76results about How to "Guaranteed normal disassembly" patented technology

The invention discloses a round silencer assembly welding tooling, which comprises a bottom plate, V-shaped support blocks, a horizontal positioning pin, a compression block and a compression positioning block, wherein the V-shaped support blocks, the horizontal positioning pin and the compression block are used for positioning a silencer outer tube requiring the assembly welding, and the compression positioning block is arranged at the bottom plate corresponding to the position where a support frame and two air inlet pipes need to be welded on the silencer outer tube and is used for compressing and positioning the support frame and the two air inlet pipes needing to be welded on the silencer outer tube. The round silencer assembly welding tooling has the advantages that the structure is simple and compact, the positioning is reliable, the clamping and the dismounting are convenient, when the round silencer assembly welding tooling is used for welding the two air inlet pipes with connecting flanges of the air inlet pipes and the support frame of a round silencer, the relative dimension precision among all welding elements can be ensured, the welding efficiency and the welding quality are effectively improved, the work intensity of workers is reduced, and the product qualification rate is improved.

The invention discloses a no-residual vertical type household noodle maker which comprises a motor base, a motor arranged in the motor base, a stirring cup arranged above the motor base, a stirring rod and a dough extruding cylinder arranged in the stirring cup, a screw rod arranged in the dough extruding cylinder and a die head arranged on the end part of the dough extruding cylinder, wherein the dough extruding cylinder is horizontally arranged on one side below the stirring cup and consists of a material advancing cavity and an extrusion cavity, the motor drives the screw rod and the stirring rod to move, wherein a dough inlet communicated with the dough extruding cylinder is formed in the position of the bottom of the stirring cup, far away from the center, the material advancing cavity extends upwards and is intersected with the bottom of the stirring cup to form the dough inlet, and the dough inlet horizontally extends to the direction of the dough extruding cylinder along the bottom of the stirring cup, and extends to the side wall of the stirring cup. By adopting the technical scheme, the area of the dough inlet is largest, so that dough feeding is facilitated, residuals of dough in the stirring cavity can be avoided, and the stirring cavity and the stirring rod are conveniently cleaned.

The invention relates to a rolling vibration experimental platform, and belongs to the technical field of rolling vibration detection and experimental demonstration. The rolling vibration experimentalplatform includes an upper working roller; the upper working roller comprises a transmission side shaft end at a left end portion and an operation side shaft end at a right end portion; the transmission side shaft end is provided with at least one exciter for controlling the radial vibration of the upper working roller; the operation side shaft end is connected to a magnetic powder brake for controlling the torsional vibration of the upper working roller in the circumferential direction; and the magnetic powder brake is disposed coaxially with the upper working roller. The rolling vibration experimental platform can realize the radial vibration and torsional vibration of the upper working roller of a rolling mill; several vibration types can be independent of each other, and can form several combinations as needed; the experimental platform can achieve independent vibration and coupled vibration of torsional, vertical and horizontal vibration of the working roller, can reveal the internal mechanism and influence law of rolling vibration, can clarify the relationship between the quality of rolled products and rolling vibration, and can provide effective experimental data for the above research.

The invention discloses an oblique block-type elevating platform. A threaded shaft performing fixed-axis rotation is provided with left and right sections of external threads with opposite rotary directions. Left and right sliding blocks matching the threaded shafts are respectively provided with internal threads with left and right rotating directions. A small hand wheel at the right end is fixedly connected with the threaded shafts. By rotating the hand wheel, the left and right sliding blocks perform motion in the opposite directions. With positions of the sliding blocks changing, a platform surface can ascend and descend. A bottom plate of the platform is provided with chutes having adjustable gaps in which the sliding blocks can slide. Left and right support plates are used for locating the threaded shafts. Holes of the support plates are beset with copper sleeves. Two oblique blocks are linked by a linkage plate and placed on the two sliding blocks. Upper pressing plates and upper blocking plates of the sliding blocks can play a falling-prevention and guiding effect. The platform surface is fixedly connected with the oblique blocks. After the height is adjusted, screws are tightened so that the platform is locked. Four bolt through holes are arranged in the bottom plate of the platform. The oblique block-type elevating platform has following beneficial effects: the oblique block-type elevating platform is compact in structure; compared with an ordinary oblique-gear elevating mechanism and a shear-type elevating mechanism, the platform is high in support rigidity and low in cost.

