36results about How to "Realize force balance" patented technology

The invention relates to an inner and outer tooth form meshing gear reducer comprising a first-level reducing mechanism and a second-level reducing mechanism. The first-level reducing mechanism comprises an eccentric wheel (101), a first turning bearing(5), an outer-meshing curve wheel (7) and a gear pin (8); the gear pin is fixed on a first support (9) and externally meshes with the outer-meshing curve wheel (7). The second-level reducing mechanism comprises an eccentric driving wheel (14), a second turning bearing (13) sleeved on the eccentric driving wheel (14), an outer-meshing curve wheel (11), and an output plate (16) in linkage with an output shaft (20). The outer-meshing curve wheel (11) is sleeved on the second turning bearing (13) and internally meshes with the gear pin (8). The eccentric driving wheel (14) is in linkage with the outer-meshing curve wheel (7) through a pin (6), and the outer-meshing curve wheel (11) is in linkage with the output plate (16) through a driving pin (12). The inner and outer tooth form meshing gear reducer has the advantages of few tooth numbers, high speed ratio, small size, high load bearing, high efficiency and long service life, and is especially applicable to reducers by industrial robots.

The invention relates to a rigid inside and outside tooth-profile-wrapped tooth reducer which comprises a first level reducing mechanism and a second level reducing mechanism. The first level reducing mechanism comprises an eccentric wheel (101), a first turning arm bearing (5), an outer meshing curve wheel (7) and a gear pin (8), wherein the gear pin (8) is fixed on a first support (9) and is meshed with the outer meshing curve wheel (7) in an external mode. The second level reducing mechanism comprises an eccentric driving wheel (14), a second turning arm bearing (13), an inner meshing curve wheel (11) and an output disc (16), wherein the inner meshing curve wheel (11) is meshed and matched with the gear pin (8) in an internal mode, the output disc (16) is connected with an output shaft (20) of the output disc (16) in a linkage mode, the eccentric driving wheel (14) is connected with the outer meshing curve wheel (7) in a transmission mode through a pin (26), the inner meshing curve wheel (11) is connected with the output disc (16) in a transmission mode through a transmission pin (24), one side of the outer meshing curve wheel (7) is provided with a first reinforcing bracket (6), and one side of the inner meshing curve wheel (11) is further provided with a second reinforcing bracket (23). The rigid inside and outside tooth-profile-wrapped tooth reducer has the advantages of being small in the number of teeth, large in speed ratio, small in size, high in bearing and efficiency, long in service life, high in rigidity, and particularly suitable for a reducer for a heavy-load robot.

The invention discloses a double-layer self-balancing pulling cable thermostatic curtain wall system. According to the technical scheme, the double-layer self-balancing pulling cable thermostatic curtain wall system is characterized in that the system comprises an inner side curtain wall and an outer side curtain wall, a vertical bearing rod, horizontal support rods and stable steel cables are arranged between the inner side curtain wall and the outer side curtain wall, and the stable steel cables are fixedly connected with the inner side curtain wall and the outer side curtain wall in a spaced mode from top to bottom to form a rhomboid structure. By means of the double-layer self-balancing pulling cable thermostatic curtain wall system, the problems that an existing double-layer curtain wall is low in structural stability is solved; in addition, a temperature regulation device is arranged between the inner side curtain wall and the outer side curtain wall to cool or heat air in a curtain wall intermediate layer, therefore, a thermal insulation layer is formed, the temperature of a building on the inner side of the curtain wall is relatively stable and is not affected by the external temperature, the thermostatic effect is achieved, and therefore the energy-saving effect reaches 80%.

