67results about How to "Stable and safe lifting" patented technology

The invention discloses an electric turning bed for patients suffering from burns and scalds and a treating method. The electric turning bed is composed of a thermal radiation device, a bed board lifting device, a bed board turning device, a bed board up and down device and a bed board conveying device. The invention further discloses a treatment method by means of the electric turning bed for the patients suffering from the burns and scalds. According to the electric turning bed for the patients suffering from the burns and scalds, the turning mechanism achieves full automatic and semi-automatic control, and use is convenient; after an outer casing is arranged on the equipment, aseptic isolation or special treatment can be adopted inside, non-contact operation can be achieved for both passing in and out, non-contact type turning or changing is achieved, and the situation that the patients are infected with gems carried by medical staff is avoided.

Disclosed is a stacking and unstacking machine for transferring pallets for autoclaved aerated concrete products. The stacking and unstacking machine comprises a rack, a horizontal traveling mechanism, a vertical lifting mechanism and a gripping mechanism, wherein the horizontal traveling mechanism is disposed on the rack; the vertical lifting mechanism is disposed on the horizontal traveling mechanism; the gripping mechanism is disposed at the lower end of the vertical lifting mechanism; the horizontal traveling mechanism can drive the vertical lifting mechanism to move horizontally; the vertical lifting mechanism can drive the gripping mechanism to ascend or descend; the gripping mechanism is used for gripping and releasing the transferring pallets; the vertical lifting mechanism comprises a winding drum and four steel wire ropes which are wound on the winding drum; one end of each steel wire rope is connected with the winding drum, and the other ends of the steel wire ropes are correspondingly connected with the four corners of a gripping rack in the gripping mechanism respectively; the winding drum is driven through a lifting driving device; four gripping hooks are disposed on the lower end face of the gripping rack; the four gripping hooks can simultaneously clamp or release the transferring pallets. The production efficiency is high, the maintaining cost is low, and the demand for automatic safe production can be met.

The invention relates to a hoisting method of an ultra-large cirque part. The method comprises the following steps that (1) a plurality of auxiliary hoisting tools are fixed at the circumference of the external circumferential edges of an ultra-large cirque part horizontally arranged; (2) a hoisting device with main hooks and auxiliary hooks are moved to the ultra-large cirque part, the cable wires on the main hook round the external circumference of the art and are clamped on the auxiliary hoisting tool, and the cable wire on the auxiliary hook passes through the internal round of the part; (3) the auxiliary hook is lifted with the ultra-large cirque part being gradually pulled from horizontal state to vertical state; (4) the main hook is lifted to lead the cable wire on the main hook to be tightened, thus leading the main hook to bear the weight of all the whole ultra-large cirque part; (5) the auxiliary hook is loosened, and the ultra-large cirque part is hoisted and pulled to the installation position by the main hook. By the arrangement of the structure and the method, large or even ultra-large cirque parts can be easily hoisted without affecting that the parts takes internal holes as the installation positions and damaging the part; furthermore, the invention has the advantages of stable and safe hoisting and high efficiency.

The invention aims to provide a fire fighting rescue vehicle. The fire fighting rescue vehicle comprises a body, an aerial work platform which is provided with a fire extinguishing device, an X-Y hydraulic slipway arranged at the upper end of the body, a rotary table arranged at the upper end of the X-Y hydraulic slipway, a connecting base which is arranged on the rear side of the upper end of therotary table and provided with an escape through hole, a support cylinder hinged to the front side of the upper end of the rotary table, a support frame of which the middle part is hinged to a pistonrod of the support cylinder, an escape route of which the both ends are connected to the connecting base and the rear end of the aerial work platform separately, and four hydraulic lifting arms whichare distributed along the escape route, and the both ends of each hydraulic lifting arm are hinged to the front end of the connecting base and the rear end of the aerial work platform separately; thefirst hydraulic lifting arm and the second hydraulic lifting arm are horizontally arranged side by side, and the third hydraulic lifting arm and the fourth hydraulic lifting arm are vertically aligned; and the both ends of the support frame are connected to the first hydraulic lifting arm and the second hydraulic lifting arm correspondingly. The fire fighting rescue vehicle is high in rescue efficiency of trapped persons, and can also be used for fire extinguishing.

