86results about How to "Easy assembly and disassembly" patented technology

The invention discloses a double-type aluminum alloy walking arrangement for automatic MIG welding and a welding method thereof. The arrangement comprises a wire feeder walking trolley, a welding gunwalking trolley and a digital semi-automatic MIG welder; the wire feeder walking trolley is arranged on a wire feeding trolley rail and carries a wire feeder, the welding gun walking trolley is arranged on a welding gun trolley rail and fixedly provided with an oscillator, the oscillator is fixedly provided with a welding gun, the welding gun is connected with the wire feeder by a welding gun cable, and a signal wire is connected between the welding gun walking trolley and the wire feeder; and the MIG welder is connected with the wire feeder by a trunk cable. The walking arrangement can meet the production requirements of manual semi-automatic welding and can also fulfill the requirements of full-automatic welding at a flat welding position. The walking arrangement can reach the welding quality and welding efficiency equivalent to those of full-automatic welders, and has the advantages of low cost, applicable popularization and the like.

The invention relates to a relief valve for electric water heater. It includes valve body, internal relief valve seat, relainer ring, spring, internal relief valve core, external relief valve core, sealing washer, drawbar, regulating pressure cover regulating nut and screw rod, etc. Said invention also provides their connection mode and the concrete structure of the above-mentioned every component.

The invention relates to a high-precision RV speed reducer comprehensive testing device, which comprises a base, a first sliding platform, a second sliding platform, a first motor, a first torque sensor, a second motor, a second torque sensor, a first angle sensor, an input shaft bracket and an output shaft bracket. Compared with the prior art, the high-precision RV speed reducer comprehensive testing device designs the sliding platform assembly capable of being rapidly disassembled and assembled, so that the assembling and disassembling process of an to-be-tested RV speed reducer is more convenient and faster; the output shaft bracket and the input shaft bracket can be used for adapting to the requirements of sensors with different specifications; the limiting parts of the sliding platforms improve the test precision; the double-measuring-range torque sensors can adapt to measurement of speed reducers of different series models, and can also realize test of transmission precision under light load; an input shaft of the to-be-tested RV speed reducer is installed in two bearing inner rings sharing the same horizontal axis, thereby facilitating the adjustment of a bearing clearance;and the double-reading-head circular grating angle sensors meet the requirement that the transmission precision is tested in a high-speed state.

Three-phase magnetic cores for magnetic induction devices (e.g., transformers, coils, chokes), and methods for manufacturing them, are disclosed. The magnetic cores are generally constructed from three generally rectangular magnetic core frames having a stair-stepped configuration extending along side portions of the frames. The frames are arranged to form a triangular prism structure such that side portions of locally adjacent frames are uniformly engaged to form three core legs over which coils of a three-phase magnetic induction device may be placed.

The invention relates to a nonstandard concrete fracture performance test device, and belongs to the technical field of concrete material performance testing. The nonstandard concrete fracture performance test device comprises power transmission boards and a clamp block group, the power transmission boards are arranged at both ends of a concrete sample, the clamp block group is arranged on the power transmission boards, and is used for clamping the concrete sample, the clamp block group comprises two oppositely-arranged clamping blocks; each clamping block includes a holding part and a mounting plate which are mutually fixed together, the mounting plate is provided with a mounting hole; each power transmission board includes a power transmission board base and an articulated ear fixed on the outer side of the power transmission board base, the power transmission board base is provided with a plurality of fixing holes, and the clamping block blocks and the power transmission boards are fixedly connected by bolts passing through the mounting holes and the fixing holes. The nonstandard concrete fracture performance test device adopts an adjustable structure, is suitable for specimens of different sizes so as to meet the testing requirements of the specimens of different sizes, and has the advantages of simple and effective structure, easy assembly and disassembly, and the like.

The invention discloses a one-open-door three-closed-door four-door space device, which comprises transmission devices, opening and closing control devices, a support frame and four doors, wherein the support frame comprises two groups of supporting rods; the transmission devices comprise a center transmission device and one-way transmission devices; the center transmission device is fixed in the center of a square formwork of the support frame; each one-way transmission device is fixed at the upper end of each door, and is connected with the center transmission device; and each opening and closing control device is fixed at the lower end of each door, and is connected with the one-way transmission device of the same door through a support rod. The one-open-door three-closed-door space device has the advantages that the structure is simple; the assembling and the disassembling are easy; the space is saved; the problems of low ticketing service efficiency in a peak period and the like can be solved; and meanwhile, the device conforms to the new green and environment-friendly opinion.

