50results about How to "Achieve pre-fixation" patented technology

The invention relates to the field of scaffold fasteners and particularly relates to a scaffold steel tube spatial assembling fastener and a sliding sleeve thereof. The fastener comprises the sliding sleeve, two sets of pressing assemblies are arranged on the outer sides of the sliding sleeve, each pressing assembly comprises hinge bases oppositely distributed on the sliding sleeve along the axial direction of the sliding sleeve, the hinge axes of the two hinge bases are parallel and spatially and perpendicularly crossed with a central line of the sliding sleeve, a containing opening for containing scaffold steel tubes is enclosed between the upper portions of the two hinge bases, an expansion block installation groove is enclosed between the lower portions of the two hinge bases, an opening is arranged between the two hinge bases on the wall of the sliding sleeve, a pressing slider is assembled in the opening, an expansion slider for being firmly wedged between the scaffold steel tubes and the pressing slider in the containing opening is assembled in the expansion block installation groove, and the hinge bases of the two sets of pressing assemblies are spatially and perpendicularly crossed. The scaffold steel tube spatial assembling fastener has the advantages of being convenient to operate, reliable to fix and not apt to lose and can simultaneously fix three spatially crossed scaffold steel tubes.

The invention belongs to the field of plate processing, and particularly relates to a plate cutting device capable of achieving automatic stabilization and self-cleaning. The plate cutting device comprises a workbench, two symmetrically-arranged placement blocks are fixedly connected to the workbench, a support is fixedly connected to the workbench, two symmetrically-arranged reciprocating lead screws are rotatably connected to a portion between the support and the workbench, sleeves are connected to the reciprocating lead screws in a threaded manner, and a frame is fixedly connected to a position between the two sleeves. According to the plate cutting device capable of achieving automatic stabilization and self-cleaning, through cooperation of a first linkage mechanism, a second linkage mechanism and a driving mechanism, a cutting knife and a pressing plate can be matched with air suction fan blades to synchronously work, and therefore it is guaranteed that the pressing plate presses a wood board in the cutting process, the wood board is kept stable, and manpower consumption is avoided; and meanwhile, in the cutting process, chippings generated by air suction of the air suction fan blades can be utilized, and therefore the situation that the chippings fly randomly and pollute the surrounding environment is avoided.

The invention provides a battery pack manufacturing method, and the method comprises the following steps: 1, putting an assembled battery module into a lower shell, and keeping a certain gap between the battery module and the peripheral side wall of the lower shell; 2, injecting a pouring sealant into a gap between the battery module and the lower shell, performing standing for a period of time, solidifying the pouring sealant, and achieving the pre-fixing of the battery module; 3, connecting the upper shell to the lower shell in a sealing manner to form a complete battery shell; 4, injectingthe pouring sealant into the battery shell from the sealant pouring hole in the upper shell until the pouring sealant fills the remaining space in the battery shell, and then performing standing for aperiod of time, so that the pouring sealant is cured. The battery module has the beneficial effects that after the battery module is placed in the lower shell, glue is injected firstly to realize pre-fixation, and the upper opening of the whole lower shell can be used as a glue injection hole, so that the glue injection is very convenient, and the production efficiency can be greatly improved; inaddition, the whole process is visible, quality control is facilitated, and the uniformity of the thickness of the peripheral adhesive layer is guaranteed.

The invention discloses a reinforced structure for large-tonnage concrete column replacement. The reinforced structure comprises a plurality of inner bundle steel plates which surround the outer circumference surface of a concrete column. The adjacent edges of the inner bundle steel plates are fixedly connected to form an integrated structure, the edges of the inner bundle steel plates are fixedlyconnected with reinforced angle steel, and the end portions of the inner bundle steel plates are fixedly connected with joint angle steel. A plurality of preformed holes are formed in the surfaces ofthe inner bundle steel plates and connected with the concrete column in a pre-fastening mode through a fastening structure. The outer circumference surfaces of the inner bundle steel plates are tightened by structural steel hoops, and adhesives are poured between the inner surfaces of the inner bundle steel plates and the outer circumference surface of the concrete column to bond the inner surfaces of the inner bundle steel plates and the outer surface of the concrete column. The invention also discloses a reinforced method using the reinforced structure for the large-tonnage concrete columnreplacement. Compared with the prior art, the technical scheme has the advantages of convenient construction and reliable structure and the like, and can simplify the steps of defect replacement of the concrete column, ensure the structural strength of the concrete columns after the defect replacement and avoid the impact on subsequent use.

