396 results about "Connection design" patented technology

This disclosure proposes a vacuum circuit breaker, comprising a stationary conductive component and a moving conductive component. The moving conductive component is configured to adjustably move toward and contact the stationary conductive component to achieve the closing action of the vacuum circuit breaker. The solid-sealed pole also includes a buffer energy-absorbing mechanism, which includes a first movable member and a second movable member. The first movable member is located on the side of the stationary conductive component opposite to the moving conductive component. The second movable member is located on the side of the stationary conductive component opposite to the moving conductive component and is movably connected to the stationary conductive component. The second movable member is movably connected to the first movable member. The buffer energy-absorbing mechanism is used to absorb the impact energy generated when the stationary conductive component contacts the moving conductive component. Through the above design, this disclosure utilizes the movable connection design between the first movable member and the stationary conductive component and the movable connection design between the second movable member and the first movable member to construct a buffer structure with two degrees of freedom, thereby achieving a buffer function in the above two degrees of freedom.

This utility model provides a pipe flaring fixture and flaring stamping equipment. The pipe flaring fixture includes a base, a fixture body with a clamping cavity, a feeding mechanism, and a unloading mechanism. The feeding mechanism includes a mounting base, a feeding drive, and a feeding top block located at the output end of the feeding drive. The feeding top block has a feeding ramp and a connecting end. The fixture body includes a lower fixture and an upper fixture. The lower fixture has an inlet ramp parallel to the feeding ramp and a clearance groove perpendicular to the clamping cavity. The unloading mechanism includes an unloading component installed on the connecting end of the feeding top block. By parallelly engaging the ramp of the feeding top block with the inlet ramp of the lower fixture, a progressive guide channel is formed, improving positioning accuracy and feeding efficiency. Simultaneously, the rigid connection design between the unloading mechanism and the feeding top block creates a mechanical linkage between the ejection action and the unloading process, allowing for automatic unloading upon completion of processing, reducing manual operation and improving feeding and unloading efficiency.

The application relates to the technical field of cutting equipment, and particularly discloses a positioning cutting device for grey cast iron production, which comprises a main body structure, a locking unit, a cutting unit and a distance adjusting structure. The locking unit is fixedly arranged on the main body structure, the cutting unit is movably arranged on the main body structure, and the distance adjusting structure is fixedly arranged on the main body structure. The first motor in the main body structure drives the first gear to mesh with the first gear seat, so that the distance between the clamping frames can be flexibly adjusted, and the grey cast iron workpieces and the workbench surface with different width specifications can be accurately matched. The modular series connection design of the third gear seat in the distance adjusting structure further expands the cutting range and adjusts the boundary. Meanwhile, the device has two modes of handheld construction and bench surface fixation, and can meet the multiple requirements of regular workpiece batch cutting, irregular workpiece special-shaped cutting and special position fixed-point cutting.

The invention discloses a multifunctional safety type connecting bridge system for an LNG (liquefied natural gas) filling wharf boat, which comprises a connecting bridge body, the connecting bridge body comprises an LNG equipment cabin and a pedestrian guardrail, an LNG pipeline group is laid in the LNG equipment cabin, and two ends of the LNG pipeline group are respectively communicated with a fixed pipeline of the connecting wharf boat and are output / input outwards; the LNG equipment cabin comprises an anti-explosion partition plate and an anti-explosion sealing top plate, the anti-explosion partition plate and the anti-explosion sealing top plate jointly define a cabin space for laying of the LNG pipeline set, the pedestrian guardrail is fixedly connected to the top of the LNG equipment cabin, and the pedestrian guardrail and the LNG equipment cabin define a pedestrian path; the LNG equipment cabin is movably connected with the wharf boat and the wharf through universal hinge supports. Through mechanical design and flexible connection design of vertical space layering, physical isolation of a dangerous source and a personnel channel is achieved in a single bridge body, safety is improved, the overall design is miniaturized, and the device is more suitable for transformation projects with limited space and can adapt to wharf boat operation under various hydrological conditions.

