74results about How to "Easy to make on site" patented technology

The invention relates to a manufacturing method of cable butt joints, in particular to a manufacturing method of butt joints of elongated cables for geotechnical engineering instruments. The manufacturing method includes steps of cable roughening, use of an inner thermal-shrinkage sleeve, fitting use of self-adhesive tape and use of an outer thermal-shrinkage sleeve. The manufacturing method of the butt joints of the elongated cables for the geotechnical engineering instruments has the advantages that materials are easy to be prepared, manufacturing is simplified and in-situ manufacturing of joints for engineering is easy to realize, and is quite suitable for manufacturing the joints of the elongated cables for the geotechnical engineering instruments on sites. Besides, the cable butt joints manufactured by the manufacturing method are compact in structure and high in water pressure resistance and reliability.

The invention provides a structure and method used for improving compressive strength of a pressure type anchor cable cement grouting body. The structure and method are used for solving shortcomings in the prior art. According to the pressure type anchor cable cement grouting body, a spiral reinforcing frame is added in the position, within the range of 1 to 3 m above a pressure bearing plate, inthe cement grouting body, the thread pitch of the spiral reinforcing frame is 20 to 60 mm, the spiral reinforcing frame is composed of multiple longitudinal ribs and spiral ribs wound outside the longitudinal ribs, the bottom of the spiral reinforcing frame is fixed to the pressure bearing plate, grouting is carried out in an anchor cable hole through a primary grouting pipe and a secondary grouting pipe to form the grouting body, and the grouting body completely wraps the spiral reinforcing frame. According to the anchor cable structure, the compressive strength of the cement grouting body can be at least improved by one cement mark, and the aims that it is ensured that the grouting body within the range of 1 m to 3 m above the pressure bearing plate meets the design needs, and is not crushed, reliability of the grouting body is improved, the designed cement mark is reduced, and the engineering cost is reduced.

The invention discloses a circular grating eccentricity parameter calibration method of a flexible arm coordinate measuring machine and belongs to the precision measuring method field. The method comprises the following steps of firstly, based on a D-H model, establishing a mathematical model of the flexible arm coordinate measuring machine; then, based on a wolf group algorithm WPA and a least square method LM, designing a fusion optimization algorithm and a wolf group-least square fusion optimization algorithm WPA-LM; and finally, using the designed wolf group-least square fusion optimization algorithm WPA-LM to calibrate an eccentricity parameter of a circular grating. The fusion optimization algorithm combines advantages of a high wolf group algorithm WPA global search ability and a fast least square method LM convergence speed so that the eccentricity parameter of the circular grating can be optimized efficiently and accurately, and the method is used for parameter calibration. Calibration accuracy is high, efficiency is high, and external equipment is not needed. Cost is low, operation is simple, and calibration and correction on site can be conveniently realized.

The invention discloses composition and application of a low-temperature and hydration synergistic low-heat early-strength cement slurry system. The low-heat early-strength cement slurry system is prepared from the following components in parts by weight: 100 parts of oil well cement, 70-100 parts of a low-hydration-heat active cementing material, 3.2-6.3 parts of a hydrated calcium silicate-polycarboxylic acid ether nano composite early strength agent, 1.8-5.4 parts of a low-temperature activator, 0.7-1.3 parts of a fluid loss agent, 0.3-0.6 part of a dispersing agent, 0.2-1.0 part of a defoaming agent, 15-20 parts of hollow glass beads and 60-92 parts of water. According to the cement slurry system, on the basis that a low-hydration-heat-activity cementing material is selected, the hydrated calcium silicate-polycarboxylate ether nano-composite early strength agent and the low-temperature activating agent are adopted and have a synergistic effect, and the compressive strength of set cement in the curing period is jointly promoted; and the cement slurry system has the characteristics of being small in hydration heat release, high in early strength and the like, and meanwhile, has the advantages of adjustable density, adjustable thickening time, good rheological property, low filter loss, short setting waiting time and the like, is suitable for well cementation of ocean deepwater surface layers and hydrate layers, and lays a solid foundation for development of ocean oil and gas resources.

