell, a horizontal mounting plate is welded to the inner wall of the middle section of the trigger integrated lamp shell, and a pulse laser is fixed to the horizontal mounting plate. The problems that a traditional wide-spectrum light source is poor in trigger stability, short in service life, inconvenient in spectrum adjustment, low in precision, insufficient in light beam separation and emission precision, uneven in heat dissipation, low in modularization degree, difficult to maintain, large in light path loss, poor in light beam quality and the like are solved.

The utility model relates to the technical field of medical equipment, and discloses a drainage device for treatment of neurological patients, which comprises a fixing frame, an adjustable clamping component is arranged on one side of the fixing frame, an adjusting plate is arranged in the fixing frame in a sliding manner, a height adjusting component is arranged between the adjusting plate and the fixing frame, and the height adjusting component is arranged on the fixing frame. The adjustable clamping assembly comprises a first rotating shaft and two locking frames, the first rotating shaft is rotationally connected to the fixing frame, two fixing plates are fixedly connected to one end of the first rotating shaft, a second rotating shaft is rotationally connected between the two fixing plates, and the outer wall of the second rotating shaft is fixedly sleeved with a clamping frame. According to the adjustable drainage bag, the adjustable clamping assembly is arranged, so that the device can adapt to more kinds of installation environments, the applicability is improved, the height of the drainage bag can be easily adjusted through the height adjusting assembly, the drainage bag can adapt to the head position of a patient, and it is guaranteed that liquid can flow out smoothly.

A horizontal adjustment device for the main beam assembly support frame of a bridge erecting machine is disclosed. It includes a base, column, tray, jack, level, safety limit block, and safety pin. The horizontal adjustment device for the main beam assembly support frame of a bridge erecting machine provided by this utility model has the following advantages: 1) Lightweight structure; 2) Low cost and easy to manufacture; 3) Simple and convenient operation, reducing human error; 4) Compatible with main beams of various sizes; 5) High expandability, convenient operation, and high safety; 6) Enables rapid and precise adjustment of the support frame's horizontal state, greatly improving the assembly accuracy and efficiency of the main beam of the bridge erecting machine; 7) Improves the adjustment accuracy and flexibility of the adjustment device; 8) Small footprint, facilitating site layout and operation; 9) Enhances installation efficiency and safety, demonstrating significant technological advancement and practicality.

The utility model relates to a high-adaptability arc-preventing face screen which comprises an arc face screen body, a face screen main support and a connecting assembly. The arc-preventing face screen is fixedly installed on the face screen main support and connected with the safety helmet through the face screen main support. The connecting assembly is arranged on the face screen main support, and the face screen main support is fixedly connected with the installation helmet through the connecting assembly. After the connection is completed, the support can rotate around the specific part of the safety helmet through the connecting assembly, so that a user can flexibly adjust the angle of the arc prevention face screen according to actual operation requirements. Through the design of the connecting assembly, the anti-arc face screen can adapt to safety helmets with different sizes, shapes and connecting modes in the market, and the problem that a traditional anti-arc face screen can adapt to different helmets only by replacing different connecting structures is solved.

The application discloses a hot oil abrasion test equipment for a rolling friction sleeve of an electronic disconnector, which comprises a tool seat, a tool frame and a main shaft shafting, the friction sleeve is detachably connected to the main shaft shafting, an oil bath heating box for placing the friction sleeve is arranged on the tool seat, a driving piece for driving the main shaft shafting to rotate is arranged on the tool frame, a secondary friction assembly for cooperating with the friction sleeve is arranged on the oil bath heating box, a loading structure for providing a controllable loading force to the secondary friction assembly and accurately detecting the micro-abrasion displacement of the secondary friction assembly is arranged on the tool frame, and an eccentric posture adjusting structure for adjusting the relative position and angle of the secondary friction assembly is arranged on the oil bath heating box. The application solves the problem that the prior art lacks a special test equipment for the rolling friction sleeve of the electronic disconnector of a new energy vehicle, so that the high-temperature hot oil lubrication, rotating operation, controllable load and eccentric posture multi-parameter coupling working conditions of the real work cannot be reproduced synchronously.