19results about How to "Smooth deformation" patented technology

The invention relates to the field of extrusion forming of piston skirts, in particular to an extrusion forming process of a large-size piston skirt of a marine diesel engine, which comprises the following steps of: placing a piston skirt raw material in a pre-forging annular die and a pre-forging lower die, pressing and moving downwards through a pre-forging convex die, forming a piston skirt pre-forging piece, taking out the pre-forging convex die, and replacing the pre-forging convex die with a finish-forging convex die; according to the method, the extrusion deformation process of the piston skirt is optimized, the internal metal deformation is smoother, the structure is more uniform, the metal flowing state of an area A with the most concentrated stress in the using process of the piston skirt is particularly improved, and the piston skirt forging is formed through downward pressing and movement of the finish-forging male die. And the overall quality is improved.

The invention discloses a plate processing technology, and aims to provide a plate arc-shaped surface processing method which is characterized by comprising the following steps: S1, plate pretreatment; s2, plate heating; s3, preparing a bending die; s4, the plates are placed and pressurized; s5, bending processing is carried out; s6, cooling treatment; s7, surface quality detection; s8, size detection; s9, post-processing the plate; and S10, final detection and packaging. Compared with the prior art, the plate arc-shaped surface machining method has the advantages that high-quality arc-shaped surface machining of the plate can be effectively realized; through a series of process steps of systematic pretreatment, heating, bending, cooling and the like on the plate, it is guaranteed that the plate does not deform or crack in the machining process, and the surface quality and the size precision of the bent plate can also be guaranteed; the invention is suitable for the technical field of plate processing.

The sealing structure comprises a movable window frame, the movable window frame is rotationally installed on a window frame on the wall face of a train body through a rotating structure, sealing strips are embedded in the movable window frame in the circumferential direction, the sealing strips located outside the movable window frame extend to form an extrusion part, and the cross section of the extrusion part is of an annular structure. When the movable window frame rotates towards the window frame to a closed state, the annular structure deforms and is pressed between the movable window frame and the window frame; the extrusion part of the sealing strip is arranged to be of the annular structure, the annular structure is not affected by the installation part at the embedded position when being stressed and deformed, and the annular structure is prone to deformation in the stressed state, so that the smoothness when the movable window is closed is effectively guaranteed, the stable and reliable sealing performance after the movable window is closed is effectively guaranteed, and practicability is good.

The invention discloses an offshore refueling tank reversing cabinet with an anti-abrasion steel wire rope, and relates to the technical field of offshore refueling. The device comprises a storage tank, the storage tank is fixedly connected with the inner side face of a supporting plate, the cross section of a bin body is fan-shaped, the outer side face of the bin body is fixedly connected with the inner side face of the storage tank, the outer side face of an extraction assembly is fixedly connected with the inner side face of the storage tank, a mixing assembly is fixedly connected to the top of a bottom plate, and the end, away from the bottom plate, of the mixing assembly penetrates through the storage tank. The extraction assembly is arranged on the inner wall and extends into the extraction assembly, the bin body of the fan-shaped structure radially extends from the circle center, pressure can be relatively evenly dispersed to the inner wall and the supporting structure, compared with some shapes with sharp corners, the fan-shaped structure can better bear the pressure of internal liquid, the risk that the structure is damaged due to too large local stress is reduced, and the service life of the extraction assembly is prolonged. The stability and safety of the structure are guaranteed in the long-term liquid storage process, and the service life of liquid storage facilities can be prolonged.

The invention discloses a road protective fence. The technical problem that supporting piles are troublesome to replace is solved. The road protective fence comprises a protective plate, two protective fence ends and a plurality of supporting piles, each supporting pile comprises a supporting column, a bearing seat and a supporting seat, the supporting seats are buried in the stratum and fixed to the stratum through concrete pouring, the upper surfaces of the supporting seats are flush with the road surface, and the supporting columns are arranged on the bearing seats. The bearing seat is detachably connected to the supporting seat through a plurality of fastening screws, and the supporting column is vertically arranged on the bearing seat and used for being connected with the protection plate. The supporting pile is more convenient to replace, the burden of workers can be reduced, and the working efficiency can be improved.

