19results about How to "Eliminate deformation" patented technology

The utility model relates to a kind of wire controllers, belong to air conditioner accessories field.It includes back cover (22) and metal mounting plate (21), metal mounting plate (21) middle part is equipped with wire harness perforation (214), wire harness perforation (214) both sides are equipped with mounting hole (212), wire harness perforation (214) top is equipped with clamping hook (211), back cover (22) back side wall is equipped with clamping groove (223), metal mounting plate (21) is connected with back cover (22) by clamping hook (211) and clamping groove (223).Through metal mounting plate (21) eliminates deformation problem when fastening, avoid only fastening after disassembling back cover (22).Through clamping hook (211) and clamping groove (223) realize metal mounting plate (21) and back cover (22) connection, improve installation and disassembly efficiency.Solve existing back cover (22) fastening easy deformation, cause repeated disassembly and repeated installation, increase installation difficulty problem.

The utility model discloses an anti-deformation device for welding an anti-explosion valve of a battery cover plate, and belongs to the field of welding of battery cover plates. Comprising a supporting seat, a base, a pressing plate, a pressing block and a power assembly. By arranging the base and the pressing plate with the pressing block, during welding, the pressing plate drives the pressing block to move downwards, so that the pressing block is matched with the base to firmly press and fix the substrate, controllable downward pressure is applied in real time in the welding process, deformation caused by thermal stress is actively counteracted, and therefore the situation that the substrate deforms in the welding process can be effectively prevented; and correction treatment after deformation is not needed. Therefore, the flatness deviation of the substrate after the explosion-proof valve is welded can be ensured to be less than or equal to 0.1 mm, and the explosion pressure stability (deviation lt; 5%). And the contact area of the substrate, the base and the pressing block is guaranteed, the heat dissipation efficiency can be guaranteed, stress residues caused by cold and hot changes in the welding process are greatly reduced, and deformation in the subsequent use process is avoided.

This application relates to the field of flexible printed circuit board (FPCA) inspection technology, and discloses a multi-region targeted algorithm fusion detection method for FPCA. The method includes: acquiring the image to be inspected, extracting process reference points and estimating the nonlinear deformation field, and performing geometric correction on image block features; orthogonally decoupling the corrected features into semantic direction components and interference amplitude components, discarding the interference amplitude components; performing weighted similarity matching between the semantic direction components and a weighted memory stored according to preset weights of functional regions to obtain anomaly scores; fusing multi-scale anomaly scores and comparing them with a threshold to output the detection results. This application eliminates deformation and illumination interference through a dual mechanism of geometric correction and feature decoupling, and improves the detection capability of minute defects by combining a functional region weighted memory with multi-scale fusion, achieving a significant improvement in detection accuracy and robustness.

The utility model belongs to the tunneling machine technical field, concretely relates to a protection structure of cantilever tunneling machine for tunnel excavation, including tunneling machine main part, the tunneling machine main part is fixedly installed with the connecting frame, the one end of connecting frame is fixedly connected with the scraper blade away from tunneling machine main part, the scraper blade is rotatably connected with the soil sweeping disc, the downside of connecting frame is provided with the conveying mechanism, be provided with the protection assembly on the conveying mechanism. The protection structure of cantilever tunneling machine for tunnel excavation uses the use of protection assembly, motor drives oval wheel rotation, drives straight pole reciprocating motion, makes the flattening plate left and right movement and sticks to the surface of conveyer belt, and the broken stone and broken soil concentrated in the middle are spreaded to both sides, cooperate the partition board on the conveyer belt, can form the regular material heap, avoid the material protruding scratch tunneling machine chassis. This dynamic flattening design can effectively eliminate the deformation of conveyer belt due to local extrusion, prolong the service life of conveyer belt, reduce the equipment failure caused by scratching.

