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337 results about "Upper segment" patented technology
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Filling mining method and system for steeply-inclined nearly-upright extra-thick coal seam
The invention discloses a steeply-inclined nearly-upright extra-thick coal seam horizontal section fully-mechanized caving filling mining method, and relates to the technical field of coal mining. The method includes the following steps that the nearly-vertical super-thick coal seam is divided into different mining levels of 20-40 m, a low-position mining and releasing system is arranged at the horizontal position of the junction of a current section and a lower section, a high-position filling system is arranged in a top plate or bottom plate rock pillar at the horizontal position of the junction of the current section and an upper section, and the coal seam of the current section is mined through a fully-mechanized caving mining method; along with advancing of the coal face, a separation net and slurry blocking cloth are laid on the goaf through a net laying and slurry blocking support; a suspended cavity space detection characterization robot arranged in the high-position filling system is used for carrying out goaf space detection; the method comprises the following steps: dividing a nearly upright extra-thick coal seam into different sections for section mining, performing in-situ grouting filling on a subsequent mining space in the mining process, forming a stable filling interface in a goaf, fundamentally weakening stress concentration and reducing energy accumulation, and realizing collaborative proceeding of filling and coal mining.
Owner:CHINA UNIV OF MINING & TECH
Sheet piece guiding device and sheet piece stacking device
Owner:CHONGQING UNIV OF ARTS & SCI +1
Partition processing method for preventing oversized-diameter shield tunnel segment from floating upwards
The invention discloses a zoning treatment method for preventing oversized-diameter shield tunnel segments from floating, which comprises the following steps: step 1, arranging an expansion film bag on the outer side of an upper segment, and pouring cement-water glass quick-setting slurry into the film bag through a sleeve to enable the cement-water glass quick-setting slurry to expand to form a pressure arch; 2, pre-stressed anchor rods are arranged on the lower segment, and pressure-bearing gaskets are arranged; 3, after construction in the step 1 and the step 2 is completed, grouting is conducted on the middle segment, cement-water glass double-liquid slurry is injected from the middle segment, the slurry diffuses from the middle to the vertical direction in a fan shape, and the space behind the segment wall is fully filled; the grouting body, a film bag pressure arch formed on the upper portion and an anchor rod anti-pulling system arranged on the lower portion jointly form a continuous bearing structure to cooperatively restrain overall floating of the duct piece.
Owner:JINAN URBAN CONSTRUCTION GROUP CO LTD +2
Roadbed grouting reinforcement structure
The utility model relates to a roadbed grouting reinforcement structure, which effectively solves the problem of poor sealing reliability of a roadbed grouting orifice. According to the technical scheme, the grouting device comprises a grouting pipe, the grouting pipe is slidably sleeved with a first sealing ring, the first sealing ring is of a two-section step type, the diameter of the upper section is large, the diameter of the lower section is small, an upper pressing plate is arranged at the upper end of the first sealing ring, a lower pressing plate is arranged at the lower end of the first sealing ring, and a screw penetrating through the upper pressing plate, the first sealing ring and the lower pressing plate is further arranged; a nut is screwed at the upper end of the screw; a hydraulic cylinder is installed between the first sealing ring and the grouting pipe, a plurality of radial nail thorns are evenly distributed on the circumference of the side wall of the hydraulic cylinder, the nail thorns penetrate through the cylinder wall of the hydraulic cylinder and outwards penetrate through the first sealing ring, a piston is fixed to the lower end of the upper pressing plate, and the lower end of the piston is inserted into an oil cavity of the hydraulic cylinder. According to the sealing device, the sealing effect can be improved, and the first sealing ring cannot be jacked open by grouting pressure, so that the opening of the grouting hole can be effectively sealed all the time.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD
Segmented-roadway-free mining method for steeply inclined thin ore body
The invention belongs to the technical field of trackless mining preparation drift type filling mining, and discloses a steeply inclined thin ore body segmentation-free roadway mining method, which comprises the following steps of space partitioning and foundation engineering construction; stoping and filling in layers; a slope coping channel for trackless mining and transportation equipment to pass through is formed on an upward layered bottom plate on the top of the connection roadway of the lower stope through the blasting technology, the slope coping channel communicates with the segmented winze through the short connection roadway, and ore removal is conducted through the segmented winze; and entering the previous layer through the coping channel, and repeating the steps of stoping and filling the layer and constructing the coping channel until the mining is finished. A slope channel is formed by blasting at the top of a layered stope joint roadway, an upper layer of mine field is communicated with a draw shaft and a ventilation shaft of an upper section, and the sectional draw shafts are combined with the collaborative layout of top and bottom stage haulage drifts and ore loading transverse drifts, so that the beneficial effect that the whole accurate mining work amount is obviously reduced is achieved.
