36results about How to "Reduce cutting waste" patented technology

The invention discloses a small-caliber-pipeline intensive type heat preservation device and method. The small-caliber-pipeline intensive type heat preservation device comprises a heat preservation layer and an outer protective layer frame type support. The heat preservation layer comprises first aluminum silicate fiber blankets and a composite heat preservation structure. Each first aluminum silicate fiber blanket is wrapped around a single pipeline needing heat preservation. Each first aluminum silicate fiber blanket is externally bundled with a galvanized iron wire. The composite heat preservation structure is wrapped around a row of pipelines wrapped inside the first aluminum silicate fiber blankets. The outer side of the composite heat preservation structure is bundled with iron gauze. The outer layer of the iron gauze is provided with the outer protective layer frame type support. Corrugated plates and corner wrapping plates are arranged on the outer protective layer frame type support and are fixed with self-tapping screws. The corrugated plates are arranged on the outer surface of the outer protective layer frame type support. The corner wrapping plates are arranged at the corners of the outer protective layer frame type support. By the adoption of the small-caliber-pipeline intensive type heat preservation device and method, the construction efficiency and the installation quality level can be improved, and the construction cost can be reduced.

A method for manufacturing a preferably asymmetrical lens element (5a) from a tempered blank (1) is characterized by: producing the lens element (5a) from a first partial volume (1a) of the tempered blank (1), whose thickness d is less than approximately 70%, preferably less than approximately 60%, particularly preferably less than approximately 50% of the thickness D of the tempered blank (1). Preferably, from a second partial volume (1b) of the tempered blank (1) at least a further lens element (5a′) is produced, wherein before the lens elements (5a, 5a′) are produced the tempered blank (1) is divided into the first and second partial volume (1a, 1b).

The invention discloses a steel pipe external circular cutting robot, which includes a platform, a feeding mechanism, a cutting mechanism, a rotating mechanism, a transmission channel, a rectangular steel plate working platform on the platform, and an installation platform for the feeding mechanism, the cutting mechanism, the rotating mechanism and the transmission channel; The lower end of the feeding mounting plate is vertically fixed to the platform, and the middle part of the feeding mounting plate is provided with an arc groove, and the outer side of the feeding mounting ring is fixedly installed in the arc groove provided on the feeding mounting plate. The invention actively feeds the steel pipes to be cut through the feeding mechanism, saves complicated manual operations, and improves work efficiency.

The invention discloses a filter element. The filter element is placed in a filter to be used for carrying out gas-solid separation filtration and / or liquid-solid separation filtration on an object tobe filtered during use; the filter element comprises at least two filter tubes which are arranged at intervals, and tube bodies of the filter tubes are formed by shaping metal or sheet-shaped materials taking the metal as a base body in a rolled mode and carrying out sealing processing on joints; the outer diameter of the tube body formed by rolling is only 20-200 mm, preferably 20-90 mm, furtherpreferably 20-60 mm, and further preferably 25-50 mm, and the outer diameter of the tube body formed by rolling is only 20-200 mm, preferably 20-90 mm; the lengths of the filter tubes range from 100mm to 5000 mm, preferably range from 100 mm to 3000 mm, further preferably range from 100 mm to 2000 mm, and further preferably range from 200 mm to 1500 mm. A plurality of small-diameter filter tubesare bundled, so the filtering area can be remarkably increased in a limited mounting space; the length of the filter element is reduced, so the blowback effect can be more uniformly distributed in the axial direction of the filter tubes. Therefore, the technical problems that in the prior art, a filter element is small in filtering area and poor in back flushing effectiveness are effectively solved.

The invention discloses a filter. The filter comprises a filter structure, and the filter structure comprises at least two filter elements which are arranged at intervals; the filter element comprisesat least two filter tubes which are arranged at intervals, and tube bodies of the filter tubes are formed by shaping metal or a sheet-shaped material taking the metal as a base body in a rolling manner and performing sealing processing on joints; and the outer diameter of the pipe body formed by rolling is only 20-200 mm. The bundled filter element formed by bundling a plurality of small-diameterfilter tubes is adopted, so that the filtering area can be remarkably increased; for a filter with a large size, the weight of a single filter element can be reduced by adopting a plurality of cluster type filter elements while a high filtering area is ensured, and the installation is simplified; for a filtering structure needing a large number of filter tubes, a plurality of cluster type filterelements are respectively mounted, so that a relatively uniform blowback effect can be ensured. Therefore, compared with the prior art, the filter has the advantages that a larger filter area can be achieved, and the problems of installation and blowback after the filter pipes are bundled are solved.