The utility model discloses a small line diameter petal spring hot press setting device relates to petal spring production and processing technical field, solved the problem that petal spring is easy to have thermal shrinkage deformation in annealing process. The hot press setting device includes: install lower die install lower die and include mounting panel and a plurality of vertical fixed limit rod on mounting panel, a plurality of limit rods can respectively along the outer contour and the inner contour distribution of petal spring, to form the limiting area for limiting a plurality of superimposed petal spring between a plurality of limit rods, press mechanism, press mechanism includes a plurality of can go up and down the press needle, a plurality of press needles all are located the just above of limiting area, and along the locus shape distribution of petal spring. The device can be compacted and positioned a plurality of superimposed petal spring on install lower die, make petal spring be in the stress annealing of laminated pressure and go, can completely eliminate the deformation in the heating process, guarantee product quality, realize batch production.

The utility model discloses a sample plate piece cart, which relates to the technical field of carts, and comprises a frame, a support assembly and a roller assembly, the support assembly comprises a plurality of first support rods, a plurality of second support rods and two adjusting rods arranged on the frame at intervals along the length direction of the frame, the number of the first support rods is more than one, and the number of the second support rods is more than one. The number of the first supporting rods is equal to that of the second supporting rods, the first supporting rods are arranged on one adjusting rod at intervals in the height direction of the frame, and the second supporting rods are arranged on the other adjusting rod at intervals in the height direction of the frame. The first supporting rod and the second supporting rod located at the same height are used for supporting the two ends of the sample plate piece correspondingly. The roller assembly is arranged at the bottom of the frame. By arranging the first supporting rods and the second supporting rods which are arranged in the vertical direction, the sample plate pieces can be stacked in a layered mode, contact between the sample plate pieces is eliminated, and therefore the situation that the sample plate pieces deform due to gravity extrusion is eliminated.

The utility model relates to an injection mold, in particular to an injection mold capable of eliminating glue inlet impact, which comprises an upper mold and a lower mold matched with the upper mold, and an injection runner is formed between the upper mold and the lower mold; a plurality of pitched roofs are arranged on the lower mold, pitched roof runners communicated with the injection molding runner are formed on the pitched roofs, and the pitched roof runners are further communicated with a glue inlet formed in the upper mold; the angle ejector mechanism is connected with the angle ejector, and during demolding, the angle ejector is ejected out along with a product under the action of the angle ejector mechanism; and the flow-in direction of the inclined top runner from the glue inlet is vertical to the injection direction of the glue inlet. Due to the arrangement of the pitched roof, the glue inlet and the pitched roof runner are kept in a vertical state, injection molding materials entering from the glue inlet cannot directly impact the surface of a product, the problem that water waves are generated on the surface of the product or the product is deformed can be effectively reduced, and the appearance and quality of the product are effectively improved.

The application discloses a manufacturing method of FR4 and PTFE mixed voltage circuit board, comprising the following steps: cutting, baking, inner layer dry film, inner layer AOI, pressing, mechanical drilling, plasma glue removal, copper deposition, pulse electroplating, single-side copper reduction, outer layer circuit, outer layer etching, outer layer AOI, solder mask, post-process, between the plasma glue removal and the copper deposition, there is a baking plate process for eliminating stress in the circuit board blank and eliminating moisture in the PTFE material again, between the outer layer AOI and the solder mask, there is a UV machine process for further eliminating moisture in the PTFE material and making the resin material shrink.

The invention relates to the technical field of batteries, in particular to a battery pack bottom support. The battery pack bottom support is used for bearing a battery pack and comprises at least two trays and connecting pieces, a split gap is formed between any two adjacent trays, any tray comprises a frame body, a reinforcing part and a connecting part which are integrally formed, the frame body is used for being connected with a girder of a vehicle, the reinforcing part is arranged in the frame body, and the connecting pieces are arranged on the frame body. Part of the connecting part is arranged on the frame body, the other part of the connecting part is arranged on the reinforcing part, and the connecting parts are used for connecting the battery pack; and the connecting pieces are positioned in the split gaps, are connected with any two adjacent frame bodies, and are used for connecting the battery packs. According to the battery pack bottom support, the at least two split type sub-trays are obtained through integrated die casting, so that the battery pack bottom support can adapt to various vehicle girder specifications, and the mold opening cost is reduced while the structural consistency of the battery pack bottom support is improved.