Owner:CHINA MINMETALS CHANGSHA MINING RES INST
Beam column steel bar connecting structure of concrete prefabricated assembly type building
The utility model relates to a beam column reinforcing steel bar connecting structure of a concrete prefabricated assembly type building, which comprises a prefabricated column die cavity, a prefabricated beam die cavity and a prefabricated floor die cavity, and a prefabricated column reinforcing steel bar keel and a prefabricated beam reinforcing steel bar keel are pre-mounted in the prefabricated column die cavity and the prefabricated beam die cavity respectively. The prefabricated column steel bar keel comprises at least two column outer side steel bars and at least two column inner side steel bars, the prefabricated beam steel bar keel comprises at least two beam outer side surface bars and at least two beam inner side steel bars, and the column outer side steel bars and the beam outer side surface steel bars are manufactured by bending the same first reinforcing steel bar to form an upper section and a lower section which are perpendicular to each other. The lower section is pre-installed in a prefabricated column steel bar keel, and the upper section is pre-installed in a prefabricated beam steel bar keel in a prefabricated beam mold cavity. The connecting strength of the prefabricated column and the prefabricated beam is improved, and the pressure resistance, the shock resistance, the supporting stability and the house safety are improved.
Owner:ALUHOUSE TECHNOLOGY (GD) COMPANY LIMITED
Composite material tensile sample reinforcing sheet bonding tool and bonding method thereof
The invention discloses a composite material tensile sample reinforcing sheet bonding tool and a bonding method thereof. The bonding tool comprises a clamping plate, an upper top plate and a lower top plate, a plurality of screw holes are formed in the edge and the center of the clamping plate, and square cushion blocks with through holes in the centers are arranged at the positions of the screw holes in the two sides of the clamping plate; a plurality of sample grooves are formed in the clamping plate and penetrate through the clamping plate, and the sample grooves are matched with samples in shape; screw holes are formed in the edges and the centers of the upper top plate and the lower top plate; a plurality of reinforcing sheet grooves are symmetrically distributed in the upper sections and the lower sections of the upper ejection plate and the lower ejection plate along the vertical center line respectively, the reinforcing sheet grooves are matched with the sample grooves, a reverse ejection hole is formed in the center of each reinforcing sheet groove, and a glue overflow hole is formed in the corner of each reinforcing sheet groove. By controlling the position between the sample and the reinforcing sheet, fixing the bonding position between the sample and the reinforcing sheet and adopting pressurized demolding, the reinforcing sheet in the obtained composite material tensile sample is precise in bonding and excellent in bonding performance.
Owner:BEIJING COMPOSITE MATERIALS CO LTD
Aircraft nose landing gear structure and folding and unfolding method
The invention discloses an aircraft nose landing gear structure and a folding and unfolding method, the aircraft nose landing gear structure comprises a fuselage connecting assembly, a strut assembly, an oil injection valve assembly, a shimmy damping assembly, a wheel assembly and a folding and unfolding control assembly, the fuselage connecting assembly is arranged at the upper section of the strut assembly, the top end of the strut assembly is connected with a fuselage, and the lower end of the strut assembly is connected with the wheel assembly; the supporting column assembly is arranged on the machine body and fixedly connected with the machine body through the machine body connecting assembly, the oil injection valve assembly is arranged on the supporting column assembly and higher than the horizontal position of the machine body connecting assembly, the upper portion of the anti-swing assembly is connected with the supporting column assembly, the lower portion of the anti-swing assembly is connected with the wheel assembly, and the two ends of the folding and unfolding control assembly are connected with the supporting column assembly and the machine body respectively. The first semicircular piece and the second semicircular piece are fixed through a tightening bolt, the friction plate is made of a carbon-carbon composite material, and vibration transmitted to a machine body is reduced. The split structure facilitates replacement of the friction plates, the whole shimmy damper does not need to be disassembled, and maintenance time is shortened.
