38results about How to "Meet deformation" patented technology

The invention relates to a novel device for marking IC crystal, in particular to a full-automatic crystal back marking machine, which uses a mechanical hand to take out crystal from a material feeding box to be sent to a crystal direction checker, a crystal marking platform or the like, to be marked and checked to be taken off by a mechanical hand to be put into a material outputting box. The invention is composed of a front area and a back area, wherein the front area is arranged with an electric controller and a PC, a baffle plate is arranged between the front and back areas, the baffle plate is arranged with a gate entrance, the outer side of the front area is arranged with a material feeding box and a material discharging device, the front area is arranged with a mechanical hand and a crystal direction checker inside, the back area is arranged with a crystal marking platform inside, the marking platform is respectively arranged with a before-marking checker and an after-marking checker above and under.

The invention discloses a light and heat insulation roof plate or floor slab, relates to a construction of a light and heat insulation roof plate or floor slab, and solves the problems of a small application span of a light heat insulation board and the like. The insulation roof or floor slab can be formed through the following steps: I, insulating layers in positions of slits of prefabricated light heat insulation boards are bonded mutually, the prefabricated light heat insulation boards are connected into a whole by using anti-pulling nets or / and rebars, the anti-pulling nets or / and the rebars are hogging moment rebars used in a position of a support for assembling the integral light and heat insulation roof board or floor slab, and the integral light and heat insulation roof board or floor slab assembled by continuous slabs is formed. II, dies are erected on site for assembling the light and heat insulation roof plate or floor slab, lower rebars or lower anti-pulling nets are assembled, upper rebars or upper anti-pulling nets are assembled, the rebars and the anti-pulling nets are located in an upper protection layer and a lower protection layer, a heat insulation layer is arranged between the upper protection layer and the lower protection layer, and the light and heat insulation roof board or floor slab assembled by the continuous slabs and mounted by the erected dies on site is formed on sites. The light and heat insulation roof plate or floor slab is light in weight, and a large-span floor or roof can be formed.

The invention discloses a water suspension tunnel connector. The water suspension tunnel connector comprises two pipe sections in butt joint. Connector space is formed between the two pipe sections. The two pipe sections are connected through a damping structure and a sealing structure. The damping structure comprises a connecting sleeve arranged outside the two adjacent pipe sections in a sleeving manner, radial prestress inhaul cables connecting the two ends of the connecting sleeve with the two pipe sections, axial prestress inhaul cables located in the two pipe sections and coaxially arranged, and a tensioning device located between the two pipe sections and used for pulling the coaxial axial prestress inhaul cables. Compared with a traditional immersed tunnel connector, the water suspension tunnel connector is provided with the axial prestress inhaul cables and the radial prestress inhaul cables, vibration and deformation generated by the water suspension tunnel connector in the complex ocean environment can be avoided, and it is guaranteed that a GINA rubber water stop band cannot leak due to dislocation.

The invention discloses active deformation honeycomb structure skin based on a pneumatic muscle, belongs to the field of deformation aircrafts, and aims to solve the problem of poor deformation performance of the conventional skin structure. The active deformation honeycomb structure skin based on the pneumatic muscle comprises a silicon rubber material, the pneumatic muscle, a spring and a zero-Poisson-ratio honeycomb structure, wherein the outer surface of the pneumatic muscle is sleeved with the spring; the pneumatic muscle sleeved with the spring is inserted into the zero-Poisson-ratio honeycomb structure; the pneumatic muscle passes through a rib piece of each honeycomb unit in the zero-Poisson-ratio honeycomb structure; two ends of pneumatic muscle are fixedly arranged on boundary rib pieces of the zero-Poisson-ratio honeycomb structure respectively; the silicon rubber material is attached to the surface of the zero-Poisson-ratio honeycomb structure to serve as a skin material. The active deformation honeycomb structure skin based on the pneumatic muscle disclosed by the invention has the advantages of high carrying capability along a vertical direction, large deformation being up to 30 to 40 percent in a deformation direction, coordinated deformation of a honeycomb and the pneumatic muscle, and easiness in control.

