93results about How to "Loading and unloading safety" patented technology

The invention discloses an automobile press fit die transmission and positioning mechanism, which comprises a positioning plate mounting plate, an assembly transportation positioning plate, a lifting jack and a fixing device, wherein the top surface of the positioning plate mounting plate is vertical to the stamping direction of an automobile press fit die; the assembly transportation positioning plate is mounted on the top surface of the positioning plate mounting plate and faces to a stamping piece in the automobile press fit die; the distance between the assembly transportation positioning plate and the stamping piece is adjustable; the lifting jack is capable of jacking and dropping down the positioning plate mounting plate and the assembly transportation positioning plate; the fixing device is used for fixing the lifting jack. According to the automobile press fit die transmission and positioning mechanism, the height direction and the horizontal direction of the stamping piece transportation positioning mechanism are adjustable, the loading and the discharging of the stamping piece are more stable and safer, and the space is saved; the adjustable positioning mechanism is adopted, the problem that the positioning mechanism intervenes with a press fit cutter block mounting seat and an upper die under the existing die height is solved, and the die height is reduced to 1000 mm, and therefore, the mixed routing manufacturing of different products is realized, the casting cost is reduced, the tool development expense is reduced, and the processing, the detachment, the debugging and the production are facilitated.

The invention relates to a gripper for transportation and storage. The gripper consists of a gripper seat assembly, a square shaft assembly, groove-shaped movable gripping head assemblies and a spine lock assembly, wherein the gripper seat assembly looks like a square with a half capable of being separated and combined, and the gripper seat assembly is fastened integrally through screws and adjusting connecting plates; the square shaft assembly is fastened on square holes for square shafts of the gripper seat assembly through fastening nuts; each groove-shaped movable gripping head assembly looks like a bow, the left and right groove-shaped movable gripping head assemblies can be matched to form a sleeved ring which can be opened and closed, and the groove-shaped movable gripping head assemblies are mounted in hinge pin holes in front ends of the square shafts through hinge pins and can be freely opened at 45 degrees-135 degrees; the spine lock assembly penetrates through round spine lock assembly through holes above the front side of the gripper seat assembly and is fastened on the square shafts through screws. The automatic gravity gripper is generally applicable to transportation and storage, and parts are high in interchangeability and can be produced in batches in a standard manner (the automatic gravity gripper can also be assembled on a liftable trolley and is quick, convenient and safe in object transportation, loading and unloading).

A technology for thermally treating the crankshaft of high-power engine includes such steps as heating to 830-850 deg.c, holding the temp for 2 hrs, quenching in the liquid at 20-55 deg.C for 6-8 min, tempering at 640-660 deg.C for 3 hrs, and air cooling. Its advantage is high comprehensive mechanical performance of treated crankshaft.

The invention relates to a household garbage smashing, winnowing and compressing transportation car. The household garbage smashing, winnowing and compressing transportation car comprises a car chassis which is provided with a garbage collecting and compressing tank, an automatic charging device, a garbage can and a smashing and winnowing device; the garbage collecting and compressing tank is arranged on the tail portion of the car; the garbage can and the smashing and winnowing device are arranged between the head portion and the tail portion of the car; the automatic charging device used for grabbing a roadside garbage can is connected with the side edge of the car chassis below the garbage can; and the smashing and winnowing device used for smashing and classifying the garbage is connected with the garbage can and the garbage collecting and compressing tank. The household garbage smashing, winnowing and compressing transportation car has the beneficial effects that the garbage pretreatment function of garbage smashing and plastic thin film winnowing is achieved, the garbage is stored in different bins after being classified, the sealing performance is good, secondary pollution cannot be caused, the garbage smashing and compressing loading capacity is high, the automation level is high, loading and unloading are safe and reliable, and the work efficiency is high.

