50results about How to "Achieve meshing" patented technology

The invention discloses a six-way switching ball valve, and belongs to switching valves. The ball valve solves the problem that an inlet and an outlet of an existing six-way switching valve are located on the same side, and consequently an application occasion is limited. The six-way switching ball valve is composed of an upper three-way ball valve, a lower three-way ball valve and a driving conversion mechanism; the structure and component parts of the upper three-way ball valve and the structure and component parts of the lower three-way ball valve are completely the same; each of the upper three-way ball valve and the lower three-way ball valve is composed of a valve body, a ball body, a sealing gasket ring, a sealing check ring, a rotating shaft, a thrust ring, a flange gland, a rotating check block and a steel wire check ring; the driving conversion mechanism comprises a handle, a conical gear, a gearbox, an input shaft, a ball bearing, an upper output shaft and a lower output shaft; the upper output shaft and the lower output shaft of the driving conversion mechanism are connected with the rotating shaft of the upper three-way ball valve and the rotating shaft of the lower three-way ball valve respectively in a matched mode. The six-way switching ball valve is simple in structure and small in switching torque; an inlet and an outlet of the six-way switching ball valve are arranged on the different sides; the problem that the inlet and the outlet are arranged on the same side, and the application occasion is limited is solved; and when the driving conversion mechanism is replaced by a sleeve, the valve can adapt to the occasion in which the oil inlet and the oil outlet are arranged on the same side, the interchangeability is high, and field pipelines are more flexibly arranged.

The invention discloses a forward and backward rotation power box for a deep-layer cement mixing pile. A hollow pipeline is arranged at the middle portion of a drive gear, the middle portion of a forward rotation planetary gear box and the middle portion of a backward rotation planetary gear box. A rotating shaft is located in the hollow pipeline. The end, away from a support, of the hollow pipeline is connected with a grout sprayer. A clutch is fixed to the position, with the height the same as a power device, on the hollow pipeline. The forward rotation planetary gear box and the backward rotation planetary gear box are installed on the hollow pipeline. The drive gear is fixed to the rotating shaft. A forward rotation sun gear is located in the forward rotation planetary gear box. Forward rotation planetary gears surround the outer side of the forward rotation sun gear and are connected with the forward rotation sun gear in an engaged manner. A backward rotation sun gear is located in the backward rotation planetary gear box, and backward rotation planetary gears surround the outer side of the backward rotation sun gear and are connected with the backward rotation sun gear in an engaged manner. The forward and backward rotation power box for the deep-layer cement mixing pile can rotate forward and backward and is simple in structure and long in service life.

A pretensioner having a fracture connection-type rack gear, according to the present invention, comprises: a housing having a receiving space; a pinion gear which is provided in the receiving space, and which is connected to a rotation shaft of a spool having a seat belt webbing wound thereon, and is rotated by the rotation of the spool; a micro gas generator for generating explosive power in response to an impact from outside; a transport pipe, one end of which is connected to the micro gas generator, and the other end of which is formed with an opening so as to be connected to the receiving space; a plurality of ball members which are provided in the transport pipe, and which are transported to the receiving space by the explosive power of the micro gas generator; and a rack gear which is provided in the receiving space in a fixed state so as to be fixed by a fixing part, and which is engaged with the pinion gear as the fixing part is fractured by the ball members transported to the receiving space by the explosive power of the micro gas generator, and which rotates the pinion gear by means of the remaining thrust of the ball members in a direction in which the webbing is introduced.

The invention discloses a brake device for a lifting system of a self-elevating ocean platform, and belongs to the field of ocean engineering. The brake device includes a shell, a main shaft, a driving assembly, outer friction plates and inner friction plates. One end of the shell is used for being fixedly installed on a gear box of a lifting system. The other end of the shell is used for being fixedly installed on a motor of the lifting system. The main shaft is rotatably mounted in the shell. The inner friction plates are sleeved on the outer peripheral wall of the main shaft in an axial sliding mode. the outer friction plates are inserted into the inner circumferential wall of the shell in an axial sliding mode, the outer friction plates and the inner friction plates are alternately arranged at intervals, one inner friction plate is arranged between every two adjacent outer friction plates, the driving assembly is arranged in the shell, and the driving assembly is used for driving the outer friction plates and the inner friction plates to be meshed together. When the electromagnetic brake of the self-elevating ocean platform lifting system fails, emergency braking of the self-elevating ocean platform lifting system is achieved, and the reliability of the lifting system of the self-elevating ocean platform is improved.

The invention discloses a suspended rack rail transport vehicle driving device. Motor power is input through an input shaft, and through multi-stage deceleration, a pair of rollers roll along an I-shaped rack rail and an output gear is meshed with a rack below the I-shaped rack rail to synchronously drive a suspension frame to move along the I-shaped rack rail. The suspended rack rail transport vehicle driving device is compact and simple in structure and novel in design, adopts an intermediate open gear output structure, simultaneously outputs the power through the gear and the rollers, and meets using requirements of a suspended rack rail transport vehicle under large-slope and branched multiple working conditions; in addition, through compartments in a shell, the output gear is isolatedfrom transmission gears, so that normal lubrication of the transmission gears is guaranteed.

