12 results about "Gear transmission" patented technology

The invention relates to an adaptive bag conveying mechanism which is used for conveying bags with different thicknesses. The conveying mechanism comprises a rack, a main bag clamping unit, an auxiliary bag clamping unit, a main gear transmission unit, an auxiliary gear transmission unit, a driving shaft and a driven shaft, wherein the main bag clamping unit and the auxiliary bag clamping unit are arranged on one side of the rack side by side; the main gear transmission unit is arranged on one side of the main bag clamping unit; the auxiliary gear transmission unit is arranged on one side of the auxiliary bag clamping unit, and the auxiliary gear transmission unit and the main gear transmission unit are arranged side by side; the lower ends of the main bag clamping unit and the main gear transmission unit are jointly connected to the driving shaft in a rotary mode; and the lower ends of the auxiliary bag clamping unit and the auxiliary gear transmission unit are jointly connected to the driven shaft in a rotary mode. By the conveying mechanism, the width of a conveying gap can be adaptively adjusted according to different conditions of the bags, so that a phenomenon that the bags cannot pass through the conveying mechanism, or cannot be crushed and extruded because the bags are too thick is avoided; simultaneously, the bag conveying rate is increased; and the working efficiency is improved.

The invention provides a device for measuring interlayer displacement angle, which includes: a transmission rod, a first-stage coaxial disc, a second-stage coaxial turntable and a rotating shaft angle sensor; the upper end of the transmission rod passes through the first fixing part and the upper beam connected, and can slide up and down relative to the first fixing piece; the lower end of the transmission rod is fixedly connected with the first-level coaxial disc; The second fixed part rotates; the second-level coaxial turntable and the rotating shaft type angle sensor are fixed on the beam of this layer; the diameter of the first-level coaxial disc is greater than the diameter of the second-level coaxial turntable; the second-level coaxial turntable The diameter is larger than the diameter of the shaft on the shaft-type angle sensor; the first-stage coaxial disc, the second-stage coaxial turntable and the shaft on the shaft-type angle sensor are all connected by belt transmission or gear transmission. The application of the invention can directly measure the interlayer displacement angle with high precision, and improve the measurement accuracy of the interlayer displacement angle.

The invention discloses an electric central frame for a crankshaft. The electric central frame comprises a base, wherein a transmission shaft I, a transmission shaft II and a transmission shaft III are arranged on the base; driven rack sleeves are fixedly connected on the transmission shaft I and the transmission shaft II; driven rack parts are arranged on the driven rack sleeves; a motor is arranged at one end of the transmission shaft III; a drive rack sleeve is arranged at the other end of the transmission shaft III; a thread transmission part is arranged on the transmission shaft III; a thread transmission hole is formed in the drive rack sleeve; the thread transmission part is arranged in the thread transmission hole; a pair of drive rack parts are symmetrically arranged on the drive rack sleeve; and gear transmission pairs are arranged between the drive rack parts and the driven rack parts. According to the electric central frame for the crankshaft, the drive rack parts transmit power to the driven rack sleeves through the gear transmission pairs, so that large and small shaft heads of the crankshaft are clamped and released through three locating bearings, the locating speed is high, and the locating accuracy is high.

The invention relates to a mechanical X-type exhibition display instrument which comprises two upper supporting rods, two lower supporting rods, a rear supporting rod and a connection seat. The upper supporting rods and the lower supporting rods are provided with image fixing heads respectively, the connection seat is a mechanical automatic unfolding/folding type connection seat, the mechanical automatic unfolding/folding type connection seat comprises a bottom plate, a cover plate, two upper supporting rod inserting heads, two lower supporting rod inserting heads and a rear supporting rod inserting head, each supporting rod inserting head comprises a drive end and an inserting head end, the drive ends of the two upper supporting rod inserting heads and the drive ends of the two lower supporting rod inserting heads are rotatably mounted between the bottom plate and the cover plate along a vertical plane, the drive end of the rear supporting rod inserting head is backwards and rotatably mounted on the bottom plate along a vertical plane, the drive ends of all supporting rod inserting heads are provided with gears respectively, and all the gears are in transmission through a gear transmission set. The mechanical X-type exhibition display instrument has the advantages of being rapid in unfolding and folding, compact in structure and size, convenient to package and transport, low in production cost and easy to assemble and greatly lowers manual cost.