Owner:梁定璿
Lightweight sleeping pad system having separable and dissimilar segments, and method of using
ActiveUS20250176740A1Stuffed mattressesSleeping rugPhysical medicine and rehabilitationPhysical therapy
A sleep pad system includes an upper segment generally sized and shaped to rest beneath the torso and head of a lying human, and a lower segment generally sized and shaped for the human's lower extremities. The upper segment construction imparts superior cushioning and warmth properties relative to the lower segment. The upper segment is configured for accordion-type folding, thereby allowing transformation into a compact and sturdy article having utility as a structural support. The lower segment is constructed of significantly lighter material than the upper segment, thereby decreasing the overall weight of the system.
Owner:MARY POPPINS UL LLC
Method for measuring abrasion loss of bearing bush of water-lubricated bearing engineering prototype
The invention relates to the field of transmission system detection, and particularly discloses a method for measuring the abrasion loss of a bearing bush of a water-lubricated bearing engineering prototype, which comprises a measuring tool, the measuring tool comprises a shell of the water-lubricated bearing engineering prototype and the bearing bush positioned in the shell, and a through measuring hole is formed in the highest point of the top of the shell in the vertical direction of the bearing bush. The lower section of the positioning block is inserted into the upper section of the measuring hole, the upper section is a flange section positioned outside the measuring hole, and a through inner hole is also formed in the positioning block. The change of the gap delta between the outer circular surface of the top of the tail shaft and the upper surface of the inner circular surface of the bearing bush is obtained by using the distance rod before and after the test by using the tool, and the change is reflected on the change of the distance from the upper end of the distance rod to the top surface of the flange section of the positioning block, namely the difference value between X1 and X2; the difference value is actually the abrasion loss X of the bearing bush of the water-lubricated shaft. The method is easy to operate, high in precision and low in equipment investment and test cost.
Owner:武汉重工铸锻有限责任公司
Prestress anti-floating anchor rod
The utility model relates to the technical field of anti-floating anchor rods, and discloses a prestress anti-floating anchor rod which comprises a bottom anchoring plate, three rod bodies and a first triangular plate, the number of the rod bodies is three, and the three rod bodies are fixed to the upper end face of the first triangular plate in an annular array mode. The bottom reinforcing piece is arranged on the lower end face of the bottom anchoring plate and used for reinforcing the bottom end of the bottom anchoring plate; the rod body reinforcing piece is telescopically arranged on the rod body and is used for reinforcing from the upper section of the rod body; the three rod bodies are fixed to the first triangular plate in the annular array mode and matched with the first triangular plate and the second triangular plate, by means of the stability of a triangle, the capacity of resisting building foundation buoyancy can be improved, and the overall stability of the structure is remarkably enhanced; the pressure promotes the connecting column to rise, the top block extrudes the movable block to move outwards to be inserted into a side soil layer, the bottom stability is improved, and the anti-floating capacity is improved.
Owner:CHINA CONSTR COMM ENG GRP UNITED
Cleaning accessory and cleaning equipment
PendingCN121943136AImprove operation inconveniencelow costSuction filtersSuction handlesMechanical engineeringVacuum cleaner
The invention provides a cleaning accessory and cleaning equipment, and belongs to the field of cleaning equipment. The cleaning accessory comprises an upper section assembly, a middle section assembly and a lower section assembly. The bottom end of the upper section assembly is provided with a driving surface which is obliquely arranged relative to the axis of the cleaning accessory; the middle section assembly and the upper section assembly are connected in a relatively rotating mode and provided with a movable first transmission piece. The lower section assembly is provided with a dust cabin used for collecting dust, a cabin door used for opening and closing the dust cabin and a second transmission part used for triggering the cabin door to be opened. When the upper section assembly rotates relative to the middle section assembly, the driving face acts on the first transmission part so that the first transmission part can drive the second transmission part to trigger the cabin door to be opened. According to the cleaning accessory and the cleaning equipment, the lower dust cabin door can be opened only by rotating the upper section assembly closer to the natural holding area, and the problem that the cover opening operation of the dust cabin door of an existing rod type dust collector is inconvenient can be solved.
