30 results about "Rotating hinge" patented technology

This application relates to a welding positioning device and method for a heat exchanger. The welding positioning device includes a first frame, a limiting part, and a supporting part. The limiting part is located on one side of the first frame along a first direction and includes at least one first limiting member. The limiting direction of the first limiting member is parallel to a second direction, where the first direction is the height direction of the first frame and the second direction is the length direction of the first frame. The supporting part is arranged opposite to the limiting part and includes a first supporting member, a rotary hinge, and a second supporting member. The first supporting member is movably connected to the first frame and can move relative to the first frame along the first direction. The rotary hinge connects the first supporting member and the second supporting member, and the second supporting member can rotate relative to the first supporting member by a preset angle with the rotary hinge as the fulcrum. This welding positioning device can improve the positioning accuracy of the manifold on the side to be welded, facilitating automated identification and welding.

The utility model relates to centrifugal fan technical field especially a kind of centrifugal fan of contactless drive, including cabinet shell and internal fan, the internal fan includes fan blade, rotating shaft and magnetic suspension motor, cabinet shell both sides are equipped with quick-release door, the quick-release door is set as flip cover, the quick-release door is set in cabinet shell both sides by rotating hinge, cabinet shell inside is equipped with vertical support plate;The vertical support plate bottom is equipped with sliding block;The cabinet shell bottom is equipped with mounting plate, the mounting plate top surface is equipped with sliding slot, the sliding block is slidably arranged in sliding slot, the vertical support plate center is equipped with mounting hole, the internal fan is installed on vertical support plate by mounting hole, the rotating shaft is rotatably arranged in mounting hole, the fan blade is fixedly arranged at the front end of rotating shaft, the rotating shaft tail end is connected with magnetic suspension motor, without the whole dismounting external cabinet shell, it is convenient to maintain internal fan at any time.

A synchronous motion cracked control surface follow-up loading test device is disclosed. This device, driven by an electric motor, overcomes the shortcomings of existing cracked control surface test loading devices, such as high manufacturing and testing costs, complex electromechanical components, and the limitation to single-sided control surface loading tests. It also addresses the problems of high manufacturing and maintenance costs leading to difficulties in conducting tests, high dependence on pump stations due to hydraulic actuators, and the inability to meet actual testing requirements for loading effects. The device includes a test bench, a cracked control surface motion simulation module, and a follow-up loading module. The test bench includes a main body and casters. The cracked control surface motion simulation module includes a simulated control surface and a control surface rotation... The invention comprises a hinge, a simulated control surface base, a control surface drive mechanism, and a tilt sensor. The control surface drive mechanism includes a linear motor module, a slide table connector, a transmission hinge, a connecting rod, and a control surface transmission hinge. The servo loading module includes a servo drive mechanism, a hinge transmission mechanism, a spring loading mechanism, a servo frame, and a servo frame hinge. The servo drive mechanism includes a motor mounting base, a servo motor and its reducer, and a coupling. The hinge transmission mechanism includes a transmission hinge base, bearings, a transmission shaft, a key, and a frame connector. The spring loading mechanism includes a frame mounting base, adjusting bolts, a movable base, a loading spring, a force sensor, and a control surface base. This invention is used for servo loading tests.

The utility model discloses a kind of roll-up door anti-falling protection devices, including wall and roll-up door body, two mounting racks are fixedly connected on the wall, two The mounting rack is mutually matched with roll-up door body, one mounting rack is fixedly connected with working motor, the working motor is mutually matched with roll-up door body, two mounting connecting plates are also fixedly connected on the wall, two The mounting connecting plate is connected with protection plate by rotating hinge, two The mounting connecting plate is equipped with reinforcing assembly;Stable protection component;The stable protection component includes the working sliding slot opened in one of protection plate, supporting clamping plate is slidably connected in the working sliding slot, another The support slot is opened in the protection plate, the supporting clamping plate and support slot are mutually matched.The utility model can avoid affecting the pull-up and close of roll-up door while playing the anti-falling protection effect.

This application belongs to the field of wind turbine technology, and particularly relates to a foldable horizontal blade device for wind turbines, including a rotating hinge base. The rotating hinge base includes a vertical shaft, on which multiple hinge seats are arranged. All the hinge seats are evenly arranged around the central axis of the vertical shaft. Blades are provided on the hinge seats and hinged to the hinge seats. A column is provided at the upper end of the rotating hinge base, and a fixed pulley group is provided at the upper end of the column. A rope winding and unwinding device is provided inside the column. A lifting rope is provided on the drive rod of the rope winding and unwinding device. The lifting rope passes through the fixed pulleys on the fixed pulley group and is connected to the blade. This application uses the connection between the blade and the rotating hinge base as the fulcrum, and uses the rope winding and unwinding device and the lifting rope to lift the blade, so that the blade can overcome its own weight and the blade length can be made longer. The angle between the blade and the horizontal plane can be changed, so as to enhance the wind energy capture capability.

