34results about How to "Reliable strength" patented technology

The invention belongs to a new energy automobile body structure in the technical field of new energy automobiles. The outer frame beam (4) and the lower bottom plate (5) are of an integrated structure made of aluminum alloy, a trapezoidal structure or a wedge-shaped structure is arranged on the outer side of the outer frame beam (4), a protruding part (10) of the threshold inner plate (9) abuts against the upper portion of the outer frame beam (4), an inner plate inclined face part (11) abuts against an outer frame inclined face part (7), a bolt bush (13) is arranged on the inner side of the inner plate inclined face part (11), and a threaded sleeve (14) is arranged on the inner side of the outer frame beam (4). A bolt (15) is connected with the threaded bushing (13) and the threaded sleeve (14), and an internal arrangement beam (6) is arranged in the lower shell (2) under the seat cross beam. According to the new energy automobile body structure, the structure is simple, the space utilization rate is increased, meanwhile, the bending torsion and collision performance of an automobile body is improved, meanwhile, the safety performance of side collision and side column collision is improved, and the torsional rigidity and the side collision performance of the automobile body are improved.

The invention relates to the technical field of semiconductor device packaging, in particular to a packaging structure, a packaging test method and a packaging test system of a large-scale photon chip. The upper surface of the substrate is connected with a chip layer through a first bonding structure, the chip layer comprises a plurality of optical chips, adjacent first and second side edges of the optical chips are relatively parallel to corresponding side edges of the other two adjacent optical chips, and a first gluing area is formed by filling a gluing material between the two oppositely arranged side edges; the outward side edge of the photon chip is bonded with a bonding material which extends to form a second bonding area, and the silicon adapter plate is arranged corresponding to the first connecting area of the optical chip; and a first wiring layer is arranged between the lower surface of the silicon adapter plate and the cementing layer. The splicing structure provided by the invention can reduce the preparation difficulty of large-scale optical chips.

The invention discloses a laser cutting machine with a semi-hollow doll type lathe bed, which comprises side plates and a semi-hollow lathe bed integrally formed by connecting the two side plates through a cross beam arranged between the two side plates, guide rail seats are mounted at the tops of the side plates, a moving mechanism for driving a laser cutting head to move is mounted on the guide rail seats, and a workbench is sleeved in the lathe bed. The plane of the working table is parallel to the lathe bed, the working table comprises a mounting frame, a plurality of transverse frames arranged in parallel are connected to the mounting frame, each transverse frame is provided with a smoke removal assembly used for extracting smoke dust in a short distance, and the smoke removal assemblies are covered with protection assemblies used for protecting and assisting the smoke removal assemblies in smoke dust extraction; the semi-hollow lathe bed is adopted, on the premise that the strength is reliable, the weight of the lathe bed is reduced, and the material cost and the transportation cost are saved; the bed body can be effectively protected through the sleeve doll type structure, the smoke removing assembly is arranged on each transverse frame, smoke generated in the cutting process can be effectively extracted in a short distance, and environmental pollution is reduced.

The invention discloses a pneumatic telescopic automatic clamping device for a high-altitude grounding wire, and relates to the technical field of grounding wire clamping, and the pneumatic telescopic automatic clamping device comprises a base which is provided with a mounting table; the bottom end of the pneumatic telescopic mast is detachably connected to the mounting table, and a control box for controlling the pneumatic telescopic mast to work is arranged on one side of the pneumatic telescopic mast; the wire clamp mechanism comprises a fixed seat, a grounding wire clamp, a bearing seat and a mounting frame; a rotating shaft is arranged between the two supporting plates, one end of the installation frame is installed on the rotating shaft, the outer side of the rotating shaft is connected with a rotating and swinging motor, a lead screw is connected to the bearing seat, one end of the lead screw penetrates through the first clamping part to be fixedly connected with the second clamping part, and the other end of the lead screw is connected with a wire clamp loosening and tightening motor. The adjustable supporting frame comprises a movable adjusting locking ring and a plurality of angle adjusting supporting rods, the pneumatic telescopic mast is sleeved with the movable adjusting locking ring, one end of each angle adjusting supporting rod is movably connected with the movable adjusting locking ring, and the other end of each angle adjusting supporting rod is movably connected to the base. The rotating and swinging design is adopted, the structure is easier to operate and practical, the rotating and swinging function of the mechanism can be achieved only through ground remote control, operation is greatly facilitated, operation safety is guaranteed, the structural design is ingenious, and operation is convenient and fast.