Owner:ZHUIMIFENGXING TECHNOLOGY (SUZHOU) CO LTD
Main nozzle structure of sectional type flange
The utility model discloses a main nozzle structure of a sectional type flange, which comprises a main nozzle structure and a heater arranged on the side portion of the main nozzle structure, and the main nozzle structure comprises a lower section main nozzle and an upper section main nozzle detachably connected with the lower section main nozzle. And a runner is arranged between the upper-section main nozzle and the lower-section main nozzle. The utility model has the beneficial effects that the main nozzle structure is divided into two sections, the lower section main nozzle can be used as a standard part, the diameter of the maximum excircle of the main nozzle structure is shortened by 70mm, the loss of raw materials can be greatly reduced, the cost is saved, and the standardization degree is improved; and due to customized processing, the processing difficulty is greatly reduced, the process is optimized, and the cost is reduced.
Owner:INCOE INT TRADING SHANGHAI CO LTD
Combined oil seal for adjusting screw
The combined oil seal comprises a hydraulic part and an oil seal body, the oil seal body comprises a supporting end cover and a sealing part, the supporting end cover is of a hard plate-shaped structure, a through hole is formed in the center of the supporting end cover, the sealing part is made of plastic nonmetal materials, a through hole is formed in the center of the sealing part, and the sealing part comprises an upper section and a lower section. The supporting end cover wraps the outer surface of the upper section of the sealing piece, the lower section of the supporting end cover is of a conical structure, the oil seal is arranged at the connecting position of the adjusting screw rod and the valve body in the hydraulic piece, and the adjusting screw rod and the valve body are assembled in an adjustable mode.
Owner:JIANGSU WODE HIGH TECH AGRICULTURAL EQUIPMENT CO LTD
Stop device
ActiveDE202025102353U1Building material handlingSolar thermal energy generationStops deviceUpper segment
Anchor device (1) to protect against falls, - with a base plate (11), - and with a stop post (2) comprising an upper segment (3), preferably having a stop eyelet (8) at its free end (7), and a lower segment (4) which is connected on the one hand to the upper segment (3) and on the other hand to the base plate (11), wherein the stop post (2) is designed to absorb part of the fall energy by deformation in the event of a fall, - and with at least one mounting connector (17) for connecting the base plate (11) to a profile rail (15) serving as a force-absorbing structure, wherein the mounting connector (17) is designed to be inserted into an open cross-section (30) of the profile rail (15) in order to introduce the transmission force remaining after absorbing part of the fall energy into the rail cross-section in the event of a fall, for which purpose the mounting connector (17) rests on a number of surfaces (22, 21, 25) of the profile rail (15) in the mounted state.
Owner:MEISSNER SICHERHEITSTECHN
Height difference testing fixture
The utility model belongs to the technical field of detection tools, and particularly relates to a height difference detection tool. The device comprises a shell, the shell is divided into an upper shell body and a lower shell body, the upper shell body and the lower shell body are connected through a bolt, two adjacent cavities and two measuring columns are arranged in the shell, the two measuring columns are arranged in the cavities respectively, the upper sections and the lower sections of the two measuring columns can stretch out of the shell, the upper sections of the two measuring columns are attached to each other, and the lower sections of the two measuring columns are attached to each other. And the distance between the lower sections of the two measuring columns is matched with a measured part. The utility model is used for solving the technical problem that the existing measuring tool cannot quickly and accurately detect whether the height difference of different parts after superposition welding or abutted seam welding meets the design requirement.
Owner:CHANGZHOU JUZEAR AUTOMOTIVE COMPONENTS CO LTD
Detection instrument for controlling plate thickness in construction process
The utility model discloses a plate thickness control detection instrument in a construction process, which comprises a sleeve and further comprises a tray with one end connected to the lower end of the sleeve; the limiting locking piece is connected to the upper end of the sleeve in a communicating manner; the measuring rod is sleeved in the sleeve; the spring is located in the sleeve, one end of the spring is connected with the measuring rod, and the other end of the spring is connected with the tray; wherein the upper section of the measuring rod is also provided with a graduated scale. The utility model has the advantages of simple operation, strong applicability, simple structure, convenient maintenance and strong durability, can effectively solve the error problem in the management of the construction process, reduces the probability and proportion of unqualified products, reduces the engineering cost risk, realizes the improvement of the construction precision and quality control, ensures the stability and reliability of the entity quality, and improves the construction efficiency. And a more practical and more accurate measurement result can be provided.