The invention discloses a reversed-V-shaped deflector rod. The reversed-V-shaped deflector rod comprises a steel wire rope, a transmission, a main rod auxiliary fixing frame, a main rod hydraulic jacking, a servo motor, a rotating shaft, a second auxiliary fixing frame and a telescopic leg. The bottom end of a first hydraulic jacking is fixedly provided with a first auxiliary fixing frame. The front side of the first auxiliary fixing frame is provided with the main rod auxiliary fixing frame. According to the reversed-V-shaped deflector rod, a telescopic rod, a second hydraulic jacking and a sealing outer tube are arranged, the telescopic rod can be contracted conveniently, the problem that a common reversed-V-shaped deflector rod cannot be conveniently conveyed and stored owing to the too long length is solved, the servo motor is arranged, automatic lifting is achieved, the problems that when the common reversed-V-shaped deflector rod lifts a telegraph pole, the transmission needs to be rotated by manpower, the manual labor intensity is improved, and the efficiency of lifting is reduced are solved, the main rod auxiliary fixing frame, the first auxiliary fixing frame and the second auxiliary fixing frame are arranged, the ground contact area can be increased, and lifting can be safer and more stable.

The invention discloses a plate-shaped columnar part hanging auxiliary tool for machinery production. The plate-shaped columnar part hanging auxiliary tool comprises a main frame, a top clamp plate and a bottom clamp plate, wherein the top clamp plate is welded at the upper position of the main frame; the bottom clamp plate is welded in the lower part position of the main frame; a clamping screw bolt is screwed and connected in the middle part of the top clamp plate; the bottom of the clamping screw bolt is rotationally matched with a movable clamp head through a bearing; a hanging screw rod is arranged on the main frame in a penetrating way; the top of the hanging screw rod is provided with a columnar material hanging lug; a plate material hanging lug is welded in a position at one end of the top clamp plate; a through screw rod screw hole is formed in the main frame, and is matched with the hanging screw rod. The plate-shaped columnar part hanging auxiliary tool for machinery production has the advantages that the structure is relatively simple; the assembly is convenient; the manufacturing cost is lower; the operation is easy; the plate-shaped columnar part hanging auxiliary tool can be used for hanging plate material parts and columnar parts; the application range is wide; the universality is good; the types of hanging tools used in production and processing workshops can be favorably reduced; the plate-shaped columnar part hanging auxiliary tool is worthy of being popularized.

The invention relates to a carriage for assisting in transporting goods, belonging to the field of vehicle accessories. The carriage comprises a carriage, a partition, a slider, a first rod, a secondrod, a fixing block, a sliding slot a pusher, a hydraulic system, a first power supply, a control box, a manipulator, a fixing sleeve, a rotating shaft, a first motor, a coupling, a roller, a belt, abearing, a door, a second power supply, a second motor, a third rod and a fourth rod. The device realizes layered placement by using partition, and improves the utilization rate of compartment space.By installing a conveyor belt in the door of the vehicle, the lifting of the goods can be facilitated and the goods can be transported into the compartment. By installing a manipulator on the side ofthe vehicle door to realize the auxiliary handling of the goods, the handling cost and time can be saved, and the labor force can be liberated. The rod group is made of high strength steel with high strength and strong bearing capacity. Lifting and lowering of the partition is controlled by the hydraulic system, which is more stable and safer.

The invention discloses a lifting mechanism of a frame splitting machine for industrial aquaculture. The lifting mechanism comprises a lifting body, a sliding block body and a lifting screw rod assembly, wherein the lifting body is connected with the sliding block body, the sliding block body is positioned on the lifting screw rod assembly, and the lifting screw rod assembly drives the lifting body to slide up and down through the sliding block body. According to the lifting mechanism, the overall structural design is ingenious and reasonable, a driving motor drives a lifting screw rod to rotate through a gear conversion box, so that the lifting of the sliding block body is achieved to drive the lifting of the lifting body, the step-by-step separation between a lower culture frame and an upper culture frame stack is achieved, the assembly and disassembly of the culture frame stack is more convenient, the assembly line operation of cocoon collection in the culture frame is achieved, thewhole operation is more automated, and the labor intensity of workers is effectively reduced; and the lifting screw type lifting is adopted, the stability in the lifting process of the lifting body can be effectively guaranteed, the lifting process of the lifting body is more smooth and stable, collision caused by swinging of the lifting body in the lifting process is avoided, and the operation safety performance is improved.