The utility model discloses a spliced extension scale for measuring the depth of a rotary excavating cast-in-place pile hole, relates to the technical field of building construction, and can solve the problem that the depth of a pile hole of a current rotary excavating cast-in-place pile is not accurately measured. The splicing type extension scale for measuring the depth of the rotary excavating cast-in-place pile hole comprises at least one extension scale assembly, the extension scale assembly comprises an outer scale body and an inner scale body, and the outer scale body and the inner scale body are coaxially arranged in a sleeved mode. The extension ruler assembly further comprises a splicing structure A and a splicing structure B which are arranged at the end part of the outer ruler main body and the end part of the inner ruler main body respectively, and the splicing structure A and the splicing structure B are matched with each other; a bayonet is formed in the side, away from the splicing structure A, of the outer ruler body, a buckle button is arranged on the side, away from the splicing structure B, of the inner ruler body, and the buckle button and the bayonet are matched with each other.

The utility model discloses an exhaust passage floor connected building structure, a prefabricated part comprises a lower bearing platform, an upper bearing seat is vertically arranged on the lower bearing platform, the cross section outline of the lower bearing platform is larger than that of the upper bearing seat, and the lower bearing platform and the interior of the upper bearing seat jointly form a vertical air passage. The building structure comprises an upper-layer exhaust passage and a lower-layer exhaust passage and further comprises the prefabricated part, the upper-layer exhaust passage is connected with the upper bearing seat, an inner air passage of the upper-layer exhaust passage is opposite and communicated with the air passage, the lower-layer exhaust passage is connected with the lower bearing platform, and an inner air passage of the lower-layer exhaust passage is opposite and communicated with the air passage. The connecting joint has the advantages that the connecting joint of the floor slab and the exhaust passage is prefabricated, the floor slab and the exhaust passage are of an integrated structure, and the leakage problem of a traditional connecting joint is fundamentally solved; the upper and lower layers of exhaust passages are in transition communication, ventilation of the lower and upper air passages is completed, stable connection can be guaranteed, and the overall strength of the formed air passages is reliable.

This utility model discloses a reusable micropile, belonging to the field of micro steel pipe pile technology. It includes an outer pile body, an auxiliary connecting guide assembly, an inner pile body, and a base plate. The base plate is a circular steel plate, with its upper end fixedly connected to both the outer and inner pile bodies. Both the outer and inner pile bodies are hollow pipe piles, with the inner diameter of the outer pile body being larger than the outer diameter of the inner pile body. The guide assembly is connected to the lower end of the base plate. The auxiliary connecting guide assembly includes guide protrusions fixedly connected to the lower end of the base plate. A guide groove is formed at the upper end of the outer pile body to engage with the base plate. Two sets of micropiles can be connected end-to-end through the guide protrusions and guide grooves, which cooperate to provide guidance. Through this method, the inner and outer pile bodies and the connecting plate make the overall strength of the micropile more reliable, while also facilitating end-to-end and lateral connections between different micropiles, enhancing the applicability and flexibility of the micropile.

The utility model discloses a battery turnover tray with a vertical row structure, and relates to a turnover tray. Comprising an ABS injection molding tray, a battery limiting groove, pole receding positions and a VA buffer foam pad, the battery limiting groove with a vertical battery monomer structure is formed in the ABS injection molding tray, the pole receding positions are formed in the two ends of the battery limiting groove, and the EVA buffer foam pad is further arranged on the battery limiting groove. The device is reasonable in structural design, the battery is protected, the peripheral efficiency is improved, and turnover waste and loss are reduced.

