33results about How to "Offset weight" patented technology

The invention discloses an automatic stereoscopic storage device. The automatic stereoscopic storage device comprises a stereoscopic storage rack. A plurality of sets of trolley brackets are fixedly arranged in the stereoscopic storage rack in an array mode and are spaced from one another in the longitudinal direction. Each trolley bracket can carry one trolley. A trolley lifting unit which can move up and down is arranged on the front side of the stereoscopic storage rack and can move to be sequentially aligned with the trolley brackets in the height direction. The trolley lifting unit can carry one trolley. The automatic stereoscopic storage device is simple in structure; and the stability of up-down movement of a lifting cantilever is ensured through an integral structure formed by a front sliding block, a rear sliding block and lateral sliding blocks. A chain balance weight is arranged in a hollow guide stand column and is guided and limited by the inner wall of the guide stand column so that the chain balance weight can only move in the extension direction of the guide stand column without being distributed by outside factors, and the stability of the automatic stereoscopic storage device is improved.

The invention discloses a double-roller linkage winding type lifting system. The double-roller linkage winding type lifting system comprises a first lifting roller and a second lifting roller, and thefirst lifting roller and the second lifting roller are in engaged linkage through an engagement structure on the outer circumference or are in linkage through linkage middleware; the first lifting roller is wound with a first lifting rope, the second lifting roller is wound with a second lifting rope, and the first lifting rope and the second lifting rope are not connected with each other. The double-roller linkage winding type lifting system can increase the energy efficiency ratio of an extradeep well lifting system.

The invention discloses a refrigerator shelf and a refrigerator applying the same, and relates to the technical field of refrigerators. The shelf comprises two supports installed in parallel and a shelf body, wherein the cross section of each support is of an n-shaped structure, a plurality of square holes are evenly distributed in a corresponding protruding face of each support, corresponding sliding grooves are formed in the two adjacent side faces of each protruding face in a penetrating mode, each protruding face and the two corresponding side faces form a corresponding sliding way, the two opposite ends of each sliding way are closed, screw rods and polished rods are mounted in the sliding ways in parallel correspondingly, supporting flanges are arranged on the two opposite sides of the shelf body correspondingly, limiting blocks and protruding blocks are arranged on the end faces of the supporting flanges correspondingly, the protruding blocks are inwards and rotationally provided with sliding blocks correspondingly, through holes are formed in the sliding blocks correspondingly, the shelf body is mounted on the two supports in a sliding manner, the polished rods are sleevedwith elastic elements, push blocks are installed on the screw rods in a matched mode, two corresponding supporting rods are symmetrically arranged on one side edge of each push block, and the two corresponding supporting rods of each push block can push the corresponding sliding block to move upwards. According to the shelf, the screw rods, a motor, a transmission mechanism, the polished rods, thesliding blocks and the elastic elements form a sliding assembly, and the problem that an existing refrigerator shelf is inconvenient to move up and down is solved.

The invention discloses a louver which comprises an upper beam, a lower beam, side tracks and shutters.The shutters are arranged in hollow glass, balancing weights for balancing the weight of shutters are arranged in the side tracks, the hollow glass is composed of two pieces of glass and partition strips between the two pieces of glass, the partition strips are connected with the side tracks, the balancing weights are made of an iron material, bases are arranged at the bottoms of the side tracks, first magnets are arranged on the upper end faces of the bases, and multiple second magnets are uniformly distributed at the upper portions of the partition strips.The louver is provided with the second magnets at the upper portions of the partition strips, accordingly can attract the balancing weights to the upper portion so as to make the balancing weights and the side tracks produce a larger frictional force and further offset the self weights of the balancing weights, it is ensured that the louver can stay at the bottommost end, and the louver is simple in structure and easy to achieve.