The invention discloses an active air inlet sealed type feeding system for a radioactive waste pyrolyzing furnace. The active air inlet sealed type feeding system comprises a turning plate overturning structure and a hopper overturning structure. The turning plate overturning structure comprises an upper shell and a turning plate capable of being opened and closed, and the turning plate is installed in the upper shell; the hopper overturning structure comprises a lower shell and a rotatable hopper, and the hopper is installed in the lower shell. When the turning plate and the hopper are both located at the closed position, preset gaps are formed between the turning plate and the upper shell, and preset gaps are formed between the hopper and the lower shell. When the turning plate and the hopper are both in the closed position, the negative pressure in the pyrolyzing furnace enables external air to flow into the furnace through the preset gap, and air flow from outside to inside is formed and used for cooling the hopper and preventing tar in pyrolyzing gas from being adhered.

This invention relates to the field of building material testing technology, specifically a fully automatic flexural strength tester for detecting the compressive strength of concrete. The tester includes: a base, a support device, a flexural indenter device, a control system, a data display screen, and a core sample clamping device. The base supports the mechanical structure of the entire device and provides an installation reference for each component. The support device is symmetrically arranged on both sides of the upper surface of the base, supporting the core sample clamping device and providing vertical load-bearing capacity. The core sample clamping device is installed on the upper end of the support device to clamp and fix the concrete core sample specimen, ensuring the positional stability of the specimen during loading. The flexural indenter device is located above the pressure sensor and applies a concentrated load to the concrete core sample specimen to achieve the flexural strength test. This invention replaces the traditional hydraulic cylinder drive with a motor drive, eliminating influencing factors such as piston deformation, hydraulic cylinder leakage, and changes in oil quality.

A worktable for an integrated high-power laser cutting machine includes parallel rails on both sides and several crossbeams spanning across them, forming a working area between the rails on both sides. A vertically arranged partition plate is positioned above the crossbeams, dividing the working area into several working chambers. A heat-insulating protective plate is positioned on the outer side of the partition plate. The heat-insulating protective plate and the partition plate together form a heat-insulating cavity, which separates the crossbeams from the working chambers. The rails are equipped with an intelligent dust-removing and heat-dissipating duct. A heat dissipation vent is opened on one side of the intelligent dust-removing and heat-dissipating duct, connecting the duct and the working chambers. A cooling fan is connected to the intelligent dust-removing and heat-dissipating duct. This invention significantly improves the thermal stability and processing accuracy of the high-power laser cutting worktable by integrating a composite structure of a heat-insulating protective plate, partition plate, and refractory bricks, along with an active heat dissipation and dust removal system, thus enabling it to perform laser cutting operations with a high-power laser cutting machine.

The invention relates to coil spring winding equipment and belongs to the technical field of coil spring manufacturing, the coil spring winding equipment comprises an unwinding device, an unwinding device, a processing device, an annealing device, a forming winding device and a discharging device which are arranged along a steel bar conveying path, the unwinding device comprises a storage rack and a discharging disc, and the unwinding device comprises a storage box and conveying assemblies arranged on the two sides of the storage box; the treatment device comprises a treatment rack, a first straightening wheel and a second straightening wheel which are used for rolling and straightening a steel bar, and a movable assembly for driving the first straightening wheel and the second straightening wheel to move, and the annealing device comprises an annealing rack, an annealing channel for circulating the straightened steel bar, and a heating piece for heating the annealing channel; the forming winding device comprises a forming rack, an adjusting assembly used for tensioning the annealed steel bars, a guide assembly, a rolling wheel assembly, a cutter assembly and a bending assembly used for bending the cut steel bars. According to the device, all the devices work cooperatively, steel bars are sequentially machined into coil springs through multiple procedures, and the technical effect that high-quality and high-precision coil springs are efficiently produced is achieved.

The application discloses a method for avoiding track damage by crossing a horizontal active fault, which sets a track intelligent control sliding structure on one side of the fault, and automatically processes the track on the one side of the fault to turn, according to the real-time monitored relative slip amount of the fault, and sequentially reduces the relative slip amount of the fault from the fault by hydraulic cylinders in equal difference, so as to eliminate the deformation of the rails on both sides of the fault. The method has the advantages that when the fault is activated, the track on the one side of the fault can be automatically processed to turn in real time and intelligently, the large slip of the fault can be adapted, the train passing requirement can be met, the train can pass without speed reduction, the deformation of the rail can be eliminated, the track is not damaged, the maintenance cost is saved, and the safe operation of the railway and the personal safety of passengers can be ensured.

