46results about How to "Simple and reliable action" patented technology

The invention discloses a press fit device for narrow and small space of automobile covering parts. The press fit device comprises a base, a jacking mechanism, a positioning and clamping mechanism anda press fit mechanism, wherein the press fit mechanism comprises a limiting air cylinder support, a jacking oil cylinder, a limiting air cylinder, a limiting mechanism, a telescopic guide column, a pre-press fit oil cylinder, a press fit oil cylinder, a press fit lifting base, position inductors, a module mounting plate, a press fit module, a pre-press fit module, travel switch check blocks, travel switches, a travel switch support and a press fit base; and the pre-press fit oil cylinder drives the pre-press fit module to advance, the jacking oil cylinder drives the press fit base to descend,the pre-press fit module follows to descend, the press fit base ascends, and the pre-press fit module ascends and retreats to complete pre-press fit. After the press fit base descends to a certain height, the press fit oil cylinder drives the press fit module to move forward, the press fit base drives the press fit module to descend to the original position again, the press fit base begins to ascend, after press fit action is realized, the press fit module retreats, and the press fit process is completed.

The invention relates to a crossbeam press multi-hydraulic cushion synchronous control system which comprises a plurality of groups of hydraulic cushions, a hydraulic cushion cylinder and an ejector cylinder, wherein the hydraulic cushions are connected with the hydraulic cushion cylinder and the ejector cylinder, the hydraulic cushion cylinder is connected onto a low-pressure return oil pipe by a hydraulic cushion control valve group which is connected with a control oil pipe, a retreat cavity oil inlet of the ejector cylinder is connected with the hydraulic cushion control valve group and a J-shaped electromagnetic directional valve, an ejector cavity oil way of the ejector cylinder is connected with the low-pressure return oil pipe by a safety overflowing valve, and the crossbeam press multi-hydraulic cushion synchronous control system is characterized in that the ejector cavity oil way of the ejector cylinder is further connected with a one-way valve and a synchronous cylinder which controls the hydraulic cushions to be synchronously ejected and retreated. The crossbeam press multi-hydraulic cushion synchronous control system has the advantages of being capable of ensuring that the multiple hydraulic cushions can be synchronously ejected and retreated, controlling a mold core in a mold to stably work, avoiding blocking of the mold core, improving the press forming precision and pass percent of a car crossbeam, and being convenient to debug and simple to maintain.

The present invention discloses an optical pass sharing protecting method in DWDM optical transmission system. On two optical transmission units which requires to provide protecting node in the transmission system, two sharing protecting units with same structure and four input optical signal monitoring units which also have same structure form a protecting device. The invention has the advantagethat the operation between nodes is totally harmonized by the on-off state of signal. The coding / decoding and signal analysis are not required similarly to protection to switching protocol by APS. The protecting device of the invention has the advantages of simple structure, no effect to the service structure of existing OADM looped network, and no change to the structure of network device. The purpose of service protection can be realized through directly adding a sharing passage protecting chassis. Furthermore the automatic protection switching and recovering can be realized without protocol software management. The restriction of loop node number does not exist. The time for switching and recovering is irrelevant to the length of loop and node number. The protecting device of the invention also has the characteristics of strong extendibility, convenient upgrading and reconstruction of network, simple and reliable action, multi-point failure protection, etc.

The invention discloses a hemming device for a narrow space of an automobile cover, which comprises a base, a jacking mechanism, a positioning and clamping mechanism, and a hemming mechanism. The hemming mechanism includes a limit cylinder bracket, a jacking cylinder, a limit Position cylinder, limit mechanism, telescopic guide column, pre-wrapping cylinder, wrapping cylinder, wrapping lifting seat, position sensor, module mounting plate, wrapping module, pre-packing module, travel switch block, travel switch, travel The switch bracket, the wrapping base; the pre-wrapping cylinder drives the pre-wrapping module forward, the jacking cylinder drives the wrapping seat down, the pre-wrapping module descends, the wrapping seat rises, the pre-wrapping module rises and retreats to complete the pre-wrapping. After the hemming seat descends to a certain height, the hemming oil cylinder drives the hemming module forward, and after the hemming seat drives the hemming module down again, the hemming seat starts to rise. After the hemming action is realized, the hemming module moves backward to complete the hemming process .

The invention discloses a high-speed wire double production line swinging wire separation device, comprising a single-wire output roller table and a double-wire input roller table. The double-wire input roller at least comprises an A line roller table and a B line roller table and provided with a roller table swinging device at the input end thereof for butting the entrances of two roller tables therein with the exit of the single-wire output roller table in a swinging way and reciprocating in cycle to achieve the wire separation, i.e. a single production line is divided into double production lines. The device changes the fixed heat-preservation roller table structure into the swinging heat-preservation roller table structure through the heat-preservation roller table frequently used in high-speed wire production line, thereby omitting special wire separation roller tables, greatly optimizing the production process and reducing the investment cost of equipment; and the high-speed wire double production line swinging wire separation device has the characteristics of simple and reliable operation and structure and low failure rate, and the advantages of continuous rolling, short wire renewing period, greatly improved production efficiency and no increase of space when used for renewing the old equipment, and the like.