The present invention is filter element life detecting method and device for drinking water purifier used in household and office. The drinking water purifier has structure comprising lower tub, middle tub and upper tub superposed successively, upper filter element in the bottom of the upper tub, and lower filter element in the lower part of the middle tub. The filter element life detection is completed with the water probe installed inside the middle tub and an alarm connected to the water probe. The water level inside the middle tub reflects the choking state of the lower filter element, and when the water probe inside the middle tub is immersed, it will send some signal and the alarm will process the signal to give out one acousto-optic prompt signal to show the status of the filter element.

The invention discloses a rotary pivot bearing used for driving by a shield spiral machine, which comprises an outer ring, an intermediate ring, an inner ring and a roller, the peripheral direction of the inner ring can be rotationally and axially positioned in the intermediate ring, a raceway used for accommodating the roller is provided between the inner ring and the intermediate ring, the roller can be positioned in the raceway in a rolling mode, the peripheral direction of the intermediate ring is chocked and is capable of axially rotating a setting angle to insert in the outer ring. According to the invention, a rotating shaft is allowed to possess offset value with a certain angle, thereby the impact caused by a spiral machine due to the swing of a screw rod during the operation can be reduced, the usage period of a bearing driven by the spiral machine can be substantially increased, the roller of the bearing employs a three-row roller form, so that the axial thrust and the reverse thrust caused by muck pressure on the bearing can be born when the spiral machine utilizes the positive and negative rotation, and the radial force generated by overturning moment which is generated by swing and deadweight of the rotating shaft of the screw rod on the bearing can be born, the outer ring and the intermediate ring employ a separate structure, thereby assembling and dismounting processes can be conveniently carried out.

The invention discloses a phased-array antenna and a design and expansion method thereof, and belongs to the technical field of antennas. The antenna comprises sub-array modules which are periodicallyarranged, wherein each sub-array module comprises a plurality of antenna units, a transceiving module and a beam synthesis network, the plurality of antenna units are arranged at uniform distance, the distance among the antenna units is larger than a signal wavelength, the antenna units are divided to various types according to a polarization position of a phase center, and the phase centers of different types of antenna units are arranged at different polarization positions. The regular array framework has relatively high actinal surface utilization efficiency, relatively low array element numbers and cost and is suitable for engineering assembly and mass production, and the expansion of a large-size array performance parameter is facilitated.

The invention relates to a carbon fiber workpiece mold adopting a novel demolding manner. The carbon fiber workpiece mold comprises a mold body, a plugging head, a compression air connector assembly and a pressing plate; during molding curing, the pressing plate is compressed through a pressing plate bolt, the plugging head is compressed through the pressing plate, the plugging head and the mold body are assembled together, in the demolding process, the pressing plate is compressed through the bolt, a connector is pressed through the pressing plate, the connector and the compression air connector assembly are assembled together with the mold body, and the mold achieves demolding through a compression air demolding manner. According to the carbon fiber workpiece mold, the compression air demolding manner is adopted, the problems that an acting point does not exist, and a workpiece is damaged by uneven stress during simple mechanical demolding are solved, and the problem that a core dividing block mold is difficult to assemble and position can be solved.

The invention provides a special tool for assembling and disassembling horizontal bus ground wires with excellent use effect. The special comprises a high-voltage insulated brake pull-rod, wherein the high-voltage insulated brake pull-rod comprises an operation rod; the upper part of the operation rod is fixedly connected with a work rod which is vertical to the operation rod; the top end of the operation rod is sleeved with a connection sleeve; the top end of the connection sleeve is fixedly connected with a sleeve rod; and an included angle between the sleeve rod and the connection sleeve is an obtuse angle.