The invention discloses a crosslinked cable hot melting connector which is used for the protection layer connecting the cable and the cable arranged in the protection layer. The crosslinked cable hotmelting connector comprises a connecting group and a sheath group. The sheath group wraps outside the connecting group. The connecting group comprises a melting body which is used for connecting the internal conductor of the cable in a melting way, an internal semi-conductive layer which wraps outside the melting body and the conductor and an insulator. The internal semi-conductive layer is connected with a conductor shielding layer. The insulator wraps outside the internal semi-conductive layer. The insulator is externally connected with a cable insulating layer. According to the crosslinkedcable hot melting connector, the connecting group is used for connecting the cable and the sheath group is used for connecting the protection layer so as to realize double-layer protection; the connecting group can keep great conductivity so as to avoid cable breakdown caused by electric field stress concentration; and the shielding paint layer is arranged on the insulator so that the situation ofcable arc breakdown can be avoided, the external semi-conductive layer is connected with the galvanized copper mesh layer so that the whole cable insulating shielding is enabled to be completely andreliably recovered. The cable connector can be manufactured onsite so that operation is convenient, the cost is low and the cable connector is suitable for popularization.

The invention discloses an adjustable sizing block, comprising a steel wire check ring, a locking block, a locking bolt, a base, spanner holes, a nut sleeve and a groove face top block. The steel wire check ring is arranged in the groove face top block, and the nut sleeve is arranged on the base. Four spanner holes are uniformly distributed along the circumference of the nut sleeve (only one is drawn in the figure) so that the nut sleeve can be rotated by a matched spanner to ascend or descend a slotted surface press block. When the nut sleeve is rotated to an ideal position, the locking bolt is rotated by using the other end of the matched spanner to tightly press the locking block on the thread part of the sleeve, wherein the inner face of the locking block is provided with screw threads with the same specification as that of the sleeve, thereby the slotted surface press block is prevented from gliding downwards due to workpiece vibration or other conditions. In order to fix the base with a boring mill worktable, the two sides of the base are provided with elongated slots for installing T-shaped bolts.

The invention discloses a thin-wall hollow pier pouring connecting structure and a construction method thereof. The connecting structure comprises pier reinforcing steel bars connected in sections, alower frame body connected to the lower portions of the pier reinforcing steel bars, an upper frame body connected to the upper portions of the pier reinforcing steel bars, a set of formwork connectedto the middles of the pier reinforcing steel bars, and a template connected to the outer sides of the reinforcing steel bars bound with the reinforcing steel bars. The template comprises an inner template and an outer template, and the outer side of the outer template is connected with a platform plate and a fence. Through the arrangement of the upper frame body, the lower frame body and the positioning holes used for positioning the pier reinforcing steel bars in the upper frame body and the lower frame body, the pier reinforcing steel bars can be preliminarily laterally limited under the large frame; through the arrangement of the formwork, pier steel bars can be accurately positioned, and the formwork can also be used as a construction platform, so that the operation of constructors isfacilitated; by means of off-site binding and positioning of segmented pier steel bars, staged construction is facilitated, construction efficiency is improved, and construction accuracy is improved.Through the arrangement of the platform plate and the connecting component, safe and convenient construction of constructors is facilitated.

The invention introduces a tool for fixing a grinding ring for a high-pressure flange sealing face. The tool is characterized by comprising an inner fixing tray component, an outer fixing tray component and a connecting screw rod component, wherein the inner fixing tray component comprises an inner fixing tray, cushioning blocks, fixing bolts with nuts and a central nut I; the outer fixing tray component comprises a cross bracket, fine adjustment bolts, a stay bolt with a nut and a central nut II; and the connecting screw rod component comprises a connecting screw rod and a back-pressure nut. The tool has the following beneficial effects: field fabrication is facilitated; fixing of the grinding ring in the grinding process of the sealing face can be effectively guaranteed; the influence of dead weight of the grinding ring on the grinding process is eliminated; the grinding accuracy of the sealing face is ensured; grinding of the sealing face is well completed without electric tools on site, so that the equipment, technical and labor costs are lowered; convenience is brought for personnel to operate; and meanwhile, physical output of personnel in the operating process is reduced.

The invention discloses complete equipment for preparing liquefied consolidated soil from waste residue soil and a construction method of the complete equipment. The complete equipment comprises a screening device, an ingredient conveying device, a material storage device, a material conveying device, a stirring device, a finished product material temporary storage bin, a pumping device, a finished product material conveying pump and a control device. The discharging end of the screening device is connected with the feeding end of the ingredient conveying device. The discharging ends of the ingredient conveying device and the pumping device are both connected with the feeding end of the stirring device, the discharging end of the stirring device is connected with a feeding port of the finished product material temporary storage bin, a discharging port of the material storage device is connected with a feeding port of the material conveying device, and a discharging port of the material conveying device is connected with the ingredient conveying device. The finished product material conveying pump is connected with a discharging port of the finished product material temporary storage bin through a pipeline, and the screening device and the ingredient conveying device are arranged in a radial offset mode. In general, the complete equipment for preparing the liquefied consolidated soil from the waste residue soil and the construction method of the complete equipment have the advantages of being convenient to use, accurate and stable in metering, small in operation difficulty, short in construction period and good in construction quality.

