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

The invention discloses a lightgage steel joist partition wall adaptive to a building error of a building structural body and a construction method thereof. The partition wall comprises a lightgage steel joist framework and a partition wall plate, wherein the lightgage steel joist framework comprises a ceiling guide rail with a preserved hole, a ceiling keel, a top keel, a vertical keel and a bottom keel from top to bottom; the ceiling guide rail is fixed on the lower part of a ceiling structural body through a fixing element; the ceiling keel and the top keel are provided with upper and lower adjusting screw rod through holes distributed at intervals; the ceiling keel is adjustably fixed below the ceiling guide rail by using the upper and lower adjusting screw rods and a matched upper nut; the upper and lower positions of the top keel on the upper and lower adjusting screw rods are adjusted by using a lower nut; and the two nuts rotate in different directions. By adopting the partition wall, non-destructive detachment can be realized in a building process, a partition wall product is assembled in a modularized way, material waste caused by field cutting in a built-in constructionprocess is avoided, convenience is brought to assembly and disassembly, the consumption of resources used during household building and in the using process is lowered and the service life of households is prolonged. The partition wall can be widely applied to household building construction.

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.

A drive apparatus is provided which includes a motor and a control unit. The control unit has a heat sink secured to a cover. The motor is equipped with leads extending toward the control unit through a housing. The control unit has a substrate which is equipped with connectors detachably joined to the leads, thereby eliminating soldering or welding to achieve an electrical connection of the motor and the control unit. Such a connection is accomplished by inserting the leads into the connectors, thus eliminating the need for a special and large-sized equipment and resulting in a decrease in production cost of the drive apparatus. The non-destructive disassembling of the motor and the control unit is achieved by disengaging them from each other to remove the second terminal from the first terminal.

The invention discloses a design method of a fabricated frame joint of an H-shaped steel column and I-shaped beam horizontal pushing type dovetail tenon. H-shaped steel columns and I-shaped beams areprocessed and prefabricated, and the columns and the beams are transported to a construction site to be hoisted and are mounted on the site by using bolts; column-in separating plates, web connectingplates, stiffened plates and connecting beam mortise opening components are prefabricated in an H-shaped steel column joint region and are embedded in the H-shaped steel columns, and auxiliary steel columns bear bending moment force transmitted by connecting beam mortise openings; the web connecting plates are used for bearing shearing force of the joint; the stiffened plates are steel plates similar to triangles and connected with fixing column flange plates and the connecting beam mortise openings up and down; upper and lower flange thicknesses of the connecting beam mortise openings are connected with frame beams, the thickness of the inward flanging places of the connecting beam mortise openings is doubled, the width of the connecting beam mortise openings is equal to the width of theframe beams, and the total length of the connecting beam mortise openings is half of the height of the frame beams; upper and lower flanges of the ends of the frame beams adopt outward flanging, the thickness of the outward flanging places is doubled, and the dovetail tenon is formed; prefabricated components hoist the I-shaped beams to the corresponding positions based on the design of a tenon-mortise structure, the I-shaped beams are transversely inserted into column end mortise openings, a hoisting machine is removed, the I-shaped beams are kept stable, and screwing operation of bolts is finished.

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 relates to a design method for horizontal-pushing-type dovetail joint assembly-type frame nodes of a square steel tube column and an H-shaped beam. The method comprises the steps that the square steel tube column and the H-shaped beam are processed and prefabricated, conveyed to a site, hoisted on site, and installed through bolts; a column-in clapboard, a web connection plate, a stiffening plate and a connection beam mortise component are prefabricated in a square steel tube column node area and embedded in the square steel tube column, the stress of the reinforcement square steel tube column is stable, and an auxiliary steel beam bears the bending moment which is transmitted by a connection beam mortise; the stiffening plate is a steel plate in a shape similar to the triangle, the upper and lower portions of the stiffening plate are connected with a fixing column web and the connection beam mortise, and the thickness of the stiffening plate is slightly higher than thatof the thin edge of the connection beam mortise; frame beams are connected to upper and lower flanges of the connection beam mortise in the thickness direction, the inward turning portion of the mortise is thickened twice, and the total length of the mortise is half of the height of the frame beams; the upper and lower flanges of the frame beams are outward turned and thickened twice, and dovetailjoints are formed; through prefabricated components, based on the design of mortise and tenon construction, the H-shaped beam is hoisted to a corresponding position and horizontally inserted in a column end mortise, a crane is removed, the H-shaped beam is kept stable under the effect of mortise and tenon components, and screwing-up operation is completed.