The invention discloses a hanging ladder for maintaining an electric transmission wire. The hanging ladder comprises hooks, hook ropes, hook disassembling ropes, a crossbeam and a sliding ladder rack; the quantity of the hooks is 2, the hooks are respectively hanged on the electric transmission wire, the hooks are respectively provided with the hook ropes and the hook disassembling ropes, one ends of the hook ropes are fixed to the hooks, the other ends of the hook ropes are fixed along the hook heads of the hooks and downward extend, one ends of the hook disassembling ropes are fixedly arranged at the upper portions of the hooks, and the other ends of the hook disassembling ropes downward extend; and the lower portions of the hooks are provided with connecting blocks, the connecting blocks are provided with transverse through holes, two ends of the crossbeam respectively traverse through the through holes and are provided with stopping parts, and the sliding ladder rack hangs on the crossbeam between the two hooks. The hanging ladder has the characteristics of realization of fast mounting and convenient dismounting without a crane, enlargement of the maintaining range of the electric transmission wire, guaranteeing of normal implementation of maintenance of the electric transmission wire, reduction of the maintaining cost, and improvement of the maintaining quality of the electric transmission wire.

The invention discloses a device used for dismounting a valve motor core. The device comprises a casing, a coil core and a stator winding and further comprises a taper sleeve combination unit and a support unit, wherein the taper sleeve combination unit comprises a steel sleeve, a Bakelite sleeve and a pressure cover, the support unit comprises a screw, an outer pressure board, a steel column, a nut I and a nut II, the stator winding is arranged on the coil core, the steel sleeve and the Bakelite sleeve are coaxially sleeved outside the screw, the Bakelite sleeve is coaxially sleeved at an outer wall of the steel sleeve, the Bakelite sleeve is coaxially arranged at an inner wall of the coil core, and the pressure cover is coaxially arranged tail ends of the steel sleeve and the Bakelite sleeve. The device has a simple structure, is convenient to mount and use, guarantees damage-less mounting and dismounting of the motor core in the valve motor, greatly improves a qualified rate of the valve motor during maintenance, saves manpower and material resources, reduces enterprise cost and improves enterprise economic benefits.

The invention provides a printed electronic printing device supporting flow line production and a production system and belongs to the technical field of printed circuits. The printed electronic printing device supporting flow line production comprises a rack, a jet printing device, a rotating device and a worktable; the jet printing device comprises a jet head assembly which is supported on the rack through a portal frame, the jet head assembly is slidably connected with the portal frame, and a first driving mechanism is installed between the jet head assembly and the portal frame; the portal frame is slidably connected with the rack, and a second driving mechanism is installed between the portal frame and the rack; the rotating device comprises a rotating table and a third driving mechanism, the rotating table is rotatably connected with the rack, the third driving mechanism is fixed to the rack and connected with the rotating table, and the third rotating mechanism can drive the rotating table to rotate around the axis of the rotating table; and the worktable is slidably supported on the rotating table. The printed electronic printing device supporting flow line production is simple in structure and convenient to use. The production system is high in production efficiency, automatic production can be achieved, manufacturing cost is low, and labor intensity is low.

The invention provides a protecting device and method for preventing a cylinder sleeve from being pull-damaged when a piston and connecting rod assembly of a diesel engine is assembled and disassembled. Aiming at the piston and connecting rod assembly of the diesel engine, guide blocks are mounted on a connecting rod body, a guide rod is arranged at the upper end of one rod body large end upper cover stud, in the assembling process of the piston and connecting rod assembly, one-side protection is adopted, the guide rod on the rod body large end upper cover stud on the opposite side is used forguiding and centering, in the disassembling process of the piston and connecting rod assembly, the guide blocks are mounted on the two sides of the connecting rod body, and two-side protection is adopted. In the assembling downwards-moving process and the disassembling upwards-moving process of the piston and connecting rod assembly, the guide blocks with low hardness make contact with the cylinder sleeve, the connecting rod body is prevented from making contact with the inner wall of the cylinder sleeve, and pull-damage of the connecting rod body to an inner hole of the cylinder sleeve in the whole machine assembling and disassembling processes of the piston and connecting rod assembly of the diesel engine is avoided. In the second half route of piston and connecting rod assembling, theguide rod on the rod body large end upper cover stud is used for rapid centering, radial displacement of the connecting rod body cannot be generated, the connecting rod body is prevented from directlymaking contact with the inner hole of the cylinder sleeve, the mounting efficiency is improved, and the mounting quality is guaranteed.