A tray-free stacking machine comprises a carrier plate capable of moving left and right, a brick feeding device for feeding every layer of bricks to the carrier plate line by line and a brick collecting device which is arranged on one side of the carrier plate and capable of going up and down. A baffle capable of going up and down is arranged above one side of the carrier plate. The tray-free stacking machine further comprises two separating plates which are capable of going up and down and are arranged at intervals, the two separating plates are arranged above one side of the carrier plate, the arranging direction of the two separating plates is identical to that of the baffle, when the baffle and the two separating plates go down simultaneously, the multiple lines of bricks on the carrier plate can be divided into three separated parts, and two fork ports allowing two steel forks of a forklift are formed among the three parts of bricks. According to the tray-free stacking machine, after brick stacking is completed, the bricks are bound up and fastened tightly through packing belts, the two steel forks of the forklift are inserted into the two fork ports at the moment, and the forklift can carry the bricks away. Through the adoption of the tray-free stacking machine, stacked bricks can be in order and compact, the breakage rate is reduced, assembling and disassembling are convenient and safe, manufacturing factories do not need to purchase a large amount of trays, production cost and transportation cost are further reduced.

The invention relates to the technical field of transportation, in particular to a passenger car trunk luggage automatic loading and unloading system and a control method. The loading and unloading system comprises a base, a main frame, a moving-out frame and a goods shelf arranged on the moving-out frame, and the base is movably connected with the main frame through a fork arm mechanism; the moving-out frame comprises a moving-out rack, a moving-out motor and a moving-out frame cross beam; the main frame comprises a front joint plate and a rear cross beam joint plate which are connected in ahinged mode, the front joint plate is movably connected with the fork arm mechanism, and the rear cross beam joint plate is fixedly connected with the mounting bottom plate of the moving-out motor; the main frame is further provided with a sliding rail in sliding connection with the moving-out rack. One end of the moving-out rack is meshed with the gear of the moving-out motor, and the other end is connected with the moving-out frame beam; the main frame is connected with a goods shelf through a rope wheel mechanism, and the goods shelf is connected with the moving-out rack. The safety, convenience, comfort and intelligent degree of trunk luggage loading and unloading are improved.

The 80-ton adjustable large sling includes one rectangular support frame comprising transverse beams and longitudinal beams, two long hangers mounted onto the longitudinal beams, suspending sets in the ends of hangers, pinch wheels and guide wheels in the joints between long hanger and longitudinal beam, one towing shifter on the joining beam for towing long hangers, support legs below the ends of the longitudinal beams, and one hanging plate with holes for hoisting steel cables to pass through. The sling has high adaptability, convenient operation, capacity of raising hoisting efficiency and high large goods hoisting safety and reliability.

The invention provides a forklift working device with a lifting mechanism. The forklift working device comprises a portal. The portal is arranged in an outer portal in an up-down sliding mode. A lifting air cylinder is arranged in the outer portal and connected with the portal. Limiting stoppers are arranged on the two sides of the top end of the portal. A rotator is arranged on the portal. The rotator is arranged on the portal in an up-down sliding mode through sliding parts on the two sides. An outrigger is arranged on the rotator and rotatably arranged on the portal through the rotator. The lower end of the outrigger is connected with the rotator. A push-pull air cylinder is arranged between the upper end of the outrigger and the rotator. Two sliding guiding devices are arranged on the outrigger. A distance adjusting device is arranged between the two sliding guiding devices. Each sliding guiding device is connected with a pallet fork. Each pallet fork is provided with a plurality of elbows used for adjusting the shape of the pallet fork. The forklift working device with the lifting mechanism is convenient to operate and maintain, high in production efficiency, low in operation cost, safe and reliable in operation and capable of lowering the accident rate, being used for multiple purposes, reducing equipment repeated purchase by users and effectively saving money.

The invention relates to a movable regulation plate which can move expediently, form seamless bridge between a platform and a freight car, and carry out forklift handing. The invention comprises a movable under frame, a mesa, a slope, a cylinder and a manual oil pump. The invention mainly adds a trundle on the under frame and a link slope and adopts the manual oil pump as motion. The invention can be used for carrying out loading and unloading work in any position conveniently and needs no transformation on the platform.