A wind driven generator using magnetic suspension of permanent magnet is disclosed. It includes a fame, a mechanical bearing(3), a shaft(2) and a rotor assembly(1), wherein said shaft is horizontal, said rotor assembly is placed at the front of the shaft, said shaft connects with the frame by the mechanical bearing, one or more sets of permanent magnetic suspension mechanisms are set between the rotor assembly and the mechanical bearing, said permanent magnetic suspension mechanism includes a magnet and a corresponding magnet which are both set around the shaft and fixed respectively to the shaft and the frame, and there is a position offset between the magnet and the corresponding magnet to produce magnetic force upwards against the weight of the rotor assembly. The wind driven generator has the advantages of simple structure, lower start up wind speed and higher output power.

The invention discloses an aqueous suspension antigravity multifunction power generation device which comprises a fixed seat, an auxiliary vane mechanism, a rotating body, an energy conversion device which is matched with the rotating body and a buoyancy weight saver which is designed integrally with the rotating body. The aqueous suspension antigravity multifunction power generation device has the advantages that an energy conversion rate is close to 100%. The structure is simple, the aqueous suspension antigravity multifunction power generation device can be big or small, a frame structure is utilized, and the aqueous suspension antigravity multifunction power generation device is small in wind pressure, can resist a super typhoon, and can be operated the whole day in bad weather. A metal fatigue phenomenon is not produced. A universal structure is utilized, and an attack angle does not need to be regulated. The buoyancy weight saver is used for offsetting weight of the rotating body, and thus the rotating body can be rotated in weak fluids. Resources are rich, and the power generation device can be used in places with water flowing and wind flowing. Construction cost is low, and the power generation device is economical, practical and environment-friendly.

The invention discloses a follow-up tool magazine mechanism capable of reducing deformation of a cross beam, and belongs to the technical field of machinery. The base is fixed on the ground through foundation bolts, the fixing support is fixed on the base through screws, the follow-up shaft is inserted into the fixing support from the top, a supporting sleeve and a combined sealing ring are arranged between the fixing support and the follow-up shaft, the end portion of the follow-up shaft is sleeved with a flange plate for sealing the fixing support, the end portion of the follow-up shaft is sleeved with a follow-up support, the end of the follow-up support and a tool magazine rotating shaft moving along with the tool magazine are combined together, a spherical washer and a conical washer are arranged between the follow-up support and the follow-up shaft in a sleeved mode, an oil cavity is formed in the follow-up shaft, an oil inlet hole is formed in the bottom end of the follow-up shaft, and a gap exists between a shaft cavity of the fixed support below the supporting sleeve and the follow-up shaft; a connector communicated with an inner shaft cavity of the fixing support is arranged below the supporting sleeve; pressure oil is injected into the fixing support through the connector; and by adjusting the pressure of the pressure oil, the weight of the tool magazine moving along with the cross beam is counteracted in the lifting process of the cross beam, so that deformation of the cross beam is reduced.

The invention provides an electric running-aiding device, belonging to the technical field of wearable devices, and in particular relates to a running-aiding device. The electric running-aiding device mainly comprises power devices, a fixing board and a controller, wherein the two power devices with the same structure and function are distributed in a left-right symmetric manner; each power device comprises a propeller, a motor, a protective shield and a telescopic pipe; the upper end of the telescopic pipe is fixedly connected with the protective shield and the motor, and the lower end of the telescopic pipe is connected with the fixing board. The fixing board plays the role of fixing the device to the body of a user. A battery is mounted in the middle of the fixing board; the controller comprises a CPU, a miniature pressure sensor and a receiver. In use, the user wears the running-aiding device, the CPU controls the rotating speed of the motor, and then the lifting force is adjusted. The electric running-aiding device is suitable for being used when the traffic is crowded during holidays and festivals, or the device can be used by people loving hiking, excursion trip or mountain climbing, and is also suitable for firefighters to climb high-rise buildings to perform rescue. The electric running-aiding device is simple in structure, and part of the human weight can be counteracted, so that a person can walk or run briskly.