The invention discloses a reusable energy-absorbing steering column of an automobile. The reusable energy-absorbing steering column comprises a steering wheel and a steering shaft, and is characterized in that the steering shaft is connected with a hollow shaft by three plastic pins which are circumferentially and uniformly distributed, a sleeve is connected onto the hollow shaft by a clamp ring, a compression spring is arranged in the hollow shaft, the upper end of the compression spring sleeves a shaft end of the steering shaft, the lower end of the compression spring is arranged in a compression spring stop table arranged at a head end of the hollow shaft, a first slider and a second slider are arranged on the steering shaft and are connected with each other by a light compression spring arranged between the first slider and the second slider, and an annular clamp groove is formed in the hollow shaft and is positioned in the middle of the sleeve. The reusable energy-absorbing steering column has the advantages of reasonable structure, convenience in assembling and disassembling, good safety, low maintenance cost and the like. Besides, secondary injury to drivers can be prevented by the aid of the reusable energy-absorbing steering column.

The invention relates to a steel structural building, in particular to an assembled steel structural building. The assembled steel structural building comprises transverse steel beams, fastening screws I, transverse slide holes, vertical steel beams, trapezoidal convex bars II, thread holes, a middle batten, a center shaft, a slide cylinder and an inclined steel beam; the assembled steel structural building is convenient to disassemble and assemble and excellent in supporting property. Two vertical steel beams are arranged left and right; the trapezoidal convex bars II are arranged on the front sides of the two vertical steel beams; two transverse steel beams are arranged up and down; the left and right ends of the transverse steel beam at the upper end are slidingly connected to the upperends of the two trapezpidal convex bars II; the left and right ends of the transverse steel beam at the lower end are slidingly connected to the lower ends of the two trapezoidal convex bars II; theleft and right ends of the two transverse steel beams are connected with the fastening screws I through threads; the four fastening screws I are ejected against the corresponding trapezoidal convex bars II; the transverse slide holes are formed in the two transverse steel beams; the two transverse slide holes are oppositely arranged; and the thread holes are formed in the middle parts of the backsides of the two vertical steel beams.

The invention provides an electronic device. The electronic device comprises an input device, a connecting piece and a display device. The input device is provided with a first limiting structure. The connecting piece is arranged on the input device in a pivotal mode. The connecting piece is provided with a limiting groove. The outer surface of the limiting groove is provided with guide columns and a connector. The connector is electrically connected to the input device. The display device is provided with a display face and a side face. The display face is provided with a second limiting structure. The side face is provided with positioning holes and an electrical connector. The display device is inserted in the limiting groove to make the guide columns be clamped in the positioning holes. The electrical connector makes electrical contact with the connector. The display device rotates in a pivotal mode relative to the input device to form an unfolding position and a folding position. At the unfolding position, an angle is formed between the display device and the input device. At the folding position, the display device is arranged on the input device in an overlapped mode, and the second limiting structure is fixed to the first limiting structure in a clamped mode.

The invention discloses a detachable multifunctional interesting spinning top for children. The detachable multifunctional interesting spinning top for children comprises a spinning top upper cover body, a spinning top shell and a spinning top lower cover body, wherein the spinning top upper cover body is tightly connected with the upper end of the spinning top shell in a threaded manner; a miniature loudspeaker is placed between the spinning top upper cover body and the spinning top shell; a supporting block is arranged inside the spinning top shell; a miniature motor is fixed at the lower end of the supporting block and is rotatably connected with a miniature generator through a connecting shaft; a speed changing box is arranged between the miniature generator and a coupler; the speed changing box is rotatably connected with the miniature generator and the coupler respectively through connecting shafts; the spinning top shell is fixedly connected with the spinning top lower cover body through a concave buckle and a convex buckle; LED colored lamps are respectively arranged at the left end and the right end of the spinning top shell; and a power button and a mode switching button are mounted on the front end surface of the spinning top shell from left to right. The detachable multifunctional interesting spinning top for children has the features of detachability, diversified functions and the like, and is interesting.

The invention relates to a shiftable hydrostatic compact drive unit, in particular for drive and winch systems, said compact drive unit comprising at least one planetary stage (2) where a first shiftable multiple-plate clutch connects a ring gear (11) to a case (1) in a rotationally fixed manner and where a second shiftable multiple-plate clutch (4) connects the sun wheel of the planetary stage (2) to the ring gear (11) in a rotationally fixed manner. The sun wheel (8) of the planetary stage (2) is driven by a hydraulic motor (7) and a planetary rod (18) of the planetary stage (2) serves as output element. The invention is characterized in that a plate carrier (12) houses the inner plates of the first multiple-plate clutch (3), the outer plates of the second multiple-plate clutch (4) and a spring accumulator (20) for closing the second multiple-plate clutch. The axial force exerted by the spring accumulator (20) is supported, on one side, on said plate carrier (12), when the second multiple-plate clutch is closed, and is supported, on the other side, on an intermediate ring (15) in an axially mobile manner. The set of plates (16) is supported on the plate carrier (12) so as to prevent friction and associated heat build-up at the contact point (21) in the intermediate ring (15).

