48results about How to "Avoid backfill" patented technology

The invention discloses a miniature soil hydrologic monitoring system suitable for a high-heterogeneity karst sloping field. The miniature soil hydrologic monitoring system comprises a miniature region, a miniature interflow collecting system and a miniature direct surface runoff collecting tank. The miniature interflow collecting system is inserted below a sloping soil profile rock-soil interface below the sloping field miniature region for collecting interflow above the rock-soil interface; the miniature direct surface runoff collecting tank is inserted at the position of a sloping soil profile, which is close to the earth's surface for collecting direct surface runoff. The bottom surface of angle steel of the miniature direct surface runoff collecting tank is in contact with the top surfaces of an aluminum-plastic panel and a thin aluminum panel in the miniature interflow collecting system, and the miniature direct surface runoff collecting tank and the miniature sloping field region are fixed together through screws at two sides. According to the miniature soil hydrologic monitoring system, direct surface runoff and interflow of the miniature sloping field region can be simultaneously measured, the difficulty that the soil hydrologic process is monitored on the high-heterogeneity karst sloping field is solved, and a platform is provided for researches on aspects of the hydrologic process, the soil and nutrient loss principle, the karst process and the plant water adaptive mechanism in such karst sloping field.

The invention discloses a user information backfilling method and a device. The method comprises steps of acquiring a signaling transmitted by a first interface/a signaling transmitted by a second interface; according to the signaling transmitted by the first interface/the signaling transmitted by the second interface, generating a keyword, and establishing a mapping relation between the keyword and a user fixed identity identifier; and acquiring a signaling transmitted by a third interface, according to the signaling transmitted by the third interface, generating a keyword, searching the mapping relation according to the keyword generated based on the signaling transmitted by the third interface so as to obtain a corresponding user fixed identity identifier, and backfilling the obtained user fixed identity identifier through searching to the signaling transmitted by the third interface, wherein the third interface is an interface between an MME and a base station. In the way, a problem of the difficulty in acquiring of the user information during backfilling of the user information in the prior art can be solved.

The invention discloses a multifunctional rape transplanter. The multifunctional rape transplanter comprises a vehicle frame and a trailer frame, wherein the trailer frame is mounted at the rear side of the vehicle frame, an operating system, a traveling system, a fertilizing system, a watering system, a pot seedling tray rack and a box moving system are mounted on the vehicle frame, a rotary-tillage furrowing system, a hole digging system, a seedling pulling, conveying and falling device and a soil covering and compacting system are mounted on the trailer frame, the rotary-tillage furrowing system, the hole digging system and the soil covering and compacting system are sequentially mounted from front to back, a seedling guide cup of the seedling pulling, conveying and falling device is arranged between the hole digging system and the soil covering and compacting system, the fertilizing port of the fertilizing system is arranged at the front side of the rotary-tillage furrowing system, the water outlet of the watering system is arranged at the rear side of the soil covering and compacting system, and the pot seedling tray rack is connected with the pot seedling outlet of the box moving system and the entrance of the seedling pulling, conveying and falling device. The multifunctional rape transplanter is simple in structure, convenient in use, simple to process and manufacture and good in economical efficiency.

The invention discloses a portable electric fertilizing machine. The portable electric fertilizing machine comprises a drill bit, a handle, a driving motor, a motor driver and a movable power supply, wherein the root part of the drill bit is assembled on a middle transverse plate of the handle; a fixing bolt hole for fixing a reducer is formed in the middle transverse plate of the handle; the root part of the drill bit is connected with a direct current motor through the reducer; the direct current motor is connected with the motor driver through a power cord; and the motor driver is connected with the movable power supply. Compared with ditching fertilizing machines, the portable electric fertilizing machine has the advantages that the hole-drilling and soil-breaking volume is small, the required power and energy consumption are low, the size of the whole portable electric fertilizing machine is small, and the weight of the whole portable electric fertilizing machine is light, so that the vehicle-mounted hole-type electric fertilizing machine can be applied to orchards, tea gardens and mulberry fields that the ordinary ditching machines cannot enter, as well as other environments; and compared with other hand-held gasoline engine-driven hole-drilling machines, the portable electric fertilizing machine has the characteristics of small vibration, low noise, no tail gas pollution, easiness in startup, portability, convenience for control and the like.

The invention provides a pile foundation blasting protection device, and relates to the technical field of blasting protection. The pile foundation blasting protection device comprises a base, movable rods, a top plate, a buffer plate, a moving assembly and a first buffer assembly, four first through holes are formed in the base, the four movable rods are installed in the four first through holes correspondingly, and the top ends of the movable rods are fixedly connected with the top plate; the buffer plate slidably penetrates through the movable rods and is provided with a protective skirt, the moving assembly is installed on the lower surface of the base, the first buffer assembly comprises a first spring, the movable rods are sleeved with the first spring, the top end of the first spring is connected with the buffer plate, the lower surface of the buffer plate is provided with an offset cone, and the base is provided with a second through hole; and the second through hole corresponds to the offset cone. According to the technical scheme, the pile foundation blasting protection device has the beneficial effects that the protection effect is good, and backfilling is avoided.

The invention discloses a construction device for pile splicing of an existing pile foundation in soil. The position of the existing pile foundation and the pile top elevation are determined, and thepile top exceeds the concrete placing height; a manual hole digging manner is adopted to carry out soil excavating, and a brick shaft lining is arranged; excavating to the placing exceeding portion ofthe existing pile foundation is achieved, laitance breaking of the placing exceeding portion is achieved, breaking is carried out until the fresh dense concrete is achieved, and it is ensured that the main rib length exposing of the existing pie foundation meets the requirement; the bit expansion type is adopted in the manual hole digging pile end; a pile supplementing portion steel reinforcementcage is put down, and is welded with the existing pile foundation main ribs; the pile supplementing portion concrete is poured and is sufficiently subject to compaction vibration. The device solves the construction problem of pile splicing of the existing pile foundation below the ground, compared with the traditional treatment method, the large-area soil excavating, earthwork backfilling and concrete pouring amount can be reduced, the protection for the foundation soil can be greatly formed, safety and reliability are achieved, and the construction cost is reduced.