The invention relates to scaffold fasteners, in particular to a wedge-caulking type cross fastener and a sliding sleeve thereof. The wedge-caulking type cross fastener comprises the sliding sleeve capable of being sleeved on a scaffold base pipe in sliding mode. Two hinged supports for assembling a pressing cover and a hasp in hinged mode respectively are arranged on one side of the sliding sleeve. The two hinged supports are arranged oppositely along the axial direction of the sliding sleeve, the upper portions of the two hinged supports define an accommodating port for containing a scaffold cross pipe, and the lower portions of the two hinged supports define an expansion block installing groove. An opening penetrating through the inside and the outside is arranged at a position between the two hinged supports on a sleeve wall of the sliding sleeve. A pressing sliding block for pressing the scaffold base pipe is arranged in the opening, and an expansion sliding block for being wedged between the scaffold cross pipe and the pressing sliding block is assembled in the expansion block installing groove. During use of the fastener, only one pressing cover is required to be operated, then the expansion sliding block is knocked, operation is convenient and fast, and convenience of operation of the fastener is improved. The safety and operation convenience of the cross fastener are further improved.

The invention relates to a UV light and heat dual-curing high-airtightness polyisobutene adhesive and a preparation method thereof. The method comprises the following steps: under the condition of eliminating ultraviolet light or in a yellow light chamber, sequentially adding 40-100 parts by weight of vinyl terminated polyisobutylene polymer, 30-100 parts by weight of maleic anhydride terminated polyisobutylene polymer, 10-50 parts by weight of epoxy resin, 5-15 parts by weight of inorganic filler, 5-15 parts by weight of poly-alpha-olefin plasticizer, 0.05-5 parts by weight of silane coupling agent, 0.01-1 part by weight of anti-aging agent, 0.05-2 parts by weight of hydrogen-containing silicone oil and 1.0-10 * 10 <-6 > parts by weight of ultraviolet light initiator, 1.0-10 * 10 <-5 > parts by weight of a catalyst and 5-100 * 10 <-6 > parts by weight of a maleate inhibitor into a planetary stirrer, carrying out vacuum stirring for 1 hour, and carrying out vacuum stirring again for 0.5 hour to obtain the viscous adhesive composition. Compared with the prior art, the adhesive has the advantages of high bonding strength, good air tightness, good curing effect and the like.

The invention discloses a convenient-to-use positioning device for aluminum machining. The positioning device comprises a supporting plate, wherein mounting plates are fixed on both sides of the top of the supporting plate; mounting grooves are arranged in the sides, close to each other, of the two mounting plates; racks are assembled on the inner walls of the mounting grooves; gears are meshed with the side surfaces of the racks; the gears are arranged in gear seats; driving motors are assembled on the inner walls of the gear seats; output shafts of the driving motors are fixed to the inner rings of the gears; side plates are fixed to the sides, close to each other, of the two gear seats; U-shaped plates are connected to the sides, close to each other, of the two side plates; first clamping plates are elastically connected to the two sides of the inner wall of each U-shaped plate; a containing groove is arranged in one side of the inner wall of each U-shaped plate; and a second clamping plate is arranged in each containing groove. According to the positioning device, the positioning range is widened, aluminum materials can be conveniently machined at different heights, meanwhile, the problem that an existing positioning device cannot conveniently clean the surfaces of the aluminum materials is solved, and the positioning device is reasonable in design and suitable for popularization.

The invention discloses a welding method of a bending machine rack, and belongs to the field of rack welding. By the adoption of a welding tool of the bending machine rack, after the relative positionrelation of all parts of the rack is adjusted through multiple fixing devices, all the parts can be accurately pre-positioned and fixed, the welding precision of the rack is improved, and welding ismore convenient.