The invention discloses a cable guide device of a winch. The cable guide device is suitable for being mounted on the winch which can release and withdraw a cable rope. The winch comprises a barrel unit through which the cable rope penetrates through. The cable guide device comprises a shell, a first guide wheel unit, a second guide wheel unit, a buckling unit and a screening component, wherein the cable rope penetrates through the shell; the first guide wheel unit comprises a first guide wheel arranged inside the shell; the second guide wheel unit comprises a main guide wheel which is arranged inside the shell and is matched with the first guide wheel to clamp the cable rope. The buckling unit is connected with the shell and is buckled with the barrel unit. The screwing component penetrates through the shell and is tightly propped against the second guide wheel unit. The cable rope can penetrate through the shell, and together with the buckling unit, the barrel unit can be rapidly buckled, and thus the cable guide device can be rapidly assembled or disassembled.

The invention discloses a graphite protection board for an ingot crucible. According to the graphite protection board for the ingot crucible, four graphite protection boards are sequentially connectedand encircled to form a rectangular space capable of surrounding a crucible; a plurality of vertically arranged threaded holes are formed in right sides of the graphite protection boards, positioningholes with corresponding quantities and positions are formed in left sides of board surfaces, and two graphite protection boards can be connected by enabling bolts to pass through the positioning holes and be matched with the threaded holes; a plurality of horizontally arranged vent holes are formed in tops of the board surfaces of the graphite protection boards and are used for introducing and discharging argon, and the vent holes are not communicated with the sides of the graphite protection boards; anti-breaking grooves that vertically cross with the threaded holes are formed in the boardsurfaces of the graphite protection boards; the anti-breaking grooves completely penetrate through the board surfaces of the graphite protection boards. The graphite protection board disclosed by theinvention is simple in structure, and convenient to assemble and detach, the cost can be reduced, and the impurity removal ability in the ingot casting process can be improved, so that the ingot quality is effectively improved, and the service life of the graphite protection board is prolonged.

The invention relates to an annular combustion chamber (1) for a gas turbine having an outer shell (12) which has at least one inlet opening (4) for a burner (3) and an outlet (7) which opens into a turbine chamber (8), wherein ducts (14) which can be closed, which are oriented substantially parallel to the symmetry axis (2) of the annular combustion chamber (1), and through which final compressor air can be guided into the annular combustion chamber (1) are provided in the outer shell (12) in the region of the outlet (7). Furthermore, the invention relates to a gas turbine.

The invention relates to a gas protection device for the back face of a welding line. The gas protection device for the back face of the welding line is used when gas protection automatic welding is carried out at a circumferential weld outer groove; the device adopts two symmetrically assembled semi-ring components to cover a circumferential weld inner wall groove; a second ring plate without a gas-guide hole and a third ring plate with a gas-guide hole are connected between inner side arc edges of two semi-ring plates of the same semi-ring component; a plurality of rib plates are also connected between the two semi-ring plates, and are uniformly distributed in a semicircle on which the semi-ring plates are located; and the inner side edges of the rib plates are connected with the outer side faces of the second ring plates and the third ring plates. Fixed blocks are connected to the two ends of the diameters of the semicircles on which the second ring plates or the third ring plates are located; each two adjacent fixed blocks are connected through a bolt, so that the two semi-ring components are connected; and between the semi-ring plates of the same semi-ring component, and in the range of the outer sides of the second ring plates or the third ring plates, protected gas is guided into through the gas-guide hole of each third ring plate, so that a favorable gas protection effect is achieved. The gas protection device for the back face of the welding line provided by the invention is simple in structure, and convenient and fast to assemble and disassemble.