The invention provides an improved holding device of an evaporated material of an evaporator, which comprises a first transmission mechanism, a supporting frame, a pair of second transmission mechanisms and a third transmission mechanism, wherein the first transmission mechanism comprises a first rotating shaft and a first rotating wheel which are driven to rotate by a driving device; the supporting frame is provided with a fixed disk and a supporting arm connected with the fixed disk; the second transmission mechanisms are respectively formed at the opposite sides of the first rotating wheel, and the second transmission mechanisms comprise a second rotating wheel, a second rotating shaft and a third rotating wheel, wherein the second rotating wheel rotates around the first rotating wheel, the second rotating shaft penetrates through the second rotating wheel and the fixed disk, and the third rotating wheel is connected with the second rotating shaft; and the third transmission mechanism comprises a fourth rotating wheel and an evaporated material bearing shaft, wherein the fourth rotating wheel is driven by the third rotating wheel, the evaporated material bearing shaft penetrates through the fourth rotating wheel and the supporting arm, and the shaft axis of the evaporated material bearing shaft is vertical to the extension line of the shaft axis of the first rotating shaft.Thus, the holding device for the evaporated material can be in revolution and rotation.

The invention provides a stamping multi-station die of an automobile middle-sized part and an operation method of the stamping multi-station die. The stamping multi-station die of the automobile middle-sized part comprises an upper die and a lower die. The upper die comprises an upper die seat, and the lower die comprises a lower die seat. The upper die seat and the lower die seat are provided with trimming stations, punching stations and shaping stations. The trimming stations comprise trimming positioning structures and trimming tools. The punching stations comprise punching positioning structures and puncher pins. The shaping stations comprise shaping positioning structures and shaping tools. The trimming stations and the punching stations are located on the two sides of the shaping stations. According to the stamping multi-station die of the automobile middle-sized part, the overall tonnage of a single stamping part die is reduced, the investment of cost of the die is saved, and the requirement for storing space of the die is lowered.

The invention discloses an integrated oil pumping device, which consists of an oil pumping device, a power transmission device and a pit shaft device. The device is characterized in that the circular motion centered with an output shaft is made by a crank and a movable pulley that is on the crank to lead to the reciprocating motion of the flexible-transmission elements in the wellhead, thereby the regionality can be realized. The oil pumping machine can drive a plurality of oil wells within the distance of 50-100 meters to pump oil, leading to the multifunction of one machine and regional oilproduction, and has the advantages of improving the system efficiency, simplifying and compacting the structure, reducing the weight and volume of the oil pumping machine, saving the energy and consumption and requiring little invested installment.

A simple high-load wood forklift with a multi-unit connection rod driving function comprises a multi-unit connection rod driving mechanism, a movable arm lifting mechanism, a fork bucket control mechanism and the like. Under the control of a computer, the multi-unit connection rod driving mechanism achieves driving of multiple low-power motors and high-power and high-torque power output, and meets the power requirement for high-load operation of the wood forklift. A hydraulic cylinder is applied to the configuration design of the wood forklift as a connection rod on the basis of the Pascal principle, through introduction of a hydraulic element, the problem that in the prior art, stress on two driving chains for lifting a movable arm is unbalanced is effectively solved, and the bearing stability is improved. The wood forklift not only has the characteristics of being high in transmission efficiency, high in response speed, high in motion precision, good in controllability, capable of saving energy, environmentally friendly and the like as a controllable mechanism, but also has better bearing performance and shock resistance through introduction of the multi-unit connection rod driving mechanism and the hydraulic element, can achieve the overload protection function easily and has great engineering application prospects and development potential.

The invention provides an embedded safety elevator which comprises an elevator safety lifting device and an elevator car. The elevator safety lifting device comprises a transmission rod, spiral lifting assemblies and track nut pipes. A spiral slide corresponding to a spiral slide on the inner wall of the corresponding track nut pipe and capable of being meshed with the spiral slide is arranged on the surface of a sliding bolt of each spiral lifting assembly, and each spiral lifting assembly is embedded in the corresponding track nut pipe. A first bevel gear is arranged on the end portion of the transmission rod, the bevel gear at the opening position of the track nut pipe is meshed with a second bevel gear on the end portion of the sliding bolt arranged in the corresponding spiral lifting assembly, and two spiral lifting assemblies and two track nut pipes matched with the assemblies are provided and symmetrically arranged on two sides of the elevator car. The embedded safety elevator meets the requirement for multi-direction opening, and the manufacture cost and the use cost of the elevator are effectively reduced.