30results about How to "Solve the difficulty of assembly" patented technology

The invention provides clamping equipment. The clamping equipment comprises a movably-arranged mounting plate; an adsorption assembly fixedly arranged on the mounting plate and used for adsorbing a workpiece; a pressing assembly fixedly arranged on the mounting plate and used for abutting against the workpiece; after the adsorption assembly releases the workpiece, the workpiece is kept in contact with the mounting foundation through the pressing assembly; a pushing assembly mounted on the mounting plate; and the pushing assembly comprises a pushing part, and the pushing part is movably arranged so as to abut against the workpiece and push the workpiece to move to a preset position on a mounting foundation. The clamping equipment integrates the adsorption assembly, the pressing assembly and the pushing assembly, the overall structure is compact, the occupied space is small, a valve cover can be flexibly and accurately installed on an air conditioner outdoor unit through the clamping equipment, the assembling difficulty of the valve cover is reduced, and the problem that in the prior art, due to the installation mode of the valve cover, the assembly difficulty of the valve cover is large is solved.

The invention relates to the technical field of ship lift engineering, in particular to a method for assembling a winding drum and a winding drum shaft of a large ship lift. Assembling a horizontal displacement hanging beam in the winding drum, and installing two groups of heating devices; first-stage assembly of a drum shaft; mounting a cooling device and a horizontal driving device; the cooling device and the heating device work at the same time, after the preset temperature and time are reached, the cooling device and the heating device are dismantled, and the centering consistency of the winding drum shaft and the winding drum inner hole is checked and rechecked; a horizontal driving device horizontally moves the winding drum shaft, interference fit is converted into clearance fit, and the winding drum shaft is assembled in place; and cooling and inspecting to be qualified to finish the assembly. By means of the assembling method, the problem that in the prior art, hoisting turning-over safety risks exist can be effectively solved.

The invention relates to a ceramic matrix composite inner cone and a processing method thereof so as to solve the problems that a process for preparing an inner cone through a ceramic matrix compositeaccording to a traditional design scheme is difficult to realize, the structural strength can hardly meet requirements, and the assembly difficulty with a mounting seat is high. The inner cone comprises an upper conical face, a lower conical face, an inner conical face and a surrounding component, the upper conical face is in butt joint with the lower conical face, the butt joint position is located on the outer side of the upper end of the inner conical face, the lower end of the inner conical face extends outwards, the outer edge of the lower end of the inner conical face corresponds to theouter edge of the lower end of the lower conical face, the upper side and the lower side of the surrounding component are connected with the outer edge of the lower end of the lower conical face andthe outer edge of the lower end of the inner conical face correspondingly, and multiple bolt mounting holes are circumferentially formed in the lower end of the inner conical face. The processing method of the inner cone comprises the steps that (1) the upper conical face, the lower conical face, the inner conical face and the surrounding component are processed by using the ceramic matrix composite; and (2) the outer side of the inner conical face is sleeved with the upper conical face and the lower conical face, the surrounding component is mounted between the lower conical face and the inner conical face, and fixing is achieved by adopting an online rivet welding technology.

The invention provides a fan. The fan comprises a fan head and a body housing; the fan head is connected with the body housing through a regulating box; a stopping portion is arranged on the body housing; a limiting portion matched with the stopping portion for stopping is arranged on the regulating box so as to weaken or counteract a counter acting force of a torsional spring and / or a positioning spring of the fan on the regulating box. The fan of the present invention is used for solving the problem of great assembly difficulty of a fan in the prior art.

The invention provides a clamping device, which comprises: a movably arranged installation; an adsorption component, which is fixedly arranged on the installation plate and used for sucking a workpiece; a pressing component, which is fixedly arranged on the installation plate and used for connecting with the workpiece Abutting; after the adsorption component releases the workpiece, the workpiece is kept in contact with the mounting base through the pressing component; the pushing component is installed on the mounting plate; the pushing component includes a pushing portion, which is movably arranged to meet The workpiece abuts and pushes the workpiece to a preset position on the mounting base. The clamping device integrates adsorption components, pressing components and pushing components. The overall structure is relatively compact and occupies less space. Using this clamping device, the valve cover can be flexibly and accurately installed on the outer unit of the air conditioner, so that the valve cover can be flexibly and accurately installed. The assembly difficulty is reduced, and the problem that the valve cover is difficult to assemble due to the valve cover installation method in the prior art is solved.

