Abstract: A display panel and a fabricating method thereof, and a displaying device. The display panel includes a substrate, a resistance reducing trace, an inter-layer-medium layer and a signal line. The substrate is divided into a plurality of sub-pixel regions and a pixel separating region. The resistance reducing trace is provided on the pixel separating region of the substrate. The inter-layer-medium layer is provided on the substrate, and the inter-layer-medium layer has an opening exposing the resistance reducing trace. The signal line is provided within the opening, the signal line is connected to the resistance reducing trace, the signal line is distributed in a column direction along the display panel, and in a row direction along the display panel, a width of the opening is greater than or equal to a width of the signal line.

Abstract: An online monitoring device of 3D printing equipment includes a signal collection module, a signal processing module, a feature extraction module, a monitoring module and a knowledge base module. A vibration signal of a preset component of the 3D printing equipment is collected by a vibration sensor. The collected vibration signal of each preset component is converted from an analog signal to a digital signal and the spectrum characteristics are extracted. Based on the spectrum characteristics of each preset component, the operation state type of the preset component is obtained by a comparative analysis model. The knowledge base module is configured to store newly added samples and initial samples of the 3D printing equipment. The initial samples include spectrum characteristic information and corresponding fault category of known faults, and the newly added samples include spectrum characteristic information and corresponding fault category of new faults.

Abstract: A balanced speed reducer of a dual-ring gear variable-line-speed planetary row includes a dual-ring gear variable-line-speed planetary row, an input end (6), an output end (7), a locking end (8), and auxiliary devices such as bearings. The dual-ring gear planetary row includes a left ring gear (1), a right ring gear (2), and a planet carrier (3). A left planetary gear (4) and a right planetary gear (5) that are connected on each planetary gear shaft have the same rotation speed. The left planetary gear (4) meshes with the left ring gear (1), and the right planetary gear (5) meshes with the right ring gear (2). The number of gear sets is not less than two. A teeth number combination and a number of gear sets are set according to a range specifying parameter and following a principle of matching the teeth number combination with the number of gear sets. A rule for manufacturing and assembling planetary gears is executed. A regulation on gear reference circle radii is executed.

Abstract: A balanced speed reducer of a dual-sun gear variable-line-speed planetary row includes a dual-sun gear variable-line-speed planetary row, an input end, an output end, a locking end, and auxiliary devices such as bearings. The dual-sun gear planetary row includes a left sun gear, a right sun gear, and a planet carrier. A left planetary gear and a right planetary gear that are connected on each planetary gear shaft have the same rotation speed. The left planetary gear meshes with the left sun gear, and the right planetary gear meshes with the right sun gear. The number of gear sets is not less than two. A teeth number combination and a number of gear sets are set according to a range specifying parameter and following a principle of matching the teeth number combination with the number of gear sets.

Abstract: A coaxial contra-rotating circumferential thruster includes: an input end, a one-way commutator, a two-way deflector, a steering support and two output ends. The input end is connected to a power device. The one-way commutator converts one rotation into two rotations having the same rotation speed and opposite rotation directions. The two-way deflector respectively indirectly connects two shafts of a contra-rotating sleeve shaft to two output shafts thereof by means of two bevel gear pair. Two unidirectional deflecting torques respectively generated by the two bevel gear pairs have the same magnitude and opposite directions. By transferring by means of a bracket or an output sleeve shaft, the two unidirectional deflecting torques cancel each other. The two output ends are respectively connected to two propellers (or rotors). A turnaround control device controls the steering support to be turned around, the control torque required for co-rotating and contra-rotating is the same.

Abstract: A gearbox with multiple planetary gear sets having the same type of center gears includes a planetary gear set, a planetary gear set structure, an input end, an output end and a locking end, and brakes (8). The gearbox adopts at least three planetary gear sets having the same type of center gears (sun gears) or three planetary gear sets having the same type of center gears (ring gears) to form a star-connected planetary gear set structure. A planet carrier (7) is used as the input end, any of the center gears (1) is used as the output end, and the remaining center gears (2, 3) are each used as a locking end. The gearbox adopts at least two brakes (8), each of the brakes (8) connected to a locking end. The brakes (8) are controlled by a gear shift control device to be in any of a braking state, a half-braking state and a non-braking state. The gearbox controls the gear by controlling the braking of the brakes (8).

Abstract: A balanced speed reducer of a dual-sun gear variable-line-speed planetary row includes a dual-sun gear variable-line-speed planetary row, an input end an output end, a locking end, and auxiliary devices such as bearings. The dual-sun gear planetary row includes a left sun gear:, a right sun gear, and a planet carrier. A left planetary gear and a right planetary gear that are connected on each planetary gear shaft have the same rotation speed. The left planetary gear meshes with the left sun gear, and the right planetary gear meshes with the right sun gear. The number of gear sets is not less than two. A teeth number combination and a number of gear sets are set according to a range specifying parameter and following a principle of matching the teeth number combination with the number of gear sets.

Abstract: The present invention provides a changeable linear speed reduction clutch, which is formed by connecting a changeable linear speed double-layer planetary gear train and a brake, and is transmission machinery with functions of both a speed reducer and a clutch. A planetary carrier of the changeable linear speed double-layer planetary gear train is used as an input end, one central gear as an output end, the other central gear as a braking end, and the braking end is directly connected to the brake; and the changeable linear speed double-layer planetary gear train adopts one of two types of planetary gear trains. The brake at least has two states, that is, braking and non-braking states, wherein the braking state of the brake is equivalent to an engaged state of the clutch, and the non-braking state of the brake is equivalent to a disengaged state of the clutch.