The invention relates to a support method for an extra-thick broken coal seam employing nest anchored ropes. The invention assists in solving a problem of lack of the support reinforcing method for an extra-thick broken coal seam tunnel. According to the invention, integrated combined support of anchor poles, nest anchored ropes, W steel bands and metal meshes is realized by utilizing preferable support parameters and adopting nest anchored ropes which are specially designed; a deformation degree of the super high breaking coal seam tunnel is substantially reduced; requirements for super high breaking coal seam roadway support are satisfied; safety of the super high breaking coal seam roadway is ensured; and production is guaranteed.

The invention discloses a cast steel and making method, which comprises the following parts: 0.18-0.22% C, 0.30-0.60% Si, 0.90-1.25% Mn, 0.48-0.55% Ni, 0.10-0.25% Cr, not more than 0.10% Mo, not more than 0.040% P, not more than 0.040% S and Fe (0.42-0.48% C). The making method comprises the following steps: 1. allocating; 2. fusing; 3. casting; 4. normalizing. The invention possesses high-strength and high-extending rate, which is fit for casting steel case.

The invention relates to an insulation structure of a friction disc and an equipment body in a current-carrying friction wear testing machine. The friction disc is fixedly assembled at the external end of a transmission shaft; the transmission shaft is rotatablely assembled on the equipment body; a disconnecting surface is arranged on the transmission shaft of the exposed section at the internal side of the fixed assembly position with the friction disc; the disconnecting surface divides the transmission shaft into a left transmission shaft body section, a right transmission shaft body section and an end section; the left transmission shaft section and the right transmission shaft section have the same axis line and are fixed into a whole; electric insulated coating is coated on the disconnecting surface of at least one side. The insulated coating generally has thin thickness, light weight, large hardness, good rigidity and is not easy to deform when bearing the pressure; as the insulation type between the testing part and the machine body of a current-carrying testing machine, the insulation structure of the invention meets the insulation performance requirement at the high speed, improves the rotation precision and ensures the dynamic balance during the high-speed rotation process simultaneously, avoids the infidelity of the test results and correctly reflects the performance of the test objects.

The invention provides a steam exhausting cylinder of an axially-exhausting steam turbine unit and relates to an exhausting cylinder of a steam turbine unit. The invention aims to solve the problems that a steam exhausting cylinder workshop of a steam turbine unit has high construction cost and the steam exhausting energy is lost when the steam exhausting energy of a radially-exhausting steam turbine unit enters an external condenser from the steam exhausting cylinder. The exhausting cylinder comprises a bearing box assembly and further comprises a water spray mechanism, a smoke discharge mechanism, a shell of the steam exhausting cylinder, an oil path mechanism, a steam-exhausting, flow guide and diffusion mechanism and a steam sealing body of the steam exhausting cylinder, wherein the steam-exhausting, flow guide and diffusion mechanism comprises a second flange, a flow guide cover and two semi-conical diffusion guide flow cylinders; the steam sealing body of the steam exhausting cylinder comprises a steam sealing shell, a high-pressure steam inlet pipe, a micro-negative-pressure steam suction pipe, two first fixing plates and two second fixing plates; and the bearing box assembly comprises a bearing pedestal mounted with a bearing, a bearing box body, a sixth flange and a bearing box protective cover. The steam exhausting cylinder is applied to the steam turbine unit.

The invention provides a swirl side suction oil pump, including a suction oil pump, which is characterized in that the lower end of the suction oil pump is connected with a swirl separation cylinder, and the lower end of the swirl separation cylinder is connected with a sand settling cylinder, and the swirl separation cylinder It includes an outer cylinder and an inner cylinder. The upper and lower sides of the outer cylinder are respectively connected with the suction oil pump and the sand chamber. An annular flow channel and an oil chamber are formed in the circumferential direction and above, and a tangential oil inlet hole connected to the lower inner cavity of the inner cylinder is opened under the outer cylinder. A one-way ball valve is installed in the inner cavity of the inner cylinder. The side wall of the inner cylinder above the ball valve is provided with a lateral oil outlet hole communicating with the annular flow channel. Break through the existing direct pumping method, enter the liquid from the side of the pump body, use rotary pumping, use the principle of centrifugal force to separate the sand and oil, and prevent the sand-containing liquid from directly entering the piston and the floating valve, causing the piston to be stuck and the valve to be fixed Blockage, puncture of fixed valve ball seat, etc. occur frequently.