The utility model discloses a compression-resistant and bending-resistant double-omega-shaped seamless steel pipe which comprises a steel pipe body, the periphery of the cross section of any position of the steel pipe body comprises two straight edges and two grooves, the two straight edges are symmetrically distributed, the two grooves are symmetrically distributed, and any groove is in arc connection with the two adjacent straight edges; the two grooves and the two adjacent straight edges form a double-omega-shaped structure. Through the connection design of the two oppositely-distributed straight edges and the two oppositely-distributed grooves, the double-omega-shaped seamless steel pipe is obtained and can be telescopically adjusted in the radial direction in the high-temperature and high-pressure environment so as to bear the impact of high-temperature and high-pressure steam, so that the anti-fatigue performance of the seamless steel pipe is improved, and the service life of the seamless steel pipe is prolonged.

The utility model discloses a stainless steel angle groove punch forming die which comprises a base, the outer wall of the top of the base is fixedly connected with a lower die structure and a punching structure, and the outer wall of the lower die structure is fixedly connected with the outer wall of the punching structure; the utility model relates to the technical field of angle groove stamping, according to the die structure, through the threaded connection design of the threaded rod and the positioning plate, an operator can flexibly adjust the position of the positioning plate according to stainless steel plate blanks of different sizes, it is ensured that the blank is always kept at the stable and accurate position in the stamping process, and the stamping efficiency is improved. Through mutual cooperation of a pressure spring, an extrusion plate and a demolding block in a demolding groove, in the stamping process, along with gradual forming of a blank, the demolding block can be pressed downwards, and the pressure spring accumulates force. After stamping is completed, the pressure spring releases elastic potential energy, the extrusion plate and the demolding block are automatically pushed to move upwards, and the formed stainless steel angle groove is ejected out of the forming groove of the lower mold block.

The utility model belongs to bore cleaning and maintaining device technical field, especially for vehicle 155 gun bore cleaning and maintaining device, including power component and maintaining component, power component includes handle shell, the inside installation of handle shell has power motor, the output of power motor is connected big gear through the meshing rotation of tooth disc, one end center of big gear is fixedly connected connector, be equipped with external thread on the connector. The utility model through power component realizes stable deceleration and increases the twist through big gear, cooperation positive and negative rotation motor, can drive maintaining component high -efficient reciprocating cleaning, promotes the removal efficiency of pollutant, the threaded connection design of connector and connecting cavity is convenient for quick replacement copper wire brush, nylon brush different brush head, adapts to the diversification cleaning demand, both ends annular can accurate orientation positioning, avoid long rod cylinder deviation and scratch bore, simultaneously, the length of bristle adaptation guarantees clean dead angle, effectively prolongs the service life of gun barrel, satisfies the high efficiency and safety requirement of actual combat maintenance.

The invention discloses a UHPC (Ultra High Performance Concrete) composite structure for repairing bridge deck pavement diseases and a construction method, and aims to solve the technical problems of poor durability, insufficient bearing capacity and the like generally existing after the existing bridge deck pavement pit slot diseases are repaired. The method comprises the core technical links of bridge deck pavement milling, drilling and steel bar planting, steel bar mesh installation, UHPC mixing, pouring, maintenance and the like. By adopting a composite structure composed of the UHPC120 concrete and the asphalt concrete surface layer and matching with the reinforced connection design of the HRB400-grade twisted steel mesh and the implanted erection steel bars, the bonding strength between the repairing layer and the original bridge deck concrete pavement layer is effectively improved, the structural integrity and the anti-cracking performance are enhanced, and the service life of a bridge is remarkably prolonged. The technology is suitable for repairing bridge floor cavities, pit slots and other diseases of various types of bridges, and has wide engineering application prospects.