The invention relates to a grate plate protection movable block of a single-tooth roller crusher convenient for disassembly and replacement. The grate plate protection movable block comprises a grate plate body and a protection movable block connected with the grate plate body, and is characterized in that the protection movable block consists of a left end movable block, a right end movable block and a middle movable block; the normal sections of the left and right end movable blocks and the middle movable block are long structural bodies with triangular upper parts and having regular trapezoidal insertion grooves in the lower parts; bolt holes are formed in the middle lower parts of the left and right end movable blocks and the middle movable block; the grate plate body is a long grate plate having regular trapezoidal bosses, matched with the regular trapezoidal insertion grooves, in the middle parts; bolt holes are also formed in the grate plate body; the regular trapezoidal insertion grooves of the protection movable block and the regular trapezoidal bosses of the grate plate body are inserted, and are fixedly connected through bolts, nuts and spring washers. The grate plate protection movable block has the advantages of simpleness and convenience for replacement, reduction of maintenance workload, shortening of maintenance time and reduction of spare part consumption.

The invention provides a differential planetary gear structure which comprises a driven gear, a planetary gear carrier, planetary gears, a left half axle gear, a right half axle gear, a left half axle and a right half axle, wherein the left half axle gear is arranged on the left half axle, the right half axle gear is arranged on the right half axle, the left half axle gear and the right half axle gear are meshed with the planetary gears respectively, each planetary gear comprises an axle and a gear fixed at one end of the axle, the axle is rotationally arranged on the planetary gear carrier, the planetary gear carrier is arranged on the driven gear and rotates with the driven gear synchronously, and the driven gear is rotationally arranged on the left half axle or the right half axle in a sleeving manner. The invention further relates to a vehicle. The differential planetary gear structure and the vehicle are simple and compact in structure, omit a straight axle or a cross axle between the two planetary gears compared with a traditional differential, reduce the processing difficulty and the processing and manufacturing costs, are simpler to assemble and have good extendability and universality.

The invention discloses a sealing cutter for a thermal shrinkage film yardage roll packaging machine. The sealing cutter is characterized by comprising a base. The lower end face of the base is a seal face which is a plane. A protruding rib is integrally arranged on the seal face. The protruding rib is equal to the seal face in length and divides the seal face into two parts with the equal width. A heating pipe installation hole and a thermo-electricity coupler installation hole are formed in the base. A connecting line from the center of the heating pipe installation hole to the center of the thermo-electricity coupler installation hole coincides with an axial line of the center of the protruding rib, and the perpendicular distance from the center of the heating pipe installation hole to the top end of the protruding rib is equal to the perpendicular distance from the center of the thermo-electricity coupler installation hole to the top end of the protruding rib. The sealing cutter has the advantages of being simple in structure, easy to assemble, low in cost, and good in sealing-cutting effect.

The invention discloses a novel three-dimensional microwave multi-chip module structure, and relates to the field of microwave microelectronic packaging. The structure comprises a bottom silicon chip, an MMIC chip, a top silicon chip and an ASIC chip from the bottom to the top. The bottom silicon chip is provided with a chip installation groove through etching, and the surface of the bottom silicon chip is plated with a first metal layer. The MMIC chip is bound at the bottom of the chip installation groove through a conductive glue layer, and the upper surface of the MMIC chip and the upper surface of the bottom silicon chip are sequentially provided with a sealed protection layer, a second metal layer and a first solder mask layer. A part, corresponding to the chip installation groove of the bottom silicon chip, of the bottom of the top silicon chip is provided with a bottom groove in an etching manner. The corresponding parts of the bottom and top silicon chips are respectively provided with a welding ball convex point pole in an etching manner. A third solder mask layer of the top silicon chip is provided with a metal electrode in an etching manner, and the ASIC chip is welded on the metal electrode of the top silicon chip. The technological production of a three-dimensional microwave multi-chip module is completed in a mode of wafer level through employing a silicon cavity structure and benzocyclobutene secondary wiring, and the production efficiency is improved.

The invention relates to the field of production of electronic elements, in particular to a micro-switch full-automatic assembly production system and a pressing, sorting and feeding device. The pressing, sorting and feeding device for the full-automatic assembling of the micro switch comprises a pressing centrifugal disc assembly, a pressing vibration material rail assembly, a pressing moving-taking block, a slide groove, an eleventh air cylinder, a fifth mounting base, a carrying mechanical arm mechanism, a pressing and tightening mechanism and a third photoelectric sensor assembly. The problem that the assembling difficulty is large in the assembling process, the pressing shape cannot be assembled in one step like a terminal and has to be divided into three parts of sorting, assemblingand tightening are solved, so that the qualified rate of machined finished products is high, and the interference between the mechanisms is small.

