39results about How to "Reduce overall layout space" patented technology

An optical device includes at least one kind of and a plurality of optical circuits optically connected in series wherein the optical circuits are arranged in a spiral on a common substrate.

The embodiment of the present invention discloses a digital card fixing device, comprising: a tray and a deck; the tray includes: a first groove for accommodating the first digital card; a second groove, perpendicular to the first groove It is set for accommodating the second digital card; the first groove and the second groove have partially overlapped hollow parts; the deck includes: a first elastic piece and a second elastic piece; wherein, when the tray is inserted into the deck, the second An elastic piece and a second elastic piece are exposed from the hollow part; when the first digital card is placed in the first groove, the first elastic piece is in contact with the metal contact of the first digital card; when the second digital card is placed in the second When the groove is inserted, the second elastic piece is in contact with the metal contact of the second digital card. The embodiment of the present invention implements a digital card fixing device compatible with SIM cards and SD cards. On the premise of not increasing the layout space, a digital card fixing device can flexibly meet different card usage requirements of users.

The invention relates to a passage device hydraulic control system of a cane harvester. The passage device hydraulic control system of the cane harvester comprises a closed type hydraulic pump, a leaf stripping hydraulic motor, a leaf division hydraulic motor, an output hydraulic motor, a washing valve and a throttling valve, wherein the closed type hydraulic pump is connected to a push rod handle of an operation room through a flexible shaft coupler, the closed type hydraulic pump, the leaf stripping hydraulic motor, the leaf division hydraulic motor and the output hydraulic motor are sequentially connected in series to form a closed loop, the washing valve is connected in the closed loop in parallel, and the leaf division hydraulic motor and the output hydraulic motor are respectively connected with the throttling valve in parallel. The hydraulic control system is suitable for passage work for cane harvesting, and can generate large carrying capacity in the leaf stripping process. The serial-connection structure can effectively reduce pipeline connection and spatial layout compared with an independently controlled parallel-connection structure, the leaf stripping motor can increase output torsion to prevent canes from being blocked in a passage, different speeds of the motors can be adjusted through the throttling valve, and passage work is coordinated.

The present invention provides a power supply module for expanding the working power range of a diesel engine electronic control system, including a DC-DC converter U1, a linear voltage regulator U2, a single-chip microcomputer U3, an anti-current backflow diode D1 and a switch control module. The DC converter U1, the anti-current backflow diode D1, the linear voltage regulator U2 and the core power supply terminal Vcore of the single-chip microcomputer U3 are sequentially connected, and the output terminal of the DC-DC converter U1 is also connected to the interface power supply terminal Vcc of the single-chip microcomputer U3; Both the DC-DC converter U1 and the input terminals of the switch control module are connected to the battery voltage. The invention adds a switch control module on the basis of the traditional power supply technology to realize the expansion of the working power supply range, has few components, low cost, hardly increases the layout space of components, and has strong implementability and popularization.

The invention discloses a loading simulation device for a test bed of a wind turbine. A driving shaft is connected with a flange and a mainshaft flange of the wind turbine by a single-flange flexible shaft coupler, a torque sensor, a flange and a loading shaft; two ends of the loading shaft are supported in the bearing seat respectively; one end of each of four vertical dual-action oil cylinders is connected with a base; the other end of each of the four vertical dual-action oil cylinders is symmetrically connected at two sides of a loading bearing seat respectively; one end of each of two axial dual-action oil cylinders is connected with the base respectively; the other end of each of the two axial dual-action oil cylinders is connected with the loading bearing seat close to the mainshaft flange end of the wind turbine mainshaft; one end of each of two connecting rods is connected on the base; and the other end of each of the two connecting rods is connected with the lower part of each of the two loading bearing seats. The loading simulation device can be used for simulating various loads under practical running conditions of the wind turbine; the oil cylinder in only one direction is arranged in radial plane; the vertical force is converted into horizontal force by the connecting rods, thus realizing the loading of any radial forces; the loading simulation device has a simple and compact structure, has the advantages of reducing the arrangement space and cost, and can be controlled conveniently.

