21results about How to "Improve lifting stability" patented technology

The application discloses a sound equipment suitable for a new energy vehicle-mounted system and relates to the technical field of vehicle-mounted sound equipment. The outer wall of the lifting frame is connected with a stabilizing frame used for promoting stable lifting of the playing frame. The lateral wall of the lifting bin is provided with a lifting sliding groove used for sliding connection with the outer wall of the stabilizing frame. The upper end of the stabilizing frame is connected with a fan-shaped outer frame. The inner ring of the fan-shaped outer frame is connected with a fan-shaped inner frame. The outer wall of the playing frame is slidingly connected with the inner wall of the lifting bin. The application has the advantages that the sound source position can be optimized synchronously with the position of the people in the vehicle and the driving and riding scene, sound field uniform coverage is ensured, the external sound pipe in the external sound hole can be flexibly stretched and contracted, the external sound pipe is stretched out to prolong the sound path when low-pitch focusing needs to be enhanced, the sound effect demand of the vehicle-mounted closed space is adapted, the outer cladding plate can quickly complete height locking and unlocking of the playing frame, the cladding locking structure of the outer cladding plate further strengthens the position stability of the playing frame, and sound effect distortion or component damage is prevented.

The utility model discloses a naphthalene water reducer neutralization reaction device capable of automatically adding alkali, and belongs to the technical field of water reducer production equipment. The naphthalene water reducer neutralization reaction device with the automatic alkali adding function comprises a reaction tank, a tank cover is installed at the top end of the reaction tank, four supporting columns are installed on the outer side of the bottom end of the reaction tank, a cooling mechanism is installed on the outer side of the reaction tank, an alkali liquor tank is arranged on one side of the reaction tank, a ring pipe is installed on the inner side of the reaction tank, and a plurality of alkali liquor spray heads are installed at the bottom end of the ring pipe. The top end of the alkali liquor tank is provided with a liquor feeding mechanism for supplying liquor to the annular pipe, the top end of the annular pipe is provided with a cleaning mechanism for cleaning the alkali liquor spray head, the reaction tank is internally provided with a mixing mechanism, the bottom end of the reaction tank is provided with a liquor outlet pipe, and one end of the liquor outlet pipe is provided with a valve. The neutralization reaction efficiency is improved, and the practical value is relatively high.

The utility model discloses a lift type weighable footstool for an intervention room, which comprises a base, a pedal cover, a guide component and a lifting system, the pedal cover is provided with a cover plate and a downward extending plate integrally, vertically and downwards extending around the periphery of the cover plate, and the cover plate is arranged above the base and movably covers the upper end of the base through the downward extending plate; the guide assembly is vertically arranged between the base and the pedal cover, and the cover plate and / or the downward extending plate are / is movably connected with the base through the guide assembly. The lifting system is provided with a driver and a lifting pedal, the driver is arranged in the base and connected with the pedal cover, and the driver is used for being connected with the lifting pedal and controlling the driver to drive the pedal cover to ascend and descend on the base in the direction of the guide assembly. Therefore, the structural design of the footrest is simplified, the production and manufacturing cost is reduced, the operation is convenient, and the use experience is better; and the guide assembly is assembled between the lower extension plate and the base, so that the strength of the assembly structure between the pedal cover and the base is improved, and the lifting stability of the pedal cover is improved.

The utility model relates to the field of wire drawing devices, in particular to a gantry type multidirectional adjusting wire drawing device which comprises a case, two groups of Y-axis adjusting modules which are vertically distributed are arranged on the side wall of the case through a chain wheel structure, the Y-axis adjusting module located on the lower layer is provided with a bearing plate, and two groups of limiting plates are arranged on the bearing plate. Each set of limiting plates is provided with a limiting air cylinder, the limiting plate on the right side is further provided with a clamping air cylinder, the output end of the clamping air cylinder is provided with an abutting plate for fixing a machined part, the Y-axis adjusting module located on the upper layer is provided with an X-axis adjusting module, and a polishing and wire drawing unit and a thread machining unit are arranged in the X-axis adjusting module. The Y-axis adjusting module comprises a lifting plate connected with the chain wheel structure; through cooperation of the Y-axis adjusting module and the X-axis adjusting module, two-dimensional accurate positioning of the polishing abrasive belt is achieved, the polishing flexibility is improved, meanwhile, a polishing wire drawing unit and a spiral thread machining unit are integrated, surface defects are effectively removed, and attractive and practical textures are added.