The utility model belongs to high -voltage electric porcelain technical field, concretely is a kind of anti-deformation pottery clay wine jar forming die, including support frame, still include: spraying assembly is set to support frame top inside;Send mud component, is set to support frame top outside;Moving assembly is set to support frame both sides inside;Die is real component, is set to moving assembly moving end;The utility model provides a kind of anti-deformation pottery clay wine jar forming die, before the two sides pottery clay mould is real, and spraying release agent on pottery clay mould inner wall, and release agent can reduce pottery clay and the adhesion of mould, ensure that pottery clay smoothly demould, avoid deformation or damage, secondly, it helps to ensure that pottery clay wine jar keeps stable shape during forming process, avoid partial pressure and deformation, furthermore, release agent can improve demoulding efficiency, reduce friction, to speed up production process, it can also protect mould surface, reduce wear and tear, extend the service life of mould, and reduce maintenance frequency.

The utility model belongs to cable field, specifically is a kind of impact-resistant composite cable, including cable body and buffer assembly, the outside of cable body is equipped with reinforcing frame, reinforcing frame evenly covers cable body, buffer assembly includes buffer strip, buffer strip is equipped with six, six buffer strips are evenly distributed in the outside of reinforcing frame, six buffer strips are respectively equipped with buffer plate between two two, the outside of buffer assembly is equipped with wear layer.The utility model evenly wraps cable body by inside reinforcing frame, provides a high-strength support framework, effectively prevents cable from being flattened, and the outside buffer assembly is formed by six buffer strips and buffer plate, forms a high-efficiency mechanical dissipation system, when cable is impacted or extruded from outside, impact force is first absorbed and buffered by elastic buffer strip and buffer plate, then evenly dispersed to entire reinforcing frame through multiple contact points, avoids stress concentration, greatly protects internal cable body from damage.

The utility model discloses a reinforced well cementation casing centralizer tool, the main body structure adopts the seamless steel pipe of spring steel, after cutting, the integral main body structure of further processing is formed after the integral processing, the upper sleeve and the lower sleeve of accommodating and sleeving in casing are located in the upper and lower both ends, and the multiple centralizing ribs of longitudinal arrangement between the upper sleeve and the lower sleeve and in the middle part, multiple centralizing ribs are arranged on the outer peripheral surface of upper sleeve and lower sleeve along the circumferential direction of upper sleeve and lower sleeve and are integrally formed connection with upper sleeve and lower sleeve, and the centralizing rib is outwardly inclined from the upper and lower both ends to the axis of casing, and a stress groove is arranged in the middle position of each centralizing rib to increase the reset force after deformation, and the fluid flow channel is formed between the adjacent two centralizing ribs, and the brush is fixed on the outside of upper sleeve and lower sleeve, and the brush is in contact with the well wall to destroy and remove the well wall mud cake. The application can ensure that the casing can smoothly enter the well, and improve the well cementation quality.

A method for designing a rubber free profile for a node product is disclosed. According to the interface size and stiffness performance requirements of the node product, the effective load-bearing length L of the rubber body is obtained by analytical calculation. At the same time, it is assumed that the line connecting the end of the rubber body between the core shaft and the outer sleeve is K1, and the connection point of the rubber profile is selected between the midpoint of K1 and the end of the outer sleeve N1 and the end of the core shaft N2. The end of the outer sleeve N1, each connection point and the end of the core shaft N2 are sequentially connected by line segments and the arc transition at the connection point is obtained to obtain the final shape of the rubber profile. The profile is moved inward to obtain the free profile of the rubber body. The present invention can quickly design a rubber free profile according to the structural characteristics of the metal parts of the traction node. The rubber free profile can achieve smooth deformation under the action of a large radial load. The deformed rubber free profile is approximately flat and has no wrinkles, and can meet the high load and long life requirements of the traction node.