Owner:YUNNAN CONSTR INVESTMENT FIFTEENTH CONSTR CO LTD
Segmented staggered wind power lattice type tower
PendingCN121162460AWind motor supports/mountsWind energy generationClassical mechanicsMaterial consumption
The invention discloses a segmented staggered wind power lattice type tower which comprises a steel tower drum, conversion nodes and a lattice type tower body, the lattice type tower body comprises a lattice type tower body upper section and a lattice type tower body lower section, the lattice type tower body upper section is located in the range above a blade tip, and the lattice type tower body lower section is located in the range below the blade tip; the lower end of the lattice type tower upper section is inserted into the lattice type tower lower section, the lattice type tower upper section and the lattice type tower lower section are connected through a conversion web member, and the lattice type tower upper section and the lattice type tower lower section are arranged in a rotating and staggered mode. The lattice type tower body is divided into the upper section and the lower section which are arranged in a staggered mode, so that the section of the tower body can be rapidly expanded below the blade tip, the bearing efficiency is improved, meanwhile, non-through tower columns provide conditions for applying prestress of different levels in a segmented mode, the section of the upper section of the tower body is small, large prestress is needed, and the section of the lower section of the tower body is large. Only small prestress is needed, the prestress is applied according to needs, and meanwhile the material consumption of the prestress cable and the tower column is saved.
Owner:CHINA INST OF BUILDING STANDARD DESIGN & RES
Stacking device
The stacking device comprises a machine frame, a top plate, a plurality of first limiting rods and a plurality of second limiting rods, a to-be-stacked sheet top plate is installed on the top of the to-be-stacked sheet machine frame, a discharging opening is formed in the to-be-stacked sheet top plate, the first limiting rods of the to-be-stacked sheets are vertically arranged on the left front portion and the right front portion of the discharging opening of the to-be-stacked sheets respectively, and the second limiting rods of the to-be-stacked sheets are vertically arranged on the top of the to-be-stacked sheet machine frame. The multiple to-be-stacked piece second limiting rods are vertically arranged on the left rear portion and the right rear portion of the to-be-stacked piece discharging opening correspondingly, the lower sections of the multiple to-be-stacked piece second limiting rods are vertical, and the upper sections of the multiple to-be-stacked piece second limiting rods incline outwards from bottom to top correspondingly. The stacking device provided by the utility model can reduce the possibility of clamping stagnation of the elliptical sheets at the blanking port, can reduce the possibility that the aluminum sheets are scratched by the limiting rods, and has the characteristics of simple structure and easiness in manufacturing.
Owner:CHONGQINGWANJIANGLVCAI CO LTD +1
Lifting roller device applied to walking axle
The application discloses a lifting roller device applied to a walking shaft and used for supporting a drag chain, which comprises a plurality of roller mechanisms, the roller mechanisms are distributed at equal intervals along the upper end of the drag chain and used for supporting the bottom of the upper section of the drag chain, each roller mechanism comprises a support assembly, a rotating frame and two roller assemblies, the rotating frame is rotatably installed on the support assembly through a rotating piece, the two roller assemblies are installed on the rotating frame and are distributed at a 90-degree angle, when one roller assembly is arranged in the width direction of the drag chain and is used for supporting the bottom of the upper section of the drag chain, the other roller assembly is located on the side of the drag chain and is parallel to the upper section of the drag chain. The application effectively avoids the phenomenon that the drag chain is suspended and falls down, thereby avoiding the phenomena that the drag chain is rubbed, pulled and damaged, improving the stability and service life of the drag chain, and reducing the on-site maintenance cost.
