206results about How to "Guaranteed replacement" patented technology

The precise multifunctional incremental pressing die includes a lower die, an upper die, an internal guiding mechanism and an outer guiding mechanism. The upper die includes an upper die seat, a convex die back plate, an unloading back plate, and an unloading plate. The lower die includes a lower die seat, a concave back plate and a concave die plate. The outer guiding mechanism includes a large guide pin, a large ball sleeve, a large guide sleeve and a spring. The internal guiding mechanism includes a small guide pin, a small ball sleeve, a small guide sleeve and a spring. The making process features that the unloading plate and the concave die plate are fastened together.

The invention discloses a file protection method and system. The method comprises the following steps: creating a security catalog by a system manager, and generating a system manager ID and a system manager ticket according to system manager information, wherein the manager has an authority of operating a user authority description table, users can be authenticated to use self-defined user tickets to carry out user authentication, and all the authority information of the users is recorded in the user authority description table; continuously detecting the user operations in the security catalog and giving response in real time to determine whether to protect files, wherein the protection is re-packaging the files into uniform-format files after extracting and encrypting the file contents; and adopting a three-layer secret key generation structure of the files to achieve the aim of encrypting or decrypting the files. The method and the system are based on the security catalog, so that real-time, secure and efficient protection is provided for the files of any format through managing the users, monitoring the files, generating file secret keys in layers and managing the files.

The invention relates to a full-automatic air panoramic data collection system. The system comprises a control terminal and a flying platform, wherein the flying platform comprises a multi-rotor unmanned aerial vehicle (UAV) and a camera mounted on the multi-rotor UAV; the control terminal comprises a point location planning module used for planning the location and the height of a collection point, and a parameter setting module used for setting a horizontal spacing angle and a vertical inclination angle; the multi-rotor UAV carries out positioning and shooting angle adjustments according to the planned collection point and set parameters; and the camera is used for shooting when the multi-rotor UAV is located at the set collection point and the set shooting angles. Compared with the prior art, the system and the control terminal provided by the invention have the advantages that automatic shooting is achieved, and manual operations are not required, so that the accuracy is high.

The invention provides a machining device for textile production, and belongs to the technical field of machinery. The machining device solves the technical problems that existing textiles are inconvenient to wind, low in efficiency and the like. The machining device for textile production comprises a rack, wherein a cutting mechanism for cutting textile fabric is slidably arranged on the rack, a support is rotatably arranged on the rack, a plurality of winding rollers are rotatably arranged on the support, an upper supporting frame and a lower supporting frame used in cooperation with the winding rollers are slidably arranged on the rack, an annular first sliding groove is formed in the upper supporting frame and the lower supporting frame, a sliding block is arranged on the first sliding groove in a sliding mode, fixing mechanisms for fixing the textile fabric are arranged on the winding rollers and the sliding block correspondingly, a moving mechanism capable of moving the textile fabric to a winding mechanism is arranged at the upper end of the rack, a sleeving mechanism for sleeving the winding rollers with winding paper cores is arranged on the rack in a sliding mode, and a discharging mechanism for taking down the wound textile fabric is further arranged on the rack. The machining device has the advantages of being convenient for winding and high in efficiency.

Provided is a method for rapidly withdrawing a fully mechanized coal mining face device of a steep seam. The method comprises: when the upper end of a work face is stopped to a stopping line, tunneling a quadrant arc withdrawing roadway along the upper end of the work face; installing a tailgate main winch and an auxiliary winch used to recycle a fully mechanized coal mining device in a tailgate; at the same time, laying a work face withdrawing slide in a coal face, after a coal cutter is withdrawn, withdrawing supports and scraper conveyers which are to be recycled and transferred one by one and block by block from bottom to top in sequence through the work face withdrawing slide and the arc withdrawing roadway, and withdrawing devices in a haulage way at the same time, to complete rapid withdrawing of the work face devices. The method is convenient in operation, simple in implementation, and is safe and effective, and can rapidly realize withdrawing of the fully mechanized coal mining face devices of a steep seam.

The invention provides a swaging and limiting device for a track board of a ballastless track of a railway. The device comprises a swaging body of which both ends are respectively swaged on an upper base plate and an lower base plate, and a pull rod which is used for fixing the swaging body, wherein a penetrating hole is formed in the swaging body, a curve groove is formed in the upper end of the penetrating hole, and an opening of which the inner diameter is extended is formed in the lower end of the through hole; the device further comprises a rotating component which is used for matching with the curve groove in a rotary manner, and the pull rod penetrates through an upper hole site of the rotating component and the penetrating hole of the swaging body to be connected with the track board or a base board; and the swaging body is locked by the upper end of the pull rod through a bolt. The swaging and limiting device disclosed by the invention is mounted outside a structure without damaging the track structure, the stress is clear, synergistic reaction between the track board and the base board is ensured, and the mounting, the checking and the exchange of all components are convenient; and after upwarp defect of the ballastless track structure is repaired, the limiting device can also be dismantled to enable the ballastless track structure to restore an original state, and the security and the ride comfort of high-speed railways and the lateral stability of lines are ensured.