The invention discloses a fixing device for a laser film tension test in the technical field of laser films. The fixing device includes a supporting plate, the left side of the bottom of the supporting plate is fixedly connected with fixing blocks in front-rear symmetry, a film rolling roller is rotatably connected between the two groups of fixing blocks, the front end of the film rolling roller is fixedly connected with a hand rotating rocker in a sleeved mode, the bottoms of the two groups of fixing blocks are fixedly connected with extension blocks correspondingly, the right sides of the two groups of extension blocks are fixedly connected with abutting blocks, the right side of the bottom of the supporting plate is fixedly connected with a vertical plate, the right parts of the abutting blocks are provided with compression blocks, and electric push rods are evenly and fixedly installed between the compression blocks and the vertical plate. The fixing device is suitable for the laser film tension test, a laser film is fixed and clamped, by inserting one end of the laser film into a clamping groove, elastic force produced by an elastic part enables a support pressing plate to clamp the laser film tightly, thus pre-fixation of the laser film is realized, and by manually rotating the hand rotating rocker, the film rolling roller can be driven to rotate, so as to be able to tighten the laser film.

The invention discloses an all-directional adjusting device for security door hinges. The all-directional adjusting device comprises a door leaf and a door frame, wherein a sliding groove is formed inthe side wall of the side, close to the door frame, of the door leaf; and two symmetrically-arranged sliding blocks are slidably connected into the sliding groove, and the two symmetrically-arrangedhinges are mounted on the front faces of the two sliding blocks and comprise the first half hinge and the second half hinge. The invention relates to the technical field of security doors. Through cooperation of the arranged sliding groove and the sliding blocks, the hinges can be moved up and down to be guided, and thus the two hinges are kept in a parallel state; in addition, through cooperationof arranged inserting blocks and inserting grooves, the hinges can be positioned, and thus the hinges can be in butt joint with the door leaf and the door frame conveniently; and through butt joint of the inserting blocks and the inserting grooves, the hinges can be pre-fixed, the front-back angles of the hinges are adjusted and controlled conveniently, and thus the hinges and the door frame reach the optimal butt joint angle.

The invention relates to the field of buildings, and discloses a prefabricated stair structure which comprises beams and a stair. The stair comprises step parts and fixing parts at the two ends of thestair parts. The beams are supported at the lower ends of the fixing parts. Supporting rollers are arranged in the beams. The rotating axes of the supporting rollers extend in the length direction ofthe beams. The upper ends of the supporting rollers abut against the lower ends of the fixing parts. The lower ends of the fixing parts are provided with positioning grooves where the supporting rollers are embedded. The positioning grooves extend in the length direction of the fixing parts. Inserting pipes for inserting reinforcing steel bars are embedded in the fixing parts and the beams. Whenthe supporting rollers are embedded in the positioning grooves, the inserting pipes on the fixing parts are aligned with the inserting pipes on the beams. The stair is driven by the supporting rollersto move, and the aim of pre-fixing and installing the stair on the beams is conveniently realized.

The invention relates to the field of scaffold fasteners, in particular to a scaffold diagonal-bracing fastener and a sliding sleeve thereof. The fastener comprises the sliding sleeve which can be sleeved on a scaffold steel tube in a sliding manner, wherein two hinged supports, which are assembled with pressure covers and hasps in a hinged way respectively, are oppositely arranged at the outer side of the sliding sleeve; the hinged axes of the hinged supports are parallel to each other and spatially crossed with the central line of the sliding sleeve; a set included angle of 30 degrees to 60 degrees is formed between the central line of the sliding sleeve and each of the hinged axes of the two hinged supports; a containing port for containing the scaffold steel tube is enclosed by the upper parts of the two hinged supports; an expansion block installation slot is enclosed by the lower parts of the two hinged supports; an opening is formed in the sleeve wall of the sliding sleeve at a position between the two hinged supports; a pressing slide block for pressing the scaffold steel tube in the sliding sleeve is assembled in the opening; and an expanding slide block which is wedged between the scaffold steel tube in the containing port and the pressing slide block is assembled in the expansion block installation slot. The scaffold diagonal-bracing fastener simultaneously has the characteristics of being convenient to operate, reliable in fixation and unlikely to lose.

The invention discloses a bridge erecting crane auxiliary arm quick installation mechanism. The bridge erecting crane auxiliary arm quick installation mechanism comprises a main arm and an auxiliary arm. The end of the main arm is provided with a groove for mounting of the auxiliary arm. A traction motor is fixed to the auxiliary arm. A winding wheel is fixed to the outer side of an output shaft of the traction motor. A traction steel rope is wound around the outside of the winding wheel. Two convex blocks are symmetrically mounted outside the auxiliary arm. Abutting assemblies matched with the two convex blocks are symmetrically mounted outside the main arm. A fixed insertion rod is fixed to the end, inserted into the groove, of the auxiliary arm. The inner bottom of the groove is provided with an insertion groove matched with the fixed insertion rod. The outside of the end, far away from the auxiliary arm, of the fixed insertion rod is symmetrically provided with two limiting grooves. Opposite insertion assemblies matched with the two limiting grooves are symmetrically mounted outside the main arm. The bridge erecting crane auxiliary arm quick installation mechanism implements three-time fixation on the auxiliary arm inserted at the end of the main arm in a mechanical driving mode, saves time and labor, improves the opposite insertion installation efficiency, can also preventaccidental injuries to workers and is practical and reliable.

