116results about How to "Improve the strength of the connection structure" patented technology

The invention discloses a main cable saddle head structure and a forming method thereof. The saddle head structure comprises a saddle head body provided with a saddle groove, multiple partition plates are vertically welded in the saddle groove in a groove weld manner, and each partition plate is of an integral structure. The forming method of the saddle head structure includes the steps that firstly, the saddle head body and the partition plates meeting design requirements are manufactured, and corresponding slope grooves are machined in the saddle groove and the partition plates correspondingly according to the design requirements; secondly, the corresponding partition plates are assembled on other welded parts, except for two to four welded parts in the center of the saddle groove, in the saddle groove one by one according to the welding sequence of conducting symmetric welding from the two sides to the center and are welded in the groove weld manner; and thirdly, the corresponding partition plates are assembled on all the welded parts in the center of the saddle groove one by one and are welded in the groove weld manner. According to the main cable saddle head structure and the forming method thereof, the strength of connecting structures between the partition plates and the saddle groove and the structural strength of the partition plates are greatly improved, and the anti-shearing capability of a whole saddle head is high.

The invention relates to the technical field of automobile body structures, in particular to a connecting structure for a front face and a back faces of a light midbus and a body frame of the light midbus. An automobile front face covering part and an automobile back face covering part are fixedly installed at the front end and the back end of a body connecting end face framework through connecting flashes respectively. The connecting structure for the front face and the back face with the body frame has the following advantages that through the connecting flashes connected to the front end and the back end of the body connecting end face framework, the good connecting structure is provided for connection of the automobile front face and the automobile back face, convenience is brought to assembly and connection of the automobile front face and the automobile back face with the body frame, the process of the connecting flashes is simple, and the connecting structure strength is high; the connecting flashes can serve as reinforcing rib structures of the front end face and the back end face of the body connecting end face framework, and therefore the structural strength of the front end face and the back end face of the body connecting end face framework is greatly enhanced; the front face and the back face are connected with the body connecting end face framework by adopting the connecting structure, and therefore the waterproofness and the leakproofness are better; the surface of the front face covering part and the surface of the back face covering part achieve smooth butt-joint with the roof model surface and the side surfaces.

The invention relates to the field of the 3D printing technology and the casting process, in particular to a casting method adopting a dual thin shell mold process. The casting method comprises the step of manufacturing a thin shell mold 3D printer and a corresponding computer. Specifically, a thin shell mold is printed out through the 3D printing technology, the wall thickness of the thin shell mold does not exceed 2 mm, a high temperature resisting outer shell mold is manufactured out through the immersing sizing process in the precision casting process, after filling reinforcement, the thinshell mold is removed through a physical or chemical method, casting and aftertreatment are carried out, and a finished product is manufactured. The casting method has the advantages that productioncan be standardized by manufacturing the thin shell mold through the 3D printer, the 3D printing technology and the dewaxing casting process are combined, and a manufacturing process which is easier to operate and more environment-friendly and energy-saving and reduces the production cost is obtained.

The invention discloses a novel solar bracket power generation column with a protective cover. The novel solar bracket power generation column comprises a column body, wherein a solar panel mounting area is formed in the peripheral side of the column body, the protective cover is arranged on the top of the column body, the protective cover is positioned above the solar panel mounting area, so thatthe solar panel mounting area is effectively protected, the relatively good functions of resisting water, dust and weathering are achieved, faults and damage rates of the solar panel bracket, solar panel and related electronic components in the solar panel mounting area are reduced, and the service life of the solar bracket power generation column is prolonged.

The invention provides an axial flow fan which is easy to install and adjust, including fan blades and wind guide rings, the fan blades have a mounting end, the mounting end has a motor, and the motor has a mounting frame. The inner shaped strip cavity of the wind guide ring, the upper and lower ends of the cavity form ring-shaped fixed sides respectively, the mounting frame includes a mounting seat, and an mounting cavity is formed in the middle of the mounting seat, and the mounting cavity is used for installing Fixing the motor; a plurality of equally spaced extension plates are arranged on the peripheral edge of the mounting seat, the end of the extension plate is provided with a positioning bar extending vertically upward, and the end of the positioning bar has a horizontally extending outward The fixed strip has a fixed plate at the end of the fixed strip; an annular groove is formed on the upper end surface of the annular fixed edge, the fixed plate is matched with the annular groove, and the fixed plate is arc-shaped. The invention can solve the problems existing in the prior art, improves the installation structure between the fan and the wind guide ring, is convenient and flexible to install, and can improve the strength of the overall connection structure.