This invention relates to the field of distillation apparatus technology, specifically to a modular distillation apparatus suitable for the alternating production of γ-butyrolactone and δ-valerolactone. It includes a distillation column with an opening on its side wall. A sealing door is detachably installed at the opening via bolts. A lifting cylinder is installed inside the distillation column. The lifting cylinder contains tray modules, and a lifting mechanism is installed inside the distillation column. A locking mechanism is installed on the inner wall of the distillation column. By using replaceable tray modules and packing modules within the same distillation column, and cooperating with the lifting mechanism, the lifting cylinder can be smoothly raised, lowered, and its position adjusted. The locking mechanism ensures the stability of the module installation. This eliminates the need to construct multiple distillation columns separately; alternating production of GBL and DVL can be achieved simply by switching different functional modules. This solves the problems of high cost and low equipment utilization caused by the "one product, one column" approach mentioned in the background art.

A driven gear quantitative feeding device comprises a rack, a first driving motor, a transmission disc, a rotating shaft, a stacking assembly and a lifting mechanism. The first driving motor drives the rotating shaft to rotate so as to drive the transmission disc to rotate. The multiple stacking assemblies are evenly arranged in the annular direction of the transmission disc, each stacking assembly comprises a chassis, a guide shaft and a first lifting plate, the guide shafts are fixed to the chassis, and the first lifting plates are installed on the guide shafts in a sliding mode. The chassis and the driving disc are respectively provided with a group of through holes. After the stacking assembly rotates to the feeding area along with the transmission disc, the lifting part of the lifting mechanism sequentially penetrates through the through holes and jacks the first lifting plate, so that the gears located on the lifting plate are jacked one by one, and quantitative output of the driven gears is achieved. The device is compact in structure, stable in feeding and capable of achieving ordered distribution and continuous feeding of gears.

The utility model discloses a kind of steering conveying devices, it is related to conveying machinery technical field, including rack, roller type conveying mechanism is installed on the rack, lifting movable setting bogie is installed on the rack, chain belt type conveying mechanism is installed on the bogie, at least two rows of lifting transmission swing rod are arranged on the rack;The lifting transmission swing rod includes the lifting section that oscillates in pitch direction and the transmission connecting section that oscillates along arrangement direction, the free end of the lifting section is hingedly connected with the bogie, hingedly connected with linkage rod between the free end of adjacent transmission connecting section;Lifting driver is installed on the rack, and the lifting driver is used to drive each row lifting transmission swing rod synchronous action.The utility model utilizes one lifting driver to drive two rows lifting transmission swing rod synchronous action, lifting section in each lifting transmission swing rod embodies the synchronism of lifting bogie, reaches the purpose of improving lifting stability.

The utility model discloses a roll changing device of a calender, which belongs to the technical field of roll changing devices and comprises a frame body and a height adjusting mechanism, movable plates are movably embedded in the inner walls of the two sides of the frame body, a mounting frame is fixedly mounted between the outer walls of the two movable plates, and a mounting shaft is fixedly connected between the inner walls of the two sides of the mounting frame. The frame body supports the mounting frame and the arc-shaped bracket, the calender rotating roller is conveniently lifted through the arc-shaped bracket on the mounting frame, the arc-shaped bracket is rotationally mounted on the mounting frame through the mounting shaft, overturning storage of the arc-shaped bracket is facilitated, and the hydraulic cylinder conveniently drives the cross column and a surface chain wheel of the cross column to ascend and descend. Due to the fact that the two ends of the chain are connected with the installation frame and the fixing plate respectively, the installation frame can be conveniently driven to ascend and descend, the calender roller can be conveniently lifted or lowered, the movable plate slides on the inner walls of the two sides of the frame body, the lifting stability of the installation frame is improved, negative effects caused by manual roller replacement are avoided, and the roller replacement efficiency and safety of the calender are improved.