The utility model discloses a positioning fixture for processing thin-wall bent pipe fittings, which belongs to the technical field of lathe fixture design, a positioning base of the positioning fixture is used for mounting a positioning core seat, a positioning support is used for mounting a positioning frame, and vertical kidney-shaped holes are symmetrically arranged on two sides of the positioning frame. A vertical screw in the vertical kidney-shaped hole is installed in a connecting screw hole of the positioning support, two positioning clamping arms are symmetrically installed at the bottom of the positioning frame, the outer diameter of the positioning core body is consistent with the inner diameter of the thin-wall bent pipe, the bottom of the thin-wall bent pipe is supported and limited by the positioning core body, and the top of the thin-wall bent pipe is limited by the two positioning clamping arms in a contact mode. Compared with an existing structure, the positioning clamp drives the positioning core body through threads, the positioning core body and a workpiece are locked through end face stress, clamping force only acts on the clamp matrix and does not directly act on the workpiece, the purpose of eliminating deformation is achieved, and machining precision and concentricity are effectively guaranteed.

The invention discloses a self-sealing integrated urine collector based on a multi-stage retention chamber, and belongs to the technical field of clinical examination and test equipment. The self-sealing integrated urine collector based on the multi-stage retention chamber comprises a collection cup, a damping plug and a test tube, an axial positioning pin extending axially is arranged on the inner wall of the fixing sleeve and forms an anti-rotation structure with a positioning opening of the test tube, so that displacement of the damping plug caused by rotation of the test tube after assembly is avoided; the damping plug is internally provided with a three-stage stepped volume increasing retention area which is tightly connected to the liquid inlet pipe in a sleeving mode and communicated with the liquid inlet pipe through a flow guide groove, a liquid pipeline multi-time reducing structure is formed, and linear accumulation of resistance coefficients is achieved. The technical problems that the size of the air guide pipe is limited, the valve plate is prone to failure and sealing is not reliable are solved, and urine collection which is free of valve plate self-sealing, accurate in quantification, convenient and fast to operate, safe and reliable is achieved.

This utility model relates to the field of inspection fixture technology, specifically to an inspection fixture for reinforcing steel sheet misalignment. It includes a base and a support plate on the base. A placement groove is provided in the middle of the support plate. The fixture also includes a negative pressure generator located at the lower end of the support plate, with its adsorption end extending into the placement groove. The placement groove in the middle of the support plate is used to accommodate and prevent the reinforcing steel sheet to be inspected from being obstructed. Support bars are provided to lift the reinforcing steel sheet, ensuring that the flexible circuit board and its reinforcing steel sheet can be evenly flattened under the negative pressure adsorption effect of the negative pressure generator. Simultaneously, due to the different number of positioning posts on both sides, the operator can only position the reinforcing steel sheet to be inspected in the only correct direction, effectively avoiding mis-inspection and production waste caused by incorrect orientation. This fixture can achieve stable positioning while also eliminating warping or deformation that may occur due to the flexibility of the flexible circuit board, greatly improving the accuracy and consistency of inspection results.

The utility model belongs to the technical field of steering knuckle bench tests, and particularly relates to a steering knuckle strength test deformation measuring device which comprises a laser sensor assembly, a supporting plate, a base and a sliding plate. The base comprises a vertical plate and a bottom plate, the vertical plate is arranged on the bottom plate, a first long-strip-shaped hole is formed in the supporting plate, and a second long-strip-shaped hole is formed in the vertical plate. The sliding plate comprises a second connecting plate and a third connecting plate, the second connecting plate is connected with the base, the third connecting plate is connected with the first long-strip-shaped hole in the supporting plate, and the second connecting plate is connected with the second long-strip-shaped hole in the vertical plate. According to the utility model, through a non-contact mode of laser displacement measurement, the situation that the contact type displacement sensor is damaged due to breakage of the steering knuckle in the test process is avoided, and various gaps and deformation of test clamps, fasteners and test equipment on most of the loading chains are eliminated; and the displacement measurement result is close to the displacement of the steering knuckle test loading point to the greatest extent.