A bottom stop assembly of a zipper comprises a left stop part and a right stop part, wherein the outer side of the left stop part and the outer side of the right stop part are connected with a left zipper chain and a right zipper chain respectively. A right inserting groove and an annular hole are formed in the inner side of the right stop part and extend in the inner side direction, the annular hole is located in the front end of the right inserting groove and is straightly communicated with a groove hole of the right inserting groove, and the left stop part can be movably inserted into the groove hole of the right inserting groove and can be taken off from the side edge port of the right inserting groove. When the left stop part is inserted into the groove hole of the right inserting groove, the top end portion of the left stop part can be inserted into the annular hole. As the left stop part can be inserted into the groove hole of the right inserting groove, the left stop part can be vertically positioned; as the left stop part can be taken off from the side edge port, when the left stop part is withdrawn from the right inserting groove, the left stop part can be driven by the left zipper chain to rotate around the outer side wall of the annular hole to be capable of rotating out, and withdrawing is very convenient and fast. The bottom stop assembly has the characteristics and the advantages, thereby being capable of being applied to bottom stop assemblies of zippers.

The invention discloses a glass assembly for squash courts. The key point of the technical solution is to include at least two first glass units fixed on the ground, and hinged joints for entering and exiting the squash court are arranged between the adjacent first glass units. A glass door, a hinge assembly is installed between the glass door and one of the first glass units, a door lock assembly is installed between the glass door and the other first glass unit, the squash hall glass assembly of the present invention, The structural connection strength is high, and it has excellent structural stability, which can resist the impact of squash balls and reduce the loosening of glass assemblies.

The invention discloses a lithium battery end structure and a manufacturing method, the lithium battery end structure comprises a shell, a battery cell, a current collector and the like, a current collector cap and a sealing ring sleeved outside the current collector cap are arranged outside the current collector, the current collector cap covers a liquid injection hole of the current collector and is conductively connected with the current collector, an inner circumference seal is formed between the sealing ring and the current collector cap. Outer circumferential sealing is formed between the sealing ring and the shell, a cover cap is arranged outside the sealing ring and the current collecting cap, the cover cap and the current collecting cap are in conductive connection, and the outer edge of the cover cap is peripherally pressed and conductively fixed by an outer turned edge at the end part of the shell; obviously, the port structure of the whole shell also achieves the conductive sealing effect under the condition of fewer parts, and has the use advantages of simple structure, compact design, capability of better improving the capacity of the lithium battery, simplification of the automatic processing procedure and the like; Meanwhile, the outer turned edge is circumferentially pressed and conductively fixed, so that the structural connection strength is improved, the structural compactness is ensured, and the use is safer.

The invention discloses a composite material main lifting support and a manufacturing and assembling method thereof, and belongs to the technical field of aviation aircraft accessories. The compositematerial main lifting support comprises an arc-shaped plate and two side supporting plates; the arc-shaped plate and the side supporting plates are made of composite materials, and the arc-shaped plate and the side supporting plates are integrally formed; the arc-shaped plate is used for being connected with the lower portion of a fuselage of an aircraft, and the two side supporting plates are connected to the two end faces of the arc-shaped plate respectively and used for being connected with two hubs respectively. The problems that in the prior art, a main lifting support is made of a metalmaterial, and the overall weight is large; and two hydraulic rods and a hub supporting mode are adopted, the weight of a main lifting support is large, operation is strenuous, and the universality ispoor are solved. The arc-shaped plate and the side support plates are made of composite materials, so that the overall weight is light; the two ends of the arc-shaped plate are each connected with onecorresponding side supporting plate, each side supporting plate is connected with a corresponding hub, and the whole support is light in weight and good in universality.

The invention discloses a paper tray and a processing technology thereof, and relates to the technical field of tray. A digital model pre-design mode and a component unit standardized production assembly mode are adopted to cooperate to produce a paper tray, the respective structural strength of a tray body and foot columns are improved, meanwhile, the structural strength of connection between thefoot columns and the tray body and the transmission uniformity of a load between the foot columns and the tray body are improved, the production operation of the tray body, the production operation of the foot columns and the combining production operation of the tray body and the foot column are completed step by step in an adhesive hot pressing operation manner, which is not only helpful to shorten the production and processing operation time of the paper tray, but also helpful to improve the structural strength and the use stability of the paper tray, so that the problem that the paper tray split easily or even deform when the paper tray support heavy articles is solved.

The invention discloses a railway vehicle and an end wall thereof, wherein the end wall is used for being matched with a roof, an underframe and a side-pull vehicle door of a vehicle body, and comprises an end wall body and a buffer pad, wherein the inner end surface and the outer end surface of the framework of the end wall body are respectively coated with a skin, two side plate edges of the outer skin are respectively provided with bent sections, the bent sections are formed by extending outwards along the plate surface of the outer skin and then longitudinally extending inwards, and the bent sections and the corresponding side surfaces of the framework are encircled to form accommodating grooves for accommodating the side edges of the end parts of the side-pulling vehicle door; the buffer pad is arranged in the groove bottom of the accommodating groove so as to be matched with the side edge of the side-pulling vehicle door in an abutting mode. According to the scheme, through structural optimization, vibration of the vehicle door can be effectively reduced, and a good technical guarantee is provided for improving the running performance of the whole vehicle.

