9results about How to "Avoid mutual dislocation" patented technology

The invention relates to a back ridge and flue formwork system for preventing water seepage and smoke leakage of a flue, the back ridge comprises a mounting part arranged in a first cavity of a flue main formwork, the bottom surface of the mounting part abuts against a panel of the flue main formwork, and the upper edge of the mounting part does not exceed a side plate of the flue main formwork; each limiting part is arranged on the upper edge of the mounting part and extends towards the two sides from the mounting part, the limiting parts span the side plates of the flue main formwork and the side plates of the adjacent flue corner formworks on the two sides, and the tail ends of the limiting parts can limit the flue corner formworks. The mounting part is arranged in the first cavity of the flue main formwork, most structures of the back edges are embedded into the main formwork, the back edges are designed in a hidden mode, and the back edges are suitable for a narrower space, so that the moving space is larger, and convenience is brought to follow-up formwork disassembly; the flue corner formworks are limited, the formworks are reinforced and prevented from being staggered, and the flue corner formworks on the two sides and the flue main formwork in the middle are connected into a whole.

The present invention discloses an intensive sewage treatment device which is convenient for replacing a rotary disc aerator, comprising a reducer, a driving motor, a coupling, a main shaft, a bearing seat and an aeration disc, wherein the driving motor is mounted on the top surface of the reducer, the coupling is mounted on the right side surface of the reducer, the right end of the coupling is connected to the main shaft, the right end of the main shaft is connected to the bearing seat, a plurality of aeration discs are mounted at equal distances on the surface of the main shaft, and each aeration disc is formed by splicing two aeration circular arc discs; a stopping mechanism can be used to fix the mounting component and the positioning base together, so as to ensure that the mounting component cannot slide along the axis direction of the main shaft, so that the aeration circular arc disc cannot be displaced along the axis direction of the main shaft, and so as to ensure that the spacing between the aeration circular arc discs will not change, which helps to further increase the aeration effect, reduces the maintenance frequency, reduces the workload of workers, increases the duration of sewage treatment, makes sewage treatment more efficient, and improves the practicability of the device.

This utility model discloses a foldable packaging box, including a back panel, a second short side panel, a front panel, and a first short side panel. The back panel, second short side panel, front panel, and first short side panel form a frame-like structure. A first long bottom plate is provided on one side of the back panel, and multiple first limiting grooves are equally spaced on the side of the first long bottom plate away from the back panel. A second long bottom plate is provided on one side of the front panel, and multiple first limiting plates are provided on the second long bottom plate to cooperate with the first limiting grooves. A second short bottom plate is provided on one side of the first short side panel, and multiple second limiting plates are equally spaced on the side of the second short bottom plate away from the first short side panel. A first short bottom plate is provided on one side of the second short side panel. This utility model, through the first and second limiting plates, can limit the alignment between the assembled long bottom plates and short bottom plates, preventing misalignment between the long bottom plates and short bottom plates, thereby avoiding deformation of the packaging box.

The utility model belongs to the technical field of display screen installation, and particularly relates to a separable main screen butt joint positioning device which comprises a fixing plate, an upper limiting clamping rod and a lower limiting clamping rod, the upper portion of the front end of the fixing plate is fixedly connected with the upper limiting clamping rod, and the bottom of the front end of the fixing plate is fixedly connected with the lower limiting clamping rod. Second through holes are formed in the two sides of the upper end of the upper limiting clamping rod correspondingly, a limiting clamping shaft is movably connected into the second through holes, a pull button is fixedly connected to the upper end of the limiting clamping shaft, and a spring is fixedly connected between the bottom end of the pull button and the upper end of the upper limiting clamping rod; according to the utility model, the butt joint positioning installation of the main display screen and the auxiliary display screen can be completed, the transverse assembly of a plurality of display screens can be carried out in the same way, the operation is simple and convenient, the use is convenient, the display screens positioned and butt-jointed in the mode are not easy to misplace up and down, the mutual misplacement of pictures in the plurality of display screens can be avoided, the display and use of the pictures are facilitated, and the use is better.

The present disclosure relates to the technical field of light steel keel frame, and an embodiment of the present disclosure provides a plug-in light steel keel frame, which comprises a pair of light steel keels and a rectangular frame, the rectangular frame is inserted between the light steel keels, an inner support splicing component is arranged between the light steel keels and the rectangular frame, a hoisting component is arranged on the rectangular frame, the inner support splicing component comprises a plurality of first springs, the first springs are all fixedly connected to the bottom surface of the rectangular frame, the lower end of each first spring is connected with a support plate, and a plurality of insertion holes are arranged at the two ends of the upper and lower surfaces of the light steel keel. Through the above technical scheme, the technical problem that the connection strength is insufficient in the prior art, and the mutual dislocation phenomenon is prone to occur under the action of stress, thereby affecting the stability of the entire keel frame structure is solved.

The utility model belongs to the technical field of cold-rolling mills, and particularly relates to a four-roller cold-rolling mill for machining titanium 3D curved surface profiling materials. Comprising a rolling wheel set and an auxiliary wheel set, the rolling wheel set comprises two rolling wheels, the auxiliary wheel set comprises two auxiliary wheels, the rim faces of the two rolling wheels are divided into large column sections and small column sections in the axial direction, the radial faces of the two sides of the two rolling wheels are located on the same horizontal plane, and the large column sections and the small column sections are matched in a staggered mode. A rolling area is formed between the large column section and the small column section on the mutually staggered and matched sides of the two rolling wheels, the rim surfaces of the two auxiliary wheels are respectively attached to the radial surfaces of the two rolling wheels in a rolling manner, and the auxiliary wheels are used for abutting and limiting the rolling wheels; when high-hardness materials are machined, the rolling wheels can be prevented from being stressed and misplaced, and the qualification rate of finished products is increased.

The utility model belongs to the field of wine box especially is used for the wine box top structure and wine box of fixed wine bottle, to the existing shell adopts the mode of opening of rotation, the recess size that is arranged in its inside will be greater than wine bottle, make the recess after closing and wine bottle exist gap, easily lead to wine bottle to shake friction in the transportation process, and the stability is poor after the shell is combined, and the problem that easy misplacement affects the flatness of appearance, present the following scheme, including two shells, the shell is fixed with mounting seat in, the recess that mounting seat's one side is provided with the wine bottle appearance adaptation, is equipped with two connecting mechanisms between two mounting seats, the connecting mechanism includes the through -hole that is opened in the shell one side outer wall penetration, in the utility model, the wine box is assembled with the mode of splicing, can make the recess size and wine bottle fit in and reduce the gap, avoid wine bottle to shake, make the two shells of splicing each other positioning, avoid each other misplacement, ensure the flatness of wine box appearance.

The fresh-keeping device comprises a multi-layer containing device and a sealing device, the top of the multi-layer containing device is covered with the sealing device, and the multi-layer containing device is used for storing food; the sealing device comprises a positioning sealing mechanism and a negative ion fresh-keeping mechanism, the positioning sealing mechanism covers the top of the multi-layer containing device, the negative ion fresh-keeping mechanism is installed in the positioning sealing mechanism, and the positioning sealing mechanism is used for being matched with the multi-layer containing device for positioning. The arrangement mode that the multiple layers of containing devices are matched with the sealing device is utilized, the storage battery supplies power to the negative ion generator, a large number of electrons are generated, the electrons are combined with molecules in air to form negative ions, and after the negative ions are combined with bacteria in a positive ion state, the bacteria can generate structural change or energy transfer; the surfaces of the food materials are sterile, so that the effect of keeping the food materials fresh for a long time can be achieved.