The invention provides a high performance three-strand polyethylene rope for net cages or fishing gears, which relates to a rope material for fishing needing to improve the tenacity property of the rope. In the rope, high-strength polyethylene monofilaments are used; the rope is characterized in that the rope strand diameter is determined according to the rope diameter and the strand forming empirical coefficient, and the strand forming empirical coefficient is between 0.472 and 0.495; the number of monofilaments for rope yarn forming is determined according to the number of spinneret holes and the empirical coefficient of the spinneret holes; the number of yarns for rope strand are determined according to the combination of the diameter of rope yarns and the empirical coefficient of the yarns for the rope strand, and the empirical coefficient of the yarns for the rope strand is between 0.935 and 0.990; the ratio of the rope twist coefficient to the strand twist coefficient is 1.12, and the rope twist coefficient is between 2.6 and 2.9; and the high-strength fishing polyethylene monofilaments are twisted into the rope yarns along the Z direction, 1 to 20 strands of Z-direction rope yarns are twisted into a rope core along the S direction, the rope yarns with certain quantity and one rope core are additionally twisted into the rope strand along the S direction, and at last three strands of rope strands are twisted into the high performance three-strand polyethylene rope for the net cages or the fishing gears along the Z direction. The rope is applied to the net cages or the fishing gears.

The invention discloses a macromolecular elastomer expansion joint, which comprises a fixed area, an expansion deformation area, bolt holes, deformation holes and bolts, wherein the macromolecular elastomer expansion joint is arranged on a concrete pavement through the bolts, and is flush with a pavement layer; the bolt holes are formed in the fixed area; the deformation holes are formed in the expansion deformation area. The macromolecular elastomer expansion joint has the advantages of lightweight, strong strength, corrosion resistance, free expansion, smoothness and no jump or noise during the running of a vehicle, easiness in mounting and the like, and is applied between two beam ends and between the beam ends and bridge abutments or to the hinging positions of bridges, and the deformation requirements of expansion, torsion, bending and the like of the bridges can be met.

The invention relates to a multifunctional biomechanics energy harvesting textile and a preparation method and application thereof. The method includes the steps that multi-stage spiral yarn is prepared through stranding and twisting, conductive yarn is inserted into a rubber tube, the rubber tube is stretched to prepare frictional electricity yarn, and with the multi-stage spiral yarn being warpyarn and the frictional electricity yarn being weft yarn, the energy harvesting textile is prepared through plain weave. The energy harvesting textile has good stretchability and hydrophobicity, can supply power to electronic equipment and can be also used as an energy source and a sensor of a self-powered wireless monitoring system.

The invention discloses a six-direction deflection comb plate retractor device. The six-direction deflection comb plate retractor device is characterized in that five-direction deflection support sets are fixedly arranged at the rear end of a movable comb plate, the bottom face of the front end of the movable comb plate is provided with sliding grooves and steel pins, and the five-direction deflection support sets are two elastic support bodies which are arranged on an anchor plate and both consist of teflon plate rubber bases, steel channels and teflon sliding plates; the steel channels are provided with axial sliding grooves, and the two steel channels are buckled on the anchor plate and welded with the anchor plate. Compared with the prior art, the six-direction deflection comb plate retractor device has the three-dimensional deformation functions of planar rotation, vertical rotation and transverse displacement, various deformation requirements during everyday operation can be met, and the requirement for longitudinal and transverse extremely-large displacement deformation generated by bridges during an earthquake can be met as well. The device is simple in structure, convenient to construct and mount, high in shock absorption capacity, low in noise and particularly suitable for high-grade highway bridges, viaduct bridges and extremely-long flexible bridges.

