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

High-precision RV speed reducer comprehensive testing device

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.
Owner:上海羿弓精密科技有限公司

Nonstandard concrete fracture performance test device

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.
Owner:NANJING HYDRAULIC RES INST

Rotary pivot bearing used for driving by shield spiral machine

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.
Owner:JIANGSU KAIGONG TUNNEL MACHINERY +1

Assembled steel structural building

ActiveCN110656701AEasy assembly and disassemblyGood supportCellarsBattenStructure building
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.
Owner:日照鼎立钢构股份有限公司

Detachable multifunctional interesting spinning top for children

InactiveCN106345121AEasy assembly and disassemblySave resourcesTopsLoudspeakerMicro power generator
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.
Owner:ZHENGZHOU FUDOU COMMERCE & TRADE

Shiftable hydrostatic compact drive unit

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).
Owner:罗曼&斯托尔特福特有限责任公司

Graphite protection board for ingot crucible

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.
Owner:镇江荣德新能源科技有限公司

Gas protection device for back face of welding line

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.
Owner:SHANGHAI ELECTRIC NUCLEAR POWER EQUIP CO LTD

Rotor cutter seat component used on pavement milling machine

InactiveCN103215884AEasy assembly and disassemblyAvoid damage and infirmityRoads maintainenceMaximum diameterPavement maintenance
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.
Owner:徐州昂拓机械科技有限公司

AssembLing type construction waLL paneL

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.
Owner:HEFEI GUORUI INTEGRATED CONSTR TECH CO LTD
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