The invention discloses a detachable assembled simple toilet comprising cross square tubes (1) and vertical square tubes (2). Square tube connectors (3) are arranged at ends of the cross square tubes (1), and the square tube connectors (3) are fixed to the vertical square tubes (2) through bolts so as to connect and fix the cross square tubes (1) and the vertical square tubes (2). Retainer clips (6) are fixed to the vertical square tubes (2) through spring self-closing hinges (7), and are opened and closed under the external force and the actions of the spring self-closing hinges (7), vertical sides of vertical retainers (4) are clamped into clamp slots between the retainer clips (6) and the vertical square tubes (2) respectively, so that walls of the toilet are formed. Besides, one side of a door panel (5) is rotationally connected to one of the vertical square tubes (2) through the spring self-closing hinges (7). The toilet can be assembled and dissembled conveniently and rapidly, working efficiency can be increased, material wear can be reduced, and the difficulty in finding the toilet on the construction site is overcome.

The invention provides an elastic shock absorbing device for a scissors door module of an automatic ticket checker, comprising a supporting frame connected with a scissors door driving module, a fixed plate connected with a scissors door base, and spring steel plates arranged between the supporting frame and the fixed plate, wherein the spring steel plates are symmetrically arranged at two sides of the supporting frame and the fixed plate, namely, the two spring steel plates are simultaneously connected with the supporting frame and the fixed plate and clamp the supporting frame and the fixed plate therein. The elastic shock absorbing device for the scissors door module of the automatic ticket checker can reduce the shock of the scissors door driving module of the automatic ticket checker and the noise influence caused by the shock and is not influenced by environment temperature and humidity, thereby achieving the effect of long-term and stable application; in addition, the elastic shock absorbing device is simple and convenient to be assembled and convenient to be maintained and replaced.

The invention discloses a rotor cutter seat component used on a pavement milling machine, and relates pavement maintenance machinery. A waist drum surface is manufactured on an outer circle of a cutter sleeve and is positioned on the outer side of a conical surface; an opening slot is axially formed in the waist drum surface; the maximum diameter of the slotted waist drum surface is 2-3 mm greater than the aperture of a milling cutter base matched with the slotted waist drum surface; the cutter sleeve is fastened to the milling cutter base under the action of elastic interference of the waist drum surface; and the cutter sleeve and the milling cutter base are connected in an own elastic tensioning manner, so that the cutter sleeve and the milling cutter base are tightly combined with each other and are convenient to mount and dismount. The impact of a pavement to a cutter head or a milling rotor can be buffered; damage and infirmness to elements, which are caused by over constriction, are avoided; and dust entering an inner cavity of the cutter sleeve from a gap of an elastic opening fastening sleeve component is discharged from the rear end of the milling cutter base, so that the rotation of a cutter rod cannot be influenced, and the service life of the cutter head is guaranteed.

The invention discloses a tool used for track welding, comprising a main cross frame, wherein the main cross frame is connected with a jack base by a bolt and is welded with a travelling mechanism, and pressed welding of the track can be achieved by a jack on the jack base. The tool is mainly used for welding of main trolley tracks of harbor machinery, and has the characteristics of being simple to produce, convenient to assembled, strong in field adaptability and low in cost. The tool is quick, high in efficiency and good in quality when being used for carrying out trolley track welding,

The present invention provides a fixing device. The fixing device is used for fixing an outer data storing device which is fixed on a fixing frame. The fixing frame is provided with a front fastening hole and a back fastening hole. The outer data storing device is provided with a plurality of fixing holes. The fixing device comprises a body, a plurality of fixing columns, a fastening end and a hook. The body is provided with a first surface and a second surface. The body comprises a body front-part and a body back-part which are connected with each other. The plurality of fixing columns are connected with the first surface at back part of the body and are used for penetrating the plurality of fixing holes for fixing the outer data storing device. The fastening end is connected with the back part of the body and is used for inserting into the back fastening hole. The hook is arranged at the front part of the body and is used for fastening the front fastening hole. The fixing device of the invention has advantages of: simplifying assembling or detaching process, and saving cost.