The application discloses an old building-oriented structure reinforcing support mechanism and a use method thereof, and relates to the technical field of structure reinforcing. The mechanism comprises a support framework and a fixing structure. The support framework comprises a connecting disc and four diagonal support rods, one end of the support rod is hingedly connected with the connecting disc, and the other end is connected with a support plate through a rotary hinge. The fixing structure comprises a guide frame, a sliding sleeve, a fixing frame, a fixing stud and a connecting block. The fixing frame is slidably sleeved on the guide frame and connected with the support rod through the connecting block. The fixing stud is used for pushing the fixing frame to move as a whole. In use, the support rods are unfolded to make the support plates adhere to the wall, the connecting block is slid to be aligned with the connecting stud to complete preliminary connection, and then the fixing stud is rotated to push the fixing frame to drive the four support rods to synchronously press against the wall. The diagonal support makes the wall bear force uniformly, avoids local stress concentration, the connecting block can slide to compensate installation error, and the structure is compact and convenient to install.

This invention relates to a dewatering bucket elevator, comprising: a fixed frame fixed to the ground, with an inclined sliding guide rail on one side; an elevator body and the sliding guide rail connected by a sliding wheel, allowing the elevator body to move along the sliding guide rail; a head drive component installed at the head of the elevator body and connected to a head wheel for driving the head wheel to rotate; a rotating hinge rod hinged at one end to the lower end of the head drive component and at the other end to the elevator body, the rotating hinge rod providing auxiliary support for the head drive component; and a head tensioner fixedly installed at the head of the elevator body and connected to the head wheel for driving the head wheel and the head drive component to move towards the top of the elevator body. By placing the head tensioner at the top of the elevator body, tensioning can be directly applied when the chain is loose. Furthermore, by providing auxiliary support to the head drive component through the rotating hinge rod, the resistance of the head tensioner during operation is reduced, effectively improving the problem of tensioning difficulties.

The utility model provides a kind of picking device for Pleurotus geesterus, including mobile base, folding ladder, storage rack, the mobile base is equipped with movable slot, the folding ladder is by first ladder, second ladder is constituted, the top hinged of first ladder, second ladder, the bottom end both sides of first ladder are rotated hinged in movable slot, the bottom of second ladder is rotatably connected with a sliding frame, and the both ends of sliding frame are slidably connected with movable slot, first electric telescopic rod is installed between the bottom of first ladder and second ladder, and the telescopic end of first electric telescopic rod is connected with the sliding frame of the bottom of second ladder, second electric telescopic rod is installed on the side of folding ladder in mobile base, and storage rack is installed on the top end of second electric telescopic rod. The utility model has the advantages of convenient movement, reducing labor intensity etc.

The utility model belongs to the field of perpendicularity detection equipment, and particularly relates to guide pile casing perpendicularity detection equipment for deep-hole cast-in-place pile construction, which comprises a fixed seat, a gradienter is fixedly mounted at the front end of the fixed seat, a support rod is hinged to the lower end of the fixed seat, a fixed block is fixedly connected to the bottom of the fixed seat, and the guide pile casing perpendicularity detection equipment is arranged on the fixed block. And the bottom of the fixed block is fixedly connected with a connecting seat. Through the design of the supporting rod and the supporting sleeve, the supporting rod and the supporting sleeve can be connected with the ground in an inserted mode to achieve supporting and fixing of the fixing base, the hinged rod is in threaded fit with the supporting sleeve, when the hinged rod is rotated, the hinged rod can move in the vertical direction, and the sliding base can be pushed to move horizontally through movement of the hinged rod. Relative rotation of the fixing base and the supporting rod can be achieved, the supporting plate can be leveled through cooperation with the effect of a gradienter, and the situation that the perpendicularity detection result is affected by the relative height difference of the supporting plate is avoided.