The invention discloses a glass clamping device for building decoration, which comprises four fixing devices, the fixing devices are in threaded connection through side edge clamping plastic cement, the contact surfaces of the fixing devices and the side edge clamping plastic cement are fixedly connected through connecting rivets, each fixing device comprises a fixing block, and the fixing blocks are fixedly connected with the side edge clamping plastic cement through connecting rivets. A first through hole is formed in the middle of the surface of the left side of the fixing block, a clamping device is arranged in the first through hole in a sleeved mode, four first grooves are formed in the concave position of the right side of the fixing block, and the building decoration device relates to the technical field of building decoration. According to the glass clamping device for building decoration, glass is clamped in the clamping device, and the dust filtering device at the bottom of the pre-clamping rod is clamped on the glass, so that pre-fixation of glass installation is realized, damage to the glass caused by accidental falling when a constructor installs the glass is prevented, and the dust filtering device can achieve the effect of safe pre-clamping.

The invention discloses a household electrical appliance. The household electrical appliance comprises storage parts (R1, D1) with openings, and a door used for closing the openings, wherein the storage parts (R1, D1) and the door are connected through a hinge unit (H); the hinge unit (H) comprises a hinge shaft (41); the door comprises a door frame (20), the door frame (20) comprises a pair of frame strips (201) which extend in the width direction and the length direction of the door correspondingly and corner connecting pieces (202) used for connecting the pair of frame strips (201); and thehinge shaft (41) is fixed on one of the corner connecting pieces (202), or one of the corner connecting pieces (202) is internally provided with a shaft hole (51) which extends in the axial directionof the hinge shaft (41) so as to receive the hinge shaft (41). In the scheme, the corner connecting pieces do not only have a connecting function for connecting the frame strips, and can also meet more complex installation requirements.

The invention provides an electrical automation control box, and belongs to the technical field of electrical equipment, the front surface of a box body is rotatably connected with a box body cover, a wiring board, an air switch and a wire management pipe are sequentially arranged in the box body, wiring terminals are embedded and fixed in the upper and lower sides of the wiring board, and the front surface of each wiring terminal is provided with a rectangular opening; a wire end is embedded in the wiring terminal, elastic clamping pieces are embedded in the left side and the right side of the interior of the wiring terminal, and the tail end of the wire end is fixedly connected with an embedded block. The electrical automation control box is provided with the inner rod and the limiting end, after the embedded block is pre-fixed and clamped by rebounding of the elastic clamping piece, the inner rod descends through a screwdriver until the bottom end of the limiting end is close to a groove in the center of the embedded block and is inserted into the groove, and embedding of the limiting end is pressed and matched through descending of the locking screw. The connection stability between the wiring terminal and the wire end can be effectively improved, and the embedded block is prevented from loosening in the use process.

The invention relates to an adjusting device for adjustably securing at least two orthotic components (1, 2) to each other, comprising a first holder (10) which has a first fastening element (31) forsecuring a first orthotic component (1), and a second holder (20) which has a second fastening element (32) for securing to a second orthotic component (2), the holders (10, 20) being mounted such that they can be moved in relation to each other and secured to each other in at least two orientations.

The invention relates to an automatic profile straightening device comprising a supporting machine frame. A plurality of groups of profile extrusion machines which are in mirror symmetry are arrangedin the supporting machine frame. Leading-in mechanisms are arranged at the two ends in the axial direction of the supporting machine frame. The profile extrusion machines are connected into the supporting machine frame through linear extending and retracting machines. Each travel squeezing machine comprises a supporting block fixed to the corresponding linear extending and retracting machines. Each supporting block is provided with two groups of sliding holds. Each squeezing oil cylinder comprises an oil cylinder shell and an oil cylinder rod. The end of each oil cylinder shell is fixed to theedge of the corresponding sliding hole of the corresponding supporting block. Each oil cylinder rod penetrates through the corresponding sliding hole to extend out from the surface of the supportingblock. Each leading-in mechanism comprises two groups of linear sensors A which are arranged at the axial end of the supporting machine frame in a mirror symmetry manner. The ends of the linear sensors A are connected with leading-in plates through universal ball joints A. The linear extending and retracting portions are fixedly provided with supporting plates. Linear sensors B are connected between the supporting plates and the leading-in plates.

