66results about How to "Reduce tilt" patented technology

The invention discloses an intelligent auxiliary learning device for strengthening English literature digital intelligent course learning, and relates to the technical field of intelligent auxiliary learning devices.The intelligent auxiliary learning device comprises a base, a fire prevention mechanism is arranged above the base, an anti-splashing mechanism is arranged above the base, and the fire prevention mechanism can prevent internal circuit fire when a display screen topples and collides; the anti-splashing mechanism comprises a buffer unit, the buffer unit is arranged above the base, the buffer unit can reduce impact force borne by the display screen when the display screen falls onto the ground, the anti-splashing mechanism further comprises a height reducing mechanism, the height reducing mechanism is arranged above the base, and the height reducing mechanism can reduce the overall height of the display screen when the display screen topples over. According to the intelligent auxiliary learning device for strengthening learning of the English literature digital intelligent course, by arranging a fireproof mechanism, a buffer unit and a height reduction mechanism, the problem that the device is prone to toppling under the influence of the gravity center and external force when the device is used can be effectively avoided.

This utility model relates to the field of surveying benchmark technology, and more particularly to an adjustable multi-purpose urban planning surveying benchmark, comprising a pole; a mounting disk is fixedly connected to the pole, and a drive assembly is fixedly connected to the mounting disk; the output end of the drive assembly is driven by a lead screw and a threaded rod, and the drive assembly is used to drive the lead screw and threaded rod to rotate; the lead screw and threaded rod are rotatably connected to the mounting disk; a support assembly is connected to the lead screw; and a first telescopic sleeve is threadedly connected to the threaded rod. This utility model achieves structural stability of the surveying benchmark through the support assembly, reducing benchmark swaying or tilting, ensuring data accuracy, reducing the risk of tipping over, and ensuring personnel safety. Utilizing the drive assembly, rotating assembly, and multiple transmission components, it enables flexible adjustment of the height and angle of the measuring device, quickly adapting to different measurement needs, avoiding errors caused by equipment limitations, and rapidly completing height and angle adjustments, shortening on-site operation time.

This utility model discloses a cell culture device with a protective structure, including a base. A protective component is provided at the top of the base. A placement platform is fixedly installed at the top of the base and inside the protective component. Placement grooves are evenly distributed around the top of the placement platform. A rotating disk is rotatably connected inside the placement grooves. An arc-shaped groove is evenly distributed around the top of the rotating disk, and limiting rods for limiting the cell culture vessels are evenly distributed at the top of the rotating disk. A connecting shaft is provided at the bottom of the limiting rods. In this utility model, a rotating motor drives gear transmission to rotate the rotating disk. The movement of the limiting rods is controlled by the arc-shaped grooves and the guide structure. Multiple sets of limiting rods can be simultaneously converged or dispersed towards the center, which can efficiently adapt to cell culture vessels of different sizes. At the same time, it can automatically limit and clamp the vessels during placement, effectively reducing the displacement and tilting of the vessels when impacted, and enhancing the stability of glass vessels stored in the placement groove.

The utility model discloses a kind of magic tape connecting structure's magnetic attraction foldable door curtain with, involve foldable door curtain field, including a kind of magic tape connecting structure's magnetic attraction foldable door curtain, including slide rail, the bottom of the slide rail is provided with door curtain one, door curtain two, the middle part of the door curtain one, door curtain two is evenly provided with crease, the both sides of the door curtain one, door curtain two are fixedly installed with magnetic stripe, the top of the door curtain one, door curtain two is provided with iron plate;The utility model is by being provided with pulley in the both sides of moving frame, and the total number of pulley is four, compared with the design of traditional moving frame, only equipped with two pulleys, when this four-pulley configuration moving frame slides inside slide rail, can be through multiple fulcrums evenly dispersed the weight of moving frame itself and load, effectively reduce the inclination or jam problem caused by one side excessive stress, simultaneously increase the contact stability of moving frame and slide rail, so that door curtain is more stable, smooth in sliding process.