The invention relates to an automatic locking and mutual unlocking mechanical arm device which is used in a climbing device. The climbing device comprises a left guide rail and a right guide rail which are arranged adjacently, the mechanical arm device comprises first mechanical arms installed on the left guide rail and the right guide rail, locking mechanisms installed on the first mechanical arm, unlocking mechanisms arranged on the left guide rail and the right guide rail and a positioning structure arranged on a building; and the locking mechanism can be locked in the positioning structure, the unlocking mechanism on the left guide rail can unlock the locking mechanism on the right guide rail from the positioning structure, and the unlocking mechanism on the right guide rail can unlockthe locking mechanism on the left guide rail from the positioning structure. The automatic locking and mutual unlocking mechanical arm device has the automatic attachment function, the automatic locking function and the automatic unlocking function, the stability, safety and reliability of the guide rails in the climbing process can be strengthened, the construction efficiency is improved, and the manpower cost is saved.

The invention discloses a lithium battery core-combining film removal device, which includes a core-combining assembly and a support assembly, the support assembly includes a support block for supporting the cover plate, and the core-compound assembly includes a support block arranged on the support block Composite core boards on both sides in the length direction, the film-catching conveyor belt is arranged on the board surface of the composite core board, the driving direction of the film-catching conveyor belt is perpendicular to the length direction of the support block, During the process, the running direction of the film-catching conveyor belt is from the inner end to the outer end of the composite core board. The film-catching conveyor belt has been constraining the insulating film, and the external force is applied to make the insulating film in a state of flattening and smoothing until the two composite core boards Until the battery core is completely clamped, the present invention has the following advantages: in the process of closing the core, the film-moving action of the insulating film can be automatically realized; the device can realize the film-moving while closing the core simply by relying on mechanical action, and the action is simple and reliable ; The whole process has no damage to the battery cell, which ensures the product quality.

The invention provides a negative-pressure conveying bin bottom material fetching device. The negative-pressure conveying bin bottom material fetching device comprises a material fetching device main body connection pipe, a bulk material bin, a valve body and an execution cylinder, wherein the material fetching device main body connection pipe is directly connected to the bottom of the bulk material bin; the side surface of the material fetching device main body connection pipe is connected with the valve body; a material fetching passage is formed in the valve body and vertically communicates with a material conveying pipe below the valve body; a valve element is arranged in the valve body; the rear end of the valve element is provided with a notch and is connected with the execution cylinder through a connection plate; the execution cylinder is connected with the valve body through an assembly plate; the part, connected with the material fetching device main body connection pipe, of the valve body is fixedly provided with a first sealing ring; when the valve element is at a closing state, sealing is maintained; and the rear end of the valve element is provided with a second sealing ring, and the second sealing ring moves along with the valve element, so that the interval between the valve element and the inner wall of the valve body is in a sealing state all the time. The negative-pressure conveying bin bottom material fetching device has the beneficial effects that a modular structure is adopted, so that movement is simple and reliable; and the assembly is rapid; space is saved; and no connection bend is needed.

The anti-explosion trackless rubber-tyred vehicle with the inverted arch block stable supporting function comprises a driving part, a steering part, a power part and a supporting part, at least two supporting pieces for supporting inverted arch blocks are arranged on the top face of the supporting part, and rotating body spherical hinge mechanisms are arranged at the rotating ends of the supporting pieces to form driving structures for the supporting pieces to swing horizontally. The swivel spherical hinge mechanism drives the supporting piece to be switched to be in a transverse supporting state or a longitudinal supporting state. On one hand, the swivel spherical hinge mechanism is adopted, stable and high-precision angle adjustment of the supporting piece is achieved, supporting of the supporting piece is stable, meanwhile, the supporting piece suitable for transverse supporting such as an inverted arch block can be supported in the transverse supporting state, and the supporting piece suitable for longitudinal supporting such as a concrete tank body can be supported in the longitudinal supporting state; therefore, the supportable supporting range of the supporting part is expanded.

The invention discloses a spiral wire stretching and retracting temperature-driving method and application thereof. The spiral wire stretching and retracting temperature-driving method is characterized in that a spiral wire is fixed in a limiting frame, when the temperature of the spiral wire changes, the spiral wire expands or contracts, and finally the end of the spiral wire is moved; and the movement of the end of the spiral wire is used for driving a mechanical part to act, so that the actions such as opening and closing of a valve are achieved.