The invention discloses two-layer simple lifting parking equipment. The two-layer simple lifting parking equipment comprises lifting frames, a vehicle carrying plate and a chain transmission device, adriving chain of the chain transmission device is transversely arranged along the vehicle carrying plate, lifting chain wheel sets are arranged on the vehicle carrying plate, and a chain balance system and a steel wire rope balance system are arranged on the lifting frames. According to the two-layer simple lifting parking equipment, the structure is simple, lifting is safe and stable, moreover,the lifting frames with lifting devices are additionally arranged on traditional parking space, so that the double-layer parking of the vehicle is realized, and meanwhile, the stability of the vehiclein the lifting process is ensured by designing the chain balance system and the steel wire rope balance system on the lifting frames.

The invention belongs to the technical field of steel coil transport, in particular relates to a coil receiving device for a chain steel coil transport system. The invention is characterized in that the device comprises a foundation, a base, saddles and drive cylinders, wherein, the foundation is arranged at the both sides below a transport chain; the base is mounted on the foundation; both sides of the base are respectively provided with one drive cylinder; the piston rod of each drive cylinder is connected with a saddle, and the two saddles are distributed at the two sides of the transport chain; the saddles are lower than the transport chain when the piston rods of the drive cylinders are not raised, and the saddles are higher than the transport chain when the piston rods of the drive cylinders are raised to a limit position. The invention is capable of putting the steel coil on the transport chain slowly and stably to reduce the impact of the steel coil on the transport chain, so as to protect the transport chain; the saddles are dropped to a lower limit position, the height thereof is lower than the transport chain, and the transport chain runs normally without being influenced; the saddles are V-shaped, the bottom is provided with a lifting guide pillar so that the saddles are stably and safely lifted, and the whole device has a simple and practical structure, and low cost.

The invention provides a manufacturing method of a mold for 3D printing of a sand mold. The manufacturing method comprises the following steps: carrying out three-dimensional design on the mold, and preparing the mold by adopting a sand mold 3D printer; subjecting the printed mold for the sand mold to infiltrating with a reinforcing liquid; and subjecting the mold to numerical control cutting machining to obtain a qualified mold. According to the manufacturing method, structural adaptability is high, weight is light, the casting and machining links of a traditional metal mold are omitted, rapid and low-cost manufacturing of the mold for sand mold casting is achieved, and the manufacturing method can be used for small-batch to medium-batch casting production.

The invention provides a hanging structure and hanging method of a 3D printing sand core. The hanging method is implemented through the hanging structure, and comprises the following steps of in the design process of the 3D printing sand core, a lifting hole groove is reserved in the sand core, wherein the lifting hole groove is located at the middle upper part of the sand core, and the opening ofthe lifting hole groove is located on the upper surface of the sand core; the lifting hole groove is composed of a lifting appliance loading hole and a lifting appliance supporting groove, the lifting appliance loading hole extends into the sand core, and the lifting appliance supporting groove is out of position with the lifting appliance loading hole but communicates with the tail end of the lifting appliance loading hole; and the lifting hole groove is matched with a lifting appliance, wherein the lifting appliance enters the lifting hole groove from the lifting appliance loading hole andthen is clamped and fixed through the lifting appliance supporting groove, and finally the sand core is lifted through lifting the lifting appliance by external lifting equipment. According to the hanging structure and hanging method of the 3D printing sand core, the problem that a sand core lifting structure cannot be pre-buried in the lifting process of a large-sized 3D printing sand core can beeffectively solved, the lifting hole groove is matched with the the lifting appliance, the lifting process is safe and stable, lifting is convenient, and popularization and utilization can be facilitated.