The utility model discloses a sliding door checking fixture which comprises a roller shaft assembly, a door body clamping mechanism, a clamping and clamping mechanism and an adjusting auxiliary mechanism, the door body clamping mechanism comprises a hydraulic cylinder, a moving plate, a moving clamping rod, an adjusting sleeve and an adjusting clamping rod, and the clamping and clamping mechanism comprises a clamping pipe, a clamping rod, a threaded sleeve, rotating teeth, a pushing rod, a moving frame and a toothed plate. Movement of the moving plate and the clamping rod is controlled through the hydraulic cylinder, the clamping force can be accurately adjusted, stable clamping of the sliding door is ensured, adjustment of the clamping mechanism is more flexible through the design of the adjusting sleeve and the adjusting clamping rod, the clamping mechanism can adapt to door bodies of different sizes, firm fixation of the door bodies in the clamping process is ensured through the design of the clamping pipe and the clamping rod, and the clamping effect is good. And the threaded connection design of the pushing rod and the threaded sleeve is matched with the meshing of the toothed plate and the rotating teeth, so that the force transmission in the clamping process is stable and reliable.

The invention discloses a full connection system, a backboard and a design method, and belongs to the field of full connection design, the backboard comprises at least three service card slot positions with the same backboard bandwidth, and each service card slot position is internally provided with at least two connectors. Each connector is provided with a plurality of ports, and the number of the ports is greater than or equal to the number of the service card slot positions minus 1; all ports in each connector of each service card slot position are connected with a port with the same serial number in the connectors located at the same position of the rest of other slot positions in a pairwise mode, and a full connection relation is formed; the rates of the ports in the connectors of the service cards are the same or different; the port types of the same serial numbers of different service cards are the same or compatible; and the different service cards are in full connection by configuring the public port. According to the invention, the problem of differentiation of business card backboard ports is solved, different types of business cards are supported, and the flexibility and expansibility of full connection are enhanced.

The invention relates to the technical field of metallized films, and discloses a metallized film unwinding and flattening device which comprises a machine body, a mounting seat is arranged on the inner wall of the machine body, a flattening roller is mounted on the mounting seat, a wrinkle removing mechanism is arranged on the machine body, and the wrinkle removing mechanism comprises a guide roller and a wrinkle removing wheel. The guide rollers are rotationally connected to the inner wall of the machine body. The guide roller and the wrinkle removing wheel are arranged to cooperatively remove wrinkles on the metallized film, the guide grooves symmetrically formed in the guide roller can actively unfold the metallized film towards the two sides, and bending stress left after winding is preliminarily released; the wrinkle removing wheel at the bottom of the scraping plate is matched to remove wrinkles on the upper surface of the film in a rolling mode, the elastic connection design of the torsional spring enables the wrinkle removing wheel and the film to keep adaptive pressure all the time, coating damage caused by overpressure or incomplete wrinkle removing caused by underpressure is avoided, and the problems of arc-shaped bending and local tiny wrinkles of the film after unwinding are effectively solved; and the machining deviation caused by insufficient flatness is reduced.

The invention belongs to the technical field of polishing equipment, and particularly relates to polishing equipment for staddle machining, which comprises a workbench, the workbench is provided with a discharging seat, a pressing assembly, a machining assembly and a discharging box, and the complete automatic process of feeding, positioning and clamping, double-sided polishing and automatic discharging of a staddle is realized. The work mode that in a traditional mode, workpieces are frequently transferred between different devices and stations is thoroughly changed, manual intervention and the transferring time between procedures are greatly shortened, the grinding rods are arranged on the two sides of the mounting plate, synchronous double-face grinding can be conducted on the cutting face of the staddle after cutting, attached chippings and burrs are effectively removed, and the working efficiency is improved. And the flatness and smoothness of a cutting surface are ensured. By means of the detachable connection design of the grinding blocks and the grinding rods, the abraded grinding blocks can be conveniently replaced, the number and the positions of the grinding blocks can be flexibly adjusted according to the machining requirements, the consistency and the quality of products are improved, and the grinding device has the beneficial effect that feeding, positioning, grinding, pushing and discharging are integrated.