The present application relates to the field of bending forming of elbow pipe, in particular to an elbow pipe forming core mold and its using method, a cold bending forming device and method, the upper core mold assembly of the elbow pipe section includes upper upper core mold and upper middle core mold, the upper upper core mold adopts the same austenitic stainless steel material as the pipe blank, the upper middle core mold adopts the material which is greater than or equal to 50HB in hardness than the upper upper core mold, the upper upper core mold is used to fit the inner abdominal side inner surface of the elbow pipe section of the pipe blank, the upper upper core mold and the upper middle core mold are connected.The upper core mold assembly of the elbow pipe section of the present application innovatively includes two parts of the upper upper core mold and the upper middle core mold, the upper middle core mold is harder than the upper upper core mold, and is not easy to deform during bending forming, the upper upper core mold adopts the same material as the pipe blank, and the deformation capacity is the same as the pipe blank, the upper upper core mold deforms with the pipe blank during bending forming, the inner abdominal side inner surface of the inner hole of the pipe blank is smoothly transitioned after bending forming, and excessive polishing is not needed, the pipe blank cold bending forming process of nuclear power stainless steel pipeline is optimized, and the efficiency and quality are improved.

The utility model provides a night search and rescue lighting device of a rescue helicopter, and belongs to the technical field of lighting devices. Comprising an illuminating lamp; the horizontal vibration reduction assembly is arranged at the top of the illuminating lamp and comprises a base arranged at the top of the illuminating lamp, a connecting shaft is arranged between the base and the illuminating lamp, the connecting shaft is fixedly connected with the illuminating lamp, and a transmission plate is fixedly connected to the end, close to the interior of the base, of the connecting shaft; a main elastic piece is arranged on the side, close to the transmission plate, of the base. By arranging the horizontal vibration reduction assembly, when the illuminating lamp is disturbed by airflow, the connecting shaft swings along with the illuminating lamp, then the transmission plate is driven to move in the base, the acting force borne by the transmission plate is transmitted to the main elastic pieces, and the multiple main elastic pieces can conduct vibration reduction by means of elastic deformation of the main elastic pieces. The vibration energy can be effectively absorbed and buffered from multiple directions, the influence of vibration in the horizontal direction on the lighting device is remarkably reduced, and the service life of the lighting device can be prolonged.

The application discloses a kind of gas magnetization energy-saving devices, it is related to magnetization energy-saving device technical field, the gas magnetization energy-saving device, including magnetization equipment body, magnetization equipment body includes front shell, rear shell and gas flow pipe, front shell and rear shell are set in front and back two sides of gas flow pipe, the outer surface of front shell and rear shell is fixedly connected with mounting block, the outer surface of gas flow pipe is fixedly connected with two symmetrical first fixed blocks, the top of gas flow pipe is provided with gas pipe, the gas magnetization energy-saving device, by making gear drive fixed rod slide out the inside of fixed groove, so that the fixation of gas flow pipe and gas pipe is removed, so that the connection of gas flow pipe and gas pipe is more convenient, and staff can more smoothly install and disassemble magnetization equipment body, so that staff can conveniently carry out post-maintenance to magnetization equipment body, simultaneously, staff can more conveniently use device.

This utility model discloses a flexible sheet gripper, comprising a connecting part made of elastic material, the connecting part including a driving chamber, an upper connecting plate disposed on the upper part of the connecting part, the upper connecting plate having a communication port communicating with the driving chamber, the driving chamber including a bottom wall and a side wall, two flexible fingers connected to the lower part of the bottom wall, the area between the two flexible fingers forming a gripping area, when the upper connecting plate is in a horizontal state and the observer is facing the gripping area, the side facing the observer is defined as the front, the part of the bottom wall corresponding to the gripping area is a deformable part, the thickness of the deformable part is less than the thickness of the side wall or the elastic modulus of the deformable part is less than the elastic modulus of the side wall, and an outer reinforcing part is disposed between the outer side of the base of each flexible finger and the bottom wall. This flexible sheet gripper has a greater gripping force.

