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

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 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 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 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 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.

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 discloses a radio frequency adjustment and control monitoring trocar. The trocar comprises a hollow sleeve in which a radio frequency needle can be inserted and a trocar needle matched with the sleeve, the sleeve comprises a sleeve handle, a sleeve body with an insulating outer wall and a conducting point located at the lower end of the sleeve body, the trocar needle comprises a conducting needle body arranged in the sleeve body and a needle handle arranged at the upper end of the conducing needle body, and the upper end of the conducting needle body penetrates out of the needle handle and then is electrically connected with a nerve electrophysiology monitor through a connecting piece; the connecting piece comprises a first plug, a second plug and a wire, wherein the first plug is electrically connected with the upper end of the conducting needle body, the second plug is matched with an external interface of the nerve electrophysiology monitor, and the wire is connected with the two plugs. The radio frequency adjustment and control monitoring trocar is simple in overall structure, easy to operate and convenient to use, integrates medicine injection, radio frequency adjustment and control, electrophysiology monitor performed on peripheral nervous and other functions and facilitates research and treatment.

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 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 relates to a limiting device for a spring type guide track, belongs to the field of guide track limiting devices, and solves the problems that an existing limiting device is complicatedin structure and large in size, and thus, it is difficult to mount products on a guide track rapidly and difficult to separate the same from the guide track reliably. The limiting device comprises a limiting block, a pressure block and a rotating shaft, wherein the limiting block is a hollow cylinder; the pressure block is provided with a through hole of which the cross section is T-shaped; the T-shaped through hole comprises a first through hole with a first diameter and a second through hole with a second diameter; the first diameter is greater than the second diameter; the limiting block isplaced in the first through hole, and the diameter of the limiting block is greater than the second diameter; the rotating shaft can penetrate through the limiting block and the second through hole;the pressure block and a box which supports the guide track are fixed by the two ends of the rotating shaft through fixing assemblies separately; an annular space is formed by the rotating shaft and the inner wall of the limiting block; and a compression spring which can pop up the limiting block is arranged in the annular space. By the limiting device which is simple in structure and small in size, the products on the guide tracks can be rapidly mounted and reliably separated.