The invention relates to a novel leakage-proof vacuum tube solar heat collector. The novel leakage-proof vacuum tube solar heat collector comprises a heat preservation device, a heat collection device and a fixing device. The heat collection device is integrally fixed through the fixing device and transmits heat into the heat preservation device to be stored and to supply the heat to the outside. The heat preservation device sequentially comprises a united collection box, a heat preservation box and a heat preservation box shell from the inside to the outside. The heat collection device comprises all-glass vacuum tubes, superconducting heat tubes and a reflector. One end of each superconducting heat tube is placed in the corresponding all-glass vacuum tube, and the other end of each superconducting heat tube is inserted into the corresponding inserting groove of the united collection box. The all-glass vacuum tubes are placed in installing holes of a frame body of the fixing device. According to the novel leakage-proof vacuum tube solar heat collector, the phenomena of water flowing, water leaking and scale forming inside the all-glass vacuum tubes are avoided, and the heat efficiency of the solar heat collector is stable; moreover, the superconducting heat tubes have the frost resisting performance and the anti-overheating performance, and thus the problems of high temperature under the no-load condition and freezing frost cracks in high-cold areas due to a solar heat collector manufactured through the prior art can be thoroughly solved; in addition, the novel leakage-proof vacuum tube solar heat collector is high in pressure-bearing capacity and stable in operation.

The invention proposes a forklift with steel pipe clamps, which includes a car body with a driver's cab, a solar panel installed on the roof of the driver's cab, a door frame at the front end of the car body, and a rotating door frame on the door frame. The rotator slides up and down on the door frame through the sliding parts on both sides, the rotator is provided with a fork frame, the fork frame is rotated and set on the door frame through the rotator, the lower end of the fork frame is connected with the rotator, and the upper end of the fork frame is connected with the door frame. There is a push-pull cylinder between the rotators, two sliding guides are provided on the fork frame, and a distance adjustment device is provided between the two sliding guides. Each sliding guide is connected to a fork, and the fork is provided with A plurality of bent joints for adjusting the shape of the cargo fork, fastening bolts are provided at both ends of the bent joints, slide rails are provided on both inner sides of the mast, a rotating shaft is provided between the two slide rails, and a control cylinder is provided on the steel pipe clamp. The forklift with steel pipe clamp is easy to operate and maintain, has comprehensive functions, safe and reliable operation, reduces the accident rate, and can be used for multiple purposes.

The invention discloses an assembly and disassembly device and an assembly and disassembly method of a weight balancing arm for testing a wind power pitch bearing. The device comprises a weight balancing arm assembling and disassembling device and a hydraulic control system, wherein a travelling wheel I and a travelling II are arranged on a fixed rail; a driving arm is arranged on a shaft of the travelling wheel I; a swing arm is arranged on a shaft of the travelling wheel II; a parallelogram mechanism is formed by a pull rod and a base; a lifting hydraulic cylinder is arranged between the base and the driving arm; an advancing and retreating hydraulic cylinder is arranged on a fixed support on a foundation through a lug shaft, and the head part of the advancing and retreating hydraulic cylinder is connected with the base; the hydraulic control system consists of an oil tank component, an oil supply system, an advancing and retreating oil cylinder hydraulic system and a lifting oil cylinder hydraulic system; the advancing and retreating oil cylinder hydraulic system is used for controlling the weight balancing arm to advance and retreat and making the assembly and disassembly device floated; and the lifting oil cylinder hydraulic system is used for controlling the assembly and disassembly device of the weight balancing arm to ascend and descend and keeping pressure, so that the synchronous action of the two hydraulic cylinders is ensured, and low pressure and system pressure in the lifting process can be switched for two times. The device and the method have the advantages of efficient, safe and automatic weight balancing arm assembling and disassembling processes.

The invention provides a forklift with inclined cylinders. The forklift comprises a gantry; two sides of the lower part of the gantry are respectively connected with the inclined cylinders; the gantry is provided with a rotating machine; the rotating machine is arranged on the gantry in a manner of sliding up and down through slide parts on two sides; a fork frame is arranged on the rotating machine, and is rotationally arranged on the gantry through the rotating machine; two slide guide devices are arranged on the fork frame; a distance adjusting device is arranged between the two slide guide devices; each slide guide device is connected with a goods fork; the goods fork is provided with multiple bent joints for adjusting the shape of the goods fork; and fastening bolts are arranged at two ends of the bent joints. The forklift with the inclined cylinders is convenient in operation and maintenance, high in production efficiency, low in operating cost and safe and reliable in operation, reduces the accident rate, can achieve multiple purposes on one machine, reduces repeated purchase by user equipment, and effectively saves funds.