The invention provides a double-rod ship seakeeping performance tester, comprising a support frame and a first test rod and a second test rod arranged on the support frame, the first test rod and the second test rod can be connected with the ship model, It is characterized in that: the support frame is provided with a steering drive mechanism capable of driving the support frame to turn, both ends of the support frame have perforations, and the first test rod and the second test rod are respectively pierced through the In the perforation, the first test rod and the second test rod can move up and down in the perforation, and a displacement sensor capable of detecting the lifting amount of the first test rod and the second test rod is also included. With this structure, it can not only measure the dynamic operation data of the ship, but also measure the attitude data of the ship, and also has high durability. Compared with the existing equipment, it has been greatly improved, and can be better applied to ship design work.

The invention provides a visual art work display device, which relates to the technical field of work display. The visual artwork display device includes: a base; a mounting plate, the mounting plate is connected to the base through a bracket mechanism; a suction cup mechanism with a support range adjustment function, and the suction cup mechanism with a support range adjustment function and the mounting plate. The display device for visual art works provided by the invention has the advantages of high flexibility and wide application range.

The invention discloses a refrigerator shelf and a refrigerator using the same, and relates to the technical field of refrigerators. The present invention comprises two brackets and shelves installed in parallel. The cross-section of the bracket is a zigzag structure. A number of square holes are evenly distributed on the raised surface of the bracket. Slide grooves run through the adjacent two sides of the raised surface. The starting surface and the two side surfaces form a slideway, and the opposite ends of the slideway are closed; the screw rod and the polished rod are installed in parallel in the slideway; the opposite sides of the shelf are provided with supporting flanges, and the end faces of the supporting flanges are provided with limit blocks and The bump is rotated inwardly to install a slider, and a through hole is opened on the slider; the shelf is slidably installed on the two brackets, and an elastic element is sleeved on the polished rod; a push block is installed on the screw rod, and the push block Two supporting rods are symmetrically arranged on one side, and the two supporting rods can push the slider to move upward. In the present invention, the sliding assembly is composed of screw rods, motors, transmission mechanisms, polished rods, sliders and elastic elements, which solves the problem that the existing refrigerator shelves are inconvenient to move up and down.

The invention discloses a cam-driven light-weight trapping device for deep-sea organisms, which includes trapping cages and folding doors respectively connected to the trapping cages, a door closing mechanism, a power supply control mechanism, and a multi-spectrum lure lamp. The top of the folding door is provided with a guide column. , There is a U-shaped groove on the top of the opening of the trapping cage, and the guide post passes through the U-shaped groove to connect with the door closing mechanism. The door closing mechanism includes a concave shell, a guide block, a motor, a cam, and a guide post on the top of the concave shell. , the elastic pressing device is set in cooperation with the guide hole on the guide block to play the role of limit and compression. The bottom of the guide block is provided with a limit post and a guide post limit post. The cam set at the bottom of the limit post is connected to the motor, and the motor It is connected with the power control mechanism, and the guide post limit post is used to limit the guide post to keep the folding door open. The contact surface between the guide block and the concave shell is provided with a split hole, and the boss of the concave shell is provided with bolts. The guide posts are connected by a tension device.

The invention discloses a steel pulling method. The steel pulling method is characterized in that a steel pulling trolley with a purely mechanical steel pulling mechanism is arranged on guide rails of the steel pulling trolley; the mechanical steel pulling mechanism comprises a hooking and taking parts, a sliding block and a sliding plate, the hooking and taking parts are rotatably installed on a rotating shaft, all the hooking and taking parts are in a triangular shape, the sliding block is located at one end of a front steel pulling row, and the sliding plate is arranged in the gap between the hooking and taking parts. According to the steel pulling method, mechanized steel pulling can be achieved, shutdown due to an electrical failure is avoided, steel pulling fluency is better, production efficiency is high, and meanwhile the method has the advantages that profile steel can be precisely stopped at input roller ways, so that steel pulling is facilitated.