The utility model relates to the badminton technical field discloses a badminton conveying mechanism, including two supports, the inner wall of every support all is fixedly connected with the ball bearing, the inner ring of every two corresponding ball bearings all is fixedly connected with the rolling roller in common, the outer surface of six rolling rollers is wound with the conveyer belt in common, the top fixed connection of two supports has the airflow auxiliary unit, the device is contacted through the plurality of rubber strips of conveyer belt outer surface and badminton ball support, increases friction, reduces the rolling and inclination of badminton in the conveying process, the airflow of air pump output enters the connecting pipe through the exhaust pipe, the flow pipe, the branch pipe, again through the gas collection shell from the jet head spouts, through the airflow hole and be used to badminton, every two V type placement's righting frame cooperation airflow carries out the restriction and adjustment to badminton posture, works through controller coordination stepping motor, air pump, pressure reducing valve and balance valve, accurate control conveying speed and airflow intensity, makes badminton keep stable posture on the conveyer belt.

The application discloses an axle head and axle housing body assembly press-fitting tool, which comprises a right axle head point fixing tool and a left axle head point fixing tool, the right axle head point fixing tool comprises a first bottom plate, a first V-shaped block rotatably installed on the first bottom plate, a first front adjusting block and a first rear adjusting block installed on the first V-shaped block; the left axle head point fixing tool comprises a second bottom plate, a second V-shaped block rotatably installed on the second bottom plate, a second front adjusting block and a second rear adjusting block installed on the second V-shaped block; an angle adjusting cylinder is connected to the first V-shaped block, and the angle adjusting cylinder is suitable for adjusting the angle of the first V-shaped block relative to the first bottom plate. The V-shaped block is matched with the front and rear staggered adjusting blocks (the first front adjusting block, the first rear adjusting block, the second front adjusting block and the second rear adjusting block), so that the axle head can be kept stable during the press-fitting process, the deviation or inclination is reduced, and the assembly coaxial degree and precision are improved.

The utility model discloses a metal plate calendaring device which comprises two sets of auxiliary devices and a plurality of sets of calendaring devices, the auxiliary devices on the left side and the right side are arranged in a mirror image mode, the calendaring devices on the upper side and the lower side are arranged in a mirror image mode, each auxiliary device comprises a first U-shaped plate, and the front side wall and the rear side wall of each first U-shaped plate are each connected with two sets of first air cylinders. The metal plate calendering device comprises two sets of first air cylinders, the telescopic ends of the two sets of first air cylinders are connected with second U-shaped plates, the opposite sides of the two sets of second U-shaped plates are evenly connected with multiple sets of first rotating rods, and the rear sides of the multiple sets of first rotating rods are connected with chain belts. Furthermore, the possibility that the whole metal plate inclines is reduced, the metal plate is more stable in the reciprocating calendaring process, the using stability of the device is improved, auxiliary limiting can be conducted on the metal plate by arranging a second auxiliary plate, and the using stability of the device is improved.

The utility model discloses a folding warehouse cage, including left side plate, right side plate, front side plate, back side plate and bottom plate, four side plates and bottom plate all are equipped with support pole and base pole, the both sides edge of left side plate, right side plate is equipped with fixed hook and hooks back side plate, and the back edge and the front edge of bottom plate are hinged through spring steel wire and back side plate, front side plate respectively, and front side plate, back side plate all are by upper side plate and lower side plate and are folded to spring steel wire hinge, and the both sides of front side plate are equipped with bolt mechanism, and the bolt rod, bolt handle and bolt hole are locked fast, and the bottom of bottom plate is equipped with brake universal wheel and fixed step plate in four corners, and cross -over reinforcing rod promotes the bearing, and the bottom of bottom plate is equipped with stacking frame below four corners, and the bottom of stacking frame is equipped with U type recess. Make single person complete folding / unfolding, and empty cage volume reduces, and fixed hook adds bolt double locking, and transportation zero is loose, and reinforcing rod and universal wheel brake linkage slope do not slip, and U type recess is accurate positioning, and four layer stack whole body tilts and reduces, and the utilization rate of warehouse improves.