Owner:SHANGHAI FANUC ROBOTICS
Auxiliary frame bushing
The utility model discloses an auxiliary frame bushing, and belongs to the technical field of automobile parts, the auxiliary frame bushing comprises an inner core, a rubber part and an outer sleeve, the inner core is provided with an inner hole formed along a central axis, the inner core comprises an upper section and a lower section which are coaxially connected up and down, the cross section of the upper section is of a rectangular frame structure, and a plurality of weight reduction grooves are formed in the top surface of the upper section; the cross section of the lower section is rectangular, the length of the upper section is larger than that of the lower section in the X-axis direction, the upper section and the lower section are in smooth transition, the outer sleeve is coaxially arranged on the periphery of the inner core in a sleeved mode, the inner wall face of the outer sleeve is matched with the outer surface of the inner core, and a gap exists between the inner wall face of the outer sleeve and the outer surface of the inner core. The rubber part partially wraps the outer surface of the inner core, the rubber part is partially lined on the inner wall face of the outer sleeve, and the inner core and the outer sleeve are connected through the rubber part in the X-axis direction. The hollow structure is designed to be in an asymmetric state, and a rigidity linear section is achieved.
Owner:JIANXIN ZHAO TECH CO LTD
Flettner type tilting rotary rigging
Owner:FARWIND ENERGY
Detachable cutter and food processor
The detachable cutter comprises a driving shaft in transmission connection with an output shaft, a cutter body and a mounting seat, the cutter body and the bottom of the mounting seat are riveted and fixed, an annular fixing groove is formed in the position, close to the top face, of the upper section of the driving shaft, and a sealing ring is arranged in the annular fixing groove. A plurality of limiting convex ribs deflecting in the circumferential direction are arranged in the middle section of the driving shaft, a mounting groove allowing the driving shaft to be inserted is formed in the bottom face of the mounting base, the mounting groove comprises a first cavity wall and a second cavity wall which are communicated, and the driving shaft is mounted in the mounting groove, and the first cavity wall is in matched transmission with the limiting convex ribs; the top of the driving shaft elastically abuts against the second section cavity wall in the radial direction through a sealing ring. The cutter body is detachably connected with the driving shaft through the mounting seat, so that the cutter body can be conveniently taken out after being used, and the cutter body can be thoroughly cleaned. The sealing ring provides a close-fitting hand feeling for the driving shaft and the mounting base, and it is ensured that the mounting base and the driving shaft are mounted in place. The mounting groove wraps the sealing ring and is not exposed, so that the risk that the sealing ring falls off is avoided.
Owner:ZHONGSHAN CITY KUAIMEITE ELECTRIC APPLIANCE CO LTD
Plant-based milk maker and blender, especially for home use
A plant-based milk maker and blender for the production of the plant-based milk includes two or three interconnected segments. In one version, the bottom segment is a base with the drive engine and the upper segment is a pitcher container with a rotatable lid. The base has a cylindrical coupling element in the upper part with incisions corresponding to incisions in a rotating blending part of the pitcher container. The pitcher container is equipped with the blending element coupled with a drive shaft operable at two different rotational speeds. In another version, the base is provided with one or more switch buttons, and a central segment contains a cylindrical chamber with a drain opening and a draining funnel on its circumference and in a cylindrical chamber there is a rotatable perforated drum and the drive shaft of drive engine of the base passes through the central segment of the drum.
Owner:DZIADON ANNA
Rapid in-place and leveling assembly for columnar component
The utility model relates to a rapid in-place and leveling assembly for a columnar component. Comprising an upper-section column body and a lower-section column body which are to be assembled, and further comprises guide plugs and guide slots which are respectively arranged at the assembling end parts of the upper-section column body and the lower-section column body, at least two guide slots are arranged on the side surface of the end part of the lower-section column body, the guide plugs are arranged on the side surface of the end part of the upper-section column body, and the side part projections of the guide slots and the guide plugs are V-shaped. When the upper-section column body and the lower-section column body are assembled, the guide plug is inserted into the guide slot, and the upper-section column body and the lower-section column body can be quickly centered under the influence of the V-shaped slot. When the hoisting device is used for hoisting, the component does not need to be operated, the performance of the component is not influenced, the hoisting device is not influenced by the size of the hoisted component, and compared with the existing hoisting modes such as bundle hoisting, holing hoisting and lug welding, the hoisting device has no damage to the workpiece and no influence on the structure, and the field working efficiency is improved.
