14results about How to "Increase the internal volume" patented technology

The invention relates to the technical field of building material detection, and discloses a building material detection device for building construction, the building material detection device comprises a mounting box, a moving turnover assembly is mounted in the mounting box, and an adjusting assembly is arranged on one side of the moving turnover assembly. According to the building material detection device for building construction, before a test block is detected by adopting a steady-state permeation method, the test block can be clamped through the adjusting assembly, is rotated and moved in the mounting box and is moved to a paint spraying position, and the four sides of the test block are completely sprayed, dried and sealed by utilizing sealing paint; the adjusting assembly can drive the test block to rotate so as to ensure that the four sides of the test block can be evenly coated with the sealing paint, then the test block is rotated to the position below the water tank assembly, automatic operation of the whole sealing work is achieved, manual participation is reduced, and the efficiency of preparation work before an experiment is effectively improved.

The invention provides a mobile air conditioner capable of changing the cold air outlet direction and provided with obliquely-installed coaxial cold and hot air ducts, which comprises a shell serving as a mounting carrier, an air inlet, an air outlet, an air outlet, an air inlet and an air outlet, the shell is hollow, and a mounting cavity is formed in the shell; the volute assembly is obliquely arranged in the mounting cavity, the volute assembly comprises an upper volute assembly and a lower volute assembly located below the upper volute assembly, an upper volute cavity and a lower volute cavity are formed in the upper volute assembly and the lower volute assembly respectively, the upper volute cavity and the lower volute cavity are coaxially arranged, and the axis of the upper volute cavity and the axis of the lower volute cavity incline to the horizontal plane; an exhaust channel is arranged on the side wall of the upper volute cavity, extends upwards, is in butt joint with a first air outlet in the top of the shell and is used for discharging air. The mobile air conditioner capable of changing the cold air outlet direction and provided with the obliquely-installed coaxial cold and hot air ducts is compact in structure, small in size, low in manufacturing cost and use cost, convenient to assemble, high in air outlet speed, long in air supply distance, low in working noise, good in use effect and long in service life.

The utility model relates to the technical field of lost foam casting, in particular to a lost foam casting negative pressure sandbox which comprises a base plate, a plurality of sandbox assemblies are arranged at the top of the base plate, upper connecting blocks are fixedly installed above the two sides of each sandbox assembly, and limiting grooves are formed in the sides, away from the sandbox assemblies, of the upper connecting blocks. According to the lost foam casting negative-pressure sand box, through cooperative use of the base plate, the sand box assembly bodies, the positioning grooves, the lower connecting blocks, the mounting grooves, the upper connecting blocks, limiting grooves, concentric-square-shaped positioning pieces, butterfly nuts, bolts and concentric-square-shaped sealing grooves, a certain number of sand box assembly bodies can be assembled to expand the internal volume of the sand box, and the requirements of different casting processes and castings are met; the situation that a user needs to independently prepare sandboxes of different sizes according to each requirement is avoided, the cost and occupied space of equipment are reduced, and the flexibility and applicability of the sandboxes are improved.

The bulk particle material containing device comprises a containing bin, and a bottom plate is installed at the bottom of the containing bin; the bottom plate comprises a sliding way arranged on the bottom face of the inner side of the containing bin and a first supporting bottom plate movably installed on the sliding way, a second supporting bottom plate is arranged on the sliding way, the first end of the second supporting bottom plate is hinged to the end of the first supporting bottom plate, and the second end of the second supporting bottom plate can vertically move and protrude upwards. And then one end of the first supporting bottom plate is driven to horizontally move along the sliding way, and a discharging space is formed. The double-side unloading device is provided with the rectangular containing cavity, the transportation volume is large, manufacturing and mounting are convenient, the double-side unloading device can be conveniently modified to be used for transporting other objects, double-side simultaneous unloading can be achieved, the unloading efficiency is high, no material residues exist after unloading, the structure is simple and compact, and the application prospect is wide.

The utility model provides a kind of valve group and compressor of miniaturization reciprocating compressor, it is related to compressor field, to the problem that the temperature of existing small compressor cylinder head is too high, gas flow resistance increases and leads to efficiency reduction, by the offset structure of valve plate on the valve plate subassembly suction hole, enlarge suction valve port flow area, reduce suction resistance, reduce the pressure loss and friction heat in suction process, to reduce suction overheating, from the source to relieve cylinder head overheating problem, allow to adopt smaller size cylinder hole, meet the demand of compressor miniaturization, the valve tongue both sides of suction valve piece are provided with contraction part to form waist, exhaust hole is arranged between two sides waist, adapt to the compact space of miniaturization valve group, suction muffler outlet and cylinder cover keep apart, leave gap, cut off the heat conduction path between cylinder cover and suction muffler, form heat insulation, reduce suction overheating, reduce cylinder head temperature benign cycle, improve miniaturization reciprocating compressor efficiency.