The invention discloses a lead packing device and method of screw pin for the opened mass from robbing or changing, which comprises the following parts: metal cap, sliding sleeve jacketed the through-hole of metal cap, screw pin to pierce the sliding sleeve, baffle piece to inhibit the screw head, separatible piece fixed in the central through-hole of baffle piece and lead to seal kinds of piece in the metal cap. The invention ensures the pin head from blocking by lead during device deblocking time, which can be detached fluently. Otherwise, the convex-concave pattern is printed on the lead surface, which selects deep and light color of impurity in the point and lead with different depths as false proof mark to be reserved in the database system of telephone net or internet, in order to test the truth or false of lead for manager.

The invention relates to a system for collecting high-voltage power line tree-barrier defects, which comprises a control terminal and a flight platform. The flight platform comprises an unmanned aerial vehicle and a camera mounted on the unmanned aerial vehicle. The control terminal comprises a path selecting module for selecting the starting and ending towers and navigating flight routes, a parameter setting module for setting flight height, forward overlaps and side overlaps, a navigation control module for controlling the unmanned aerial vehicle according to the set path and the parameters; a point cloud data acquisition module for obtaining point cloud data of the towers and the lines; a tree barrier defect analysis module for calculating a tree barrier defect from the point cloud data; and the camera collecting images on the flight path. In addition, the invention also provides a method and a control terminal for collecting the high-voltage power line tree-barrier defects.

A frame (10) for an x-ray inspection device comprises a structural member (16) to which is pivoted an arcuate frame (21). An x-ray source (12) is in use mounted directly to the member (16), and an x-ray detector (13) is movable around the frame (21). A three axis sample support for items to be imaged is arranged between the source (12) and detector (13). The frame (10) of the invention is particularly rigid.

The invention discloses an NAND flash memory-oriented buffer area management method, which comprises the following steps of: dividing a database buffer area into a cold clean linked list, a cold dirtylinked list and a mixed linked list, and numbering the cold clean linked list, the cold dirty linked list and the mixed linked list according to an overall access sequence; on the overall logic, thebuffer area is regarded as a single linked list organized according to an access sequence, a time window concept is provided, and data pages accessed in the latest period of time are covered; when buffer replacement occurs, checking whether a data page pointed by the tail of the linked list is in a time window or not according to the priority sequence of the cold clean linked list, the cold dirtylinked list and the mixed linked list; if so, searching a next linked list; and if not, directly replacing. According to the method, the flash memory write operation frequency is reduced while a relatively high hit rate is obtained, so that higher cache income is obtained, and the overall performance of the storage system is improved.

The invention belongs to the technical field of civil engineering and relates to a grouting method used for vibration isolating and denoising outside subway tunnel segments. On the basis of vibration isolating and denoising materials, the grouting method incudes construction processes of selecting grouting holes, burying grouting pipes, determining proportion of vibration isolating and denoising resin and catalyst, injecting the proportioned resin and the catalyst into the grouting holes, washing machines and tools, stopping pumping and detaching an injection gun for secondarily grouting every three to five tunnel segments, and an integral isolator is formed to isolate vibration spreading. By the grouting method, the purpose of vibration isolating and denoising is effectively achieved, loose structure of the surrounding rock can be changed in time, integral strength of the rock is improved, construction is safe and reliable, construction speed is accelerated, normal replacement of working surfaces is guaranteed, shield excavation can be applied when passing the fault and the abnormal areas, even in the area with large vibration affection, and the grouting method is worthy of popularization and practical.

The invention discloses a rapid positioning and clamping system for a flexible vehicle body welding line gripper clamp assembly. The rapid positioning and clamping system for the flexible vehicle body welding line gripper clamp assembly comprises the gripper clamp assembly and at least four upright posts, wherein the gripper clamp assembly comprises a frame; a gripper clamp is arranged on the frame; the at least four upright posts are mounted on a welding line platform and are used for carrying the frame; a three-direction positioning mechanism and a two-direction positioning mechanism are respectively arranged on the at least two upright posts which are positioned on the same side of the central line of the welding line platform; one compressing mechanism used for compressing the corresponding three-direction positioning mechanism and the corresponding two-direction positioning mechanism is arranged on the side wall of each upright post positioned on the outer side of the welding line platform. The rapid positioning and clamping system is simple in working mode, high in positioning accuracy, and firm and reliable in positioning, and can meet the production of various vehicle types; meanwhile, the positioning accuracy in the X,Y and Z directions is ensured; the rapid positioning and compressing between a positioned body and a positioning body are realized.