The utility model discloses a temporary stand with 60-series plate buckles, and relates to the technical field of temporary stands. Comprising a supporting frame, platform vertical beams, a front baffle, a pedal and a stand seat, the platform vertical beams are installed on the two sides of the top of the supporting frame through bolts, the front baffle is vertically installed between the two platform vertical beams through hooks at the ends of the front baffle, the pedal is horizontally laid between the two platform vertical beams, and the stand seat is arranged on the front baffle. The two ends of the pedal are connected with the platform vertical beam through pins, the side portion of the pedal is in lap joint with the bent position of the front baffle, the side portion of the pedal and the bent position of the front baffle form an L-shaped structure, and the stand seat is installed on the top of the pedal. The 60-series plate buckle temporary stand provided by the utility model can be used for modularized operation, can be quickly built and disassembled, greatly improves the construction efficiency, and saves the construction cost.

The application discloses a contaminated soil replacement method and a light replacement structure, and belongs to the technical field of building replacement, which solves the problems of the existing technology, such as treating the symptoms but not the root cause, large amount of concrete, and poor durability of the protective layer. The method comprises the following steps: contaminated soil treatment, frame assembly (integral type / modularization), block component installation (integral / layering), concrete pouring (layering / integral), and subsequent treatment. The frame and the block component form a protective barrier. Layered pouring requires rough surface treatment, and integral pouring is provided with anchoring components. The structure comprises a frame, a block component (light filling block combined with a U-shaped hook connecting piece), and optional anchoring components (two-way expansion anchor rods). The application replaces 30%-50% of the concrete with light blocks, reduces the load and cost, and improves the durability of the protective layer by more than 20%. The application can block pollution and erosion, is suitable for different construction scenes, and is convenient to operate.

This invention provides a steel structure reinforcement device, belonging to the technical field of reinforcement devices. It includes an auxiliary beam with a mounting plate fixed to its end face. A threaded rod and a rotating rod are threaded through the auxiliary beam. A contact plate is rotatably connected to the top of the threaded rod, and the rotating rod is rotatably connected to the contact plate. A spiral groove is formed on the surface of the rotating rod. A top block is provided on the top surface of the auxiliary beam, and a locking rod that engages with the spiral groove is fixed to the side of the top block. A circular block is fixed to the bottom end of the rotating rod, and several slots are formed on the surface of the circular block. A bottom block is fixed to the bottom surface of the auxiliary beam, and a sliding rod is slidably connected vertically inside the bottom block. A stop block is fixed to the top of the sliding rod, and the bottom of the sliding rod extends to the outside of the bottom block. An insert block that inserts into the slot is fixed to the bottom side of the sliding rod, and a spring is sleeved on the surface of the sliding rod. This invention is convenient for mass manufacturing and has high practicality.

The application discloses a composite power distribution line, which comprises a plurality of power distribution poles arranged at intervals along the extension direction of the composite power distribution line and wires hung on the power distribution poles, the plurality of power distribution poles comprise at least two terminal poles, a plurality of strain poles and a plurality of straight poles, the terminal poles are located at the end of the composite power distribution line, the straight poles and the strain poles are located in the middle of the composite power distribution line, the top of the terminal pole is provided with a terminal composite cross arm, the top of the strain pole is provided with a strain composite cross arm, the top of the straight pole is provided with a straight composite cross arm, and the wires are hung on the terminal composite cross arm, the strain composite cross arm and the straight composite cross arm along the extension direction of the composite power distribution line to form the composite power distribution line. The power distribution poles of the composite power distribution line adopt the composite cross arm to hang the wires, the lightning protection level is high, a lightning arrester does not need to be additionally installed, the safety is higher, the cost is lower, and the composite cross arm is not prone to rust and has a longer service life.