The invention relates to a ceramic matrix composite material inner cone and a processing method thereof, to solve the problem that the process of preparing the ceramic matrix composite material inner cone according to the traditional design scheme is difficult to realize, the structural strength is difficult to meet the requirements, and the assembly with the mounting seat is difficult. question. The inner cone includes an upper cone surface, a lower cone surface, an inner cone surface, and a surrounding member. The upper cone surface and the lower cone surface are joined, and the butt joint is located outside the end of the inner cone surface, and the lower end of the inner cone surface extends outward. And its outer edge corresponds to the outer edge of the lower end of the lower conical surface, the upper and lower sides of the surrounding member are respectively connected with the outer edge of the lower end of the lower conical surface and the outer edge of the lower end of the inner conical surface, and the lower end of the inner conical surface is circumferentially provided with Multiple bolt mounting holes. The processing method includes: 1) Using ceramic matrix composite materials to process the upper cone surface, lower cone surface, inner cone surface and surrounding member; 2) Set the upper cone surface and the lower cone surface on the outside of the inner cone surface, The shaped member is installed between the lower cone surface and the inner cone surface, and is fixed by online riveting technology.

The invention relates to a circuit breaker and its operating mechanism. The circuit breaker includes an arc extinguishing chamber with a moving contact and an operating mechanism connected with the moving contact in the arc extinguishing chamber. The operating mechanism includes a main body frame, on which an output shaft and an auxiliary switch are arranged. The mechanism also includes an indicator plate that is swingably mounted on the main body frame to indicate the working state of the operating mechanism, the output shaft is provided with an output crank arm, and the auxiliary switch has a drive shaft for realizing the auxiliary switch action. The drive shaft is provided with a first crank arm and a second crank arm, and an auxiliary switch driving link is hinged between the output crank arm and the first crank arm; the indicator board is correspondingly provided with a driving crank arm for driving the indicator board action , there is an indicator drive connecting rod hinged between the driving crank arm and the second crank arm. The state switching of the auxiliary switch and the indicator board is realized through a set of link mechanism, which reduces the number of parts of the operating mechanism and is easy to assemble.

The invention relates to a self-aligning rail type impact massage machine core which comprises a core frame, a motor, an inclined mandrel, a swing block, a universal coupling, a connecting rod, an impact shaft and an impact shaft sleeve. The motor and the impact shaft sleeve are correspondingly fixed to the two ends of the core frame, and the motor drives the inclined mandrel to rotate and drives the impact shaft to do reciprocating rectilinear motion along the impact shaft sleeve through the swing block, the universal shaft joint and the connecting rod. Wherein a guide mechanism is further arranged, and the guide mechanism comprises a self-aligning rod and a track groove; the aligning rod is locked on a non-rotating moving part in the impact shaft transmission chain; the rail groove is formed in the core frame and restrains the movement direction of the aligning rod. According to the invention, the self-aligning rod is matched with the track groove, so that the reciprocating motion of the impact shaft is restrained, the motion flexibility of each part is ensured, unnecessary wear is reduced, and the difficulty of processing and assembling is solved. The whole device has the advantages of being compact in structure, flexible in movement matching, low in noise and free of twisting.

The invention relates to the field of valves, in particular to a hydraulic testing plug valve. The hydraulic testing plug valve comprises a left side flange, a right side flange, a connecting mechanism and a clamp. The connecting mechanism comprises a plug board or a flow guide pipe; the left side flange and the right side flange are provided with a groove I and a groove II correspondingly; a boss I and a boss II are arranged on the periphery of the plug board and the outer wall periphery of the flow guide pipe correspondingly; and the flow guide pipe and the plug board are switched between an operation state and a pressure testing state. Under different states, the flow guide pipe or the plug board is arranged between the left side flange and the right side flange; the two sides of the boss I and the two sides of the boss II are matched with the groove I and the groove II correspondingly; a groove III is formed in the clamp; the left side flange and the right side flange are embedded into the groove III of the clamp; the left side flange and the right side flange are clamped through the clamp, and meanwhile the plug board or the flow guide pipe is clamped at the same time. The hydraulic testing plug valve is simple in structure, reliable in fastening, easy, safe and convenient to operate, high in sealing performance, capable of being mounted at any position of a system, free of flowing direction requirements, capable of being mounted in any direction and low in manufacturing cost.