The present invention belongs to the technical field of ballastless track bridge kerbstone cast-in-situ construction of the passenger dedicated lines and the high-speed railway, and particularly relates to a railway ballastless track bridge kerbstone cast-in-situ construction method. The invention settles the problems of difficult installation, affected bridge appearance and high transportation cost which are likely caused by the prior kerbstone prefabrication construction method. The invention uses a ballastless embedded steel plate on a beam body flange plate, an anti-collision wall and the embedded reinforcement on the ballastless track base for installing the kerbstone cast-in-situ bracket and the formwork system. The railway ballastless track bridge kerbstone cast-in-situ construction method of the invention has the following benefits: effectively used self structure of the beam body as a supporting bearing system, light bracket, reasonable structure, definite bearing, convenient disassembly and assembly, short construction circulation period, and realized safe and quick construction of the kerbstone. Compared with the prefabrication method, the railway ballastless track bridge kerbstone cast-in-situ construction method of the invention has the advantages of keeping the characteristic of disassembly capacity of the kerbstone, increasing the compatibility and compactness of the connection between the kerbstone and the beam body; saving the processes of specially prefabricating the ground and hoisting the product, and simplifying the intermediate transportation link.

The invention is suitable for the technical field of clay sand modeling and provides an annular modeling line. The annular modeling line comprises a conveying rail, a transmission device and a pushingand poking device; the conveying rail comprises a box return rail, a transfer line and a pouring ball rail; the transmission device comprises a first transmission device and a second transmission device; and the pushing and poking device comprises a box pushing machine, a box poking machine, a box poking platform and a sand box. Thereby, effective forming production of molds can be realized, andthe working efficiency and the working quality can be improved.

The invention discloses a grouting forming device and method for an ITO rotating target. The grouting forming device for the ITO rotating target comprises an outer mold horizontally connected to a rotating mechanism and internally provided with a columnar cavity, wherein the left end of the outer mold is an open end communicating with the columnar cavity, and the left end of the outer mold is provided with a sealing end cover and a pulped material conveying pipeline arranged on the sealing end cover; the columnar cavity of the outer mold is internally provided with an inner mold and a materialpushing mechanism, wherein drainage capillary holes are distributed in the upper part of the inner mold and the material pushing mechanism is partially arranged inside the columnar cavity and partially and movably penetrates through the outer mold; and the inner wall of the inner mold and the sealing end cover and the material pushing mechanism form a forming mold cavity. The device has the advantages that the investment is low, the occupied space is small, the centrifugal force and the mold chemical capillary action are adopted, no large pressure gradient is generated, the uniformity and theconsistency of a plain blank are good, the internal stress is small, cracking is not prone to occur, the forming uniformity of the plain blank is guaranteed, demolding is facilitated, and the qualityof the product is improved.

The invention provides a self-heating sheet electric warming wall and a manufacturing method thereof, and belongs to the technical field of electric warming walls. The electric warming wall comprises a base body and a group of heating sheet layers arranged on the base body, wherein each heating sheet layer comprises a sheet surface plate, a sheet back plate and a carbon fiber paper layer arranged between the sheet surface plate and the sheet back plate; slots are formed in the upper end and the lower end of each sheet back plate; connector primary pieces are arranged in the slots in a matched mode and are fixed with the carbon fiber paper layer; connector secondary pieces are inserted in the connector primary pieces in a matched mode; each connector secondary piece is provided with a cable; and heating sheets are adhered to the base body through environment-friendly adhesives. By good heat conductivity of bamboo and good thermal insulation performance of wood, a novel wall material is manufactured by the bamboo, the wood and high-performance carbon fiber paper, is thin, does not occupy large space, is convenient to assemble and disassemble, does not damage the wall, is fully paved on a whole wall surface after being assembled, and is tidy and attractive.