The utility model relates to the technical field of power transmission line foundation protection, in particular to outer protection for a 110kV line foundation, which comprises a reinforcement cage and a cloth bag pile, the cloth bag pile sleeves the outer surface of the reinforcement cage, a plurality of fixing mechanisms are arranged on the inner side of the top of the reinforcement cage along the circumferential direction of the reinforcement cage, and a plurality of fixing holes are correspondingly formed in the top of the cloth bag pile. The tops of the cloth bag piles are bent towards the interior of the reinforcement cage, and the fixing holes penetrate through the fixing mechanisms. A plurality of first transverse bars and second transverse bars are arranged in the reinforcement cage in the axial direction of the reinforcement cage in a staggered mode, circular rings are arranged at the staggered points and can be contracted, vertical rods are arranged in the reinforcement cage in the axial direction, and the vertical rods sequentially penetrate through the circular rings to directly abut against the bottom of the reinforcement cage. Protruding blocks are fixedly arranged at the ends, away from the circular ring, of the first transverse ribs and the second transverse ribs, protruding bumps are correspondingly arranged on the cloth bag piles, and the protruding blocks can penetrate into the bumps. The cloth bag pile has the advantages that inclination of the pile body is reduced, and the cloth bag pile is not prone to deformation or falling.

The invention relates to the technical field of infrared detection, in particular to a polarization infrared chip, a preparation method of the polarization infrared chip and a polarization infrared detector, and the polarization infrared chip comprises a reading circuit, an infrared sensitive layer, an infrared substrate and a metasurface polarization array, the reading circuit is arranged below the infrared sensitive layer, and the infrared sensitive layer is connected with the reading circuit through flip chip bonding; the super-surface polarization array is formed by etching the back surface of the infrared substrate. The infrared substrate is directly used as the base of the metasurface polarization array, so that the focal length of the formed metasurface polarization array is accurate and controllable, the vertical integration precision of the polarization infrared chip can be effectively improved, inclination and high integration errors in the heterogeneous integration process are reduced, and meanwhile diversified design of the metasurface polarization array is facilitated.

The utility model discloses a special elevator for a duplex building, which relates to the technical field of elevators and comprises a mounting frame, bearing seats are symmetrically and fixedly connected to one side in the mounting frame, a first screw rod is rotatably connected between the bearing seats, a second screw rod is symmetrically and rotatably connected between the bearing seats, and lifting seats are sleeved on the outer sides of the first screw rod and the second screw rod. A lift car is fixedly connected to one side of the lifting seat through a connecting plate, a driving motor is mounted at the top of the mounting frame, the output end of the driving motor extends into the mounting frame and is fixedly connected with a first connecting column, and the other end of the first connecting column is fixedly connected with the first screw. By adopting the structure, the lift car can be stressed more uniformly in the lifting process, shaking and inclination caused by single-side stress are reduced, the bearing capacity of the whole driving system is greatly improved, the load borne by each screw rod is relatively small, the pressure of a single screw rod is reduced, and the risk that the screw rod is damaged is reduced.

The utility model provides a lifting chair which comprises a supporting mechanism, a backrest mechanism, a stool mechanism and a lifting mechanism, and the supporting mechanism comprises a base assembly and a supporting assembly; the backrest mechanism is slidably connected with the supporting assembly, and the stool mechanism is rotatably connected with the bottom of the backrest mechanism; the lifting mechanism comprises a power assembly and two transmission assemblies embedded in the backrest mechanism, the two transmission assemblies are arranged on the two sides of the power assembly respectively and matched with the supporting assembly, and the power assembly is used for driving the two transmission assemblies to synchronously drive the backrest mechanism to slide in the length direction of the supporting assembly. The lifting mechanism of the lifting chair is embedded in the backrest mechanism, the power assembly and the transmission assemblies are hidden, direct contact between a user and the power assembly and the transmission assemblies is avoided, the probability of occurrence of safety accidents such as clamping injury is greatly reduced, more balanced power output can be provided through the design of the double transmission assemblies, and the safety of the user is improved. And the backrest mechanism is kept stable in the lifting process.

