37results about How to "Non-destructive disassembly" patented technology

The invention discloses a phased array antenna beam control device and aims to provide a phased array antenna beam control device which is low in power consumption, small in size, high in reliability,good in expandability and strong in universality. According to the technical scheme, the beam control device is realized through the following technical scheme: n doughnut shape-like connectors are interconnected through sub-cards, fixedly connected onto an adaptive bottom plate and connected with a TR module control interface, a power interface and an end machine control interface; 1-n signal processing sub-boards are respectively fixed inside the doughnut shape-like hollow-out areas of 1-n doughnut shape-like connectors so as to form a signal processing sub-board embedded doughnut shape-like connector; the adaptive bottom plate is matched with the phased array antennas of different platforms through the TR module control interface; a selected signal processing sub-board receives a communication instruction from a beam control system end computer by means of the TR module control interface and the state monitoring interface; the communication instruction is analyzed and a wave position code is calculated; a control time sequence is outputted to the doughnut shape-like connector; the doughnut shape-like connector fans out the control signal pin of the signal processing sub-board to a TR module which needs to be controlled through the adaptive bottom plate.

The invention discloses a self-adapting building structure construction error construction method of a light steel keel partition wall. The method comprises the following steps: (1) establishing a light steel keel partition wall structural model by computer-aided design; (2) carrying out damage degree evaluation under the action of explosion load on the light steel keel partition wall structural model; (3) producing uppermost keels, top keels, vertical keels, bottom keels and partition plates according to the qualified light steel keel partition structural model; (4) during on-site construction, cleaning the ground and ceiling of the structure, and carrying out paying-off according to the partition wall configuration position in the drawing; and (5) according to the paying-off position, carrying out assembly construction on the light steel keel partition wall by using the produced uppermost keels, top keels, center keels, bottom keels and partition plates in accordance with the qualified light steel keel partition wall structural model. The industrialized partition wall keels can adapt to the vertical construction errors of the structure floor slabs in the installation process.

The invention relates to a dual-in-line package chip dismounting device which can solve the problem that a dual-in-line package chip is difficult to dismount rapidly in a lossless manner during maintenance of a circuit board. The dual-in-line package chip dismounting device includes a circuit board fixing unit (1), a molten tin bath unit (2), a heating temperature-control unit (3), a positioning unit (4), an operation display unit (5) and frames (6, 7, 9, 10). The dual-in-line package chip dismounting device is easy to operate, can rapidly dismount dual-in-line package chips with different pins from the circuit board in a lossless manner.

The invention provides a shape memory composite material connecting device and belongs to the technical field of new materials. Connections are regarded as essential links in the application of composite material components and the connection performance directly affects the performance of a whole structure. However, the problems that fibers are broken due to hole punching, the stress concentration easily occurs and the structural reliability is poor exist during the current bolted or riveted connections of composite materials. In order to solve the above problems, the shape memory composite material connecting device is provided. The shape memory composite material connecting device is based on the shape memory recovery function of a shape memory composite material; the temperature change and the deformation of convex locking rings on connecting pipes are controlled by the adoption of electric heating; and the mechanical locking with joint grooves is achieved. In the assembly process, the connecting pipes are inserted into joints after being heated, and the mechanical locking is achieved after the connecting pipes are cooled to the room temperature. The shape memory composite material connecting device is designed to be a connecting device which is light in weight, can be disassembled without damage, can be automatically controlled, is suitable for composite material structures, can be applied to the fields of aerospace, automobiles, high-speed rails and the like, as well as has very broad application prospects.

The invention discloses a battery pack and a disassembling method thereof, the battery pack comprises a box body, a battery module and a self-heating bonding assembly, and the box body is provided with an accommodating cavity; the battery module is arranged in the accommodating cavity and comprises at least one battery cell; the self-heating bonding assembly comprises a heating layer, the heating layer is powered by the battery module, and the battery module is bonded and fixed in the containing cavity through the self-heating bonding assembly. According to the invention, the current high-integration battery can be disassembled in a lossless manner, the thermal runaway of the battery pack is prevented from spreading, and the residual electric quantity of the battery pack is fully utilized, so that the energy waste is reduced, and the disassembling difficulty of the battery pack can be reduced.

The invention relates to the technical field of automotive test, in particular to a cam-link mechanism to demount and mount wiper springs. The cam-link mechanism disclosed herein comprises: a dual-rocker mechanism, comprising a driving rocker, a driven rocker, a link and a frame, wherein one end of the driving rocker and one end of the driven rocker are connected with the frame, the other ends ofthe driving rocker and driven rocker are connected with the link, and the other end of the link is connected with a C-shaped hook of a wiping rod assembly; a cam mechanism composed of a cam and a handle, wherein the handle is connected with the cam, and the cam is in contact with the driving rocker, the handle is rocked to rotate the cam to drive the driving rocker to rock, the driving rocker drives the driven rocker and the link to move, and the link moves back and forth to drive the C-shaped hook so as to complete spring demounting and mounting. The cam-link mechanism has the advantages thatwiper springs can be demounted and mounted in nondestructive manner, test precision is guaranteed, safety and reliability are good, the problem is solved that an original demounting-mounting mode ishigh in time and labor consumption, easily causes damage to parts and has certain danger, and the innovation and development range is wider in the field of wiper test.