The invention discloses a guide rail type large cabin body column section annular welding tool. The welding tool comprises a square shaft, a fixed flange, a shaft sleeve flange, an inner frame, an outer frame and an outer supporting arc block assemblies; the whole tool is of a detachable circumferential uniform distribution structure, the tool comprises the square shaft from inside to outside andcomprises the square shaft, the fixed flange, the shaft sleeve flange, the inner frame, the outer frame and the outer support arc block assembly; the square shaft is located at the center position ofthe whole tool; a connecting flange is welded at any end of the square shaft, assembling and fixing between the position changing machine of the welding system and the square shaft are achieved, fourparallel linear guide rails are arranged on the four sides of the square shaft, and the four parallel linear guide rails are used for smoothly moving the whole tool in the axial direction; Four sliding blocks are arranged on the inner side of the fixed flange to be connected with a linear guide rail on the square shaft and smoothly move along the axial direction; the inner frame, the outer frame and the shaft sleeve flange are sequentially connected with each other through hinge hole bolts to provide a radiation type extension and a repeatable disassembly function; and the outer supporting arcblock assemblies are uniformly arranged on the outermost circumference of the tool and are connected with the outer frame, and mechanical lead screws are arranged on the outer supporting arc block assemblies, so that the telescopic of the arc blocks are achieved, and the top tightening assembly of the column section annular weld joint is met.

The invention relates to a miniature electronic water pump for an electric car. The miniature electronic water pump comprises a base, a body, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are arranged on the body, and the body is arranged on the base. According to the miniature electronic water pump for the electric car, a sleeve can be arranged on the water outlet pipe in a sleeving mode and can be fixed to the water outlet pipe through limiting assemblies, and therefore a first filtering mechanism can be disassembled; installation columns of a shell can be embedded into specified installation guide grooves in the shell, the positions of the installation columns and the positions of the installation guide grooves are matched, and therefore a plurality of shells can be assembled like building blocks, the filtering efficiency can be improved, and the maintenance convenience can be improved; and in a second filtering mechanism, water is fully filtered through filtering layers, and the working reliability of the electronic water pump is improved.

The invention provides a sound-insulation and fireproof inner wall board. The sound-insulation and fireproof inner wall board comprises a body, wherein the body is composed of an upper sound-insulation cement layer, a light board and a lower sound-insulation cement layer which are spliced; the upper sound-insulation cement layer and the lower sound-insulation cement layer are internally provided with reinforced bars; the upper and lower surfaces of the body are coated with fireproof coatings respectively; and one side edge of the body is provided with a clamping tenon composed of a semicircular convex edge and a rectangular convex edge, and the other side edge of the body is provided with a rabbet composed of a semicircular groove and a rectangular notch. When the sound-insulation and fireproof inner wall board is mounted, the side face of the inner wall board is provided with the groove and the rectangular notch, so that the accuracy of mounting and positioning is guaranteed and the sound-insulation and fireproof inner wall board is convenient to detach; a joint is prevented from being cracked; the surface of the body is coated with a fireproof material, and the color and luster are the same as those of the ground; the sound-insulation and fireproof inner wall board is beautiful and has good fireproof performance; and the halogen element in the coatings can be used for effectively isolating a heat source and the sound-insulation and fireproof inner wall board is widely applied to the fields including buildings and the like.

The invention belongs to the technical field of fastener design, and in particular relates to a bolt capable of measuring pre-tightening elongation and a measuring method. A proposed bolt with measurable pretension elongation has a bolt head (1) and a bolt shank (2); the bolt shank (2) is a polished rod and a screw from top to bottom; the center of the bolt head (1), the bolt The center of the rod (2) polished rod has a through hole for the length measuring rod (5) to pass through; the center of the bolt rod (2) screw rod has a threaded hole threaded with the length measuring rod (5); the length measuring rod (5) ) has a threaded section (3) and a measuring section (4) arranged sequentially from top to bottom; the end face of the measuring section (4) of the length measuring rod is a plane and is perpendicular to the axis of the length measuring rod (5); the bolt head (1 ) is a plane perpendicular to the axis of the length measuring rod (5). Under the condition of not changing the current bolt installation structure, the invention achieves the purpose of accurately measuring the elongation of the tension rod portion of the bolt, and realizes the precise control of the bolt pretightening stress.