The utility model relates to the technical field of compressor production, and discloses a tool clamp for machining a compressor shell, which comprises a mounting table, a support is fixedly mounted on the upper surface of the mounting table, an electric push rod is fixedly mounted on the upper surface of the support, and the electric push rod is fixedly mounted on the lower surface of the mounting table. A clamping plate is fixedly mounted at the movable end of the electric push rod, and a limiting mechanism is arranged on the upper surface of the mounting table. According to the tool clamp for machining the compressor shell, the shell is pushed into a designated position, under guiding of a roller on a vertical plate, movement of the shell is facilitated, the two acting sides of the shell are guided in cooperation with a reset spring and an auxiliary block, the shell is centered and positioned, movement of the shell is facilitated in cooperation with arc-shaped arrangement of the auxiliary block and a rolling shaft arranged on the surface, and the working efficiency is improved. And then an electric push rod moves a clamping plate to fix the machine shell, so that the fixing and clamping stability of the machine shell is guaranteed, and the machining accuracy is guaranteed.

The application discloses a medicine packaging and boxing device for production, and relates to the technical field of packaging and boxing devices, which comprises a machine body, a medicine conveying mechanism arranged on the machine body, a boxing station corresponding to a discharging end of the medicine conveying mechanism, a paper box roller conveying table located at a discharging side of the boxing station, and a receiving mechanism arranged in connection with the paper box roller conveying table, wherein a medicine box boxing and pressing mechanism and a box pushing mechanism are arranged at the boxing station; the medicine box boxing and pressing mechanism is arranged at the boxing station, and cooperation between a driving element, a positioning frame, a sliding pressing frame, an upper positioning plate and a bottom limiting sliding groove is utilized to form upper pressing and lower guiding and limiting of the paper box, so that the paper box can maintain a relatively stable position state during continuous medicine box entering, and deviation of the paper box caused by local stress change is reduced, thereby facilitating the medicine box to be loaded into the paper box in a predetermined posture.

The utility model relates to the technical field of power batteries, and provides a supporting piece, a cylindrical battery and a battery pack, the supporting piece is inserted into a through hole in the middle of a roll core of the cylindrical battery, one end of the supporting piece is provided with a guide surface, the guide surface is a curved surface, and the radial cross sectional area of the guide surface is gradually reduced along the direction of inserting the supporting piece into the through hole. According to the supporting piece, the guide head with the curved guide surface is arranged at one end of the supporting piece, and the radial area of the guide surface is gradually reduced in the direction of being inserted into the through hole, so that the supporting piece is more easily inserted into the through hole, the assembly efficiency can be improved, the supporting piece is prevented from damaging a roll core in the insertion process, and the service life of the roll core is prolonged. Therefore, the structural integrity and the performance stability of the roll core can be protected, and the use performance of the cylindrical battery can be ensured.

The utility model discloses a roadbed subsidence repairing device, and relates to the technical field of road repairing. The device comprises a base plate, the bottom of the base plate is in sliding fit with a pressing base plate, and a groove is formed in the bottom of the pressing base plate; the first annular plate is fixedly matched with the peripheral side of the pressing base plate, a second annular plate is rotatably matched with the outer side wall of the first annular plate, two fixing columns are fixedly matched with the outer side wall of the second annular plate, and sliding rods are elastically and slidably matched with the interiors of the fixing columns. Through the sliding plate, the scraping plate rotates at the bottom of the pressing base plate under the action of the sliding plate, raw materials attached to the bottom of the pressing base plate are cleaned through one side of the scraping plate, the problem that repairing raw materials are attached to the bottom of the pressing base plate is solved, and the punching level of the bottom of the pressing base plate on the raw materials at the repairing position is improved.