The invention relates to a push-pull type full-speed fin stabilizer based on gear transmission. The push-pull type full-speed fin stabilizer is composed of a high-aspect-ratio fin, an underwater supporting section, a fin shaft set, a fin rotating mechanism and a sweeping mechanism, the high-aspect-ratio fin is installed in an installation space of the underwater supporting section through a fin shaft in the fin shaft set, the fin shaft is connected with the fin rotating mechanism, under the conventional navigational speed working condition, the fin rotating mechanism drives the high-aspect-ratio fin to rotate, and conventional navigational speed stabilization is achieved; and the underwater supporting section is connected with the sweeping mechanism, and under the zero-speed working condition, the sweeping mechanism drives the high-aspect-ratio fins to sweep, so that zero-speed stabilization is achieved. According to the push-pull type full-speed fin stabilizer based on gear transmission, the zero-speed stabilization capability can be improved by more than 40% on the premise that the original conventional speed stabilization capability, the power, the weight and the occupied cabin size are basically unchanged, and the performance of a novel full-speed fin stabilizer device can be achieved.

The invention relates to a roller expansion and shrinkage device. The roller expansion and shrinkage device is characterized in that an expansion and shrinkage cylinder, a gear transmission device and a chassis are arranged on a support; a roller driving device is arranged on the chassis; a fixed roller and a driving roller are arranged in the roller driving device; the fixed roller is connected with the expansion and shrinkage cylinder; the gear transmission device is arranged between the driving roller and the fixed roller. When the roller expansion and shrinkage device disclosed by the invention is used, steel wire rings are uniformly tensioned through the roller driving device, power input is realized through a power input shaft of the fixed roller, and accordingly the driving for other driving rollers is operated through the distribution for the power of the gear transmission device and a universal transmission shaft; the driving amount can be selected according to practical requirements, and the steel wire rings are tensioned by adopting the fixed roller and the driving roller, so that the deformation of the steel wire rings can be reduced, and the manufacturing quality and production efficiency of tires are ensured.

The invention relates to a drilling pump used for drilling. The drilling pump comprises a pump body and a power plant. The pump body comprises a rack assembly, a power end assembly and a fluid end assembly. The power end assembly is provided with an eccentric shaft, and the power input end of the eccentric shaft is directly connected with the power output end of the power device. The power device comprises a power source, a speed reducer, a clutch and a universal shaft. The clutch is connected between the power source and the input end of the clutch, and the output end of the clutch is connected with the universal shaft. As a pinion shaft and a gear ring which is fixed to a crankshaft and meshed with the pinion shaft are omitted from a power transmission part, one gear transmission pair is omitted, the whole power transmission system is simplified, and the loss during power transmission is lowered; besides, the structure is simplified, the size is reduced, and the weight is lowered; during production, the machining procedures of the pinion shaft and the gear ring are omitted, so that the production cost is lowered, and the production cycle is shortened.

The invention discloses a gapless gear transmission multifunctional limiter, which is characterized by comprising a seat plate component (1), a first gear component (8) and a second gear component (12). The upper end of the first gear component (8) is fixedly mounted on the seat plate component (1), and the first gear component (8) is coaxially connected with a gear of a worm gear component (7) via a bearing (9). Gears of the first gear component (8) and the second gear component (7) are metal gears, and flexible materials are attached on the surfaces of the metal gears. The gapless gear transmission multifunctional limiter is high in precision, gapless transmission of the gears can be realized, error accumulated risks are reduced, and cost is low.