Owner:MCC (SHANGHAI) STEEL STRUCTURE TECHNOLOGY CORP LTD
Water injection expansion type orifice sealer
The utility model provides a water injection expansion type orifice sealer, which relates to the technical field of fully weathered and strongly weathered granite curtain grouting orifice sealing grouting, and comprises a connecting cylinder, an internal water injection expander, an external water injection expander and a fixing component, the connecting cylinder comprises a first cylinder body and a second cylinder body which are communicated with each other, and an upper-section water injection hole and a lower-section water injection hole are formed in the connecting cylinder; the internal water injection expander is arranged in the first barrel and comprises upper-section water injection expansion rubber communicated with the upper-section water injection hole; the external water injection expander is arranged on the second barrel and comprises lower-section water injection expansion rubber communicated with the lower-section water injection hole; the fixing assembly is used for fixing the external water injection expander to the second barrel. The water injection expansion type orifice sealer can achieve the effects of rapid on-site assembly, smooth descending of a drill rod, low economic cost, excellent grout stopping effect, high durability and environmental protection.
Owner:FUZHOU UNIV
Electric power grounding pile for electric power engineering
ActiveCN223194019UClamped/spring connectionsConnection contact member materialPower engineeringConical cavity
The utility model discloses an electric power grounding pile for electric power engineering, which relates to the field of electric power engineering and comprises a conical pile body, the conical pile body is divided into an upper section and a lower section, the upper section of the conical pile body is in a closed cylindrical shape, and the lower section of the conical pile body is open. The lower section of the conical pile body is divided into four parts at equal angles around the axis of the conical pile body, a conical cavity is formed in the lower section of the conical pile body, a threaded groove is formed in the upper section of the conical pile body, the threaded groove and the conical pile body are concentrically arranged, the threaded groove communicates with the conical cavity, and a bolt is in threaded connection with the interior of the threaded groove. The diameter of the lower section of the conical pile body is larger than that of the upper section of the conical pile body, so that the conical pile body is not easy to pull out, the stability is high, a grounding wire always keeps good contact, the conductivity is good, and a good grounding effect can be achieved.
Owner:CHENGZHI (TIANJIN) NEW ENERGY TECHNOLOGY CO LTD
Novel rake type reinforced steam dryer
PendingCN120538272ADrying gas arrangementsDrying chambers/containersThermodynamicsMechanical engineering
The invention relates to a novel rake-type reinforced steam dryer, which relates to the technical field of dryers, and comprises a cylinder body, which has an inclined axis and is divided into an upper section and a lower section along the axis of the cylinder body; the upper section is fixed, and the lower section is rotationally and hermetically connected with the upper section; the top of the upper section is provided with a feed port and a dehumidification port, and the bottom end of the lower section is a discharge end; the lower section is provided with a first steam channel; the first steam channel is connected into external steam circulation from the bottom end of the lower section; the stirring structure is arranged in the cylinder body and is rotationally connected with the top end of the upper section; the first driving device is used for driving the stirring structure to rotate around the axis of the upper section; the second driving device is used for driving the lower section to rotate around the axis of the lower section. According to the drum-type steam dryer, clustered and caked materials are smashed through the stirring structure, and steam generated by heating of wet materials is discharged through the dehumidification opening formed in the drum body, so that the steam drying effect is fully improved, and the technical problem that the materials discharged by the drum-type steam dryer are clustered and caked materials containing a large amount of water is solved.
Owner:QINGDAO JIANENG HAINUO POWER EQUIP CO LTD
Detachable combined type inclined front support structure and construction method
The invention provides a detachable combined type inclined front support structure and a construction method. The detachable combined type inclined front support structure comprises an upper-section inclined front support, a lower-section inclined front support and a connecting section. The lower-section inclined front support is obliquely inserted below a bottom plate of a main body structure, the upper-section inclined front support is obliquely supported between the bottom plate of the main body structure and a coping beam of an enclosure structure, and the lower end of the lower-section inclined front support is coaxially and detachably connected with the upper-section inclined front support through a connecting section to form the detachable combined inclined front support. The invention relates to the technical field of civil engineering, and can solve the problems that in the prior art, an inclined front support is inconvenient to disassemble, low in efficiency, difficult to reuse and insufficient in bearing capacity.
Owner:SHANGHAI CONSTRUCTION GROUP CO LTD