This application provides a leak-proof mother-daughter bag for pathological specimens, comprising a bag body and a sealing strip. The bag body is formed by heat-pressing an outer membrane layer, a first membrane layer, a second membrane layer, and a bottom membrane layer along the edges, with the open side serving as the bag opening. The sealing strip is located at the bag opening. The bag body includes a mother bag and a daughter bag. The mother bag is used to store the specimen soaking solution, and the daughter bag is used to hold the pathological specimen. A first pressure-contact sealing strip is provided between the mother bag and the daughter bag, and a second pressure-contact sealing strip is provided inside the daughter bag. This application forms a two-stage leak-proof barrier by setting up double pressure-contact sealing strips, which can effectively ensure that it is not easy to open and leak during transportation vibration or accidental squeezing, significantly reducing the risk of specimen soaking solution leakage. In use, the specimen is simply placed into the daughter bag and then the mother bag is squeezed to complete the proper storage of the specimen in a sealed environment. Throughout the process, the operator is completely isolated from the soaking solution, effectively ensuring the safety of the operator.

The utility model discloses a reinforced communication iron tower, which relates to the technical field of communication iron towers and comprises a cement pier, threaded columns are symmetrically poured at the upper end of the cement pier close to chamfers, a mounting seat is mounted at the upper end of the cement pier, through holes are symmetrically formed at the upper end of the mounting seat close to the chamfers, and the threaded columns penetrate through the through holes and are in threaded connection with nuts. An iron tower body is welded to the upper end of the mounting base, assembling blocks are symmetrically and fixedly connected to the upper end of the mounting base close to the chamfers, and limiting assemblies are mounted in the assembling blocks. By adopting the structure, the nut can be ensured not to move or loosen randomly under the action of external force, so that the overall stability of the iron tower is kept, the iron tower is prevented from inclining or collapsing, the nut can be effectively prevented from falling off or being damaged due to loosening, the risk of inclining or collapsing of the iron tower is reduced, and the service life of the iron tower is prolonged. And the safety of the surrounding environment and personnel is protected.

The application discloses a sugarcane seed stalk automatic counting and bagging device, and relates to the technical field of sugarcane seed stalk automatic packing, which solves the technical problems of low efficiency, easy error, complex bagging equipment and inability to continuously work in the process of bagging of the existing sugarcane seed stalk production line. The automatic counting and bagging device comprises a belt conveying device, a brush, a counter, a bagging device and a controller, wherein the bagging device is provided with a first bagging device and a second bagging device, both of which are slidingly installed on a slide rail perpendicular to the main conveying direction and are controlled to switch by a displacement driving device. When the counter detects that the current bagging quantity reaches a preset value, the controller automatically triggers the displacement action to move the full bagging device out and simultaneously moves the empty bagging device into a material receiving position, so that the whole bag changing process does not need to stop and continuous operation is realized. Meanwhile, a directional arrangement device and a roller brush are matched to prevent the bending and overlapping of the sugarcane seed stalks and to improve the packing accuracy.

The utility model relates to a diesel engine with protective structure belongs to diesel engine technical field. This diesel engine with protective structure, include: the connecting machine shell, the upper end of connecting machine shell is connected with the oil tank, positioning mechanism, positioning mechanism installs in the lower extreme of connecting machine shell, wherein, the positioning mechanism includes two connecting components that connect in the lower extreme of connecting machine shell, the lower extreme of connecting component is provided with positioning assembly, the lower extreme of connecting component extends to the inside of positioning assembly, the connecting component in the device can be to the lower extreme of connecting machine shell, forms good connection effect, and forms good positioning effect to connecting component through the positioning assembly that sets up, through adjusting the position of connecting component in positioning assembly, reduces the inclination condition that connecting machine shell produced in the conveying process, reduces the influence to diesel engine in the conveying process, guarantees the use effect after the conveying of diesel engine.

The utility model discloses an electric vehicle, and relates to the technical field of electric vehicles. The electric vehicle comprises a frame, a front wheel and a rear wheel, the front wheel and the rear wheel are arranged on the frame, the frame is provided with a frame structure for containing a storage battery, the front end of the frame is rotationally connected with a front cantilever, the other end of the front cantilever is connected with the front wheel, the front cantilever is provided with a connecting part located between the front wheel and the frame, and a front shock absorber is connected between the connecting part and the frame. The frame and the rear wheel are rotationally connected through a rear cantilever, and a rear shock absorber is arranged between the rear cantilever and the frame. The stability and controllability of the electric vehicle under the emergency braking condition can be optimized.