The invention provides a maintaining device of a public bicycle. The maintaining device comprises a first supporting frame; X-axis lead screws are parallelly arranged at the two ends of the first supporting frame correspondingly; an X-axis stepping motor is arranged on each X-axis lead screw; the two ends of a Y-axis lead screw are fixedly connected with the X-axis lead screws correspondingly; a Y-axis stepping motor is arranged on the Y-axis lead screw; a Z-axis lead screw is slidably fixed on the Y-axis lead screw; a Z-axis stepping motor and a pressure sensor are fixedly arranged on the Z-axis lead screw; the bottom of the Z-axis lead screw is fixedly connected with a fixed frame; a screw driver is arranged in the fixed frame; a second supporting frame is arranged below the Y-axis lead screw; a front wheel conveying belt and a rear wheel conveying belt are further arranged on the second supporting frame; a front left moving block and a front left limiting switch are arranged at one end of a positioning rod; and a front right moving block and a front right limiting switch are arranged at the other end of the positioning rod. Investment of manpower and material resources for maintaining the public bicycle is reduced greatly, and the accuracy of maintenance is guaranteed.

The invention discloses a large-scale high, medium pressure all-plastic centrifugal fan and relates to a fan. The fan consists of a polypropylene fan casing, a polypropylene impeller, a polypropylene hub, a driving device and a frame; the fan casing (1) is internally provided with the impeller (4) and is also provided with a wind inlet (2) and a wind outlet (3); the output shaft of a motor is connected with a pulley (7), connects one end of a driving shaft (6) with the impeller (4) by a bearing pedestal (11) which is fixed on a bracket (5), and causes the key-part, impeller, of the fan to increase metal liner plate and adopts processes such as thermofussion welding, hot air extrusion welding, and the like, thereby ensuring the overall strength and stiffness of the fun so as to improve the corrosion resistance performance of the fan and prolong the service life. In a fan which is applied in a cold-rolled steel pickling line and an acid regeneration ventilation system, the service life of the fan is far longer than that of an ordinary fan.

A self-cleaning photovoltaic module comprises a photovoltaic module board and a mounting frame, the mounting frame is located on the outside of the photovoltaic module board, An electrostatic vacuum cleaner is transversely installed directly above the photovoltaic module plate, A sponge strip is arranged at the bottom end of the side wall of the electrostatic vacuum cleaner, a sticking tape is bonded between the sponge strip and the bottom end of the side wall of the electrostatic vacuum cleaner, the sponge strip is connected with the electrostatic vacuum cleaner through the sticking tape, andthe surface wall of the other side of the sponge strip is in contact with the surface of the photovoltaic module board. The invention has simple structure, can realize the secondary cleaning of the photovoltaic module, thereby ensuring the surface cleanliness of the photovoltaic module, is convenient to replace the cleaning sponge strip, ensures the use effect, can uniformly deal with dust, is convenient to operate, and is suitable for being widely popularized and used.

The invention discloses a bronchoscope which comprises a bronchoscope body and a catheter with an inner diameter allowing medicine liquid or an instrument to pass. The bronchoscope body comprises an operation portion positioned at the head and an insertion pipe connected with the lower portion of the operation portion, the catheter is connected on the outer side of the insertion pipe in an abutted manner and connected and fixed through a connecting member, and in this way, the bronchoscope is provided with an insertion pipe passage and a passage of the catheter, namely double passages; the passage of the catheter can be used for examination and treatment, and the bronchoscope is supportive of secretion sucking operation, so that the bronchoscope does not need to go in and out of a bronchus frequently in the whole treatment process, convenience is brought to treatment, mental burden of a patient is reduced, and life safety of the patient during treatment is guaranteed; an integral cross section formed by connecting the catheter with the insertion pipe is roughly gourd-shaped, so that the bronchoscope can easily enter the bronchus along a narrow direction of a nasal passage or a throat passage, operation difficulty is avoided, and high applicability of the bronchoscope is guaranteed.