The invention belongs to the technical field of continuous casting, and in particular provides a method for adjusting the width of a crystallizer in an online hot state at high speed. According to the solidification and shrinkage characteristics of molten steel in the crystallizer, the present invention determines the reasonable mechanism of mold width adjustment or narrowing adjustment, deduces the adjustment limit speed of mold width or narrowing adjustment, and selects the best mold on-line heating according to actual production needs. State high-speed adjustment width parameters. The invention eliminates the air gap between the billet shell and the casting billet during the hot widening or narrowing process, so that the stress on the billet shell is low and uniform, and at the same time, the width or narrowing is improved without reducing the casting speed. speed.

The invention discloses a filter element. The filter element is placed in a filter to be used for carrying out gas-solid separation filtration and / or liquid-solid separation filtration on an object tobe filtered during use, the filter element comprises at least two filter tubes which are arranged at intervals, and tube bodies of the filter tubes are formed by shaping metal or sheet-shaped materials taking the metal as a base body in a rolled mode and carrying out sealing processing on joints; and the outer diameter of the pipe body formed by rolling is only 20 to 200 mm, preferably 20 to 90 mm, further preferably 20 to 60 mm, and further preferably 25 to 50 mm. A conventional large-diameter single-tube filter element is replaced with a bundled filter element formed by bundling a pluralityof small-diameter filter tubes, so the filter area can be remarkably increased in a limited mounting space; the filter pipe has the advantages of self-supporting property, high strength, low cost, capability of bearing high filtering temperature and small filtering resistance. Therefore, the technical problem of small filtering area of the filter element in the prior art is effectively solved.

The invention discloses a small-caliber-pipeline intensive type heat preservation device and method. The small-caliber-pipeline intensive type heat preservation device comprises a heat preservation layer and an outer protective layer frame type support. The heat preservation layer comprises first aluminum silicate fiber blankets and a composite heat preservation structure. Each first aluminum silicate fiber blanket is wrapped around a single pipeline needing heat preservation. Each first aluminum silicate fiber blanket is externally bundled with a galvanized iron wire. The composite heat preservation structure is wrapped around a row of pipelines wrapped inside the first aluminum silicate fiber blankets. The outer side of the composite heat preservation structure is bundled with iron gauze. The outer layer of the iron gauze is provided with the outer protective layer frame type support. Corrugated plates and corner wrapping plates are arranged on the outer protective layer frame type support and are fixed with self-tapping screws. The corrugated plates are arranged on the outer surface of the outer protective layer frame type support. The corner wrapping plates are arranged at the corners of the outer protective layer frame type support. By the adoption of the small-caliber-pipeline intensive type heat preservation device and method, the construction efficiency and the installation quality level can be improved, and the construction cost can be reduced.

The invention discloses filter tubes and a preparation method thereof. When in use, the filter tubes are densely distributed in a filter in an array manner and are used for carrying out gas-solid separation filtration and / or liquid-solid separation filtration on a to-be-filtered object, and tube bodies of the filter tubes are formed by shaping metal or a sheet-shaped material taking metal as a matrix in a rolling manner and carrying out sealing processing on joints; and the outer diameter of the tube bodies formed by rolling is only 20 to 200 mm, preferably 20 to 90 mm, further preferably 20 to 60 mm, and further preferably 25 to 50 mm. The preparation method of the filter tubes comprises the steps: rolling the sheet-shaped material with the thickness of 0.2-2.5 mm into the tube bodies with the outer diameter of 20-200 mm; and when the diameter of the filter tubes is reduced to be 200 mm or less, the strength of the filter tubes can be maintained in a tube shape even if a support bodyis not arranged any more, and self-support can be realized, so that the weight and the cost can be remarkably reduced; therefore, the technical problems of high cost and low strength of a filter element in the prior art are effectively solved.

The invention provides an automobile front suspension beam, which belongs to the technical field of automobiles. It solves the problems in the prior art that the front suspension beam is difficult to form and the effect of isolating engine vibration is low. The front suspension crossbeam of the automobile includes a crossbeam upper plate and a crossbeam lower plate. The crossbeam upper plate and the crossbeam lower plate are fixedly connected to each other to form a long hollow beam structure. The top surface of the crossbeam upper plate is fixedly connected with a suspension installation upper plate. The lower plate of the crossbeam is fixedly connected with the lower plate of the suspension installation supporting the upper plate of the suspension installation, and the upper plate of the suspension installation is fixedly connected with the lower plate of the suspension installation. The reinforcing sleeve arranged in the opposite direction is located under the upper plate of the suspension installation and is fixedly connected with the upper plate of the beam and the lower plate of the beam respectively. The invention can better isolate the vibration generated by the engine, improve the NVH performance of the automobile, and has the advantages of convenient manufacture.