The application provides a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. The battery monomer comprises a first shell wall, a pole and an insulating sealing structure. The first shell wall is formed with a mounting hole. The pole comprises a penetrating part penetrating the mounting hole and a first extension part connected with the penetrating part and extending in a direction away from the central axis of the mounting hole. The first extension part extends to the outside of the outer surface of the first shell wall or the inside of the inner surface of the first shell wall. The insulating sealing structure is matched between the pole and the first shell wall. The first extension part comprises a first segment and a second segment arranged in sequence in the direction away from the central axis of the mounting hole. The second segment is more tightly pressed against the insulating sealing structure than the first segment. The battery monomer is beneficial to improving the sealing reliability of the insulating sealing structure and the reliability of the battery monomer.

This utility model discloses a cryopreservation tube for mesenchymal stem cells, relating to the field of mesenchymal stem cell technology. The utility model includes a tube body with a cap at its upper opening. A stirring blade is rotatably fitted inside the tube body. An annular plate is rotatably fitted at the bottom of the tube body. One end of the annular plate is threaded with an annular column. A suction cup is fixedly fitted at one end of the annular column. A guide rod is fixedly fitted at one end of the suction cup. One end of the guide rod is movably fitted at the bottom of the tube body. This utility model, through the guide rod, guides the tube body via the suction cup, reducing the problem of lateral wobbling when the tube body is fixed on a tabletop, making the process of fixing the tube body on a tabletop more convenient and improving the stability of the tube body when placed on a tabletop.

The balanced oil tank pressure solenoid valve of the present application discloses a solenoid valve, which comprises an upper valve body, a middle valve body and a lower valve body, the inner cavity of the upper valve body is communicated with the inner cavity of the middle valve body, the communication part forms a sealing surface through a sealing assembly, the bottom end of the upper valve body is provided with a flange in contact with the sealing surface to form a first channel; the inner cavity of the middle valve body is communicated with the inner cavity of the lower valve body to form a cavity, a solenoid valve is fixed in the cavity, the solenoid valve is fixedly connected with the sealing assembly for driving the sealing assembly away from the upper valve body to open the first channel; the middle part of the sealing assembly is provided with a sealing guide rod, the sealing guide rod comprises a sealing joint, a guide rod and a small diameter spring, the bottom end of the sealing joint is provided with a flange in contact with the sealing surface to form a second channel, the guide rod is connected with the solenoid valve through a locking part after passing through a through hole, the locking part compresses the small diameter spring to make the second channel in a sealed state. The sealing mode is improved, and the overall sealing performance is improved.

The utility model belongs to the technical field of pipe jacking construction engineering, and particularly relates to a pipe jacking receiving well outlet reinforcing structure which comprises a supporting plate. A first supporting frame is fixedly connected to the side wall of the top end of the supporting plate. A steel pipe is fixedly connected to the middle of the first supporting frame. A round hole is formed in the middle of the steel pipe; a plurality of groups of first electric push rods are hinged to the side wall of the circular hole; the first electric push rods are uniformly distributed on the side wall of the circular hole; an inclined plate is hinged to the top end of the first electric push rod; the bottom end of the inclined plate is hinged to the side wall of the round hole. Guide openings are formed in the top ends of the inclined plates; after the supporting plate and the steel pipe are integrally fixed, a stable reinforcing frame is formed in cooperation with sealing treatment on the side of the first supporting frame, in the pushing process of the jacking pipe, the sealing effect is achieved through cooperation of the first electric push rod and the inclined plate, the impact force generated when the jacking pipe is ejected out is dispersed, and damage caused by uneven stress to the hole structure is reduced.