The utility model discloses an electric wheel rear axle box maintenance cover, including maintenance cover subassembly, hinged mechanism, set up maintaining opening on rear axle box, maintenance cover subassembly includes apron, sets up the inner baffle ring and outer baffle ring of apron inboard, and the inner baffle ring and outer baffle ring are sequentially arranged from the center of apron to the outer edge, and the wallboard of maintaining opening is inserted between the inner baffle ring and outer baffle ring, and one end of hinged mechanism is fixedly connected with apron outside, and the other end is fixedly connected with the rear axle box outer wall at maintaining opening, and apron is opened and closed along the horizontal direction rotation through hinged mechanism. Through the collaborative design of double baffle ring insertion type sealing structure and horizontal rotation hinge, improve the dynamic sealing performance and the ability of resisting foreign matter invasion of rear axle box maintaining opening, improve the opening and closing operation efficiency and structural stability of large maintenance cover, effectively adapt to the extreme vibration working condition of mining area and reduce the maintenance complexity, can satisfy the requirement of high frequency maintenance convenience, precision component protection reliability and heavy equipment structure durability of mine electric wheel rear axle box.

The utility model discloses a kind of rehabilitation mirror image devices suitable for multiple body positions.The utility model includes base, and base is equipped with rotating rod, and rotating rod is formed by the head-to-tail rotating hinged of multiple support rods, and the end of rotating rod is equipped with universal fixing mechanism, and the other end of universal fixing mechanism is fixed with connecting device, and connecting device is connected with mirror;The universal fixing mechanism includes the universal bar hinged at the end of rotating rod, and the end of universal bar includes spherical joint;The outside of connecting device is equipped with universal fixing base, and spherical joint is embedded in universal fixing base;Universal fixing nut is threadedly covered on the outside of universal fixing base;The top of base is equipped with limiting slot, and limiting slot is matched with mirror bottom portion.The utility model can flexibly adjust the angle and direction of mirror, to adapt to the training of different limbs of different body positions, and the utility model has better storage capacity, and can better store and protect mirror.

The utility model relates to clothing label technical field, concretely to a clothing label convenient for user to remove, including label body, aperture, pendant and connecting assembly, the aperture is established in the surface of label body, the inside of aperture and aperture is connected through, the surface of pendant is provided with connecting assembly, and connecting assembly includes fixed block, and one end of fixed block and pendant is fixedly connected, and the surface fixedly connected with the rotating hinge of fixed block, the utility model discloses, through setting connecting assembly, it is convenient to remove pendant, avoid existing label including label body and pendant, and one end of pendant passes through label body and the hanging part on goods and the other end of pendant integration connection, to with label body stringing on goods.But when the customer obtains goods, needs to remove label, but because the structure of pendant is firm, leads to the difficult removal of label, makes the removal work be hindered, and the convenience of equipment is effectively improved for this.

The utility model relates to labor saving loading and unloading and pouring technology field of liquid nitrogen tank, especially a kind of labor saving loading and unloading and pouring support of liquid nitrogen tank.It is a kind of labor saving loading and unloading and pouring support of liquid nitrogen tank, and the labor saving loading and unloading and pouring support includes load-bearing base, large liquid nitrogen tank storage device, pouring column, and the load-bearing base is slidably connected with pouring column by parallel linear guide pair;Large liquid nitrogen tank storage device is fixedly arranged in the pouring column inside side wall;Groove is arranged on the load-bearing base, and groove is matched with driven link;Load-bearing base and driven link are connected by connecting rod to form at least two parallel parallelogram connecting rod mechanisms;Wherein, load-bearing base is connected with connecting rod by hinged shaft, hinged shaft is extended from load-bearing base and fixed pedal, connecting rod is in vertical or horizontal state by rotating hinged shaft driven by pedal, and driven link is lifted along with the rotation of connecting rod;Realize the quick lifting of large liquid nitrogen tank, without manual auxiliary lifting, save time and effort.

The utility model discloses an online mechanism of straightening alloy bar, including straightening station, the top of straightening station is equipped with the supporting plate, the upper surface of straightening station is connected with a group of first rack, and the inner wall of every first rack all has the first straightening roll of rotating hinged through two first bearings. The device can drive the first straightening roll and the second straightening roll to rotate by the first drive machine and the second drive machine, and the first straightening roll and the second straightening roll are set at a certain angle, which can mechanically drive the alloy bar to extrude and straighten, facilitate the rapid straightening of the alloy bar, and the height of the supporting plate can be adjusted by the adjusting assembly, thereby realizing the height adjustment of the second straightening roll, and the mechanism can be used for the correction of alloy bars of different specifications, effectively increasing the use effect of the online straightening.