The invention discloses a portable detachable amphibious spectrum detection device including a spectrum detector fixed on a floating platform through a vertical fixing device; the floating platform includes a quadrate-frame top seat, a quadrate-frame base, and PVC connection pipes connected between the top seat and the base; a quadrate frame of the top seat is smaller than a quadrate frame of the base, and four corners of the quadrate frame of the base are each provided with a detachable inflatable water sleeve; the vertical fixing device includes a group of fixing rods, and the fixing rods fixed on the top seat are arranged in a high-low random manner and have horizontal projections forming a shape of intersecting parallels; the spectrum detector is placed in a space limited at the inner side of the group of fixing rods; sponge is padded between the spectrum detector and the fixing rods and is fixed by bandages. The portable detachable amphibious spectrum detection device has the advantages of handiness, portability, and simple disassembly and assembly, is quite suitable for field measurement, also can be amphibious, and meets different measurement demands.

The invention provides a fabricated steel structure temporary working shed and a mounting method thereof. The fabricated steel structure temporary working shed comprises longitudinal hollow trusses, transverse hollow trusses, a plurality of purlines and two or more assembling units; the assembling units are arranged in parallel and connected together through the purlines; the multiple purlines arearranged on double-spliced C-shaped I beams at equal intervals and perpendicular to the double-spliced C-shaped I beams; the longitudinal hollow trusses are connected to the upper flanges of the twoends of the double-spliced C-shaped I beams; the transverse hollow trusses are arranged on the purlines at equal intervals and perpendicular to the purlines; and the two ends of the transverse hollowtrusses are connected to the longitudinal hollow trusses. Components required by the fabricated steel structure temporary working shed can be prefabricated in a factory in advance and completely connected through bolts on site, welding is not needed, and the mounting and dismounting speeds are high; and vertical columns are located around, the middle working area is open, and thus operation of workers is facilitated.

The invention relates to an outdoor unit and a photovoltaic air conditioning system with the same, and relates to the technical field of air conditioning. The outdoor unit comprises a casing, an electric appliance box and a heat exchange part arranged in the casing and connected with the casing, a support for supporting a motor is arranged in the casing and connected with the electric appliance box, and the electric appliance box is provided with a clamping member which is in clamp connection with the heat exchange part. The photovoltaic air conditioning system comprises the outdoor unit. Thus, the internal space of the outdoor unit is reduced, and the electric appliance box is convenient to mount and fix, and can be fastened more stably.

The invention belongs to the technical field of medical instruments and particularly discloses a disinfection toolkit. Longitudinal concave insertion slots are formed in four inner walls of a kit bodyrespectively, lateral placement baskets are arranged on left and right sides of the kit body respectively, middle placement baskets are arranged on front and back sides in the kit body, and the middle placement baskets are located between the two lateral placement baskets; longitudinal convex insertion strips sliding into the insertion slots are arranged on outer side walls of the lateral placement baskets and the middle placement baskets; cross sections of the insertion slots and the insertion strips are trapezoid, and the length of outer bottom edges of the trapezoid cross sections of the insertion slots and the insertion strips is larger than that of inner top edges; an ultraviolet sterilization lamp is arranged in the middle in the kit body, and hollowed-out lattice structures are arranged on inner side walls of the lateral placement baskets and the middle placement baskets. The disinfection toolkit is convenient to combine, mount and dismount and good in disinfection effect, andthe assembly structure is good in firmness, convenient and practical.

The invention discLoses an assembLing type construction waLL paneL. The waLL paneL comprises substrates, reinforcing paneLs are arranged between the substrates, rib skeLetons are symmetricaLLy and horizontaLLy arranged on the sides, cLose to each other, of the reinforcing paneLs, first rib meshes wind the rib skeLetons, core Layers are arranged between the rib skeLetons, second rib meshes are arranged on the two sides of the core Layers, and inner hexagonaL screws are arranged in the reinforcing paneLs. Under the action the substrates cooperating with bosses, arc-shaped ports and arc-shaped bosses at concave ports, the assembLing of the waLL paneL is convenient, under the action of inserting coLumns cooperating with coLumn hoLes and first cLamping grooves and second cLamping grooves, the enhancing of the assembLing stabiLity of the waLL paneL is convenient, the assembLing and dismantLing are simpLe and convenient, the stabiLity is good, through the cooperation of the second rib mesheswith the first rib meshes through supporting coLumns at the rib skeLetons, internaL stabiLity is convenientLy enhanced, the buffering force is improved, the core paneLs aLLow the waLL paneL to be prevented from fire and water, the sound insuLation effect is good, the hardening performance is improved, deformation does not easiLy take pLace, the service Life of the waLL paneL is proLonged, and theassembLing demands of different environments can be met.