The invention belongs to the technical field of boiler feedwater pumps, and in particular relates to a double-thrust ultra-high pressure boiler feedwater pump. The feature of the present invention is that: the thrust bearing assembly includes a housing, the housing is provided with an end cover corresponding to the right end of the pump shaft, the right end of the pump shaft is fixedly provided with a first thrust bearing disc, and the end cover is in line with the pump shaft. The electromagnet corresponding to the first thrust bearing disc; the second thrust bearing disc is arranged on the left side of the first thrust bearing disc on the pump shaft, and the thrust bearing is arranged on the right side of the second thrust bearing disc in the casing a seat; a thrust bearing block is arranged on the left side of the second thrust bearing plate in the casing; a sliding bearing matched with the pump shaft is arranged on the left side of the thrust bearing block in the casing. The invention has stable operation, long service life and convenient maintenance.

The invention provides a cantilever machining method and system. The method comprises the steps of acquiring the length of tube blanks and cantilever complete data, wherein the cantilever complete data comprises the number of cantilevers to be machined, the length of each cantilever to be machined and assembly information of each cantilever to be machined, and the assembly information comprises workpieces to be assembled and the position and angle of each workpiece; planning the cantilever tube cutting number and the cantilever tube cutting length of each tube blank, according to the length ofthe tube blanks, the number of the cantilevers to be machined and the length of each cantilever to be machined, and planning the assembly technological process of each cantilever tube according to the assembly information of each cantilever to be machined; generating control instructions to multiple execution mechanisms according to the planned cutting number, the planned cutting length and the planned assembly technological process; and controlling the corresponding execution mechanisms to cut the tube blanks according to the control instructions and controlling the corresponding execution mechanism to assemble the cantilever tubes obtained after cutting to obtain the cantilevers to be machined.

The invention discloses an automatic cutter for concrete aerated blocks. In the automatic cutter for concrete aerated blocks, a second baffle is rotatably arranged on the base to limit the position of the concrete aerated block. The second baffle is rotatably connected and located on the supporting surface. The arc-shaped slide rail, the second baffle locks or unlocks the arc-shaped slide rail through a telescopic knife, the slide bar is a door-shaped structure, and the slide bar is movably connected to a pair of rails to move controllably along the longitudinal direction of the base. The blade is liftably connected to the slide bar via the hydraulic rod, the blade is arranged horizontally above the base, the time relay is connected to the hydraulic rod, and the time relay controls the hydraulic rod to drive the blade to automatically cut the concrete aerated block based on the timing sequence. The concrete aerated block automatic cutter meets the cutting needs of aerated blocks in different environments, and reduces the problem of a large amount of cutting waste caused by inaccurate manual measurement and bevel cutting.

The invention discloses a dust removal method which is characterized in that a dust removal device is adopted, the dust removal device comprises a filter structure, the filter structure comprises a filter element, the filter element comprises filter tubes, and tube bodies of the filter tubes are formed by shaping metal or a sheet-shaped material taking metal as a matrix in a rolled manner and sealing and processing joints; the outer diameter of the tube bodies is only 20-200 mm, and the distance between every two adjacent filter tubes is 5-100 mm; the filtering wind speed is 0.8-2 m / min, and the temperature of gas to be filtered is less than or equal to 800 DEG C. Due to the adoption of a filtering structure with a larger filtering area, the filtering resistance is smaller, and the filtering wind speed is lower; the tube bodies made of the metal or the sheet-shaped material taking the metal as the matrix is adopted, so the filter element has the filtering resistance obviously smaller than that of a ceramic filter element, and can bear the filtering temperature far higher than that of a non-metal cloth bag. Therefore, compared with the prior art, the dust removal method solves the problems that a non-metal cloth bag is not resistant to high temperature and not high in precision, and the technical problem that the filtering resistance is large due to small filtering area is solved.

The invention discloses a filter element. The filter element is placed in a filter to be used for carrying out gas-solid separation filtration and / or liquid-solid separation filtration on an object tobe filtered when in use, the filter element is provided with a plurality of filter units, the plurality of filter units are arranged on the cross section of the filter element in a concentric circular ring and / or parallel straight line manner, and each filter unit comprises one or more filter tubes which are arranged at intervals, wherein tube bodies of the filter tubes are formed by shaping metal or a sheet-shaped material taking metal as a base body in a rolled manner and performing sealing processing on joints; and the outer diameter of the tube bodies formed by rolling is only 20 to 200 mm, preferably 20 to 90 mm, further preferably 20 to 60 mm, and further preferably 25 to 50 mm. A plurality of small-diameter filter tubes are bundled, so that the filtering area can be remarkably increased in a limited mounting space; the filtering area can be further increased by reasonably arranging the arrangement mode of the filter tubes. Therefore, the technical problem of small filtering area of the filter element in the prior art is effectively solved.