This invention provides an isolation pad and its manufacturing method. The isolation pad of this invention is used during aluminum coil processing, positioned between the aluminum coil and the support rack to isolate them. The isolation pad has a multi-layered structure, with each layer made of aluminum alloy. The pad includes at least two outer layers: a first outer layer on the side in contact with the support rack and a second outer layer on the side in contact with the aluminum coil. This invention solves the problem of annealing embossing on the outer layer of the aluminum coil caused by direct contact between the aluminum coil and the support rack. The isolation pad is suitable for aluminum coils of various weights and sizes, exhibits reliable strength and high-temperature resistance, and does not fail even when repeatedly annealed and cooled with the aluminum coil in and out of the annealing furnace.

The utility model belongs to the field of mechanical structure design, and provides a tractor buffering mechanism which comprises a connector (1), a movable steel sleeve (2), a front baffle (3), a buffering spring (4), a rear baffle (5), a screw (6), a lining (7), a blocking piece (8) and a nut (9). The front baffle (3) is welded to the foremost end of the trailer draw bar body, the rear baffle (5) is welded to the inner side of the middle of the trailer draw bar body, the two bushings (7) are symmetrically installed on the inner side of the front baffle (3) and the inner side of the rear baffle (5) through the screws (6), the two movable steel sleeves (2) are symmetrically installed on the bushings front and back, and the buffer spring (4) is arranged between the front baffle (3) and the rear baffle (5). The connector (1) penetrates through the front baffle (3), the buffer spring (4) and the rear baffle (5) from the front end of the trailer traction rod body and is fixed through the blocking piece (8) and the nut (9).

The utility model provides a ventilation plug, which is used for balancing air pressure inside and outside a vehicle box body, the ventilation plug comprises a dustproof cap, a waterproof breathable film, a spoiler and a joint body, the spoiler is arranged in a middle through hole of the joint body and is used for blocking oil, and the waterproof breathable film is arranged in the middle through hole of the joint body. The spoiler comprises a plurality of large cutting discs and a plurality of connecting columns for connecting two adjacent large cutting discs; the arc outer edge surfaces of the plurality of large cutting discs are tightly connected with the inner edge surface of the middle through hole of the joint body; and the vertical planes of the plurality of large cutting discs and the inner edge surface of the middle through hole of the joint body form a bent part of the passage. According to the ventilation plug, the function of balancing the internal and external pressure difference of a traditional ventilation plug can be guaranteed, and the good dustproof and waterproof effects are achieved.

The utility model discloses a photovoltaic glass coating clean room which comprises a room body, a coating workshop is arranged in the room body, an aisle is arranged above the coating workshop, tempered glass is arranged between the coating workshop and the aisle, and the aisle and the coating workshop are separated by the tempered glass. And the operation safety is improved.

The utility model relates to a welding tool for a reinforced cold plate frame. The welding tool comprises a base plate; the spring positioning pin is arranged on the base plate; the reinforcing column is positioned through a spring positioning pin; the frame is arranged on the base plate, positioning holes are formed in the frame, the reinforcing columns are sleeved with the positioning holes, and the inner walls of the positioning holes and the reinforcing columns are connected into a whole through welding. According to the welding tool for the reinforced cold plate frame, the welding position of the frame and the reinforcing column can be rapidly positioned, so that reliable connection between the frame and the reinforcing column is guaranteed, the tool is easy to operate, polishing after welding is not needed, and the tool can be used for batch production and is extremely low in cost; the frame welded through the tool is mainly characterized in that the reinforcing columns are added into the frame, the overall strength of the frame can be improved, it is guaranteed that the structure is stable and does not deform in the welding process, and the strength of the fixed part of the frame is reliable through a local reinforcing mode.

The present invention discloses a self-enclosed mixing drum, comprising a material chamber, the front end of which is connected to the material port, and an opening is arranged on the side wall of the material chamber, a material separation chamber, which is connected to the rear end of the material chamber and forms a connecting space, and an inner baffle, which is arranged in the connecting space and is used to block the connection between the material chamber and the material separation chamber. The present invention firstly realizes the self-enclosed function without increasing the cost or only increasing the cost very little, and ensures that there is no leakage of materials; secondly, it improves the loading rate of concrete, and the filling rate of the mixing drum reaches more than 85% without affecting the feeding and discharging of the mixing drum; thirdly, it does not have very high requirements on the sealing of the internal weld of the mixing drum, and the process is simple to implement; fourthly, it does not need to increase the inclination angle of the mixing drum and increase the center of gravity height during the climbing process, and the safety is relatively high; fifthly, it does not need to add an additional sealing device at the back of the mixing drum for sealing, and the process is simple and reduces the cost.