The invention provides a special assorted tool for changing a leakage current meter of a lightning arrester in a live-working state. The tool comprises a tool box, the tool box comprises an upper cover and a box body, the upper cover and the box body are made of insulating materials, screw holes are formed in the upper cover and the box body, the position of the screw hole in the upper cover corresponds to the position of the screw hole in the box body, an insulating support is connected between the screw hole in the upper cover and the screw hole in the box body, and the insulating support is a porcelain insulator or a composite insulator. The tool provided by the invention guarantees a new working mode of changing the leakage current meter of the lightning arrester in the live-working state, thereby avoiding the power cut demand.

A rotor spinning spinning device including a cover encloses rotor housing. A replaceble groove plate adapter is arranged in the cover to feed fibre and doff. Doffing is processed by a doffing nozzle and at least a easily changed holder part which arranged in the rear. The twiddle rotate holder has a doffing hole basically in the centre. The twiddle rotate holder inserts directly in the groove plate adapter.

A special tool for overhead line hanging object laser cutting comprises a trolley; a rotary disc is arranged on the trolley; a laser is arranged on the upper surface of the rotary disc; the external side of a laser lens of the laser is connected with a casing; a position of the casing, which is arranged at a laser lens position, is provided with a through hole; a position inside the casing, which is arranged on one side of the through hole, is provided with a guiding column; a focusing lens is arranged inside the casing; one side of the focusing lens is provided with a first motor; a transmission shaft of the first motor is connected with a first screw; the other side of the focusing lens is provided with a first nut. When the special tool for overhead line hanging object laser cutting is applied to de-icing operation, the first motor drives the first screw to rotate to enable the size of laser spots of the laser to get larger to enable ice blocks to be melted uniformly and an electric wire is avoided from burning out caused by excessively small laser spots of the laser. When the special tool for overhead line hanging object laser cutting is applied to sundry removing, the first motor drives the first screw to rotate to enable the size the laser spots of the laser to get smaller and sundries are cut through the laser spots.

The invention relates to the technical field of road cleaning, in particular to a hand-push type electric non-motor vehicle lane ground cleaning machine which comprises a frame, a handlebar, a front dustbin, a rear dustbin, a hand vacuuming tube, a vacuuming motor, a sweeping brush, a brush motor, a lifting motor, a battery and a travelling mechanism. Slide bars are vertically arranged on the frame, sliders are arranged on the slide bars and are fixedly connected with the sweeping brush, the lifting motor is arranged on the frame, the output shaft of the lifting motor is in matched driving connection with a driving chain through a driving wheel, one end of the driving chain is fixedly connected with the sweeping brush, the travelling mechanism is arranged at the bottom of the frame, the battery is arranged on the frame and is located above the front dustbin, and each of the vacuuming motor, the lifting handlebar and the lifting motor is electrically connected with the battery. A battery cart comprises a frame, wheels, slide bars, sliders, lifting handlebar, a movable frame and a sliding shaft and is used for battery replacement for the cleaning machine; the hand-push type electric non-motor vehicle lane ground cleaning machine is multifunctional, applicable to various places and convenient for batteries to be replaced.

The invention discloses an abrasive block adapting device and a tread cleaner. The abrasive block adapting device comprises a cover plate and a base plate; V-shaped sliding rails are arranged on the two sides of the cover plate and can be installed in V-shaped grooves in the tread cleaner, and the cover plate can be fixed with a pressing plate on the tread sweeper; and the base plate is detachablyconnected with the cover plate, a mounting plate is arranged on a special-shaped abrasive block to be connected with the abrasive block adapting device, and when the base plate and the cover plate are connected together, a clamping groove for clamping the mounting plate is formed. When the abrasive block adapting device provided by the invention is used, the special-shaped abrasive block to be connected is installed in the clamping groove formed by the base plate and the cover plate, then the V-shaped sliding rails of the cover plate are installed in the V-shaped grooves in the tread cleaner,and the cover plate is fixed with the pressing plate on the tread sweeper. The special-shaped abrasive block can be installed on the tread cleaner with the V-shaped grooves, and the abrasive block adapting device can be used for adapting special-shaped abrasive blocks of different types without replacing or detaching the tread cleaner.