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 spur gear differential (34) with a planetary carrier (2, 3) which is fixedly connected to the bearings (13, 14) in a rotationally fixed manner and which has and connecting rivets for the planetary pins (6) ( 38) holes (39, 40), wherein the hole soffits (41) completely surrounding each hole (39, 40) are formed from the material of the planet carrier (2, 3), wherein the bearings (13, 14) have Bearing ring (35), wherein at least one region of the inner edge of the planet carrier (2, 3) is arranged radially further outward than the outer edge of the toothing of the sun gear (7, 8).

The invention provides an internal formwork structure for an elevator shaft and a construction method. The internal formwork structure comprises segmental formwork plates for constructing an internalformwork, internal corner steel angles for protecting the segmental formwork plates, wall penetrating bolts for positioning the segmental formwork plates, split bolts for supporting the segmental formwork plates, wood braces for reinforcing the segmental formwork plates, and double steel tubes for reinforcing the segmental formwork plates. The internal corner steel angles are located at internal corners of the elevator shaft and are connected with the segmental formwork plates; the wood braces arranged horizontally serve as secondary braces for the internal formwork structure, and contact withvertical wood brace plugs in an attached mode; the double steel tubes arranged vertically serve as primary braces for the internal formwork structure. The internal formwork structure has the advantages that the separate design of the formwork is based on the internal corner steel angles, the segmental formwork plates can be mounted and demounted easily, and the problem that the segmental formworkplates are easily damaged due to no avoidance position between the segmental formwork plates and surrounding formwork plates is solved effectively.

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.

The invention discloses a lightgage steel joist partition wall adaptive to a building error of a building structural body and a construction method thereof. The partition wall comprises a lightgage steel joist framework and a partition wall plate, wherein the lightgage steel joist framework comprises a ceiling guide rail with a preserved hole, a ceiling keel, a top keel, a vertical keel and a bottom keel from top to bottom; the ceiling guide rail is fixed on the lower part of a ceiling structural body through a fixing element; the ceiling keel and the top keel are provided with upper and lower adjusting screw rod through holes distributed at intervals; the ceiling keel is adjustably fixed below the ceiling guide rail by using the upper and lower adjusting screw rods and a matched upper nut; the upper and lower positions of the top keel on the upper and lower adjusting screw rods are adjusted by using a lower nut; and the two nuts rotate in different directions. By adopting the partition wall, non-destructive detachment can be realized in a building process, a partition wall product is assembled in a modularized way, material waste caused by field cutting in a built-in construction process is avoided, convenience is brought to assembly and disassembly, the consumption of resources used during household building and in the using process is lowered and the service life of households is prolonged. The partition wall can be widely applied to household building construction.

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 relates to the technical field of pipe dismounting machines, and discloses a head mechanism of a nondestructive hydraulic pipe dismounting device, which comprises a driving end, an external pressure pipe is arranged on the right side of the driving end, a plurality of hydraulic pipes are symmetrically arranged on the left side of the driving end, hydraulic plugs are arranged in the left sides of the hydraulic pipes, the left ends of the hydraulic plugs are interactively connected with push rods, middle wheels are arranged on the outer sides of the push rods, clamping sleeves are arranged on the outer sides of the middle wheels, pressure beads are arranged in the left sides of the clamping sleeves, and positioning sleeves are coaxially arranged in the clamping sleeves. According to the head mechanism of the nondestructive hydraulic pipe dismounting device, pressure beads move leftwards along inclined grooves in the upper surfaces of inclined surface blocks, so that the inclined surface blocks inwards push extrusion blocks to extrude pipes for necking down, gaps are formed in threaded connectors, meanwhile, inclined channels enable the inclined surface blocks to drive positioning sleeves to rotate, the threaded connectors rotate loosely, and micro rotation is added while necking down, so that the threaded connectors are loosened, and the pipes can be dismounted 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.

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.