This utility model discloses a coating machine for processing silicone protective film, including a coating frame, a transmission roller group, a coating seat, a pressing mechanism, a feeding end seat, a feeding mechanism, a discharge end seat, and a winding mechanism. The transmission roller group is arranged on the surface of the coating frame. A coating seat is arranged on one side of the top surface of the coating frame. A pressing mechanism is arranged on one side of the coating seat. A feeding end seat is installed on one side of the pressing mechanism. A feeding mechanism is arranged above the surface of the feeding end seat. A discharge end seat is arranged below one side of the outer wall of the coating frame. A winding mechanism is arranged above the surface of the discharge end seat. The feeding mechanism and the winding mechanism have the same structure. A traction roller is installed at one end of the coating frame. This silicone protective film coating machine improves coating efficiency and uniformity. The connection design between the various components is reasonable, facilitating disassembly and cleaning. In particular, the identical structure of the feeding mechanism and the winding mechanism makes maintenance simpler.

The invention relates to a special bearing device for electric power equipment transportation and a design method thereof, which are characterized in that the device comprises a plurality of bearing units, the bearing units are connected into a whole or are arranged side by side at intervals in the length direction, each bearing unit comprises a wooden tray and a plurality of damping balls arranged at the bottom of the wooden tray, and the damping balls are arranged at the bottom of the wooden tray. The design method comprises the steps that the size of the wooden tray is determined according to the size of the base of the electric power equipment to be loaded, the number of the vibration reduction balls is determined, calculation is conducted according to the uniform bearing capacity of each vibration reduction ball, and it is guaranteed that the bearing capacity of a single ball does not exceed 1 / 6 of the ultimate bearing capacity of the single ball. The device is simple in structure and convenient to use, the single-time application cost can be effectively reduced, repeated use is achieved, vibration and impact loads borne by electric power equipment in the transportation process can be reduced, and the risk of damage to transported goods is reduced.

The utility model discloses a novel orthopaedic orthopedic device for reduction and fixation, which relates to the technical field of orthopaedic orthopedic devices and comprises an upper fixing ring and an adjusting arm ring movably connected with the upper fixing ring, side seats are symmetrically arranged on the side surfaces of the upper fixing ring and the adjusting arm ring, an adjusting rod is clamped between the two side seats, and the adjusting rod is movably connected with the upper fixing ring. By means of the movable connection design of the upper fixing ring and the adjusting arm ring and the threaded connection mode of the side face seat and the X insertion frame through the limiting threaded rod, the orthopedic device for the orthopedics department achieves height adjustability, a doctor can adjust the position of the orthopedic device according to the specific fracture condition and orthopedic requirements of a patient, and the orthopedic device for the orthopedics department is convenient to use. The angle, the position and the fastening degree of the device are flexibly adjusted, meanwhile, due to the design of the limiting threaded rod, the stability of the device in the using process is guaranteed, looseness or displacement caused by movement or external force of a patient is effectively prevented, and therefore the orthopedic effect and the success rate of treatment are greatly improved.

The utility model discloses a material level detection device for solid materials in a stock bin and the solid stock bin, and belongs to the technical field of material level measurement equipment. The device comprises a moving rod, a cambered surface movable cover, a linear bearing guide piece, an adjustable check ring, a spring elastic piece and the like, a sealing structure is formed through a flexible connecting piece (an organ cover), and material interference is avoided. The adjustable check ring is combined with the key connection design, the detection pressure can be adjusted according to the material density, and detection of particles, powder and other solid materials is adapted. The device solves the problems of dust interference, misjudgment of hanging materials, mechanical abrasion, complex calibration and the like in the prior art, has the advantages of being high in environmental adaptability, small in abrasion, convenient and fast to maintain and the like, can effectively achieve automatic detection of the high and low material levels of the stock bin, and guarantees the stability of continuous production.

The utility model relates to the technical field of mine coal mining, in particular to a grooving drill rod which solves the problems that in the prior art, due to the fact that polygonal matched insertion and key connection are low in connection strength, a drill rod is prone to falling off in the using process, and economic losses and potential safety hazards are caused. A grooving drill rod comprises a rod body, an external threaded rod and an internal threaded ring, the top of the external threaded rod is connected with a top column through a cylinder, the top column is connected to one end of the rod body, the internal threaded ring is connected to the other end of the rod body, and the edge of the top of the internal threaded ring is connected with a convex ring matched with the cylinder. By adopting the threaded connection design of the external threaded rod and the internal threaded ring, combining the close fit of the cylinder and the convex ring and the reinforced connection of the fixed screw rod, the connecting strength of the drill rod is obviously enhanced, the loosening or falling phenomenon caused by overlarge torsion in the use process is effectively prevented, and the service life of the drill rod is prolonged. And the safety and the reliability of drilling operation are improved.