The invention provides a high-altitude cabin and exhaust diffuser connecting and positioning structure and high-altitude simulation test equipment, and belongs to the technical field of aero-engine high-altitude simulation test equipment.The high-altitude cabin and exhaust diffuser connecting and positioning structure specifically comprises a center positioning movable part, a flexible part and a water supply part, and the water supply part is of a cylindrical structure and is located between a high-altitude cabin and an exhaust diffuser; the central positioning movable part and the flexible part are positioned on the periphery of the water supply part; the center positioning component comprises a sliding block and a sliding groove which are in relative sliding connection, the sliding block is connected with the inner wall of the high-altitude cabin, and the sliding groove is connected with an outer barrel, close to one end of the high-altitude cabin, of the water supply component. The flexible part is arranged on the outer barrel of the water supply part in a sleeving mode and located on the rear side of the center positioning component in the gas inlet direction, and the front end of the flexible part is connected with a port of the high-altitude cabin. Through the treatment scheme, the gas flow field uniformity and connection stability of the high altitude cabin and the exhaust diffuser are improved, and the use performance of equipment is effectively guaranteed.

The invention discloses a split type cylinder seat for a refrigerator compressor. The split type cylinder seat comprises a body, wherein a rotating shaft mounting hole and a cylinder mounting hole are arranged on the body, and a rotating shaft sleeve and a cylinder sleeve are nested in the rotating shat mounting hole and the cylinder mounting hole respectively. The rotating shaft sleeve and the cylinder sleeve are independently arranged in positions where material loss happens easily, so that the body can be made of any material including aluminum alloy, which is light in weight, low in price and non-wear-resistant; and the split type design of the cylinder seat avoids the problem of the expensive material cost of integral casting in the past, reduces the production cost in general and further meet the technical requirements that the cylinder hole and the rotating shaft hole need to be wear resistant and hardly deform. The structure of the split type cylinder seat is simple and reliable, the positioning of a hole shaft is precise, the production and the processing are easy, the production cost is low and the split type cylinder seat is suitable for being used as an accessory of the refrigerator compressor.

The invention discloses a feed for metal-powder injection molding and a preparation method of the feed. The feed consists of a forming agent and 316L stainless steel feed powder, wherein the mass ratio of the forming agent to the 316L stainless steel feed powder is 96:4-90:10; the 316L stainless steel feed powder comprises, by mass, 90%-99% of 316L stainless steel powder and 1%-10% of chromium carbide powder; and the forming agent comprises, by mass, 5%-10% of paraffin, 5%-10% of ethylene-acrylic acid copolymer, 5%-10% of polyethylene, 5%-10% of polyethylene glycol and 75%-80% of polyoxymethylene. If the feed is used in the MIM process as a feed of the MIM process, the feed can be processed to produce structural-member products required by various 3C electronic devices. Besides, the feed has a product performance of high hardness and quality.

The invention relates to the technical field of construction of penetration pieces in a nuclear power station and particularly discloses an adjustable tool for a large-scale penetration piece in a nuclear power station and an adjusting method. The adjustable tool is characterized in that a plurality of door type plates are arranged on lining bracket beams in the adjustable tool; a hole is formed in a top plate of each door type plate, and an adjustable bolt is arranged on the top plate and is adjusted according to the shape of the inner wall of the penetration piece to realize multi-point contact of the adjustable bolt and the inner wall of the penetration piece; the rows of lining bracket beams comprising the door type plates and the adjustable bolts are fixedly mounted on lining main beams and are wholly placed on supporting pillars, the lining main beams are fixedly arranged on top plates of the supporting pillars through limiting pieces. The tool can be used for hoisting the penetration piece and can effectively reduce the deformation of the penetration piece in the hoisting and mounting construction. The adjustable tool is convenient to assemble and disassemble, can be recycled, is particularly suitable for the construction of the large-scale penetration piece on a towering wall in the nuclear power station with multiple units, and also can be used for modular installation construction of the penetration piece.