A device for facilitating the transplantation of a potted plant. The flora transplanting device includes a container having an open upper end, open lower end, and an intermediate surrounding side wall therebetween. The lower end can puncture a soil surface, allowing the flora transplanting device to be inserted into the soil by pressing on the upper end. The lower end is serrated to facilitate insertion of the device into the soil. Graduation marks are present on the outside of the surrounding side wall of the device to indicate insertion depth. In operation, the soil circumscribed by the device is removed and a plant is placed therein. The flora transplanting device supports the surrounding soil while the plant is inserted into the device to ease the process of planting. In some embodiments, the upper end of the device forms a handle to ease removal of the device from the soil.

The invention relates to the technical field of construction, and discloses a vertical jacking construction method for a tunnel inclined shaft entering a main tunnel. The method comprises the following steps that step one, a rectangular pilot tunnel is excavated when the inclined shaft is excavated to a certain distance away from the main tunnel; step two, a cuboid support is built in the rectangular pilot tunnel within the range of the main tunnel; step three, an arched support is built; and in the later step, excavation of a vault of the whole main tunnel part is completed through cyclic transposition jacking of two sets of jacks while excavation is conducted, and meanwhile independent supporting for the vault of the main tunnel is formed. According to the vertical jacking excavation method, traditional construction processes such as pilot tunnel climbing are abandoned, another path is found, main horizontal excavation is changed into main vertical excavation, the temporary supporting amount is reduced, and waste is avoided; and after excavation, a surrounding rock area of a three-fork joint section can be reserved, the expanding excavation problem is basically avoided, and large-mass concrete backfilling and large-scale use of complex supporting structures are also avoided.

The invention discloses a whirling well outer wall template construction method. The whirling well outer wall template construction method includes an earth excavation step, a drilling and installingstep, a reinforcing steel bar installing step, a first template installing step, an embedded part arrangement step, a concrete pouring step, a second opposite pulling water stop screw welding step anda second template fixing and pouring step, wherein the drilling and installing step includes: using a drill bit to drill holes in a rock base layer on a retaining wall, setting the drilling intervalas y mm*y mm, setting the drilling depth to be larger than or equal to 100 mm, and installing expansion bolts in the holes after the holes are cleaned up, and the embedded part arrangement step includes: embedding embedded parts according to the following mode of setting the transverse interval as z mm and setting the lengthways interval as z mm in construction of reinforced concrete retaining wall bars or installation of a first template. A 200 mm thick reinforced concrete structure designed through the whirling well outer wall template construction method not only can be used as a whirling well foundation pit retaining wall, but also can be used as a template on the outer side of the tapered well wall of a whirling well, thereby achieving double benefit, and the retaining wall template is simple, efficient and quick to construct, and furthermore the whirling well outer wall template construction method improves construction quality of the well wall of the whirling wall, and shortensthe construction period of the whirling well.

The invention discloses a double-row yam harvester, and belongs to the technical field of yam harvesting machinery. The double-row yam harvester comprises a suspension frame, a main rack, a gear box and an intermediate ditcher, a fertilizer soil pusher and a double-side vibrating soil shaker which are arranged on the main rack from front to rear in sequence; the intermediate ditcher comprises a chain wheel supporting beam, a ditching chain driving chain wheel, a ditching chain driven chain wheel and a yam center seam ditching chain, the ditching chain driven chain wheel is arranged at the lower end of the chain wheel supporting beam, and the upper end and lower end of the yam center seam ditching chain are in meshed connection with the ditching chain driving chain wheel and the ditching chain driven chain wheel respectively; the fertilizer soil pusher comprises a pair of symmetrically arranged auger shafts; the double-side vibrating soil shaker comprises a pair of yam bottom vibratingbreak shovel hinge structures and an eccentric rotating mechanism, the two yam bottom vibrating break shovel hinge structures comprise a vibrating shovel hinge bracket and a vibrating shovel respectively. The double-row yam harvester has the advantages of high harvesting efficiency and small damage to yams.

The invention discloses a rapid pit digging device for Chinese torreya planting and a rapid pit digging method thereof, and relates to the related technical field of Chinese torreya planting equipment. The rapid pit digging device for Chinese torreya planting comprises a platform capable of moving on the ground, wherein a fixing frame capable of achieving lifting is installed on the side surface of the platform through a hydraulic rod, one end, away from the platform, of the fixing frame is provided with a pit digging mechanism used for digging and stabilizing planting pits and a soil shifting mechanism, the pit digging mechanism comprises a rotating rod, a fixing plate used for installing the rotating rod is arranged in the fixing frame, the pit digging mechanism further comprises a plurality of pit digging sheets hinged to the outer wall of the rotating rod, and the soil shifting mechanism comprises a rotating disc sleeving the outer wall of the rotating rod; a shifting sheet is arranged on the edge of the rotating disc, a limiting groove is formed in the outer wall of the rotating rod in the center axis direction, and the inner wall of the rotating disc is slidably connected with the limiting groove in an inserted mode through an integrally-arranged limiting block. Through cooperative use of the devices, digging of the planting pits can be more convenient and efficient, the planting pits can be adjusted as required according to the size of Chinese torreya, and human intervention is not needed.