The present application relates to a kind of high-pressure turbine guide vane, and specifically relates to a kind of preparation method of ceramic matrix composite multi-cavity structure high-pressure turbine guide vane.Solve the technical problems that ceramic matrix composite high-pressure turbine guide vane component forming is difficult, blade component size difference and pre-embedded split joint model is easy to be bonded with blade.The method of the present application comprises the following steps:1) preparing upper edge plate component preform, lower edge plate component preform and blade body preform;2) preparing boron nitride interface layer for each preform respectively;3) preparing SiC matrix for each preform respectively, during the densification process of blade body preform, new graphite tooling and graphite paper pad are used at split joint structure for each furnace deposition;4) preparing self-healing matrix for each preform respectively;5) processing each component;Installing inner core baffle and multiple spoiler columns;Online assembly of each component, deposition and processing obtain turbine guide vane.

The utility model discloses a plastic part connecting buckle for an electric vehicle pedal cover plate, which comprises a buckle body, the buckle body comprises a horizontal part and a vertical part, the connecting included angle between the horizontal part and the vertical part is 90 degrees, and reinforcing ribs are fixedly connected to the connecting corner and the edge of the horizontal part and the vertical part. A reinforcing rib is arranged on the buckle body, a wedge-shaped inserting head is arranged at one end of the horizontal part, an open groove is formed in the middle of the horizontal part, a clamping head is fixedly connected to the interior of the open groove, and a buckling protrusion is fixedly connected to the outer side of one end of the clamping head. According to the buckle structure, the tensile strength and reliability of buckle connection are greatly improved, the strength of screw connection can be close to or achieved, reliable connection between electric vehicle pedal cover plate plastic parts is ensured, the buckle structure is connected in a clamping mode, additional fasteners such as screws and nuts do not need to be used, the assembly process is simple, the production efficiency can be remarkably improved, and the production cost is reduced. The assembly cost is reduced.

The utility model belongs to the technical field of vehicle seats, and particularly relates to a multifunctional vehicle seat which comprises a base, a cushion support, a cushion framework, a first chair back framework and a second chair back framework, and the cushion support is arranged on the base in a front-back sliding mode; the cushion framework is arranged on the cushion bracket through a third angle adjuster; the first chair back framework is arranged on the base through the first angle adjuster, the first chair back framework can be unfolded forwards, and when the first chair back framework is unfolded forwards, the cushion support slides forwards to give way to the first chair back framework; the second chair back framework is arranged on the base through a second angle adjuster, and the second chair back framework can be unfolded backwards; the first chair back framework and the second chair back framework are arranged in parallel front and back. According to the multifunctional vehicle seat, the seat state is a normal state; in the chair state, the second chair back framework can be laid flat backwards to serve as a multifunctional table board; when the bed is in a bed state, the cushion framework moves forwards and turns over to give way to the first chair back framework, so that the length of the bed is greatly increased, and the lying experience of a user is improved.

The utility model discloses an adjustable table board vibration test clamp which comprises two vertical columns which are vertically and symmetrically arranged, the rear side walls of the two vertical columns are fixedly connected with a base, the two ends of the two vertical columns are symmetrically provided with cross beams, the two sides of the two cross beams are sleeved with screw rods, the screw rods penetrate through the two sides of the vertical columns, and the two ends of the screw rods are connected with the base. Nuts are in threaded connection with the two sides of the screw, and sliding connection structures are installed in inner cavities of the stand columns and the cross beams. Due to the fact that the clamp connecting piece is adjustable, various products can be installed and tested by replacing different product samples, vibration responses of various test pieces at all positions can be efficiently and accurately obtained in cooperation with a vibration test table, cost is greatly saved, work efficiency and data acquisition accuracy are improved, and the test efficiency is improved. The provided vibration clamp is reasonable in vibration force transmission, and the problems that an existing vibration test is high in test cost and time-consuming, and clamps are difficult to unify can be effectively solved.