The application specifically relates to the technical field of household appliances, and particularly relates to a sweeper, which comprises a base provided with a rolling brush cavity and a battery cavity on a side close to the ground, the rolling brush cavity and the battery cavity are adjacently arranged along a first direction; a rolling brush mechanism is movably installed in the rolling brush cavity; an installation cavity is arranged on a side of the base far from the ground and between the rolling brush cavity and the battery cavity; the installation cavity is in communication with the rolling brush cavity; a driving mechanism is arranged in the installation cavity; a driving end of the driving mechanism extends into the rolling brush cavity and is connected with the rolling brush mechanism; under the driving effect of the driving mechanism, the rolling brush mechanism moves along a third direction. The driving mechanism is directly arranged in the installation cavity, the space of the base is fully utilized, the space utilization rate is improved, and the overall volume of the transmission mechanism can be reduced. The volume of the driving motor and the transmission mechanism is large, the compact layout of the sweeper in the longitudinal height can be reduced, and the thickness of the sweeper can be controlled within a certain range.

The invention discloses an ejection structure for a mobile phone support product, and relates to the technical field of mobile phone support product ejection, the ejection structure comprises a mold base and a first assembly mounted on the mold base, the cross section of the mold base is U-shaped, and the first assembly comprises an ejection transmission assembly, a mold forming assembly and a guide positioning assembly; the ejection transmission assembly comprises an ejector pin bottom plate and an ejector pin panel, the ejector pin bottom plate is in transmission connection with the ejector pin panel through a guide column, and the ejector pin panel is provided with a positioning hole used for installing the ejection execution assembly; through cooperative operation of a sliding rod, a spiral groove, a limiting body and the like in the fourth assembly, linear ejection force restored by a spring is converted into stable rotary lifting motion, the ejection speed of the inclined ejection block is further reduced through the design of a large spiral lead, the lifting stability is improved, uniform power transmission is achieved in cooperation with composite ejection motion of the inclined ejection block in the 45-degree direction, and the service life of the inclined ejection block is prolonged. And the problem of unbalanced ejection of the small bracket is thoroughly solved, and the product deformation rate is reduced to an extremely low level.

The utility model discloses a kind of ash silo board joint dredging devices, belong to ash silo maintenance equipment field.Its technical scheme is, a kind of ash silo board joint dredging device, including drilling component, the drilling component includes fixed base, the fixed base is equipped with sliding base, drilling motor is installed on the sliding base, and drill bit is installed on the output shaft of drilling motor;Still including lifting component, the lifting component includes winch, the winch is connected with wire rope, wire rope is connected with the sliding base, and wire rope can drive the sliding base upward motion along the fixed base.This device adopts straight line lifting structure, and sliding base carries drilling motor and drill bit whole up, is driven by winch, with greater stroke, can dredge deeper ash silo board joint;When sliding base drops to low position simultaneously, device overall height is lower, facilitate arrangement below ash silo discharge port, position interference is small, facilitate use operation.

The application provides a lifting protective work platform for building construction and a use method thereof, and relates to the field of building construction. The lifting protective work platform comprises a supporting base, a lifting bearing platform, a lifting driving mechanism, a foldable protective fence, a fence locking mechanism and a locking detection switch. The supporting base is provided with a lifting storage groove. The lifting bearing platform is arranged above the supporting base in a lifting manner and covers the lifting storage groove in a descending storage state. The lifting driving mechanism is used for driving the lifting bearing platform to lift. The lifting support assembly of the lifting driving mechanism can be stored in the lifting storage groove. The fence locking mechanism is used for locking the foldable protective fence in an unfolded state. When the foldable protective fence is locked in place, the locking detection switch is triggered, and the lifting driving mechanism is in a startable state. The application can consider the safety of the work enclosure and the convenience of storage, and reduce the risk of misstarting when the protective fence is not locked.

This utility model discloses a feeding mechanism for steel processing, including a support frame with a through-type top. A feeding assembly, mounted on the support frame, includes a horizontal plate fixedly connected to the inner wall of the support frame. A horizontal adjusting frame slides on the horizontal plate, and a hydraulic rod is fixedly installed at the bottom of the adjusting frame. A connecting frame is fixedly connected to the free end of the hydraulic rod, and a clamping mechanism for picking up materials is provided inside the connecting frame. This utility model belongs to the field of steel processing technology, specifically addressing the problems of poor adaptability of clamping mechanisms, their ability to handle only specific specifications of steel, cumbersome replacement and adjustment, insufficient flexibility in displacement adjustment, unreasonable design of the drive and guide structure, and susceptibility to shaking and jamming.