The invention discloses a hydraulic oil cylinder based on vibration reduction of a piston rod, and particularly relates to the technical field of oil cylinders, the hydraulic oil cylinder comprises a hydraulic oil cylinder body installed on an external machine tool through a fixing plate, the fixing plate is provided with an installation hole for the piston rod of the hydraulic oil cylinder body to freely pass through, and the hydraulic oil cylinder further comprises a buffer seat, the piston rod freely slides on the buffer seat; the connecting shaft is fixedly connected to the buffer seat and is coaxial with the piston rod; and the hydraulic buffer device is used for buffering the piston rod when the buffer seat moves relative to the piston rod. By arranging the hydraulic buffering device, after the piston rod extends in place, due to the fact that the machine tool sliding table has inertia, the machine tool sliding table drives the buffering base to move in the reverse direction away from the piston rod under the action of inertia force, and when the machine tool sliding table moves, the hydraulic buffering device can conduct buffering, so that the vibration and impact influences of the inertia force on the piston rod are small.

The utility model discloses a double-layer detachable pet bag which comprises an upper-layer bag and a lower-layer bag matched with the upper-layer bag, an assembly zipper is arranged between the upper-layer bag and the lower-layer bag, the front side of the upper-layer bag and the front side of the lower-layer bag are respectively provided with a door entering assembly used for taking and placing a pet, and a partition plate is arranged on one side of the bottom of the upper-layer bag. An inner ring zipper is fixedly installed between the partition plate and the upper-layer bag, detachable gaskets are placed at the bottom of the inner wall of the upper-layer bag and the bottom of the inner wall of the lower-layer bag, a bottom plate piece is fixedly arranged at the bottom of the lower-layer bag, and a shading assembly is fixedly installed in the middle of the top end of the upper-layer bag. The double-layer detachable design is adopted for the pet bag, the bag body frame is high in structural strength, the problem that deformation is not prone to occurring when the bag is carried on the back is solved, two pets can be carried at the same time through double layers, the bag can also be detached, a single-shoulder bag is formed, one pet is carried, the breathable coverage is wide, carrying is convenient, discomfort of the pets is not likely to be caused, and applicability is good.

The present invention discloses a hybrid structure frame for a semi-trailer, wherein the plate beam frame at the traction pin adopts a double web structure, and the two longitudinal beams at the plate beam frame at the traction pin have the traction plates covering them as their lower wing plates, and a plurality of groove-shaped reinforcements are arranged between the two longitudinal beams, and the distance between the wing plates on the longitudinal beams or the upper cover plates on the traction pins and the traction plates is less than 90 mm; the through-type cross beams transversely penetrate the webs of the two longitudinal beams of the trapezoidal frame; the upper wing plates of the longitudinal beams at the plate beam frame part at the traction pin are wider than the upper wing plates of the trapezoidal frame part. The semi-trailer transport container of the present invention, which uses the plate beam frame with a total height of 88 mm of the plate beam structure at the traction pin as the skeleton, reduces the center of gravity height of the train by at least 100 mm, greatly reduces the total height of the train operation, and improves the driving stability and safety; in the transportation of large semi-trailer boxes and box-type semi-trailers, the effective volume is greatly increased, and the transportation efficiency is improved; and the transportation of international sea 40-foot standard containers is achieved without overheight.

This utility model provides a vibration structure for a spherical graphite vibratory grinding device, belonging to the technical field of spherical graphite vibratory grinding devices. The vibration structure includes: a vibratory body, a vibration excitation device, a support base, a transmission shaft, an adjustment mechanism, and a sealing cover. The vibratory body is cylindrical, with a spherical grinding cavity inside, the inner wall of which is made of stainless steel. The support base is fixedly mounted on the ground, and its upper surface is connected to the bottom of the vibratory body via a shock-absorbing spring assembly. The vibration excitation device includes an eccentric wheel and a drive motor, which is fixedly mounted on the side wall of the support base. The output shaft of the drive motor is connected to the transmission shaft via a coupling. This invention solves the technical problems of uneven grinding, poor vibration control accuracy, and insufficient equipment stability in existing spherical graphite grinding devices.