The invention relates to frame laminating equipment. The frame laminating equipment comprises a cutting assembly used for cutting off a passing first frame material belt; a transfer assembly used for transferring the first frame sheet to the positioning station; a positioning assembly which comprises an adsorption mechanism, and a positioning pin and a heating pin which are mounted on the adsorption mechanism; and a laminating assembly used for bearing the passing second frame material belt. When the adsorption mechanism moves to the positioning station, in the process that the adsorption mechanism moves close to the transfer assembly, the positioning pin can penetrate through a positioning hole in the first frame piece, and the adsorption mechanism can adsorb and fix the first frame piece. When the adsorption mechanism moves to the attaching station, in the process that the adsorption mechanism moves close to the attaching assembly, the positioning pin penetrates through the positioning hole in the second frame material belt, and the heating pin tightly presses the first frame piece and the second frame material belt to the attaching assembly.

The invention belongs to the technical field of firefighting equipment, particularly relates to a fire hose connector, and aims to solve problems in the prior art. In order to solve the above problems, the fire hose connector which has the beneficial effects that the connecting position can be prevented from leaking at high pressure, the structure is simple, the cost is low, the assembly is convenient, and the service life is long is provided. According to the implementation scheme, the fire hose connector comprises a pipe body, wherein one end part of a sleeve is arranged in the tube body ina sleeving manner; a plurality of clamping slots used for fixing in advance are arranged on the cavity wall of an inner cavity of the pipe body; clamping rings matched with the clamping slots are arranged on the sleeve; and a clamping component consisting of a plurality of clamping sleeves which are locked in pairs is arranged on the outer wall of the pipe body, and used for clamping the positionwhere the outer wall of the pipe body and the sleeve are overlapped.

The invention relates to the technical field of molds, and particularly relates to a vacuum suction casting mold capable of adjusting the casting size. The vacuum suction casting mold comprises a mold body. The mold body comprises an outer mold shell. A mold cavity is formed in the inner side of the outer mold shell. A first movable groove is formed in the outer mold shell. A second movable groove is formed in one side of the first movable groove. A third movable groove is formed in one side of the second movable groove. According to the suction casting mold, the size of the mold cavity can be changed by dismounting and mounting the outer mold shell and an inner mold shell, so that suction castings of different sizes are obtained, the suction castings of different sizes do not need to be provided with the outer mold shell, the utilization rate of the outer mold shell is increased, and the production cost is reduced; and when the outer mold shell and the inner mold shell are mounted, pre-positioning of the outer mold shell and the inner mold shell can be assisted through a turning plate, the outer mold shell and the inner mold shell can be lifted into the mold cavity through a clamping plate, labor force is saved, meanwhile, the outer mold shell and the inner mold shell are pre-fixed, and use is more convenient.

The invention relates to the technical field of battery module production equipment, in particular to a high-precision self-adaption battery module welding fixture. The high-precision self-adaption battery module welding fixture comprises a platen for bearing an outer battery module, a first hold-down mechanism, a second hold-down mechanism pressing an outer long side plate to the long side face of the battery module in an attaching manner, a third hold-down mechanism pressing an outer short side plate to the short side face of the battery module in an attaching manner and a fourth hold-down mechanism used for carrying out fine adjustment on the long side plate. The first hold-down mechanism is used for abutting against the top of the battery module, the top of the outer long side plate and the top of the outer short side plate and is hinged to the platen. The second hold-down mechanism and the third hold-down mechanism are both connected to the platen in a sliding manner. The platen is provided with the second hold-down mechanism and the third hold-down mechanism, so that position pre-fixation of the battery module, the long side plate and the short side plate is achieved; and dueto the fact that the first hold-down mechanism presses the top of the battery module, the top of the long side plate and the top of the short side plate, the position fixation of the battery module,the long side plate and the short side plate is finally completed, and the production machining yield is increased.