Laboratory test facility for the investigation of the heating system

 

(57) Abstract:



 

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Display stand // 2001445

FIELD: training tools and devices for the training process.

SUBSTANCE: the invention is dealt with the field of training tools and devices for the training process, in particular, with research of engineering and technology of the automated water supply systems, automatic control of a water supply system in a training process using engineering tools of the new information technologies of training. The multifunctional automated complex training-research laboratory consists of blocks connected in series and-or in parallel through intermediate tanks and devices of water-pump over and a water purification. The laboratory has a pumping plant of the first water rise connected by pressure conduits with chambers of switching with an intermediate tank of influent water, which through a pumping plant of the second water rise is interconnected with the technological apparatuses and blocks of the automated plant of the water purification including a block of clarification of water by settling, consisting of a chamber of a flocculation, a horizontal settler, a block of a reactant system, a block of a clarification of water in a suspension layer, including an air separator connected with a clarifier containing a suspended slurry bed, a block of a water clarification by filtration, that consists of a non-pressure fast and a pressure fast or ultra-speed filter with an intermediate tank of a clarified water, which through the pumping plant of the second water rise is connected to the apparatus of disinfection of water and is connected with an intermediate tank of purified water. The laboratory has an automated system of control over technological processes and a supervisory console with use of a PC and a symbolic circuit. The technical result is creation and implementation in the training-research process of the multifunction automated complex training-research laboratory operating in conditions of model engineering of real water supply systems.

EFFECT: the invention presents a created and introduced multifunction automated complex training-research laboratory operating in the real water supply systems.

18 cl, 7 dwg

Training method // 2255378

FIELD: teaching and training technologies.

SUBSTANCE: during training mock-up sand box is used as well as models of excavating, excavating-transporting and load-raising vehicles. Operation of vehicles is demonstrated with stops and routes of movement of vehicles models. For forming of earth constructions on the sand of sand box auxiliary measuring and building tools are used. As models of vehicles models of bulldozer, scraper, excavator, hoisting crane are used.

EFFECT: higher efficiency.

3 cl, 3 dwg

FIELD: engineering of training appliances utilized in training process during studies of mechanics, physics, theory of mechanisms.

SUBSTANCE: training device for demonstration of gearing by means of overhead projector contains body of transparent material in form of plates 1,2, driving disk 5, leading cog 7c with external teeth and following cog 8 with internal teeth, held on axis, and gear couple with external connection. Gear couple is mounted on lower plate 1 of body, one gear 14 of which is connected to following cog 8. leading cog 7 is mounted on driving disk 5, and following cog 8 - with possible free rotation on upper plate of body by means of additional disk 9 and axis 11.

EFFECT: expanded demonstrational capabilities of device, unification of devices, demonstrating types of gearings, decreased device dimensions, increased legibility of image on screen and improved efficiency of device utilization during training process.

1 dwg

FIELD: training facilities.

SUBSTANCE: trainer allows modeling real conditions of doing adjusting works of valve mechanism, which skills are necessary for preparing specialists who repair and maintain the internal combustion engines. Trainer for forming skills of doing adjusting works of internal combustion engine's valve mechanism has table, rattle head with rotating tip, support plate, arm-pieces on support plane. Rotation transmitted from handle of drive of main shaft, disposed inside table in supports of rotation, is passed through drive gear to distribution shaft, disposed inside table in supports of rotation. Head of arm-pieces in assembly is attached to top part of support plate by means of arm-pieces. Axes of pushers are fastened to lower part of support plate onto arm-pieces. Support plate is fastened to table for rotation and fixation. Axis of rotation of rotary plate is shifted relatively axis of pushers. Re-adjustment of space in valve mechanism is provided.

EFFECT: reduced time for re-adjustment.

FIELD: mechanical engineering; trainers.

SUBSTANCE: invention relates to training devices which can provide real conditions of crankshaft laying required for training servicemen for repair and operation of internal combustion engines. Proposed trainer for forming skills of crankshaft laying in internal combustion engine contains table, ratchet head with rotating end piece, support plate and brackets on support plate. Beads of main bearings of cylinder block are connected by channels and high pressure hoses with hydraulic plant. Pressure and temperature of working liquid in hydraulic system are read by pressure and temperature gauges.

EFFECT: possibility to create real conditions for selection of shells for main bearings, laying of crankshaft and reduction of time taken for fitting operations in process of repair of crank gear.

3 dwg

FIELD: physics.