The utility model discloses a kind of portable devices of photographic equipment, including main body, is arranged in strip, main body is equipped with first connecting structure and second connecting structure;First connecting structure and / or second connecting structure are used to connect expansion component, expansion component is equipped with at least one installation interface, installation interface is adapted to photographic auxiliary accessory.This application provides the portable device of photographic equipment by modularization connection design, and the photographic auxiliary accessory of different function is combined freely with main body, breaks the limit of traditional fixed installation mode.User can according to different shooting scene such as scenery, portrait, documentary, quickly disassembles or replaces fill light, microphone, wide-angle lens and so on photographic auxiliary accessory, realize the flexible switching of shooting function;Moreover, modular structure reduces unnecessary accessory installation, effectively reduces the overall weight and volume of equipment, improves shooting portability and efficiency.

The utility model relates to the technical field of squeezing device discloses a squeezing device, the top of bottom support frame is fixedly connected with vertical rod, the top of vertical rod is fixedly connected with bearing top board, the top of bearing top board is fixedly connected with installation card frame, the inside joint of installation card frame has the hydraulic cylinder, the output fixedly connected with squeezing round plate of hydraulic cylinder. The utility model discloses the sliding connection design of setting up mobile sliding rail and moving wheel, makes squeezing sleeve freely in and out along the sliding rail, and the convenient loading, unloading and cleaning operation, the further promotion equipment stability of symmetrical distribution's sliding rail, prevents the inclination or the jamming of partial load, through setting up the screw thread cooperation of limiting rotation plate and limiting screw rod, can be through the axial fixed of rotating adjustment to squeezing sleeve, ensures the sleeve position stability in the squeezing process, avoids the displacement of hydraulic impact, and the balanced stress of symmetrical distribution's limiting component, prolongs the equipment life.

The utility model discloses a continuous stamping device for laser displacement sensor processing, which comprises a base, a driving rod and a support frame, the top end of the base is provided with the support frame, the outer wall of the support frame is provided with a support block, the outer wall of the support block is provided with an adjusting block, and the adjusting block is in sliding connection with the support block. A supporting frame is installed on the outer wall of the adjusting block, a hydraulic air cylinder is installed at the top end of the supporting frame, a clamp frame is installed at the position, on one side of the supporting frame, of the top end of the base, telescopic driving pieces are symmetrically installed in the clamp frame, and supporting columns are symmetrically installed in the positions, on one sides of the telescopic driving pieces, of the clamp frame. The adjusting block and the supporting frame are installed on the base and the supporting frame, and the hydraulic air cylinder is used in a combined mode, so that accurate control over the punching process can be achieved. And through the sliding connection design of the adjusting block and the supporting block, the device can be flexibly adjusted in the machining process, the accuracy of the punching position is ensured, and therefore the machining precision is remarkably improved.

This utility model discloses a waterproof power adapter. The housing has an annular top step; the top step has an annular positioning groove, and the underside of the cover has an annular positioning ring wall that can fit into the positioning groove. The housing has an upward-extending annular surrounding wall outside the positioning groove. The annular surrounding wall, the top step, and the positioning ring wall form a sealing groove for injecting sealant. The housing has a connector for a power cord; the connector extends upward to connect to the sealing groove; the power cord's connector terminal can be inserted into the connector from above. This utility model, through the nested fit of the annular positioning groove and the positioning ring wall, combined with the innovative connection design between the sealing groove and the connector, achieves significant optimization in sealing performance, cost control, and assembly efficiency.