A recyclable temporary sidewalk and its construction method are proposed, which comprises a roadbed, a plurality of precast pavement slabs are uniformly laid on the upper end of the roadbed, the surface of each precast pavement slabs is poured with concrete, the upper end of the precast pavement slabs is paved with a cement stabilized macadam layer, and the upper end of the cement stabilized macadam layer is paved with a hot mix asphalt pavement layer. The prefabricated pavement slab has simple structure, convenient operation and repeatable use. The recovery rate of the prefabricated pavementslab is 70%-80% for cement stabilized macadam and 60%-70% for asphalt. The temporary sidewalk ensures the beautiful form and conforms to the green construction requirements, and solves the problem that the temporary road in the construction site is generally not beautiful and the quality is poor.

The embodiment of the invention relates to a cold trap device and diffusion furnace equipment. The cold trap device comprises an outer shell, an inner shell and a cooling pipeline; the outer shell comprises a first air inlet and a first air outlet; the inner shell is located in the outer shell; the inner shell is detachable relative to the outer shell; the inner shell comprises a second air inletand a second air outlet; the second air inlet is communicated with the first air inlet; the second air outlet is communicated with the first air outlet; and the cooling pipeline is positioned in the inner shell. The maintenance time of the cold trap device can be shortened, and the productivity of a machine table is improved.

The invention discloses an automatic nut loosening and tightening device for a reaction kettle. The automatic nut loosening and tightening device comprises nut loosening parts and first driving mechanisms capable of being operated remotely. The nut loosening parts and the nuts of a reaction kettle cover are same in quantity, and each nut loosening part is in fit confection to each nut; the first driving mechanisms drive one nut loosening and tightening part to rotate, so that the nut is loosened and tightened. The loosening and tightening parts are acted to the nuts, separately, and the firstdriving mechanisms drive the nut loosening and tightening parts to rotate, so that the nuts are assembled automatically, and therefore, the manual disassembling complexity and the technique in the operating process are avoided effectively. Meanwhile, each position fastened by the reaction kettle cover is stressed uniformly by means of automatic assembly, so that the sealing property of the kettlecover is guaranteed.

The invention relates to an electric power system cooling equipment of a pilotless automobile; the equipment comprises a shell, a curved block is fixedly connected to the left side of the shell, connecting mechanisms are installed on the upper side and the lower side of the curved block correspondingly, each connecting mechanism comprises a square plate, a circular plate, a bent plate, a first threaded rod and a first handle, and the inner sides of the two square plates are fixedly connected with the left ends of the upper sides and the lower sides of the bent plates correspondingly. First handles of the connecting mechanisms drive the first threaded rods to rotate, so that the bent plates are matched with the circular plates to rotate towards the inner side, the trouble of punching is omitted, damage to the automobile body is avoided, the mounting difficulty is reduced, and the usability is improved; meanwhile, the problem of connection control tripping is solved, normal disassembly is ensured, and normal maintenance and inspection are ensured. The cooling equipment is convenient to use, meets multi-position cooling of the power system, does not need to be disassembled and assembled again, is easy to use, prevents the power system from being collided and damaged, saves maintenance cost, prolongs the service life, and is convenient to popularize and use.

The invention discloses a cutting machine tool changing jig which comprises a sleeve, a fixing rod and a nut. A bearing is mounted at the bottom of the inner side of the sleeve, an adjusting rod is connected to the inner side of the bearing, a clamping plate is fixed to the bottom end of the adjusting rod, the outer side of the top end of the adjusting rod is connected with a fixing rod, and mounting grooves are formed in the top end of the fixing rod. PINs are inserted into the inner sides of the mounting grooves in a penetrating mode, limiting grooves are formed in the inner sides of the bottoms of the PINs, limiting rods are arranged in the limiting grooves, a screw rod is inserted into the middle of the fixing rod in a penetrating mode, the nut is connected to the top end of the screw rod, and a non-slip mat is arranged on the outer side of the bottom of the sleeve. According to the cutting machine tool changing jig, the fixed PINs of the tool changing jig are additionally arranged, the original 2EA is changed into 4EA, the problem that a tool cover with loose teeth cannot be used before is solved, meanwhile, the PINs can be changed, long-term use of the jig is conveniently guaranteed, the fixing rod can be driven to ascend and descend on the inner side of the sleeve through rotation of the adjusting rod, and the PINs are convenient to detach and replace.