40results about How to "Accurate and stable transmission" patented technology

The invention relates to a variable-diameter hydraulic cutter capable of realizing continuous cutting of sleevings with different diameters through gear and rack transmission in the abandoned well operation process. The technical scheme of the cutter is that an upper joint is connected with a housing by threads; a spraying nozzle is located in a piston push rod and connected with the push rod by the threads; an upper spring, a turning mechanism and a piston are mounted on the piston push rod sequentially and arranged inside the housing; cutter knives are arranged uniformly in the circumferential direction and connected with the housing by hinge pins, gear structures of the upper parts of the cutter knife bodies are meshed with a cylindrical rack, the rack and the gears can transmit, and too large displacement of the cutter knives is limited while the opening degrees of the cutter knives are accurately controlled. According to the variable-diameter hydraulic cutter, the piston and the turning mechanism are pushed by the throttling action, gear and rack transmission is matched so as to realize continuous cutting of the sleevings with different diameters, trip times are reduced, the abandoned well operation time is saved, and the sleeving cutting efficiency and the operation reliability in the abandoned well operation process are improved greatly.

The invention relates to a rotating triple-prism beam scanning device comprising a rotating double-prism system, a rotating single-prism system, a guide rail, an adjustable support, and a fixed support. The rotating single-prism system comprises a base component, a prism and frame assembly, and a worm-and-gear mechanism. The prism and frame assembly comprises a flat washer, a wedge prism, a rubber pad, a wedge retainer ring, a threaded retainer ring, and a frame. The base component comprises a base, a base baffle, and a base insert. The worm-and-gear mechanism comprises a rotary motor, a motor stand, a coupling, a worm, a bearing support, a rolling bearing, a worm gear, an encoder support, and a rotary encoder. The rotating double-prism system is formed by assembling two rotating single-prism systems together. In the invention, the three wedge prisms are driven by the worm-and-gear mechanisms to do full-circumferential rotation, transmission is stable and accurate, and the scanning precision and stability of dynamic beams can be ensured; the prisms are independent of one another in rotation control, and diversified scanning modes can be achieved; and by introducing the third prism to the double-prism system, the scanning field of beams is enlarged significantly, and the problem that a double-prism system has scanning blind areas and control singular points is solved effectively.

The invention, which relates to the technical field of orthotropic steel bridge deck fatigue crack detection, discloses an intelligent orthotropic steel bridge deck fatigue crack detection robot comprising a top plate walking detection device, a longitudinal rib walking device, an electric drive telescopic mechanism and an electric drive swing mechanism. The top plate walking detection device andthe longitudinal rib walking device are provided with crawlers respectively; a plurality of electromagnets are arranged on the outer sides of crawler belts of the crawlers to achieve adsorption of thecrawler belts on a top plate or longitudinal ribs. An ultrasonic detector is arranged on the top plate walking detection device and can move close to or away from a crawler; the top plate walking detection device is connected with the electric drive telescopic mechanism, the joint of the top plate walking detection device and the electric drive telescopic mechanism can rotate, the electric driveswing mechanism is connected with the other end of the electric drive telescopic mechanism and can swing at the joint, and the longitudinal rib walking device is connected with the other end of the electric drive swing mechanism and can rotate. The robot can complete automatic detection of the orthotropic steel bridge deck slab, the traditional manual detection mode is changed, the manpower can besaved effectively, the detection efficiency is high; and the detection data are reliable.

The invention discloses a tire temperature and tire pressure monitoring and deflated tire anti-drop supporting device. The tire temperature and tire pressure monitoring and deflated tire anti-drop supporting device comprises a supporting assembly and a temperature and pressure sensing and radio frequency module, wherein the supporting assembly is formed by sequentially connecting a plurality of supporting pieces surrounding the outside circumference of a hub in series; the supporting pieces arranged on two ends of the supporting assembly are respectively connected with one locking piece; the two locking pieces are fixedly connected through an adjustable locking bolt; a pin shaft hole hinged to the corresponding supporting piece is formed in one end of each locking piece; the temperature and pressure sensing and radio frequency module is arranged in a sealed shell; the sealed shell is arranged on one locking piece. According to the tire temperature and tire pressure monitoring and deflated tire anti-drop supporting device disclosed by the invention, a tire pressure and tire temperature sensor and a deflated tire emergency supporting piece are integrated, so that simultaneous promotion of active prevention and passive defense can be realized, the risk of tire bursting can be reduced to the maximum, the tire bursting is avoided, and the safety performance of a vehicle is greatly improved.