The invention discloses a grinding wheel rod tool-changing assembly. The tool-changing assembly comprises a grinding wheel rod, the grinding wheel rod is provided with a connector and is connected with the axis of a main shaft through the connector, and the grinding wheel rod tool-changing assembly further comprises a fastening piece, a sliding jacking-out structure and a stop piece; the grindingwheel rod is provided with an operation hole, the fastening piece is movably mounted in the operation hole, the fastening piece and the axis of the main shaft are fixed through threads, and the stop piece is fixedly mounted in the operation hole; the sliding jacking-out structure is slidably mounted in the operation hole and is located between the stop piece and the fastening piece, and the sliding jacking-out structure is provided with a through hole; and the fastening piece rotates relative to the axis of the main shaft through the through hole and moves along the operation hole until the fastening piece abuts against the sliding jacking-out structure, and the grinding wheel rod connector is driven to be separated from the axis of the main shaft through the sliding jacking-out structure.

The invention relates to a brake component dismounting device. The device comprises a cone block, an expansion block, a threaded rod, a fastening nut and a limiting plate. The cone block is fixedly connected to the bottom end of the threaded rod, and the outer portion of the cone block is movably connected with the expansion block. The expansion block and the cone block can be installed inside a brake cylinder after installation, and the limiting plate seals an opening of the brake cylinder by tightening the fastening nut. When the threaded rod is pulled, the cone block expands the expansion block to make the device and the brake cylinder to be much firmer in connection.

Provided is a dual clutch (1, 22, 26) with a first sub-clutch (2) and a second sub-clutch (3), and an input element (4) of the dual clutch can be detachably connected with an output (5, 6) by the first sub-clutch and the second sub-clutch. The first sub-clutch has a first outer clutch plate carrier (8) and a first inner clutch plate carrier (10). The first outer clutch plate carrier has a first outer clutch plate (7) having a first inner clutch plate (9). The second sub-clutch has a second outer clutch plate carrier (12) and a second inner clutch plate carrier (14). The second outer clutch plate carrier has a second outer clutch plate (11), and the second inner clutch plate carrier has a second inner clutch plate (13). The first outer clutch plate carrier and the second outer clutch platecarrier form a one-piece member, or the first outer clutch plate carrier and the second inner clutch plate carrier form a one-piece member.

The invention discloses a quick removal device for a spring retaining ring, which comprises a supporting circular plate, a load-bearing boss, a supporting threaded hole, a threaded rod, a knob ball, a limit baffle, a lower pressing plate, a protective nut, a matching circular groove, and a communication hole , Fitting circular plate, suspension tie rod, reinforcing rib block, square inserting plate, threaded column, rotating plate, connecting plate, pressing rod, positioning convex ball, circular sleeve plate, copper gasket, bending pressing plate. The structure principle of the device of the present invention is simple, and the device is fixed on the product to be disassembled by the connecting plate at the upper and lower positions of the threaded rod, and the semicircular convex ball is used to find the center point of the support, and the bending platen on the lower side is made when the threaded column is rotated Press down under force, and the upper side of the matching circular plate rotates up and pulls up. The multi-claw setting can apply force at the same time, and disassemble without damage and effort, which is fast and effective.

The invention provides a nondestructive quick-release concrete impermeability meter. Structurally, the nondestructive quick-release concrete impermeability meter comprises a concrete nondestructive quick-release device, a working table, an anti-seepage support box, a regulating knob, a residual material discharge port, and a locking flange, wherein the concrete nondestructive quick-release deviceis fixedly connected with the working table through the locking flange, and the residual material discharge port is fixedly installed at the right end of the front of the anti-seepage support box. After a single experiment of a concrete experiment barrel for anti-seepage experiment, the concrete experiment barrel is drawn outward directly under pulling by an external clamp piece, an active inner die is separated from a fixed die directly, a die press separating mechanism makes the bottom vacant in test, a nondestructive release mechanism on the side wall is pulled out and then rotated and placed, so as to press a matched interdeep to make an internal impact needle to produce internal separation push force proactively to separate from a die piece proactively, therefore, the experiment barrel is more operable, the nondestructive quick-release concrete impermeability meter is applicable to experiment of a die piece of any thickness, and can release a die piece nondestructively.

The invention discloses a separating device for a clutch. The separating device comprises a transmission member, a hydraulic piston, a supporting member, and an elastic member. The transmission member has an end segment having a column-shaped cavity; the hydraulic piston can move axially on the surface relative to the end portion segment and is used for defining a hydraulic working cavity; the supporting member is installed on the member which is capable of rotating; the elastic member is used for providing the axial expanding force supporting between the component and the piston in order to reduce the hydraulic working cavity. As a result, the supporting member comprises a radial segment which is axially adhered on the elastic member and a axial segment which is adhered on the end portion of the component which is capable of rotating. The supporting is retained at the component which is capable of rotating along the axial direction by depending on a safety component.