The utility model relates to steel beam hoisting equipment technical field, and disclose a kind of hoisting device for steel beam installation, including roof, the upper surface of the roof is fixedly connected with the lifting plate for being connected with lifting hook, the lower surface of the roof is fixedly connected with the connecting plate of inverted T shape, the both sides of the connecting plate are respectively fixedly connected with expansion plate, multiple are set apart along the extension direction of connecting plate in the expansion plate, the outside of the expansion plate is equipped with the fixed groove with opening upwards to be connected with suspension steel beam, the utility model provides a kind of hoisting device for steel beam installation, by the cooperation arrangement of roof, lifting plate, expansion plate and fixed groove, in the process of hoisting, the hoisting position of lower steel beam and expansion plate can be adjusted quickly, ensure that steel beam is in horizontal position, by the cooperation arrangement of adjusting mechanism and connecting seat, adjusting mechanism can adjust the extension length of connecting seat.

This utility model relates to the field of robotic arm technology, specifically to a double-arm, double-row, single-beam structure. It includes multiple columns arranged in a straight line, with two main beams fixedly connected to the same side of each column. Tracks are fixedly connected to the top and bottom surfaces of the main beams. A mounting plate is provided on the outer side of the main beams, and multiple roller mechanisms located on the upper and lower sides of the main beams are mounted on the inner side of the mounting plate. These roller mechanisms slide in cooperation with the tracks. A drive mechanism for driving the mounting plate to slide along the main beams is mounted on the mounting plate. A robotic arm mechanism is mounted on the outer side of the mounting plate, with a robotic arm attached to the end of the robotic arm mechanism furthest from the mounting plate. This utility model allows the two robotic arms to move horizontally along their respective main beams without interfering with each other. This enables the two robotic arms to operate independently or collaboratively, making it suitable for scenarios requiring high efficiency, large-area coverage, dual-station operation, or simultaneous operation on both sides of large workpieces.

This invention discloses a water pipe cutting device, belonging to the technical field of cutting devices. It includes a worktable, a fixing mechanism, a cutting mechanism, and a cooling mechanism. The worktable is equipped with a fixing mechanism for limiting the water pipe to be cut. The cutting mechanism is located on the worktable and used to cut the water pipe. The cooling mechanism is located on the fixing mechanism and opens and closes under the drive of the cutting mechanism to cool the cut end face of the water pipe. This application relies on a lifting box to drive a rack, gear, and bidirectional lead screw to achieve pure mechanical linkage. During cutting feed, the air collection box automatically opens to avoid the saw blade and prevent structural interference; during cutting reset, the air collection box automatically closes to surround the cut, cooperating with an air pump to complete precise cooling and chip removal. The timing of the actions precisely matches the cutting process. The all-round air cooling through an arc-shaped air blowing plate can quickly reduce the high temperature of the pipe opening, improve the cleanliness of the cut and the forming quality, eliminate the need for manual grinding and re-inspection, and significantly improve the finished product qualification rate and processing efficiency.

The application relates to the technical field of high-speed motor train bearing production, and discloses a bearing retainer mounting device, which comprises an equipment main body for producing a bearing retainer, the front end bottom side of the equipment main body is fixedly connected with a conveying belt, the top of one end of the equipment main body is fixedly connected with a regulating component, the front end of the regulating component is provided with a mounting component, the bottom of the mounting component is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with two fixed plates, the other end of the two fixed plates is fixedly connected with a buffer chamber, the bottom of the buffer chamber is fixedly connected with multiple adjusting chambers, the inside of the buffer chamber is movably connected with a first piston plate, the top of the first piston plate is fixedly connected with a first through rod, the first through rod penetrates through the buffer chamber and extends to the top outside of the buffer chamber, the bottom of the first piston plate is fixedly connected with two first elastic members, and the device has the advantages of improving the production quality of high-speed motor train bearings, facilitating user use and the like.

This utility model discloses a speaker protection device, comprising a slide plate, a speaker body, a locking assembly, a flipping assembly, a first handrail, and two second handrails. Two traveling wheels and two pulleys are fixedly connected to the underside of the slide plate. The locking assembly is used to limit and lock each of the traveling wheels. The first handrail and the two second handrails are all fixedly connected to the slide plate. The flipping assembly is disposed on the slide plate and is used to adjust the sound output direction of the speaker body. The diameter of the traveling wheel 13 is larger than the diameter of the pulley 14. This utility model aims to facilitate user operation, flexibly adjust the channel direction, and improve the usability of the product.