The invention discloses a grouting device for a steel shear structure assembling type building and a construction method of the grouting device. The grouting device comprises grouting sleeves arranged in an H steel beam web, grouting communication pipes, reinforcing steel bar inserting holes, reinforcing steel bar stretching-out holes, and lower layer reinforcing steel bar inserting holes, wherein the reinforcing steel bar inserting holes and the reinforcing steel bar stretching-out holes are formed in an upper wing edge plate of an H steel beam, the lower layer reinforcing steel bar inserting holes are formed in a lower wing edge plate of the H steel beam, the two ends of the grouting sleeves are welded to the upper wing edge plate and the lower wing edge plate of the H steel beam; the reinforcing steel bar inserting holes and the reinforcing steel bar stretching-out holes of the upper wing edge plate and the lower layer reinforcing steel bar inserting holes of the lower wing edge plate are all communicated with the interiors of the grouting communication pipes, the grouting communication pipes are arranged on the inner upper side of the lower wing edge plate of the H steel beam, the grouting sleeves and the grouting communication pipes are communicated, and the aim that slurry is grouted into the grouting sleeves through one-position connection is achieved. The grouting device is simple in structure and novel in design, and facilitates industrialized production, the structural layout and the grouting method of interlayer reinforcing steel bar connecting sleeves are expanded, and the grouting construction speed and the grouting quality are improved.

The invention discloses a method for manufacturing a metal composite plate. The method for manufacturing the metal composite plate comprises the following steps: 1) forming sawtooth-shaped waves on the surfaces of a metal plate A and a metal plate B; 2) correspondingly adhering the waved surface of the metal plate A to the waved surface of the metal B; 3) treating the adhered metal plate A and metal plate B by using a rolling mode of a rolling machine or an explosion welding method, thereby obtaining the metal composite plate of the metal plate A and the metal plate B. By adopting the method for manufacturing the metal composite plate, the manufacturing cost of the metal composite plate can be remarkably reduced, and in addition, the obtained composite plate is relatively high in structural strength.

The invention discloses a micro asymmetric ceramic electrode plug. Compared with a traditional symmetric electrode plug with simple structure, the micro asymmetric electrode plug comprises a ceramic base body, a ladder-shaped groove and heading leg wires; ceramic powder materials are made into a finished product of an electrode plug through processes of mould forming, sintering, heading leg wire brazing and sealing and the like; the micro asymmetric ceramic electrode plug is suitable for being filled with a thin film type energy conversion element chip with the length of not more than 0.5mm, the width of not more than 0.5mm and the height of not more than 0.5mm; the micro asymmetric ceramic electrode plug has requirements on minimization of diameter and height and maintenance of structural strength and electric insulation strength under the condition that the electrode plug has a basic function of the traditional electrode plug; a force of connection between the electrode plug and each leg wire is not less than 50N and the antistatic value is not less than 1.9kV; compared with a firing assembly comprising a semiconductor bridge transduction element and an energetic material, the micro asymmetric ceramic electrode plug has the characteristics of low firing energy, short action time, good action consistency and good antistatic and anti-radio frequency capabilities, and is suitable for a microelectromechanical system.

The invention belongs to the technical field of chair accessories and especially relates to a manufacturing technology for a handrail. The manufacturing technology for the handrail can be used for solving the technical problems of low assembling efficiency, and the like, of the prior art. The manufacturing technology for the handrail comprises the following steps: A) preparing raw materials: preparing an integrally injection-molded handrail sleeve, and manufacturing an inner support rod and a handrail plate; B) assembling: sleeving the lower end of the handrail sleeve from the upper end of anL-shaped elbow, blocking the middle part of a bar-shaped connecting plate in a locating slot, and then inserting a fastener into a stepped hole on the middle part of the bar-shaped connecting plate, stretching the fastener into a nut and connecting with the nut through a thread, distributing the bar-shaped connecting plate and a U-shaped connecting part in a crossing form, penetrating two bolts through the upper end of the handrail sleeve, penetrating the bolts through bolt holes on the two ends of the bar-shaped connecting plate and connecting with the handrail plate, thereby obtaining the handrail. The manufacturing technology for the handrail has the advantage that the assembling efficiency can be improved.

The invention discloses a PTFE heat exchanger and relates to the technical field of heat exchange equipment. The PTFE heat exchanger comprises a tube plate made from a PTFE material. A plurality of tube holes are formed in the tube plate. Heat exchange tubes made from the PTFE material are arranged in the tube holes. The heat exchange tubes and the tube plate are welded together through bonding materials. The PTFE is adopted as the raw material for the whole heat exchanger, so that the PTFE heat exchanger is low in weight, resistant to corrosion, high in strength of a connecting structure, and long in service life.