The invention provides a mining pneumatic-conveying universal joint piston type concrete spraying machine. The problems of large size and low efficiency of an existing spraying machine are solved. The mining pneumatic-conveying universal joint piston type concrete spraying machine comprises a machine frame, wherein a rotor cylinder barrel is arranged on the machine frame, a plurality of material storage channels are formed in the rotor cylinder barrel, piston modules penetrate through the material storage channels, an oblique table base is arranged under the rotor cylinder barrel, a rotating seat rotating along the oblique axis is arranged on the oblique table base, a straight gear is fixedly connected to the top face of the rotating seat, the piston modules are connected with the straight gear through a double-cross universal coupling, a spline shaft penetrates into the central position of the rotor cylinder barrel and is connected with the rotating seat through a single-cross universal coupling, and an air distribution disc is arranged above the rotor cylinder barrel and is communicated with a hopper and an air box. A power mechanism is arranged on the machine frame, the driving end of the power mechanism is connected with a bevel gear, and the bevel gear is in meshed connection with the straight gear. The mining pneumatic-conveying universal joint piston type concrete spraying machine is small in size, simple in structure, capable of saving energy and protecting environment, abrasion-resistant, low in operation cost and high in efficiency.

The invention relates to an intermediate mimicry system. The system comprises a basic operation platform and a heterogeneous operation platform, an intermediate conversion platform is also arranged between the basic operation platform and the heterogeneous operation platform; according to the invention, information can be input into the input device of one operation platform; meanwhile, corresponding output information is obtained through synchronous observation in the output devices of the two operation platforms at the same time; therefore, data and information intercommunication between thetwo operation platforms can be effectively achieved regardless of different types of data and information between the different operation platforms, and remote control and information synchronous sharing of one heterogeneous operation platform to the other heterogeneous operation platform are achieved on the basis of data and information intercommunication between the two operation platforms.

The invention discloses a large-stroke four-degree-of-freedom rigid-flexible coupling mechanical arm. The large-stroke four-degree-of-freedom rigid-flexible coupling mechanical arm comprises a linearsliding table, an electric rotating table, a rigid arm body and a flexible arm body, wherein the lower end of the electric rotating table is fixedly connected to a sliding plate on the linear slidingtable, the upper portion of the electric rotating table is rotationally connected to one end of the rigid arm body through a rigid arm joint motor transmission mechanism, and the other end of the rigid arm body is rotationally connected to the flexible arm body through a flexible arm joint motor transmission mechanism. According to the large-stroke four-degree-of-freedom rigid-flexible coupling mechanical arm, the rigid arm body is formed by splicing, so that the weight of the rigid arm body is easier to reduce, the inertia is reduced, the weight of the rigid arm body and the control over thewhole four-degree-of-freedom mechanical arm are more convenient to balance, deformation is not prone to occurrence in the stress direction, and meanwhile the joint structure is easier to design, manufacture and install; and in the flexible mechanism motion planning and vibration active suppression in the intelligent manufacturing research, the replaceability of the joint structure is higher, the design of the joint structure is simplified through the spliced mechanical arm, the transmission efficiency is improved, and the weight is reduced.

The invention belongs to labeling devices, and especially relates to a labeling machine. The machine includes a cross-shaped slide table, a material cabin mechanism, a labeling mechanism, a manipulator and a material receiving box; the manipulator can convey a blood sampling test tube to the labeling mechanism through the cross-shaped slide table after grabbing the blood sampling test tube under the controlling of a central control device, so that the labelled blood sampling test tube can fall into the material receiving box; the manipulator selects an electromagnetic manipulator and incudes two mechanical clamping hands in opposite arrangement; grabbing parts on the front ends of the two mechanical clamping hands can fit with the profile of the blood sampling test tube, and the rear endsof the mechanical clamping hands are in rotatory assembling with rotating shafts; the mechanical clamping hands can be controlled by a power input device to do opposite or reverse rotation so that thegrabbing or loosening of the blood sampling test tube can be realized; and the power input device includes an electromagnet arranged between the middle parts of the two mechanical clamping hands andreset springs connected between the two mechanical clamping hands. Thus, technical problems in the prior art of low work efficiency, complex structure and poor universality can be effectively solved,and therefore, the machine has advantages of being high in working efficiency, compact in structure and good in adaptability.

The invention discloses a flexion and extension device based on directional wheel strip meshing transmission and a using method. A gantry support is fixed to a base, a groove penetrating to the two ends of each flexion and extension body is formed in the bottom of each flexion and extension body, and a first rack is fixed to the bottom of one side of each flexion and extension body in the groove extending direction. A plurality of positioning holes are formed in the side wall of the other side of each flexion and extension body along the extension direction of the grooves. The first flexion and extension body is connected to the gantry support in a sliding mode, the first flexion and extension body is connected into a groove of the first flexion and extension body in a sliding mode, and soon, the nth flexion and extension body is connected into a groove of the n-1th flexion and extension body in a sliding mode. Driving devices are arranged on the base in a sliding mode, first gears are connected to output shafts of the driving devices, and the first gears can be meshed with first racks on any flexion and extension body. Fastener containing boxes and screwing devices are fixed to the base, the screwing devices are located on the sides, provided with positioning holes, of the flexion and extension bodies, the fastener containing boxes are located between the screwing devices andthe flexion and extension bodies. The flexion and extension transmission effect of the flexion and extension device based on the directional wheel strip meshing transmission and the using method is better.