The invention relates to the technical field of construction lifting appliances, and provides an automatic positioning lifting appliance for structural steel framework construction, which comprises a lifting appliance lifting rod and a first steel wire rope, the lifting appliance lifting rod comprises a main bearing beam, a secondary bearing beam and a lifting beam body, and a lute buckle at the upper end of the first steel wire rope is connected with a tower crane lifting hook; the lower end of the first steel wire rope is connected with a lifting beam lifting lug arranged below the lifting beam body through a first bow shackle, a main beam lifting lug is arranged on the main bearing beam, a limiting plate is arranged on the secondary bearing beam, a precisely-rolled deformed steel bar is installed on the lifting beam body, an adjusting nut is arranged on the precisely-rolled deformed steel bar, and the adjusting nut is connected with the lifting beam lifting lug through a second bow shackle. And a second bow shackle is arranged below the adjusting nut. By means of the technical scheme, the problem that an existing lifting appliance cannot meet the structural requirements of two parts including a complex stress type steel framework and reinforcing steel bars and a locating stiff framework and reinforcing steel bars in a lifting tower column is solved.

The utility model discloses an assembly type accident oil pool which comprises a prefabricated bottom plate, a prefabricated wall plate, a prefabricated top plate and a prefabricated inspection well, a circle of groove is formed in the upper portion of the prefabricated bottom plate, a waterproof rubber belt is arranged at the bottom in the groove, bottom plate embedded steel plates are further arranged on the upper top face of the prefabricated bottom plate and located on the two sides of the groove, and the bottom plate embedded steel plates are connected with the prefabricated bottom plate. Clamping keys and wallboard bottom pre-embedded steel plates are arranged at the bottoms of the prefabricated wallboards, wallboard end pre-embedded steel plates are arranged at the side ends of the prefabricated wallboards, the clamping keys are inserted into the grooves in a matched mode and press the waterproof adhesive tape, the bottom plate pre-embedded steel plates are welded to the wallboard bottom pre-embedded steel plates, and the wallboard end pre-embedded steel plates of the adjacent prefabricated wallboards are welded. The prefabricated roof is cooperatively connected to the top of the prefabricated wallboard, and the prefabricated inspection well is connected to the top of the prefabricated roof. The assembly type accident oil pool is reasonable in structure splitting, high in component standardization degree, safe and reliable in connection, good in overall stability, convenient to construct, capable of greatly shortening the construction period, beneficial to environmental protection and reliable in structure waterproof performance.

The present invention discloses a special operations training scene module, including a foundation module, a wall module and an outer shape module. The foundation module is a rectangular structure, and the foundation module is provided with a positioning column for connecting with the wall module or the outer shape module and a lead nail hole for fixing with the ground. The upper surface of the wall module is provided with a positioning column, and the bottom is provided with a snap-fit ​​groove engaged with the positioning column. The lower surface of the outer shape module is provided with a snap-fit ​​groove engaged with the positioning column. The present invention adopts several standardized material modules as basic units, and quickly realizes the engineering construction of various training scenes according to the construction needs of different training scenes.