The utility model discloses a river course topographic scanning detection device relates to river course detection field, in view of the problem that the existing underwater topographic survey technology is difficult to measure scanning detection to torrent river course topography, adopts support frame combination cross bar and auxiliary structure, through support frame and is directly fixed in the shore or near shore stable area, and the echo sounder extends to the river course through cross bar, derrick, need not the boat to carry and can realize measurement, fundamentally get rid of the dependence on the boat, avoid the difficulty of the boat in the torrent, the length of cross bar on both sides of the hinge is not equal, and the gravity of the counterweight is matched, the moment of force that the echo sounder end generates can be offset due to the flow impact, reduce the sway of cross bar, the horizontal rotation is realized to the pivot through the turntable, and the hinge realizes the pitch adjustment of cross bar, in combination with the traction of the first buckle ring, the measurement angle and position of echo sounder can be adjusted flexibly, and the posture of cross bar is fixed through the traction cable, avoids the position deviation due to the flow, wind power, guarantees the stability and safety of the measurement process.

The utility model relates to a kind of dough mixer face hopper rotating support structure, including locating baffle and rotating support part located below locating baffle and rotatable to the just below locating baffle and with the abutment of locating baffle, locating baffle is installed in the one side of face hopper overturning direction by fixed plate, rotating support part is installed on the one side frame of dough mixer, rotating support part includes support frame and telescopic mechanism of driving support frame rotation, two rotating sleeve supports that are vertically opposite are intervally set on frame, support frame is rotatably installed between two rotating sleeve supports by vertically arranged rotating shaft, telescopic mechanism includes cylinder support seat and cylinder, cylinder support seat is fixed on frame, the rear seat of cylinder is fixed with connecting seat, rotating hinged between connecting seat and cylinder support seat, the piston rod end of cylinder is rotatably hinged with support frame by connecting buckle.The utility model uses pneumatic rotating support mode, and the locating baffle of face hopper side is abutted and supported, improves the rigidity of face hopper, reduces that piston is seriously worn.

This utility model relates to the field of automotive parts, specifically disclosing an anti-slip structure for automotive foot pedals. It includes a side pedal mechanism comprising an upper pedal and a lower pedal, with a rotating hinge between them. Drainage grooves are formed on the lower surface of both the upper and lower pedals. A power supply mechanism is located on the side of the lower pedal away from the rotating hinge. An embedded groove is formed inside the lower pedal, containing a heating wire connected to the power supply mechanism via a power line. A switch mounting groove is formed on one side of the upper surface of the lower pedal, housing a limit switch. In rainy weather or when there are elderly passengers, rotating the upper pedal outwards causes it to press against the upper surface of a supporting protrusion, thus increasing the contact area between the upper and lower pedals and reducing the possibility of slipping.

A kind of metal pipe material shot blasting processing workstation, including rotary hinge mechanism, pipe material placing mechanism support seat, hydraulic cylinder base, hydraulic cylinder, pipe material clamping mechanism, pipe material placing mechanism, in the utility model, when carrying out shot blasting operation to longer metal pipe material, pipe material is hoisted to pipe material placing mechanism, using pipe material clamping mechanism is clamped and fixed, pellet outlet is located at the four around of pipe material, can carry out shot blasting treatment to pipe material, after being treated, pipe material is lifted by hydraulic cylinder, and is in inclined state, while vibrator is opened, and pellet in pipe material will be poured out, this workstation can be poured in production process, need not secondary handling or transfer to special location, reduce the risk of handling and hoisting, improve production efficiency, and double hydraulic cylinder plays the role of stable operation without deflection.

The utility model discloses a portable folding handcart, including handcart body, the bottom of handcart body is provided with the car chassis, and the upper side of car chassis is provided with the side rail, the side rail is composed of two groups of long rail and two groups of short rail, and is combined and splices between long rail and short rail, the length of long rail and short rail is adapted with the outside dimension of car chassis, and the side of long rail and car chassis is connected through rotating hinge cover, the junction of long rail and short rail is provided respectively with locking peg and combination cover, the front end of car chassis is provided with the handle bar, and handle bar and car chassis junction are provided with pull rod mounting seat. The utility model discloses the car body setting is folding structure and is folded and is placed in the use process conveniently, and the wheel to handle structure can be folded and stored, thereby can save the storage space to the maximum, and with car chassis as the support structure, the structural strength is high.