Abstract: A balanced speed reducer of a dual-ring gear variable-line-speed planetary row includes a dual-ring gear variable-line-speed planetary row, an input end (6), an output end (7), a locking end (8), and auxiliary devices such as bearings. The dual-ring gear planetary row includes a left ring gear (1), a right ring gear (2), and a planet carrier (3). A left planetary gear (4) and a right planetary gear (5) that are connected on each planetary gear shaft have the same rotation speed. The left planetary gear (4) meshes with the left ring gear (1), and the right planetary gear (5) meshes with the right ring gear (2). The number of gear sets is not less than two. A teeth number combination and a number of gear sets are set according to a range specifying parameter and following a principle of matching the teeth number combination with the number of gear sets. A rule for manufacturing and assembling planetary gears is executed. A regulation on gear reference circle radii is executed.

Abstract: A plug valve with adjustable actuation phases for controlling a flow rate by means of plug axial movement includes a power disk, a bearing, an inner spline, an outer spline, a valve stem, a pushing ring, a pushing fork, a plug body and a valve body. The plug body, the valve stem, the pushing ring and the outer spline are integrally formed, and are in spline connection with the power disk and the inner spline. The plug body has a special-shaped through hole in which a left portion thereof is narrow and a right portion thereof is wide. The valve body has a radial valve through hole, and the valve through hole corresponds to the plug special-shaped through hole provided at the same axial position segment, so that an actuating member for controlling actuation of a passageway is formed.

Abstract: The present invention relates to an equidirectional transfer universal transmission formed by connecting an equidirectional transfer case, a commutator, and an actuator. One of five types of planetary gear trains is used for the equidirectional transfer case, the component corresponding to a term having a maximum absolute value of a coefficient in a motion characteristic equation is used as an input end, and the other two components are respectively used as an inner output end and an outer output end. The commutator includes fourth types of quill shaft commutators and a non-quill shaft commutator, which are set by respective methods. One of two types of single-layer planetary gear trains is used for the actuator. The present invention includes methods for setting respective components of the equidirectional transfer case and the actuator, and includes a connection method.

Abstract: The present invention relates to an equidirectional transfer universal transmission formed by connecting an equidirectional transfer case, a commutator, and an actuator. One of five types of planetary gear trains is used for the equidirectional transfer case, the component corresponding to a term having a maximum absolute value of a coefficient in a motion characteristic equation is used as an input end, and the other two components are respectively used as an inner output end and an outer output end. The commutator includes fourth types of quill shaft commutators and a non-quill shaft commutator, which are set by respective methods. One of two types of single-layer planetary gear trains is used for the actuator. The present invention includes methods for setting respective components of the equidirectional transfer case and the actuator, and includes a connection method.

Abstract: The present invention provides a changeable linear speed reduction clutch, which is formed by connecting a changeable linear speed double-layer planetary gear train and a brake, and is transmission machinery with functions of both a speed reducer and a clutch. A planetary carrier of the changeable linear speed double-layer planetary gear train is used as an input end, one central gear as an output end, the other central gear as a braking end, and the braking end is directly connected to the brake; and the changeable linear speed double-layer planetary gear train adopts one of two types of planetary gear trains. The brake at least has two states, that is, braking and non-braking states, wherein the braking state of the brake is equivalent to an engaged state of the clutch, and the non-braking state of the brake is equivalent to a disengaged state of the clutch.

Abstract: An independent oil cavity sealing structure for a submersible electric pump. The structure comprises a housing, upper and lower moving rings, upper and lower static rings, a transmission sleeve and upper and lower pressing plates; the housing is sleeved on the main shaft of the electric pump, the outer sides of the upper and lower static rings are supported on the upper and lower static ring supporting bosses through O-shaped rings respectively, the inner sides of the upper and lower static rings are tightly pressed by the O-shaped rings through the upper and lower pressing plates, the main shaft of the electric pump between the upper and lower static rings are fixedly connected with the transmission sleeve through bolts, upper and lower moving ring seats are provided in the cavity which is formed between the inner wall of the transmission sleeve and the main shaft of the electric pump.

Abstract: An online monitoring device of 3D printing equipment includes a signal collection module, a signal processing module, a feature extraction module, a monitoring module and a knowledge base module. A vibration signal of a preset component of the 3D printing equipment is collected by a vibration sensor. The collected vibration signal of each preset component is converted from an analog signal to a digital signal and the spectrum characteristics are extracted. Based on the spectrum characteristics of each preset component, the operation state type of the preset component is obtained by a comparative analysis model. The knowledge base module is configured to store newly added samples and initial samples of the 3D printing equipment. The initial samples include spectrum characteristic information and corresponding fault category of known faults, and the newly added samples include spectrum characteristic information and corresponding fault category of new faults.

Abstract: A plug valve with adjustable actuation phases for controlling a flow rate by means of plug axial movement includes a power disk, a bearing, an inner spline, an outer spline, a valve stem, a pushing ring, a pushing fork, a plug body and a valve body. The plug body, the valve stem, the pushing ring and the outer spline are integrally formed, and are in spline connection with the power disk and the inner spline. The plug body has a special-shaped through hole in which a left portion thereof is narrow and a right portion thereof is wide. The valve body has a radial valve through hole, and the valve through hole corresponds to the plug special-shaped through hole provided at the same axial position segment, so that an actuating member for controlling actuation of a passageway is formed.