The utility model relates to the technical field of structural sealing, in particular to a high-speed oil seal for forward and reverse rotation of a shaft body, which comprises an elastic sealing body, an inner bone ring plate, a reverse elastic ring plate and a forward elastic ring plate, the reverse elastic ring plate and the forward elastic ring plate are both arranged on the inner side of the inner bone ring plate, the reverse elastic ring plate and the forward elastic ring plate are both used for being arranged on the shaft body in a sleeving mode, and an oil storage cavity is formed among the reverse elastic ring plate, the forward elastic ring plate and the shaft body. A reverse spiral groove clockwise around the axis direction of the shaft body is formed in the reverse elastic ring plate, a forward spiral groove anticlockwise around the axis direction of the shaft body is formed in the forward elastic ring plate, and the reverse spiral groove and the forward spiral groove are both attached to the outer side wall of the shaft body. The sealing structure has the effect of improving the sealing performance of the shaft body in the forward rotation and reverse rotation processes.

The utility model provides a new energy vehicle battery PACK box body belongs to battery PACK box body technical field, include PACK lower box body ontology still include: protection mechanism, protection mechanism includes the upper plate fixed in PACK lower box body bottom, the bottom fixed connection ring of upper plate, the bottom fixed lower plate of connection ring, the thickness of upper plate is greater than the thickness of lower plate, the utility model discloses through setting upper plate, lower plate and connecting strip, upper plate is fixed in PACK lower box bottom, lower plate is fixed in lower plate bottom through connecting strip, when the knock, lower plate deformation, the buffer cavity is formed between upper plate and lower plate, and the buffer cavity is used to accommodate the deformation of lower plate when being knocked, and is influenced by the thickness of upper plate is greater than the thickness of lower plate, when the lower plate is deformed and is pressed against the upper plate, the upper plate of greater thickness can also effectively resist the greater deformation of the lower plate, greatly reduce the influence to the liquid cooling plate and battery in the PACK lower box body ontology, thereby improve the protection ability to the liquid cooling plate and battery.

The utility model provides a support pushing system. The stent pushing system comprises a sheath tube; at least one part of the pushing part is movably arranged in the sheath tube, one end of the pushing part can extend out of or return to the sheath tube, and the part, extending out of the sheath tube, of the pushing part is provided with a clamping jaw structure; the support and the clamping jaw structure can pick up or put down the support, the support is of a deformable structure, and when the support enters the sheathing canal along with the pushing piece, at least one part of the support shrinks; the loader is arranged at one end of the sheathing canal, the pushing piece can penetrate through the loader and extend out of the sheathing canal, and the opening area of the end, away from the sheathing canal, of the loader is larger than that of the end, close to the sheathing canal, of the loader. The problem that in the prior art, a support cannot be repeatedly positioned and recycled is solved.

The utility model relates to a filament bending wrench, the filament bending wrench comprises a wrench and a bending column, the front end of the wrench is provided with a vertically through positioning hole, and the wrench located at the inner side of the positioning hole is provided with a limiting hole; the bending column comprises a rotating part and a limiting part, and the rotating part is rotationally connected with the limiting hole through a bearing set. In the bending process, the bending column is tightly attached to the lamp filament and is driven by friction force to rotate smoothly, tight attachment in the whole bending process is guaranteed, extra acting force except shearing force is not generated on the lamp filament, and smooth deformation of the lamp filament is guaranteed.

The high-precision can pressing equipment for metal can machining comprises a horizontally-arranged workbench, a vertical plate is vertically installed on the workbench, a first position adjusting mechanism is arranged on the vertical plate, and a second position adjusting mechanism is arranged at the output end of the first position adjusting mechanism; a can pressing mechanism is arranged at the output end of the second position adjusting mechanism, an upper die is arranged at the output end of the can pressing mechanism, a third position adjusting mechanism is arranged on the vertical plate, and a lower die is arranged at the output end of the third position adjusting mechanism. The positions of the upper die and the lower die are accurately adjusted in the multi-axis direction through the first position adjusting mechanism, the second position adjusting mechanism and the third position adjusting mechanism, the machining requirements of iron cans of different sizes and shapes can be met, it is ensured that the upper die and the lower die can be accurately combined before each time of punching, the accuracy of the punching action is ensured, and the production efficiency is improved. Therefore, high-precision control over the size and the shape of each part of the can is achieved, and the forming quality of products is improved.