The application discloses a lifting system and a control method thereof. The lifting system comprises a fixed pulley, a steel cable and a hook, and further comprises: a hydraulic driving device arranged on one side of the fixed pulley and providing power for forward and reverse rotation of the fixed pulley so as to pull the steel cable and realize lifting of the hook; a sensor group distributed on the fixed pulley, the hook and the hydraulic driving device and used for measuring lifting displacement of the hook and load on the fixed pulley; and a controller electrically connected with the hydraulic driving device and the sensor group, used for receiving measurement data of the sensor group and reliably controlling start and stop of the hydraulic driving device according to the measurement data. The controller can comprehensively analyze the measurement data of the multiple sensor groups and realize precise control of the hydraulic driving device, thereby improving lifting precision and stability of the hook, further improving safety and reliability of the whole lifting system, and making the whole lifting process more intelligent and automatic through real-time monitoring and precise control of the multiple sensors.

The utility model discloses a stacked square pile lifting device which comprises a lifting bottom plate, a lifting ring is fixed to the edge of the upper surface of the lifting bottom plate, an installation sleeve is further fixed to the upper surface of the lifting bottom plate, a stand column is arranged in the installation sleeve, a bearing frame is installed on the surface of the stand column, and a lifting rod is arranged on the bearing frame. A first transverse rod and a second transverse rod are installed in the bearing frame, inserting grooves are formed in the surface of the first transverse rod and the surface of the second transverse rod, and inserting pins are arranged in the inserting grooves and connected with the bearing frame. According to the stacked square pile lifting device, pile bodies are stacked on the lifting bottom plate, the pile bodies on the lifting bottom plate are lifted in a centralized mode by hanging the lifting hooks on the lifting rings, the first transverse rod and the second transverse rod are locked, the first transverse rod, the second transverse rod and the stand columns form a fence to surround the outer sides of the stacked pile bodies, and the lifting stability is improved.

The utility model discloses a kind of building electromechanical equipment installation carrying devices, belong to building electromechanical equipment installation technical field.This kind of building electromechanical equipment installation carrying device, including bottom plate, the bottom end four corners of bottom plate are all installed with universal wheel, the side of universal wheel is connected with brake footboard, the top end side of bottom plate is installed with stand, the top end of stand is installed with top frame, the bottom end of top frame is equipped with height-adjusting mechanism, the lifting end of height-adjusting mechanism is connected with angle-adjusting mechanism, angle-adjusting mechanism includes case, the inside of case is rotatably connected with shaft, the both ends of shaft are installed with connecting frame, the outside of shaft is equipped with worm wheel, the top end of case is installed with first motor, the inside bottom end of case is rotatably connected with adjusting rod, the outside of adjusting rod is equipped with worm, worm wheel and worm engage, the utility model can effectively realize the height and angle adjustment to the electromechanical equipment after clamping, facilitate electromechanical equipment installation, with higher practical value.

This application discloses a hot-dip galvanizing lifting device for guardrails, including a lifting assembly, multiple traction ropes, multiple swing assemblies, and multiple clamping assemblies. The clamping assemblies are connected to the swing assemblies, and are connected to the lifting assembly via the traction ropes. Each swing assembly includes a base, a rotating shaft, and a swing drive mechanism. The rotating shaft is rotatably connected to the base, and the swing drive mechanism is housed within the base and connected to the rotating shaft. Each clamping assembly includes a support seat, a lifting mechanism, a bearing seat, and a clamping mechanism. The support seat is fixedly connected to the rotating shaft via a connecting frame. The lifting mechanism is mounted on the support seat, the bearing seat is fixedly connected to the movable end of the lifting mechanism, and the clamping mechanism is pivotally connected to the bearing seat. This effectively improves the stability of the guardrail during lifting and the efficiency of hot-dip galvanizing. It also effectively removes residual impurities and bubbles from the guardrail surface, thus ensuring a tight bond between the zinc layer and the substrate and improving the protective performance of the guardrail.