The invention relates to wind-induced vibration energy collectors, in particular to a wind-induced vibration energy collector based on multi-cylinder wake excitation. The wind-induced vibration energy collector is applicable to low-power electronic equipment such as a sensor which needs to acquire energy from an external environment and comprises external frame columns, a central cylinder, piezoelectric transducers, connecting springs and frame rods. The wind-induced vibration energy collector is characterized in that wind load in an environment acts on the external frame columns, airflow is separated on the surfaces of the external frame columns and generates alternating-falling vortexes at the tails of the external frame column, the central cylinder vibrates under the action of the wake of the frame columns, the vibration of the cylinder drives arc-shaped metal sheets to deform, and piezoelectric elements adhered to the arc-shaped metal sheets deform and polarize to externally output voltage. The wind-induced vibration energy collector has the advantages that the wind energy collector formed by the internal central cylinder and the external frame columns surrounding the central cylinder is simple and compact in structure, easy in encapsulation, capable of collecting the wind energy of different wind speeds and different wind directions, and capable of greatly increasing energy utilization rate and collector output power.

The invention provides an electric running-aiding device, belonging to the technical field of wearable devices, and in particular relates to a running-aiding device. The electric running-aiding device mainly comprises power devices, a fixing board and a controller, wherein the two power devices with the same structure and function are distributed in a left-right symmetric manner; each power device comprises a propeller, a motor, a protective shield and a telescopic pipe; the upper end of the telescopic pipe is fixedly connected with the protective shield and the motor, and the lower end of the telescopic pipe is connected with the fixing board. The fixing board plays the role of fixing the device to the body of a user. A battery is mounted in the middle of the fixing board; the controller comprises a CPU, a miniature pressure sensor and a receiver. In use, the user wears the running-aiding device, the CPU controls the rotating speed of the motor, and then the lifting force is adjusted. The electric running-aiding device is suitable for being used when the traffic is crowded during holidays and festivals, or the device can be used by people loving hiking, excursion trip or mountain climbing, and is also suitable for firefighters to climb high-rise buildings to perform rescue. The electric running-aiding device is simple in structure, and part of the human weight can be counteracted, so that a person can walk or run briskly.

The invention relates to an island reef exploration ROV water surface distribution and recovery system and a recovery method thereof. The system includes a mother ship. A transport bench for transporting ROV is installed at the front end of the deck of the mother ship, A floating ball platform and a cable guide are adjacent to each other on the deck beside the transport platform, A crane and a winch are sequentially arranged on the deck behind the cable guide, An umbilical cord cable and a cable clamp are arrange behind that winch, and the crane lifts the ROV into the deep sea. At this time, the end of the umbilical cord cable is fixed by the cable clamp, and the rear end part is connected to the control room of the mother ship, and the other end of the umbilical cord cable bypass the winch and is connected with the ROV through the cable guide and the automatic dismounting floating ball platform. Through the use of winch, cable guide, crane and other equipment to achieve the placementand recovery of ROV, and the use of winch to achieve the placement of umbilical cord cable, recovery, the use of cable guide to reduce the friction between umbilical cord cable and the ship side, theuse of crane to achieve the hoisting and placement of ROV.

The invention belongs to the field of sport equipment and particularly relates to an explosive type pull-up brace. The explosive type pull-up brace comprises a brace body, wherein force accumulation structures are symmetrically arranged at two ends of the brace body; each force accumulation structure comprises a swing claw, a cantilever claw and a pulling rope, the cantilever claws are of an arc-shaped rodlike structure and are upwarped, the swing claws are hinged to the end parts of the brace body, one end of each pulling rope is fixed on the cantilever claw of the force accumulation structure on the other side of the brace body, and the other end bypasses a fixed pulley and then is connected with the free end of a connecting rod. By means of the force accumulation structures, falling force produced by body weight of a trainer is subjected to energy storage and energy is stored by elastic deformation of the pulling ropes, when the trainer performs explosive type pull-up actions, energy stored in the pulling ropes is released with loosening of the swing claws, the step of the salmon ladder is lowered, so that part of body weight is offset, trainer's strength required to be explodedis reduced, physical ability consumption is reduced, the trainer can rapidly adapt to the sports, action essentials are mastered, and the competition result is improved.