The invention discloses a power transmission case comprising a case body, an input shaft, an output shaft, a driving gear, a driven gear, a shift clutch, a toggle mechanism and a hydraulic motor. The case body comprises left case body and a right case body, subdivision surfaces of the left case body and the right case body are vertical planes, a bearing seat and an internal spline are arranged in a gear hole of the driving gear, two ball bearings are mounted in the bearing seat, the input shaft is provided with an external spline, the shift clutch is composed of a shift meshing sleeve, a meshing sleeve positioning mechanism and the internal spline of the driving gear, the meshing sleeve positioning mechanism is mounted on the input shaft, the shift meshing sleeve is provided with an internal spline and an external spline, the internal spline of the shift meshing sleeve is meshed with and in axial sliding fit with the external spline of the input shaft, the external spline of the shift meshing sleeve can be meshed with or separated from the internal spline of the driving gear, and the toggle mechanism comprises a toggle cylinder, a fork pull rod and a fork. The power transmission case is simple and reasonable in structure and easy to manufacture, the requirements for high-speed running and low-constant speed operating, running and driving of a rapid multifunctional operating vehicle are met.

A lens barrel having a reduced size and a related optical apparatus is disclosed. The lens barrel includes a cylindrical fixed frame and a cylindrical movable frame. The cylindrical first frame includes an outer wall extending around the optical axis and a cylindrical second frame is inserted thereto the first frame. The first frame includes a notch having first assembly portions at both side portions. The second frame includes second assembly portions that are assembled to be fixed to the first assembly portions.

The invention discloses a dual-countershaft transmission structure with a synchronous solid shaft and a shifting method of the dual-countershaft transmission structure. The dual-countershaft transmission structure comprises a solid input shaft and a hollow input shaft, wherein the solid input shaft is in transmission matching with an output shaft through an odd-gear countershaft, the hollow input shaft is in transmission matching with the output shaft through an even-gear countershaft, the solid input shaft is sequentially sleeved with a solid shaft fixed connecting synchronous gear and a solid shaft fixed connecting gear from the first end to the tail end, the solid shaft fixed connecting gear is respectively meshed with an odd-gear countershaft fixed connecting gear and an even-gear countershaft hollow sleeve gear, the solid shaft fixed connecting synchronous gear is meshed with an even-gear countershaft hollow sleeve synchronous gear, the even-gear countershaft is respectively in transmission matching with the even-gear countershaft hollow sleeve synchronous gear and the even-gear countershaft hollow sleeve gear through a synchronous friction wheel, and the even-gear countershaft fixed connecting gear is meshed with a hollow shaft fixed connecting gear on the hollow input shaft. According to the dual-countershaft transmission structure disclosed by the invention, the structure is simple, the arrangement space is small, the maintenance is convenient, and the production cost is low.

The invention relates to a double middle shaft transmission structure with hollow shaft synchronism and a shifting method thereof. The structure comprises a solid input shaft and a hollow input shaft, wherein the solid input shaft is in transmission matching with an output shaft through an odd-shift middle shaft, the hollow input shaft is in transmission matching with an output shaft through an even-shift middle shaft, the hollow input shaft is sequentially sheathed with a fixing connecting synchronous gear of the hollow shaft and a fixing connecting gear of the hollow shaft from front end to tail end, the fixing connecting gear of the hollow shaft is respectively engaged with a hollow sheath synchronous gear of the odd-shift middle shaft and a fixing connecting gear of the even-shift middle shaft, the fixing connecting synchronous gear of the hollow shaft is engaged with the hollow sheath synchronous gear of the odd-shift middle shaft, the odd-shift middle shift is respectively in transmission matching with the hollow sheath synchronous gear of the odd-shift middle shaft and the hollow sheath gear of the odd-shift middle shaft through synchronous friction wheels, the fixing connecting gear of the odd-shift middle shaft is engaged with the fixing connecting gear of the solid input shaft, and the fixing connecting gear of the solid input shaft is sheathed on the solid input shaft. The structure has the advantages that the structure is simple, the arrangement space is little, the overhauling is convenient, and the production cost is low.

The invention provides a steering-by-wire fault-tolerant device and its control method. The fault-tolerant device includes a signal acquisition unit, an electronic control unit and an actuator. The control unit and the electronic control unit control the locking and disconnection of the steering motor, road sense motor and electromagnetic lock according to the rotation angle signal, so as to realize the mechanical connection between normal steering and failure, and ensure that the vehicle does not lose its steering ability under any circumstances. The device of the invention has a compact structure and takes up little space. When the motor fails, it can be transformed into a motor power steering mode or a purely mechanical steering mode without affecting the steering system.