The invention relates to an elevation difference type seismic isolation structure of a building and a surrounding site of the building in the field of construction engineering. According to the technical scheme, the elevation difference type seismic isolation structure includes a seismic isolation joint, and a first civil engineering component and a second civil engineering component which are located on both sides of the seismic isolation joint, the first civil engineering component overhangs a first bridging piece in the direction of the seismic isolation joint in a cantilevered mode, spans the seismic isolation joint, and is placed on the upper part of the second civil engineering component, and the width of the first bridging piece satisfies the maximum deformation width covering the seismic isolation joint; and a gap is left between the first bridging piece and the second civil engineering component, and the gap is filled with a flexible material. According to the elevation difference type seismic isolation structure, the safety of the seismic isolation joint of the building and the surrounding site of the building is fully ensured, various complex working conditions are adapted, the usual normal use function of the building and the surrounding site of the building is met, normal use of the building and the surrounding site of the building and quick maintenance after the earthquake can still be ensured when the larger earthquake occurs within the design intensity range, and meanwhile, the advantages of universality and standardization are achieved.

The invention discloses microcapsule vitrified fireproof paint and a preparation technology thereof. According to the paint, fire retardants are microencapsulated and externally wrapped with a vitrified outer layer, a ceramic shell is formed at high temperature, and fire separation is performed by the aid of an internal foaming structure. High-temperature foaming is performed by foaming agents, sothat a cavity is formed between the paint and a substrate, and heat conduction is decreased. The fireproof paint is characterized by comprising base materials and fillers, wherein the base materialsinclude, by weight, 60-80 parts of epoxy resin, 60-80 parts of glass fiber modified epoxy resin, 20-30 parts of microencapsulated fire retardants and 10-15 parts of foaming agents.

The invention discloses a beam pi-type track beam applied to a large span high-speed maglev line. The beam pi-type track beam applied to the large span high-speed maglev line mainly comprises an upper layer pi-type track beam, a lower layer load bearing box girder and an adjustable support. A beam single-line track can be adopted, and a beam multi-line track can also be adopted. According to the beam pi-type track beam applied to the large span high-speed maglev line, enough rigidity can be provided, vibration can be effectively controlled, bridge deformation caused by a maglev vehicle running at a high speed is reduced, a large-span structure can be provided, and the demand of crossing over mountains, rivers and lakes is satisfied. The beam pi-type track beam applied to the large span high-speed maglev line has the advantages of reasonable structure, clear force transmission, novel design, material conservation, high mounting accuracy, small vibration deformation, large span and high navigation capacity.

The invention discloses a construction method of a multi-arch-shaped closed structure. The multi-arch-shaped closed structure comprises at least two side-by-side arch-shaped structures and further comprises a density increasing area. Main construction steps are as follows: area dividing and bin dividing are performed according to the position of a designed transverse construction seam; a top crossing plate is selected as reference, manufacturing into a flat-plate-shaped test piece to perform a field test is performed, the concrete matching ratio is adjusted and optimized, test matching is performed, and the matching ratio of pouring concrete is obtained; and self-compact concrete is selected for concrete in the density increasing area, the concrete matching ratio is adjusted and optimized,and test matching is performed. According to the construction method, due to application of a recurrence assembly line construction method, the construction period can be greatly shortened; due to layered pouring on an arch-shaped top plate and a bottom plate in the pouring process, construction vibrating and assembly line construction are facilitated; and the self-compact concrete is adopted inthe density increasing area, selection is performed through a matching ratio scheme, an effect of compactness can be achieved when concrete pouring is performed in the rebar density increasing area, and the strength needed by the structure is achieved.

The invention discloses a compressive and uplift test device for a reinforced concrete pile, which adopts a jack for applying vertical pressure and a jack for applying vertical uplift force, and is characterized in that the jack for applying vertical pressure is fixed at the upper end of a test pile to be tested; a first steel beam spaced from the upper end of the vertical pressure applying jack is arranged at the upper end of the vertical pressure applying jack, a second cross beam is arranged at the upper end of the first steel beam, and the vertical upward pulling force applying jack is fixed to the upper end of the steel beam. The upper end of the vertical upward pulling force applying jack is provided with a third steel beam which is arranged at an interval with the upper end of the vertical upward pulling force applying jack, the upper end of the third steel beam is provided with an anchor pulling plate, the anchor pulling plate is connected with the to-be-tested test pile through an anchor bar, and the vertical pressure applying jack and the vertical upward pulling force applying jack are used for achieving compression resistance and pulling resistance respectively. The device has the advantages of simple structure, capability of realizing compression resistance and pull-out test, and great simplification of experimental equipment.