The invention relates to an integrated ceramic direct one-to-four power divider which comprises a substrate, a metal structure and a resistor unit. The power divider adopts a direct one-to-four topological structure, and a circuit layer is a pi-type lumped parameter topology formed by lumped inductors and capacitors; the substrate comprises a plurality of dielectric layers which are formed by overlapping a plurality of layers of green ceramic tapes. The metal structure comprises a metal circuit arranged on the surface of the green tape, through holes penetrating through each layer of green tape and metal slurry filled in the through holes; the resistor unit comprises a plurality of resistors arranged on the same layer of green tape, and the resistors are connected with other structures through metal lines and through holes. According to the invention, the traditional serial connection type design is abandoned, a direct one-to-four topological structure is adopted, and the element layout is simplified; the four channels are designed in a completely symmetrical mode, the consistency of signal power and phases is guaranteed, meanwhile, the isolation resistor is embedded in the ceramic material, integration of the resistor and the ceramic base body is achieved, the integration degree is improved, the machining process is simplified, and machinability is guaranteed.

The utility model discloses an air bag cloth sewing positioning device. The air bag cloth sewing positioning device comprises a positioning frame, an upper template and a lower template, the lower template is detachably mounted in the positioning frame, hinge mounting structures are symmetrically arranged at the two ends of the rear side of the top of the positioning frame, each hinge mounting structure comprises a hinge fixed to the rear side of the top of the positioning frame and sockets arranged at the two ends of the rear side of the top of the upper template, and the rotating shaft ends of the hinges are inserted into slots of the sockets, so that the upper template is movably connected with the positioning frame; a mounting hole is formed in the top of the socket in a penetrating mode, a screw hole is formed in the corresponding position of the hinge, when the hinge is inserted into the socket, the screw hole and the mounting hole are axially aligned, a bolt is screwed into the mounting hole and is in threaded connection with the screw hole, and a detachable rotating connection structure is formed. By means of the detachable connection design, the upper template and the lower template can be conveniently and rapidly detached and replaced, equipment maintenance and component replacement are achieved, only the templates need to be replaced when air bags of different models are sewn, and the use cost is reduced.

The utility model belongs to the technical field of warning columns, and particularly relates to an anti-collision buffering type warning column which comprises a base, a column body and an elastic column. A connecting cylinder is axially mounted on the base, the cylinder is coaxially arranged above the connecting cylinder, and a spring is arranged between the cylinder and the connecting cylinder; the two ends of the elastic column extend into the connecting cylinder and the column body correspondingly and are connected through a connecting piece, and the surface of the elastic column is coaxially sleeved with the spring. According to the structure, through the design that the two ends of the elastic column are connected with the column body and the connecting cylinder, the structural stability of the spring installation position is effectively improved, the warning column is assisted to be quickly reset after being collided, meanwhile, external damage can be avoided through the built-in arrangement of the elastic column, and the service life of the warning column is prolonged.

The invention belongs to the technical field of repair material production equipment, discloses ultraviolet curing lining hose flattening and rolling equipment and a production system, and particularly relates to the ultraviolet curing lining hose flattening and rolling equipment which comprises a supporting assembly, one end of the supporting assembly is connected with a sliding rail, and the other end of the supporting assembly is connected with a lifting assembly. The end, away from the sliding rail, of the supporting assembly is connected with a connecting assembly, the two ends, in the width direction, of the connecting assembly are connected with a pre-unfolding assembly and a detection assembly correspondingly, the end, close to the sliding rail, of the supporting assembly is connected with a working assembly, and through cooperation of the supporting assembly and the working assembly, precise regulation and control of rolling pressure are achieved. The telescopic rod dynamically adjusts the height of the movable plate according to feedback data of the pressure sensor, so that the pressing plate of the rolling part always contacts the hose at the optimal pressure; the elastic connection design of the rotating roller and the pressing plate can adapt to tiny fluctuation of the surface of the hose, and the hose can be prevented from being damaged due to too large pressure.