The invention discloses a grinding device with a quick-disassembly structure. The grinding device comprises a grinding head and a grinding cutter, wherein a driving rod is arranged in the grinding head; a cutter bar is arranged in the driving rod and comprises a cutter bar body, and a plurality of through holes are formed in the front end of the cutter bar body along the circumference; a locking device is arranged in the cutter bar and comprises an upper locking piece and a lower locking piece; an accommodating space is reserved between the upper locking piece and the lower locking piece; a plurality of balls are arranged in the accommodating space; an upper fixing ring is arranged in a middle hole of the grinding cutter; a tapered hole matched with the cutter bar is formed in the upper fixing ring; an annular limiting bulge is arranged in the middle of the tapered hole; and an annular positioning groove matched with the balls is formed below the limiting bulge. The grinding device can realize quick connection and disassembly between the cutter and the grinding head, is difficult to wear, can save more space, is convenient to maintain, saves the cost, and improves the efficiency.

The invention relates to a petroleum machinery maintenance device, in particular to a blowout preventer turning system for turning a blowout preventer during maintenance and cleaning. The blowout preventer turning system comprises a base (1), a bearing turning frame (2), a hydraulic tuning oil cylinder (3), a hydraulic station assembly (4) and an electric control device (5); the bearing turning frame (2) is transversely hinged on the base (1); the cylinder body (31) of the hydraulic tuning oil cylinder (3) is hinged on the base (1), and the end part of the piston rod (32) of the hydraulic tuning oil cylinder (3) is articulated with the bearing turning frame (2) to push and pull the bearing turning frame (2) to turn; the hydraulic tuning oil cylinder (3) is connected with the hydraulic station assembly (4) through a high-pressure oil pipeline; and the hydraulic station assembly (4) is connected with the electric control device (5). The blowout preventer turning system is time-saving and labor-saving to use, safely and reliably turns a ram preventer, a drill spool and other heavy devices in maintenance or cleaning, improves the production efficiency, ensures safe production and fills a blank in the blowout preventer maintenance field at home and abroad.

A fork-type dual bale lift has both longitudinal and machinery pivots. A frame structure is mounted on a vertically swinging load support. A boom member is coupled to the frame structure through a pair of bearings and is pivotal about the longitudinal machine axis. At the ends of the boom member are bale supports that are operative to pierce and support a large bale for lifting and transport. A hydraulic cylinder is used to control the pivotal orientation of the boom about the longitudinal machine axis, and thereby allow an operator to selective raise one of the two bale supports while simultaneously lowering the other of the two bale supports. At the extremes of boom rotation, the lower of the two bale supports additionally engages with the frame structure to provide increased strength and stability during loading and unloading, and to reduce stress on the bearings during transport.

Disclosed is a transportable cake carrier that protects tall, multilayer pastry products from the perils of unexpected turns, uneven pavement, pot-holes and sudden stops of the vehicles doing the delivery. In addition to vehicle borne perils the new and unique carrier addresses ease of placement and removal of the pastry from the carrier, keeping the pastry refrigerated and placement and removal of the carrier from the vehicle. A unique combination of tying the top, base, pedestal and layer separators firmly together, with a sturdy, easy to clean and reusable housing and outstanding human engineering make transport damage a thing of the past. In addition this unique carrier fulfills the spirit of federal LEEDs sustainability requirements with completely reusable components and by keeping ruined product out of the landfills.

The invention relates to a method for packaging a high-furnace cooling wall, comprising the following steps: overlapping the outer walls of two high-furnace cooling walls back to back so that an inletand outlet pipe opening is protected by the two cooling walls; installing a prefabricated packaging bracket on a packaging cross arm of each cooling wall so that the two cooling walls form a firm integrity with an inward outer wall convex cambered surface inlet and outlet pipe opening and an outward inner wall concave cambered surface to ensure safety and reliable storage, transportation as wellas assembly and disassembly, wherein the packaging cross arm of each cooling wall is made of round steel or profile steel; the packaging cross arms of the two cooling walls are respectively arranged at the left side and the right side of the cooling wall with a space of 20-90 percent of the length of the cooling wall, and cast together with a high-furnace cooling wall body to ensure that the packaging bracket obtains a firm and effective fulcrum; the packaging bracket of the cooling wall is made of profile steel or the whole block of steel plate and welded with the packaging cross arm of the cooling wall or fastened together with a screw.