The invention relates to a lifting device special for large steel plates, and belongs to the field of hoisting tools. Specifically, the device adopts electromagnet adsorption, and a clamp clamps the edges of the steel plates, so that hoisting is facilitated. The multiple lifting devices are used simultaneously, the safety is improved more greatly, and the work efficiency is improved; the steel plates do not make direct contact with steel wire ropes in the hoisting process, abrasion and strand breaking of the steel wire ropes are avoided, the service life of the steel wire ropes is prolonged, and the potential safety hazards are eliminated; in the hoisting process, the lifting device applies certain locking force on the steel plates, the steel plates are not likely to slide, and the hoisting process is stable and safe; and the overall structure is compact, operation is convenient, safe and fast, the working intensity of workers is reduced, and the personal safety of the workers is ensured.

The invention discloses a protective device for a cleaning machine, comprising a stand, a protective cover and a driving tank which is arranged on the stand and used for driving the protective cover to lift and fall; the protective cover is connected to an expandable end of the driving tank; and more than one guiding mechanism is arranged along the peripheral side of the outer wall of the tank body of the driving tank. The protective device for the cleaning machine, provided by the invention, has the advantages of simple and compact structure, low cost, convenience for installation, good movement stability as well as safety and reliability in working.

The invention discloses a positioning system used for feeding conveying of a multi-varieties and small-batch part automatic production line. The positioning system comprises a tray, a bearing plate, aroller conveying device, a movable positioning assembly, a lifting positioning device and a fixed positioning assembly. The bearing plate is arranged on the tray. The tray is arranged on rollers of the roller conveying device. The lifting positioning device cooperates with the bearing plate. The movable positioning assembly and the fixed positioning assembly cooperates with the tray. By arrangingtwo tray positioning mechanisms, namely, the movable positioning assembly and the fixed positioning assembly, stability and precision of whole feeding conveying are ensured; through cooperation of the lifting positioning device, fixation compact in structure and high in reliability can be achieved for the two-layer plate type tray. By arranging limiting pin and limiting groove cooperation mechanisms between the tray and the bearing plate, stable fixation between the tray and the bearing plate is ensured, and therefore it is ensured that the subsequent conveying process is stable.

The invention discloses a heavy fixture suitable for transfer of a cylindrical thin shell and an application method thereof. The furniture comprises a base, clamping jaws and power devices for pushingand pulling the clamping jaws, wherein the bottom of the base is provided with an arc-shaped clamping plate, the shape of the clamping jaws is matched with the shape of the arc-shaped clamping plate,the pair of clamping jaws are symmetrically connected to the bottom of the base relative to the arc-shaped clamping plate, the upper ends of the two clamping jaws are hinged with the power devices, the arc-shaped clamping plate at the bottom of the base simultaneously serves as a sliding rail during movement of the clamping jaws, and the power devices push the clamping jaws to move along the sliding rail so as to realize the operation of clamping and loosening a product. The clamping jaws can almost slide to the maximum coated clamping position against the outer wall of the cylindrical thin shell, so that guarantee is provided for safe and stable hoisting and transfer of the product; the clamping jaws can slide along the outer wall of the cylindrical thin shell, so that the fixture can clamp the cylindrical thin shell under the condition that the space gap is small; and a matched rigid hoisting mechanism can enable a travelling crane or a crane to stably and safely hoist the cylindrical thin shell under the condition that the space gap is small.

The invention discloses a paired linear guide rail adjusting device. The paired linear guide rail adjusting device comprises a frame. A pair of linear guide rails a and a pair of linear guide rails b are vertically and symmetrically mounted on the opposite two sides of the frame. Slide ways of the pair of linear guide rails a and the pair of linear guide rails b are each provided with a sliding block in a matched manner. The sliding blocks on the pair of linear guide rails b are each connected with a telescopic structure with a disc spring. The telescopic structures with the disc springs are connected with corresponding lifting frames. Each lifting frame is connected with movable fixed wheel sets through a steel wire rope. The problem that linear guide rails generate lateral deviation due to heavy objects when being used vertically is solved. A paired guide rail adjusting method is easy and convenient to implement.