The invention discloses a buffer mechanism for landing of an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles. Comprising a fixed support, a buffer adjusting mechanism and a landing rod, and the fixed support comprises a mounting cross rod and an adjusting plate connected with the mounting cross rod; the buffer adjusting mechanism comprises a mounting frame, two connecting plates, two limiting blocks, two driving motors, two supporting main rods, two fixing lantern rings, two fixing frames and two first rotating arms. Through the detachable connection design of the mounting cross rod and the adjusting plate in the fixed support and in cooperation with the adjusting hole structure in the adjusting plate, the problems that a traditional buffer mechanism is poor in adaptability and difficult to meet the mounting requirements of unmanned aerial vehicles of different models are solved, and the design can flexibly adjust the mounting position of the buffer adjusting mechanism; and meanwhile, disassembly is convenient and fast, later maintenance and component replacement are facilitated, and the universality and practicability of the mechanism are remarkably improved.

The utility model discloses a blanking device for plastic bottle processing, and relates to the technical field of plastic bottle processing, the blanking device comprises a feeding disc and a blanking disc, two sides of the feeding disc and two sides of the blanking disc are symmetrically provided with elastic movable structures; the elastic movable structure is used for being compressed and rebounded to achieve relative buffering when the feeding disc and the discharging disc are pressed, the situation that the device shakes due to rigid collision is avoided, and then the internal plastic bottles are prevented from being damaged. By means of the threaded connection design of the connecting sleeve rods and the connecting rods, the feeding disc and the discharging disc can be rapidly detached. Operators can easily separate main body parts of the device without the aid of complex tools, so that the upper rotating disc, the blanking spring tube, the lower rotating disc and other parts which are easy to accumulate materials and hide dirt are exposed outside, the cleaning difficulty is greatly reduced, the cleaning and maintenance efficiency of the device is remarkably improved, and the production process is ensured to meet the sanitary standard.

The utility model discloses a safety protection device. The safety protection device is applied to the seat and comprises a soft package body and a baffle, the seat comprises a seat body and a pressing rod, the soft package body is connected to the seat body, the pressing rod is rotationally connected to the seat body through a rotating arm, the rotating arm is located on the outer side of the soft package body, an open area is arranged at the position, corresponding to the pressing rod, of the soft package body, and the pressing rod is transversely arranged. The baffle is arranged on the chair body, penetrates through the open area to form limiting protection, is connected to the chair body and is located on the outer side of the rotating arm. Through the connection design of the soft package body and the chair body, the body movement range of a tourist can be effectively wrapped and limited, and the risk that the tourist enters a dangerous area due to the out-of-control body in the amusement process is reduced; in addition, when the pressing rod is in the locking state, the pressing rod, the soft bag body and the baffle form a more comprehensive and effective restraint system for the body of the tourist, and the safety is further improved.

The utility model relates to building construction equipment technical field discloses concrete trowelling device, including counterweight base, module support, retainer, drive mechanism, through slide hole, vertical lifting mechanism and board body. Adopt this structure, through drive mechanism drive module support and board body to and fro movement carries out concrete trowelling operation, greatly alleviated operator's labor intensity, improved work efficiency, board body, module support and so on spare adopt detachable connection design, can according to the length and width of room flexible adjustment device's work size, and when the spare damage is convenient to replace, reduce cost, strong adaptability, vertical lifting mechanism, the height of board body is accurately controlled, guarantees the consistency of concrete trowelling thickness, compared with artificial scraping, can make concrete surface more even, improves construction quality, and, when the device of the application carries out trowelling work, the workman can carry out operation in other room, and the overall operation efficiency is improved.

The utility model relates to the technical field of daily necessities storage discloses multifunctional storage buckle, including top annular buckle and head -to -tail rope body and be used for clamping object's clamp, the clamp is located on the rope body, and the end of rope body away from the clamp forms the hanging buckle rope for the buckle water bottle mouth, and the adjusting member for adjusting the tightness of hanging buckle rope is set on the hanging buckle rope, top annular buckle can be used for suspending whole device, and rain umbrella's rope belt can also be passed through top annular buckle and hang, the clamp can be used for clamping articles, and the hanging buckle rope can be used for fixing water bottle and other articles, solve the problem that traditional storage tool function is single, the detachable connection design of top annular buckle and rope body makes user can change different length or material's rope body according to need, or disassembles and uses each component alone, improved the flexibility and universality of product, the adjusting member on the hanging buckle rope can adjust the tightness according to different size's bottle mouth, is applicable to various specifications water bottles, expands the application range of product.