This utility model relates to the technical field of drying and dehumidifying devices, specifically a low-temperature drying and dehumidifying device for organic fertilizer. It includes a main body, a rotating hinge, a cabinet door, a first drying rack, a second drying rack, and a shaking device. The first drying rack is located inside the main body, and the second drying rack is located above it. A fixing strip is provided on the main body, fixed to the inner wall of the main body. A first slide rail and a second slide rail are formed on the surface of the fixing strip. The shaking device, comprising a first spring and a second spring, is provided on the surface of the first slide rail. This utility model, by incorporating a shaking device, facilitates the shaking and drying of organic fertilizer, avoiding the problem of existing methods where organic fertilizer is placed on a drying rack for dehumidification, resulting in the organic fertilizer sticking to the drying rack surface after drying. This necessitates regular cleaning of the drying rack by operators, which is cumbersome and wasteful. This effectively improves the ease of use of the equipment.

The utility model belongs to folding bicycle structure technical field, especially relates to a bicycle main frame folding locking structure, the steering axle above hinged handlebar connecting frame on the front fork, and the steering axle connecting portion of upper girder front can rotate hinged steering axle left and right, the front wheel is hinged through the front wheel connecting portion under the front fork, the upper girder connecting portion of upper girder rear end and the lower girder connecting portion of lower girder front end can rotate hinged longitudinally, the rear wheel connecting portion of lower girder rear end hinged rear wheel, the rear wheel connecting portion front is equipped with drive structure, the locking structure is that the upper and lower girder connecting portion hinge point is the rotary axis and is docked or opens the upper and lower girder locking connecting portion, the seat tube connecting portion is hinged through quick release axle upper girder locking connecting portion, and the quick release axle one side hinged handle.

The utility model relates to the technical field of paving construction material transportation, and disclose a kind of water stable base layer paving construction material's conveying device, including transport frame A, fixedly arranged conveying mechanism A on the transport frame A, the connecting mechanism A for connecting the transport frame A and paving car material hopper and the support mechanism for being arranged on the transport frame A and playing the role of support, the conveying mechanism A includes driving drum A, the conveyor belt A of being set on the driving drum A and the driving motor A of being fixedly arranged on the side of the transport frame A.The utility model is when paving car works, rotates hinged plate A, lifts the other end of transport frame A to suitable angle, rotates rotating plate A again, adjusts the horizontal angle of transport frame A, sets up transport frame A in the outlet one end of concrete mixer truck, the concrete of outlet end is received by conveyor belt A, realizes the continuous transfer of material between concrete mixer truck and paving car.

This application belongs to the field of wind turbine blade technology, and particularly relates to a blade for a horizontal blade power generation device, including a blade body. The windward area of ​​the front end of the blade body is smaller than the windward area of ​​the rear end of the blade body. The angle between the lower end of the blade body and the horizontal plane is smaller than the angle between the upper end of the horizontal blade and the horizontal plane. This application mounts the blade on a rotating hinge seat and makes the blade hinged to the rotating hinge seat. The blade is lifted by a rope. With the blade structure, the weight of the blade itself is overcome, so that the blade can be made longer, improving the blade's wind energy capture effect, and enabling the horizontal blade wind turbine to generate electricity.

The utility model discloses a kind of garbage can tail door secondary locking device, its composition includes box, fixedly installed fixed hinge and the rotary hinge connected with fixed hinge in the top of box tail, rotary hinge is fixedly connected together with tail door, the two sides of the box and tail door are respectively provided with primary locking device, the bottom of the box and tail door is provided with secondary locking device, the contact surface of the box and tail door is fixedly provided with rubber pad.The utility model is provided with secondary locking device in the bottom of box and tail door, can better carry out secondary locking to tail door, prevent the intermittent between box and tail door, prevent the leakage of garbage or sewage, avoid to cause secondary pollution of environment.

A truss antenna unfolding locking mechanism and device, the locking mechanism comprises a shell, a male hinge head, a torsional spring, a ratchet, a locking steel ball and a volute spring; the shell is the main part of the unfolding locking mechanism and forms a rotating hinge pair with a plurality of male hinge heads; each male hinge head corresponds to a torsional spring and a locking steel ball; each male hinge head forms a rotating hinge pair with the shell separately, and the end of each male hinge head is provided with an opening which is locked under the action of the corresponding locking steel ball; each torsional spring is used to drive the corresponding male hinge head to unfold; the ratchet is located in the shell and is used to push the locking steel ball to move into the opening at the end of the male hinge head under the drive of the volute spring; and the volute spring is used to drive the ratchet to rotate. The present application realizes the locking function after the truss antenna is unfolded and can improve the reliability.

A golf tee assembly includes a base with turf engagement members for ground insertion and a hinged tee holder that pivots when struck by a golf club. The hinge member contains a cavity for removably receiving a tee shaft and rotates about a horizontal axis to deflect upon impact, protecting the tee shaft from damage. The assembly may be manufactured as a single unit using 3D printing.