The invention discloses a quick lifting-out device for municipal underground pipe network detection equipment, and belongs to the technical field of pipeline detection equipment.The quick lifting-out device comprises a main body moving frame, a lens protection clamping assembly is arranged above the main body moving frame, and a moving alignment assembly is arranged above the main body moving frame; a lens protection clamping assembly and a U-shaped plate clamping assembly are arranged on the moving alignment assembly, lifting lugs are arranged on the periphery of the tail end of the main body moving frame, the lifting lugs are connected with a lifting assembly, and the lens protection clamping assembly achieves self-adaptive buffering protection on a camera of the underwater pipeline robot, reduces the damage risk and improves the safety of the camera. The U-shaped plate clamping assembly can reduce the phenomena of posture inclination, shaking instability or slipping caused by single-point pulling, the overall stability and safety in the lifting process are improved, and the phenomena that an existing underwater pipeline robot is prone to collision damage, uneven in stress, unstable in lifting and the like in the recycling process can be effectively reduced; therefore, the recycling success rate and the equipment use reliability are improved.

This invention relates to the field of intelligent cleaning equipment and discloses a cleaning robot, including a chassis, a squeegee, a wastewater tank, a blower module, and a cleaning module. The blower module creates negative pressure in the wastewater tank to collect wastewater from the squeegee. The cleaning module includes a roller brush module and side brush modules mounted thereon. In the roller brush module, the mounting frame unit includes a first mounting frame, a second mounting frame, and a linkage assembly. The first mounting frame is connected to the chassis. The second mounting frame is connected to the first mounting frame via the linkage assembly. The roller brush unit includes a mounting base plate, a roller brush assembly, and a roller brush drive assembly. The mounting base plate is connected to the second mounting frame. The roller brush assembly is located at the bottom of the mounting base plate, and the roller brush drive assembly and the side brush modules are located at the left and right ends of the mounting base plate, respectively. The output end of the lifting drive assembly is connected to the second mounting frame.

The utility model discloses an attached lifting scaffold lifting auxiliary temporary support which comprises a base, a supporting seat is arranged above the base, a screw rod is vertically and fixedly installed in the center of the top of the supporting seat, the screw rod is sleeved with a nut in a threaded mode, and a supporting mechanism is arranged above the supporting seat and surrounds the screw rod. The base clamping blocks are matched with the clamping grooves in the bottoms of the supporting seats, quick disassembly and assembly can be achieved without professional tools, on-site deployment and adjustment are facilitated, the screws are arranged on the tops of the supporting seats, the nuts are sleeved on the supporting seats, the nuts are adjusted through the handles, the height of the scaffold can be accurately adjusted, different lifting working conditions and load distribution are adapted, local stress concentration is avoided, and lifting stability is improved. The multiple guide rods are annularly arrayed on the supporting base, all-directional guiding is achieved through the multiple supporting frames, lifting deviation, shaking and twisting of the scaffold are prevented, installation and maintenance are convenient through the detachable design, and the stability of the supporting mechanism is enhanced through cooperation with the limiting base.

The invention belongs to the technical field of building material accessories, and particularly relates to a liftable door shaft structure. The liftable door shaft structure comprises a door shaft and is characterized in that a sleeve shaft is arranged on the lower portion of the door shaft, a lower triangular block is integrally connected to the upper portion of the sleeve shaft, a middle triangular block is arranged above the lower triangular block, an upper triangular block is arranged above the middle triangular block, the upper triangular block is fixed to the door shaft, a screw penetrates through the middle triangular block, the inner end of the screw abuts against the inner wall of the door shaft, and the inner end of the screw abuts against the inner wall of the door shaft. The outer ends of the screws are arranged in the screw holes. The door shaft lifting device has the beneficial effects that the middle triangular block can be driven to transversely move by rotating the screw, the upper triangular block is jacked up, then the door shaft is upwards jacked up, the screw is rotated in the reverse direction, the door shaft can descend under the action of gravity, the lifting stability is good, and the triangular blocks serve as force bearing components, so that a large load can be borne.