The invention discloses a cross-supporting spiral popliteal artery stent, which comprises support rings and connecting rods, the support rings and the connecting rods are alternately connected, and the two ends of the stent are support rings. Among them, the support ring includes a clockwise helix and a counterclockwise helix, and multiple clockwise helixes and multiple counterclockwise helixes are arranged at equal intervals on a virtual cylindrical surface with a radius R, and multiple clockwise helixes and multiple The counterclockwise helical lines intersect; the connecting rod includes a right-handed helical line, and a plurality of right-handed helical lines are arranged at equal intervals on the cylindrical surface, and a plurality of right-handed helical lines are connected with multiple intersection points on the circumference of the bottom surface of the support ring; the support ring is connected with the The rod has a winding height ratio of 1 or less. The cross-supported helical popliteal artery stent has excellent flexibility, sufficient adaptability to axial compression, sufficient torsion capacity, and sufficient radial support force. The stent provides support for blood vessels and is not prone to radial compression under load.

The invention relates to a multifunctional biomechanical energy collection textile, a preparation method and application thereof. The method includes: preparing multi-stage spiral yarns by plying and twisting, inserting conductive yarns into rubber tubes, stretching the rubber tubes to prepare triboelectric yarns, using multi-stage spiral yarns as warp yarns, and triboelectric yarns as weft yarns , Fabrication of Energy Harvesting Textiles by Plain Weaving. The energy-harvesting textile has good stretchability and hydrophobicity, which can be used to power electronic devices, and can also be used as an energy source and sensor for a self-powered wireless monitoring system.

The invention provides a steam exhausting cylinder of an axially-exhausting steam turbine unit and relates to an exhausting cylinder of a steam turbine unit. The invention aims to solve the problems that a steam exhausting cylinder workshop of a steam turbine unit has high construction cost and the steam exhausting energy is lost when the steam exhausting energy of a radially-exhausting steam turbine unit enters an external condenser from the steam exhausting cylinder. The exhausting cylinder comprises a bearing box assembly and further comprises a water spray mechanism, a smoke discharge mechanism, a shell of the steam exhausting cylinder, an oil path mechanism, a steam-exhausting, flow guide and diffusion mechanism and a steam sealing body of the steam exhausting cylinder, wherein the steam-exhausting, flow guide and diffusion mechanism comprises a second flange, a flow guide cover and two semi-conical diffusion guide flow cylinders; the steam sealing body of the steam exhausting cylinder comprises a steam sealing shell, a high-pressure steam inlet pipe, a micro-negative-pressure steam suction pipe, two first fixing plates and two second fixing plates; and the bearing box assembly comprises a bearing pedestal mounted with a bearing, a bearing box body, a sixth flange and a bearing box protective cover. The steam exhausting cylinder is applied to the steam turbine unit.

The invention discloses a six-direction deflection comb plate retractor device. The six-direction deflection comb plate retractor device is characterized in that five-direction deflection support sets are fixedly arranged at the rear end of a movable comb plate, the bottom face of the front end of the movable comb plate is provided with sliding grooves and steel pins, and the five-direction deflection support sets are two elastic support bodies which are arranged on an anchor plate and both consist of teflon plate rubber bases, steel channels and teflon sliding plates; the steel channels are provided with axial sliding grooves, and the two steel channels are buckled on the anchor plate and welded with the anchor plate. Compared with the prior art, the six-direction deflection comb plate retractor device has the three-dimensional deformation functions of planar rotation, vertical rotation and transverse displacement, various deformation requirements during everyday operation can be met, and the requirement for longitudinal and transverse extremely-large displacement deformation generated by bridges during an earthquake can be met as well. The device is simple in structure, convenient to construct and mount, high in shock absorption capacity, low in noise and particularly suitable for high-grade highway bridges, viaduct bridges and extremely-long flexible bridges.