SUBSTANCE: laboratory bench designed as standalone installation includes air-ejector mounted inside of rectangular box with counter swirl air flow apparatus attached on its cover plate. Downflow swirler in body cavity is provided with plain washer attached below tangential branch pipe. Upflow swirler is made of identical thin-walled bent tubes with lower ends rigidly clamped in line to each other through inside perimeter of half-length telescopic pipe moving over external diameter of coaxial branch pipe. Upper ends of the bent tubes protruding from the telescopic pipe are deflected from its axis and are bent towards clockwise rotation at the same time. Along the telescopic pipe axis, there is a moving axial pipe provided with injection nozzle from the side of working chamber. The pipe is provided in the axial bore between lower ends of the bent tubes, while its lower end is moving within bottom-most portion of the coaxial branch pipe and supplied with the fluid valve at its end by. External surface of the telescopic tube close to its upper end face contains removable plain washer radially split to petals with angular edges bent towards storage hopper cavity. Slide gates with in-built internal cavity provided with square-sectioned channel and casing external surface provided with linear metric scales are attached to inlet end faces of downflow and upflow branch pipes. Linear metric scales relate to moving flat latching plates with datum planes relative to linear scales.

EFFECT: higher level position stability and stable rotation of toroidal product blanket, reduced back leakage of dust from under the dividing washer, ensured lower hydrodynamic resistance in upflow swirler and in apparatus as a whole, prevented dust adhering in stagnant air within acute angle between bottom-most portion of storage hopper and upflow branch pipe.

16 cl, 17 dwg

FIELD: mining.

SUBSTANCE: invention refers to test benches for experimental investigations in laboratories. The test bench for investigation of parameters of the chain gate for ore chute consists of the section of a vertical oriented tube secured on a frame; a circular guide of angular profile in cross section with vertical and horizontal flanges is fastened on the lower cut of the said tube; the bench also consists of a ring designed to turn in a horizontal plane relative to the guide and equipped with welded round-link chains arranged along the perimeter of the ring at uniform spacing. Lower ends of chains are secured to another ring, which can turn in a horizontal plane and can be set off in a vertical plane. Alternating between them rollers are installed on the upper ring along its perimeter; the rollers are designed to rotate around horizontal and vertical axes and also the rollers interact correspondingly with horizontal and vertical flanges of the circular guide. Further the rollers are assembled on the lower ring along the perimeter of the ring with uniform distance between them and on vertical axes; these rollers are designed to interact with interior cylinder surface of the case secured on a frame; also on the lower ring there are assembled two additional diametrically set rollers on removable horizontal axes, the said rollers interact with vertical oriented guides of double-T profile in cross section pivotally hanged to the frame with their upper ends and able to turn in the plane passing through the axes of the additional rollers sideways from the lower ring; the said guides can be fixed in turned position relative to the frame. In upper and lower rings in grooves of sections of flexible elements there are secured rims; flexible elements envelope the rims at an angle close to 360 degrees. One end of each flexible element is fastened on the rim, while another is equipped with a dynamometer and kinematically connected with a drive. The upper ring is equipped with a catch device, which fixes the upper ring relative to the circular guide. The cylinder case has a vertical slit wherein the branch of the flexible element running from the lower ring is located. A round plate is placed in the interior cavity of the tube section with a gap in a horizontal plane; alternative loads can be arranged on the plate; also this plate interacts with samples of ore located in the interior cavity of the tube section. By means of the flexible element, the length of which is equal to the height of the tube section, the plate is kinematically tied with the frame, where points of flexible element fixture to the frame are arranged along the symmetry axis of the section of the tube. A container with a slide gate in its upper part is installed under the lower ring on the frame; the samples of ore can be received and placed in the container.

EFFECT: invention facilitates laboratory assessment of strength and kinematic characteristics of chain gate for ore chute for conditions of ore lumps chute with various versions of turn ring position: upper and lower one.

2 cl, 1 dwg

FIELD: testing equipment.

SUBSTANCE: invention is related to benches for execution of experimental research in laboratory conditions. Device comprises section of vertically oriented pipe fixed on frame, lower cut of which has fixed circular guide with angle profile in cross section with vertical and horizontal shelves. There is upper ring arranged on horizontal shelf with the possibility of rotation in horizontal plane versus this guide. Ring is equipped with identical welded round-link chains attached along its perimetre, lower ends of which are fixed on another lower ring with the possibility of its rotation in horizontal plane and displacement in vertical plane. On upper ring along its perimetre there are alternating rollers installed with the possibility of their rotation in horizontal and vertical axes and with the possibility of rollers interaction accordingly with horizontal and vertical shelves of circular guide. On lower ring along its perimetre with identical pitch there are rollers arranged in vertical axes with the possibility of their interaction with internal cylindrical surface of jacket fixed on frame, as well as two additional diametrically installed rollers on detachable horizontal axes with the possibility of their interaction with vertically oriented guides of I-section in cross section. Guides are hingedly suspended to frame by their upper ends with the possibility of their rotation in plane passing through axes of additional rollers, to the sides from lower ring and fixation of these guides in turned position versus frame. On upper and lower rings there are rims attached with the possibility to install sections of flexible elements in their chutes and with rims enclosure by flexible elements at the angle close to 360 degrees. At the same time one end of each flexible element is fixed on rim, and the second one is equipped with dynamometre and is kinematically joined to drive. ,. Upper ring is equipped with stop accessory, having possibility to fix upper ring versus circular guide. Cylindrical jacket is arranged with vertical slot cut with the possibility to arrange branch of flexible element coming off lower ring. At least on three round-link chains in area of their fixation to upper ring there are detectors installed, which register value of longitudinal load over round-link chains, and round-link chains with detectors are arranged along perimetre of upper ring at the same distance from each other. In internal cavity of pipe section there is round plate arranged with gap in horizontal plane with the possibility of replaceable weights location on it and interaction with ore sample placed inside internal section of pipe section. Plate, with the help of flexible element, length of which is equal to height of pipe section, is kinematically connected to frame as point of flexible element attachment to frame is allocated along axis of pipe section symmetry. Under lower ring there is container installed on frame with gate valve placed in its upper part with the possibility of ore pass reception and arrangement in container.