The invention discloses a connection structure of a tool bit and a host of hair scissors. The connection structure comprises the host and the tool bit; the host comprises a driving shaft; the tool bit comprise a movable blade, a movable tool frame, a fixed blade and a fixed tool frame; the front end of the host is provided with an accommodating groove which is used for accommodating the tool bit; the tool bit is detachably assembled in the accommodating groove; the fixed tool frame is provided with a first connection portion; the host is provided with a second connection portion which is used for being detachably connected with the first connection portion; the first connection portion is connected with the second connection portion in a rotating mode; the fixed tool frame is provided with a third connection portion; the host is provided with a fourth connection portion which is used for being detachably connected with the third connection portion; the third connection portion is fixedly connected with the fourth connection portion; the movable tool frame is provided with a shaft groove which is used for being in insertion joint matched with the driving shaft. According to the connection structure of the tool bit and the host of the hair scissors, the tool bit is not separated from the host when the tool bit is cleaned and the tool bit can be replaced.

The invention discloses equipment for replacing an electric meter without interrupting power supply. The equipment comprises a jointing clamp and a short circuit box. The short circuit box comprises abox body, a short circuit column, a conduction sheet, a push button and a fixing assembly. One end of the short-circuit column is connected with the conduction sheet, the other end of the short-circuit column is an insertion end, the conduction sheet is connected with one end of the push button, the other end of the push button is arranged outside the box body, the push button moves relative to the box body, and the fixing assembly arranged at two sides of the box body and used for fixedly connecting the short-circuit box with the jointing clamp. The jointing clamp is provided with a jack, athreading hole and a screw hole which are matched with the short circuit column, the threading hole and the screw hole vertically penetrate through each other, the conduction sheet is connected between the jack and the screw hole, the side surface of a conducting column is provided with a thread, the bottom of the conducting column is provided with a linear groove, and the screw hole is connectedwith the conducting column in a matching way. After the short circuit column on the short circuit box is inserted into the jack of the junction box, short circuit between incoming and outgoing lines of each phase of the electric meter is realized, the electric meter can be replaced under the condition of uninterrupted power supply, and normal power utilization of a user is ensured.

The invention relates to extraction equipment for a bird's nest extract with an anti-oxidative effect. The extraction equipment comprises a main body, a drying mechanism and a deoxygenation mechanism,wherein the drying mechanism comprises a power assembly and a drying assembly; the deoxygenation mechanism comprises a shell, a rotating block, a discharge pipe, an air inlet pipe, an air outlet pipe, an air suction pump, a protective cover, a third motor, a material storage tank and two cavities. According to the extraction equipment for the bird's nest extract with the anti-oxidative effect, the drying mechanism can drive an extracting tank to make a reciprocating motion up and down, so that the bird's nest extract is enabled to be evenly distributed in the extracting tank, the drying effect of the extraction equipment is further improved, and the working efficiency of the extraction equipment is accordingly increased; the deoxygenation mechanism can enable the air to flow in a circulating way in the extracting tank and the cavities, so that the oxygen content of the air can be reduced by means of a deoxidant, and the anti-oxidative effect of the extraction equipment is further improved; therefore, the quality of the bird's nest extract extracted by using the extraction equipment is improved.

The invention discloses a mechanical seal for starting a water feeding pump, which comprises a mechanical seal pressing cover, a mechanical seal connecting ring, a mechanical seal shaft sleeve, a fixed ring, a sleeve ring, a movable ring, a movable ring seat and a plurality of helical springs. The mechanical seal pressing cover is sleeved on a pump shaft, the mechanical seal connecting ring is connected on the inner end face of the mechanical seal pressing cover, a mechanical seal cavity is jointly formed by a groove of the mechanical seal connecting ring and an inner cavity of the mechanical seal pressing cover, the mechanical seal shaft sleeve is fixed onto the pump shaft, the fixed ring is embedded to the inner end of the inner circumferential surface of the mechanical seal pressing cover, the sleeve ring is fixedly sleeved at the inner end of the mechanical seal shaft sleeve through stop screws, the movable ring seat is fastened on the sleeve ring in an axially movable manner, the movable ring is sleeved in the middle of the mechanical seal shaft sleeve in an axially movable manner, the outer end face of the movable ring is opposite to the inner end face of the fixed ring, the inner end of the movable ring is embedded between the movable ring seat and the sleeve ring, and the helical springs are circumferentially arranged between the movable ring seat and the sleeve ring, so that the inner end face of the fixed ring constantly and slidably fits with the outer end face of the movable ring.

The invention provides an electronic device and a connecting seat, wherein the electronic device comprises: at least one electronic element, a connecting head, comprising a main body and at least one insert angle arranged on the main body, wherein the main body of the connecting head is connected with the at least one electronic element; a first casing, for sealing the at least one electronic element and the main body of the connecting head in order to make the at least one insert angle of the connecting head appear out of the first casing; a second casing; a battery core, which is arranged in the second casing, in order to make the second casing seal the battery core; and a connecting seat, which is arranged in the second casing, in order to make the second casing seal the connecting seat, wherein the connecting seat comprises at least one insert hole for one-to-one accommodating the at least one insert angle of the connecting head.