The invention relates to a side panel of an automobile seat and a manufacturing method thereof. A method for manufacture a side panel of an automobile seat includes a side plate body and a fixing plate, A side panel body is provided with a first folded edge bent downward, At that edge of the fix plate, a second folding edge bent upward is arrange, the fixing plate is positioned at the lower side of one end of the side plate body, the second folding edge of the fix plate is welded to the first folding edge of the side plate body, and the first folding edge is not welded with the fixing plate, and a flanging edge which is folded inwardly is arranged on the first folding edge. As that automobile seat side connecte plate of the invention has high strength and is not easy to deform, the stressof the deformed part of the automobile seat side connecte plate is made to reach the yield limit by punching the sheet metal for many times, and the strength requirement is met; the automobile seat side connecte plate of the automobile seat side connecting plate has high strength and is difficult to deform. By analyzing the temperature change during welding and changing welding sequence and processing conditions, the concentration of welding stress is weakened, the continuity of welding is ensured and deformation is prevented, and the dimensional accuracy is ensured to meet the requirements ofsubsequent assembly.

A kind of bamboo-wood composite material, including Nanzhu, the bamboo material is processed into fine-standard bamboo slices with equal thickness at both ends, and the fine-marked bamboo slices are woven into bamboo curtains with thin strings; the bamboo curtains are dried, and the moisture content is less than 12%. Carry out press-in gluing; dry the wood chips after rotary cutting to make the moisture content less than 12%, and roll the glue; assemble the bamboo curtains after gluing and the wood chips after gluing at intervals, pre-press and hot press Forming to form a composite plate. When making a special-purpose composite plate blank, special materials are added. The press-in glue application device includes a pressure glue tank, and a bamboo curtain stacking frame is placed in the pressure glue tank. There is a glue pool in the lower part of the glue tank, and the glue pool has a rubber inlet pipe to pressurize the glue tank through a glue pump. The bamboo-wood composite material of the present invention is mainly used in various construction markets and furniture markets, including replacing large core boards and can be used for various types of houses and family decoration. Packaging materials can also be used for wood materials required for transportation tools, etc.

The invention provides a water-cooling oil-free scroll compressor. The water-cooling oil-free scroll compressor comprises a static scroll plate and a dynamic scroll plate which are matched with each other, wherein a through hole facing the dynamic scroll plate is formed in a scroll tooth of the static scroll plate; a water inlet is formed in the static scroll plate, and a water-cooling area is arranged on the back of the scroll plate; water in the water-cooling area is guided to a contact part of the static scroll plate and the dynamic scroll plate through the through hole formed in the scrolltooth; an exhaust pipe is arranged on the static scroll plate and is connected with a gas-liquid separator; the water at the contact part of the static scroll plate and the dynamic scroll plate absorbs heat generated by gas compression along with the compression process of the compressor, and formed high-pressure gas with water vapor enters the gas-liquid separator from the exhaust pipe; and water separated by the gas-liquid separator is introduced into the water-cooling area of the static scroll plate through a water inlet pipe. The water-cooling oil-free scroll compressor can meet the purposes of lubrication and heat dissipation of the oil-free scroll compressor at the same time, and on the premise of meeting the gas requirement, the exhaust temperature is lower, the deformation of thedynamic scroll plate and the static scroll plate is small, and the volume efficiency is high.

The invention discloses a pressure spot welding tooling and method for a sunken type explosive-loading cavity sealing cap and solves the problem that human negligence factors cannot be overcome with an existing spot welding method. A conical pressing block (5) is pressed on the sealing cap (4), a cylindrical groove (11) is arranged in the cone bottom surface of the conical pressing block (5), a skirt ring (8) arranged on a cone bottom excircle (10) of the conical pressing block (5) is arranged in a sealing-cap mounting step hole (3), 16 laser-welding and spot-welding grooved notches (9) are arranged on the skirt ring (8) with evenly-spaced radian along the skirt ring, the distance between groove bottom of the laser-welding and spot-welding grooved notches (9) and the cone bottom excircle (10) is 1.5mm, and the distance between the excircle of the skirt ring (8) and the stepped vertical wall of the sealing-cap mounting step hole (3) is 0.5mm. The pressure spot welding tooling is simplein structure and easy in process operation.