The invention discloses a dual-station high-efficiency edging machine for a shaft coupling, which comprises a base, and a symmetrical first baffle and a second baffle are fixedly connected to the top of the base, and one side of the first baffle is arranged There is a support plate, and one end of the support plate close to the first baffle is fixedly connected to the outer surface of the support plate, the top of the support plate is fixedly connected to the first motor, the output end of the first motor is fixedly connected to a folding rod, and one end of the folding rod Through the first baffle plate and extending to the outside of the first baffle plate, a first bearing is provided at the place where the folding rod passes through the first baffle plate, the inner wall of the first bearing is fixedly connected with the outer surface of the folding rod, and the outer surface of the first bearing is connected to the outer surface of the first baffle plate. The outer surface of the first baffle is fixedly connected, and the outer surface of the second baffle is fixedly connected with a second bearing. The present invention makes it possible to realize the upper and lower double-station machining as a whole, shortens the overall consumption time and improves the work efficiency when machining large batches of shaft couplings.

The invention discloses a self-regulation load bearing device realizing the treatment assisting function. The self-regulation load bearing device comprises a base and a connecting shaft, wherein a limiting rotation wheel is connected to the front surface of a second mounting plate through a rotation shaft, a tension cog belt matched with a first gear and the limiting rotation wheel is arranged atone end of a hook, an electric push rod is arranged in the middle of the upper surface of the base, vertical rods are symmetrically arranged on the upper surface of the base, a movable block is arranged on the outer side of each vertical rod, a control switch is arranged on the front surface of the movable block on the left side, a drive motor is arranged on the opposite faces of the two movable blocks, an output shaft of the drive motor is provided with a concave wheel and a second gear, the concave wheel is connected with the tension cog belt, and the concave wheel is positioned at the rearside of the second gear. For the self-regulation load bearing device realizing the treatment assisting function, the tension cog belt is adopted for replacing a weight for realizing pressuring, the load bearing effect of the weight can be achieved, the tension is stable, no swing occurs, meanwhile, the drive motor is utilized for realizing adjustment, and the operation is convenient.

The invention discloses a thin-walled pipe ring cutting mechanism suitable for different wall thicknesses. The ring cutting mechanism comprises a round fixed frame. An outer tooth ring is fixedly connected with the outer surface of the round fixed frame. An annular slide rail is fixedly connected with the outer surface of the round fixed frame. A slider is slidingly connected to the annular sliderail. A telescopic mechanism is installed on the slider. The output end of the telescopic mechanism is fixedly connected with a fixed frame. A motor is fixedly connected with the fixed frame. By arranging a multi-stage speed reduction mechanism, the meshing of the outer tooth ring and a planet gear is realized, the circumferential movement of a cutting plate can be driven during cutting, the ringcutting mechanism is suitable for large-aperture thin-walled pipes, and the defect that large-aperture thin-walled pipes need large rotating devices in a traditional technology is effectively overcome. Through the internal and external matching of a cushion block stop piece and a cushion block, the two-point type fixing of the two sides of the cutting plate is realized, it is avoided that the thin-walled pipes are indented under the effect of extrusion force during cutting and cutting is not completed.

A clamping transmission device for finishing a positioning pin, the invention relates to the technical field of positioning pin tooling, which comprises a base, a bracket, a mounting bracket and a clamping claw, wherein a bracket is fixedly arranged on the front side wall of the base, and the right end of the mounting bracket is The bearing is screwed on the bracket, and the clamping claw is set on the mounting frame; it also includes an arc guide assembly, a linear guide assembly, and a drive assembly, wherein the arc guide assembly is fixedly arranged on the front side wall of the base, and the arc guide assembly is The guide assembly is arranged on the left side of the installation frame, the linear guide assembly and the drive assembly are fixed on the installation frame, and the drive assembly is arranged between the arc guide assembly and the linear guide assembly; it is provided with two sets of guide structures with different running trajectories It is driven by a set of adjustable driving parts, so that it is convenient to drive the clamping parts of the equipment with different motion trajectories, so as to realize the finishing production of the workpiece.

The invention relates to a clutch device for dual motors, and particularly relates to a clutch device realizing power switching when the dual motors have different output power. The clutch device is simple in structural form, is coaxially mounted with an output rotating shaft of a dual-motor structure, and can be used when an output shaft end of the dual-motor is matched with an interface of the clutch device. The clutch device adopts the coaxial mounting method, and does not occupy the overall axial size of a mechanism; and the implementation method of the clutch device is simple and flexible, and can realize the switching of ''connecting or disconnecting'' states through controlling power-on and power-off states of an electromagnet in the device; and the clutch device is high in reliability, and realizes power transmission in a reliable pin and keyway cooperating manner.

The invention provides a single-direction flywheel and its adjustment system, which belong to the field of fitness equipment. The single-direction flywheel includes a flywheel body, a central shaft and a coupling. A one-way bearing is embedded in the center of the flywheel body, and the central shaft passes through the The one-way bearing is provided, and the coupling is movably sleeved on the central shaft to realize engagement and separation with the flywheel body. The single- and two-way flywheel adjustment system includes: a single- and two-way flywheel and a shifter assembly, the shifter assembly includes a spring fork, an adjustment handle and a shifter cable, the spring fork is set on the coupling, and the adjustment handle can be rotated to set; the shifter The pull wire is used to connect the spring fork with the adjustment handle, so as to control the loosening and tightening of the spring fork through the adjustment handle, and then drive the shaft coupling to move along the central axis. The present invention can realize the switching between the one-way mode and the two-way mode of the single-bidirectional flywheel through the adjustment system, that is, two exercise modes can be realized through one exercise bike, which is convenient to use and can reduce the cost.