EFFECT: provision of possibility in laboratory conditions to detect power and kinematic characteristics of chain gate for ore pass for conditions of bulk ore outlet from ore pass with versions of rotary ring location - upper or lower ones.

4 cl, 6 dwg

FIELD: testing equipment.

SUBSTANCE: invention is related to benches for execution of experimental research in laboratory conditions. Device comprises section of vertically oriented pipe fixed on frame, lower cut of which has fixed circular guide with angle profile in cross section with vertical and horizontal shelves. There is upper ring arranged on horizontal shelf with the possibility of rotation in horizontal plane versus this guide. Ring is equipped with identical welded round-link chains attached along its perimetre, lower ends of which are fixed on another lower ring with the possibility of its rotation in horizontal plane and displacement in vertical plane. On upper ring along its perimetre there are alternating rollers installed with the possibility of their rotation in horizontal and vertical axes and with the possibility of rollers interaction accordingly with horizontal and vertical shelves of circular guide. Fixation of lower ends in round-link chains is provided due to their fixation in lower ring with the help of radially oriented rods on its internal surface with the possibility of their location inside links of round-link chains. Length of rods protruding parts is equal to width of round-link chains links. Concentrically versus lower ring there is additional internal ring arranged with the possibility of location between it and lower ring of round-link chains. In openings of additional internal ring there are two pairs of rods arranged diametrically at the right angle to each other with increased length and helical thread at their ends and packing nut with the possibility of its rest against internal ring. Internal ring is made of elastic material and is arranged as split with the possibility of its detachment from rods with helical thread after packing nuts screwing off them. Length of round-link chains is selected so that it is possible to move lower ring up and down along them and fix it in required position, setting distances between upper and lower rings. On lower ring along its perimetre with identical pitch on vertical axes, rollers are installed with the possibility of their interaction with internal cylindrical surface of jacket fixed on frame, as well as two additional diametrically installed rollers on detachable horizontal axes with the possibility of their interaction with vertically oriented guides of I-section in cross section. Guides are hingedly suspended to frame by their upper ends with the possibility of their rotation in plane passing through axes of additional rollers, to the sides from lower ring and fixation of these guides in turned position versus frame. On upper and lower rings there are rims attached with the possibility to install sections of flexible elements in their chutes and with rims enclosure by flexible elements at the angle close to 360 degrees. At the same time one end of each flexible element is fixed on rim, and the second one is equipped with dynamometre and is kinematically joined to drive. Upper ring is equipped with stop accessory, having possibility to fix upper ring versus circular guide. Cylindrical jacket is arranged with vertical slot cut with the possibility to arrange branch of flexible element coming off lower ring. In internal cavity of pipe section there is round plate arranged with gap in horizontal plane with the possibility of replaceable weights location on it and interaction with ore sample placed inside internal section of pipe section. Plate, with the help of flexible element, length of which is equal to height of pipe section, is kinematically connected to frame as point of flexible element attachment to frame is allocated along axis of pipe section symmetry. Under lower ring there is container installed on frame with gate valve placed in its upper part with the possibility of ore pass reception and arrangement in container.

EFFECT: provision of possibility in laboratory conditions to detect power and kinematic characteristics of chain gate for ore pass for conditions of bulk ore outlet from ore pass with versions of rotary ring location - upper or lower ones.

5 dwg

FIELD: blasting.

SUBSTANCE: bench comprises a high pressure chamber closed with a cover on top and a metering complex. A ball valve is mounted into a cover, which connects the high pressure chamber with a blasthole imitator installed on the cover and made in the form of a pipe with notches in the lower part. Notches imitate cracks in rock. Slots in the upper part of the pipe imitate damaged rock massif. The metering complex comprises sensors of pressure and a electrometric sensor of shift value.

EFFECT: modelling of blasting products influence at blasthole tamping.

1 dwg

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