The utility model belongs to the technical field of bridge cables, in particular to a bridge cable anti-corrosion protection device which comprises a cable body for a bridge, two stainless steel semi-rings and two plugging covers, one end of each plugging cover is fixedly connected with a connecting rod, a sacrificial anode protection mechanism is arranged between each connecting rod and the corresponding plugging cover, and the other end of each plugging cover is fixedly connected with the corresponding stainless steel semi-ring. An anti-corrosion combined layer is fixedly arranged on the outer side of the cable body, the two stainless steel semi-rings are rotationally connected with each other, and the cable body is movably arranged in the two stainless steel semi-rings in a sleeved mode. The corrosion-resistant cable is reasonable in structural design, through the arrangement of the sacrificial anode bar, the plugging cover, the connecting ring, the stainless steel semi-ring and the corrosion-resistant combined layer, the cable body can be comprehensively subjected to a corrosion-resistant effect, so that the cable body is not prone to being corroded and damaged, the service life of the cable body is prolonged, the sacrificial anode bar which is seriously corroded can be conveniently disassembled, assembled and replaced at regular intervals, and the service life of the cable body is prolonged. The anti-corrosion effect is improved, and the reliability is high.

The invention relates to the technical field of turbine guiders, in particular to a guider for an air turbine starter. According to the technical scheme, the guide device comprises a guide device body and a plurality of sets of blades, the inner ring of the guide device body is an inner ring, the outer ring of the guide device body is an outer ring, the outer ring of the outer ring is an installation edge, the axial shape of the installation edge is in the shape of five arc edges and a straight edge, and the blades are evenly installed between an inner flow channel face and an outer flow channel face in the axial direction. The rear portion of the guider body is arranged to be in the shape of two sets of step faces, the center of the rear portion of the guider body is in the shape of a cavity, and the front edges of the blades are airflow inlets. The guider is integrally and precisely cast and formed, the whole ring modeling is adopted, the structure is simple, the assembling operation of the guider body and the starter is convenient and fast through the arrangement of the bolt mounting holes, the overall weight can be reduced through the arrangement of the cavity, the overall flow texture is good, the strength is reliable, and meanwhile good corrosion resistance and abrasion resistance are achieved.

The present invention discloses a large-capacity mixing drum and a method for using the same, including a mixing drum, and further including a feed chamber, a discharge port being provided on one side of the mixing drum, the feed chamber being connected to the discharge port; a partition chamber, the partition chamber being arranged inside the mixing drum and arranged on a side close to the discharge port; and an inner partition plate, the inner partition plate being installed on one side of the partition chamber. The present invention can ensure that there is no leakage and that the filling rate of the mixing drum reaches more than 85%. It can also climb a 14% slope to ensure that there is no leakage. At the same time, there is no need to increase the inclination angle of the mixing drum and the height of the center of gravity during the climbing process, and the safety is relatively high. The design of the feed chamber outlet can speed up the feeding speed. The multiple exhaust holes provided on the spiral blades can also ensure the balance of the air pressure inside the mixing drum. Finally, the top material is diverted to the bottom through multiple guide holes, so that the material enters the mixing cycle and reduces the risk of radial segregation.

The invention discloses an electronic expansion valve and refrigeration equipment, and the electronic expansion valve comprises a valve body, a valve base and a valve port seat; the valve body comprises a shell and a valve needle assembly, and the valve needle assembly is movably installed on the shell. One end of the valve base is connected to the shell, the valve base is provided with a first cavity and a second cavity which are communicated with each other, and the first cavity is used for allowing the valve needle assembly to penetrate through; and the valve port seat is made of plastic which can resist the temperature not lower than 240 DEG C, the valve port seat is riveted in the second cavity, a valve port is formed in the valve port seat in a penetrating mode, and the valve needle assembly can be inserted into the valve port through the valve port. According to the technical scheme, the sealing performance of the valve needle assembly inserted into the valve port can be optimized, and therefore the using effect of the electronic expansion valve is improved.

This invention discloses a bamboo biomass container suitable for long-length applications, belonging to the field of cargo transportation equipment. The container is constructed from bamboo biomass components, which are connected using various types of connectors to form a large spatial system. A coating is applied to the outer surface of the container, giving it advantages such as lightweight, high strength, corrosion resistance, and environmental friendliness. Common bamboo biomass materials include bamboo laminated timber, bamboo reconstituted timber, bamboo woven plywood, bamboo wound composite, bamboo-plastic composite, bamboo shavings composite, and bamboo chip profiles. This container can also be converted into a building, demonstrating promising application prospects.