The utility model discloses a fan outer frame embedded with steel sheets, which belongs to the technical field of fan outer frames and comprises an outer frame main body and a plurality of steel embedded sheets embedded on the peripheral side of the outer frame main body to improve the strength of the outer frame main body. The outer frame body comprises a frame body with the bottom face in a regular polygon shape, a circular groove formed in the middle of the frame body and coaxial with the frame body and a bottom frame, and through grooves are formed in the centers of the side edges of the frame body. And the steel insert is fixedly inserted into the through groove. A proper amount of steel sheets are embedded in the weak position of the frame body of the fan outer frame to improve the strength of the frame body, and the internal volume of the fan outer frame is expanded on the basis of controlling the weight of the fan outer frame to reach the standard and guaranteeing the overall strength of the fan outer frame.

The invention discloses a drinking water preparing and filtering device and method based on a magnetized filter element, and relates to the technical field of filtering. A filter cartridge; a first filter plate, a second filter plate, a third filter plate and a fourth filter plate; the telescopic unit is arranged on the connecting base and used for driving the first filter plate, the second filter plate and the third filter plate to move in the direction away from the fourth filter plate, so that the shaftless spiral piece is in an elastic extension state. According to the invention, when foreign matters and impurities are cleaned, a telescopic unit drives a first filter plate, a second filter plate and a third filter plate to move in a direction far away from a fourth filter plate, so that a shaftless spiral sheet is elastically stretched and deformed, and gaps between activated carbon particles and magnetized particles are increased; foreign matters and impurities can flow out to the water outlet through gaps between the activated carbon particles and the magnetized particles, so that the foreign matters and impurities are removed, the replacement period of the filter element is prolonged, and the replacement frequency of the filter element is reduced.

The invention relates to the technical field of battery packs, in particular to a battery pack for an energy storage power station and a protection system thereof.The battery pack comprises a battery cell module and a battery pack shell, a battery monomer sealing shell is arranged outside the battery cell module in a packaging mode, and the battery cell module and the battery monomer sealing shell are both located inside the battery pack shell; a pressure-sensitive circular groove is formed in the upper surface of the battery monomer sealing shell in a penetrating manner, and a floating disc body is arranged in the pressure-sensitive circular groove; according to the battery pack for the energy storage power station, through structural cooperation of the floating disc body, the laser receiver, the laser transmitter and the like, the internal pressure condition of the battery monomers can be visually monitored, and through vertical floating of the floating disc body, the internal pressure fluctuation amplitude of the battery monomers can be weakened.

The invention relates to a fungus cultivation bottle cap, a fungus cultivation bottle and a fungus production line. The opening area of the fungus cultivation bottle cap can be adjusted, the fungus cultivation bottle cap comprises an upper cap, a middle cap and a lower cap, and the upper cap comprises at least one arc surface. The fungus cultivation bottle comprises a fungus cultivation bottle cap and a bottle body, and the middle part of the bottle body in the vertical direction is provided with an inward contraction structure. The fungus production line comprises a fungus cultivation bottle and an opening operation device for adjusting the opening area of the fungus cultivation bottle. The invention further relates to application of the fungus cultivation bottle in fungus cultivation.

The present invention discloses a double-sided air intake volute for an aviation environmental control ramjet refrigeration turbine, comprising a power turbine arranged inside the shell, a nozzle ring arranged on the power turbine, a volute inlet arranged on the shell, and an annular flow channel arranged inside the shell; the annular flow channel comprises two volute flow channel 1 and volute flow channel 2, and the two are symmetrically arranged on both sides of the nozzle ring; the fluid medium transported through the volute inlet will decelerate after entering the large cross-section flow channel formed by the volute flow channel 1 and the volute flow channel 2, thereby achieving a pressure diffusion effect, thereby forming a low flow rate and high static pressure area at the nozzle ring inlet. The present invention hollows out the internal solid support structure of the ramjet turbine to form double volute flow channels on both sides of the nozzle under the condition of satisfying the structural strength, increases the cross-sectional area of ​​the volute flow channel without increasing the volume of the ramjet turbine, and achieves the purpose of decelerating and diffusing the high-speed ramjet air, which is more conducive to the efficient operation of the ramjet turbine, and can also reduce the weight of the ramjet turbine and the load on the carrier aircraft.