The invention discloses a preparation method of functional natto food and belongs to the technical field of health care food. The method is characterized by including the following steps: weighing a certain amount of natto, adding diluting components 0.5-10 times the weight of the natto, performing mixing and performing crushing; then adding konjaku flour which is 0.5%-5% of total weight and Jerusalem artichoke powder or bamboo salt which is less than or equal to 2wt%; performing crushing while stirring till a creamy state; and performing freeze-molding, performing packaging and performing storage at a temperature of minus 18 DEG C. According to the invention, the problems of the ammonia taste and fermentation flavor of the natto, not good sticky lines and not being accepted by people aresolved. Not only the taste but also the nutritional value is improved. The food is convenient for eating and conditioning and nutrients do not lose in the conditioning process. Products provided by the invention are relatively ideal functional natto food.

The invention discloses a portable cable terminal manufacturing support. The support comprises four bases, four adjustable supporting legs, a crossed telescoping connecting body, a cable workbench anda cable chuck, the lower ends of the adjustable supporting legs are connected with the bases, the upper ends of the adjustable supporting legs are connected with the cable workbench through bolts, the cable chuck is fixed on the cable workbench, four ends of the crossed telescoping connecting body are respectively connected with the four adjustable supporting legs, and two rotation connecting bodies with bolt holes are both partly connected with the cable chuck through bolts. According to the support, the defect of the manufacture of a conventional cable terminal is overcome, the work efficiency is improved, and the manufacturing time is reduced.

The invention discloses a capacitance tomography sensor which comprises a flexible electrode assembly, a fixing component, an insulation isolation layer and an outer shielding cover. The flexible electrode assembly comprises an array type electrode and a flexible carrier, and the array type electrode is fixed along the inner circumferential wall of the flexible carrier. The fixing component is detachably mounted on the outer peripheral wall of the flexible carrier, so that the array type electrodes are detachably enclosed on the outer peripheral wall of a tested object to perform capacitance test on fluid in the tested object. The insulating isolation layer is detachably fixed on the outer peripheral wall of the fixing component. The outer shielding cover is detachably fixed on the outer peripheral wall of the insulating isolation layer. The capacitance tomography sensor provided by the invention can be detachably mounted, and is very convenient to manufacture on site, so that the testefficiency is improved, and the test cost is reduced. Each part in the sensor can be replaced, so that the maintenance of the sensor is facilitated, and the use cost is also reduced.

The invention discloses a virus detection device for a potato. The virus detection device comprises a grinding mechanism and a testing mechanism, wherein the grinding mechanism is mounted at an upperpart of the testing mechanism; the testing mechanism comprises a main box, the main box is provided with a first accommodating cavity of which periphery and the upper part both are opening, and a virus detection test strip for the potato can be placed in the bottom of the first accommodating cavity; the grinding mechanism comprises a grinding box, a grinding cover and a grinding pestle, the grinding box is provided with a grinding cavity of which the upper part is opening, the grinding cover is mounted on the grinding cavity, the grinding cover is provided with a through hole, and the grindingpestle is arranged in the through hole through penetration; the grinding mechanism also comprises a clapboard and a filtering hole arranged on the clapboard, the clapboard is located in the middle ofthe grinding cavity, and the filtering hole is communicated with the first accommodating cavity. The detection device provided by the embodiment of the invention is convenient for on-site preparationof filtrate, has no need of taking too many test tools and is portable.

The invention relates to the technical field of dewatering construction, in particular to a dewatering well plugging drainage device and a construction method. The construction method comprises the following construction steps that backfilling is conducted in the precipitation well, redundant underground water is pumped, a plugging sleeve is installed at the top of the precipitation well, the plugging sleeve is fixedly connected with a pouring belt through a water stop ring, and a first plugging steel plate is installed in the plugging sleeve; in the process of installing the first plugging steel plate, water is continuously pumped in the dewatering well through a water pump, the water pump is removed, concrete is poured in the upper side area of the first plugging steel plate, a second plugging steel plate is installed at the top of the plugging sleeve, and the airtightness of plugging of the bottom of the dewatering well is detected. According to the construction method, plane operation is changed into three-dimensional operation, the problems of urgent surge in the precipitation well plugging process and underground water leakage in the later period are reduced, the quality of the plugged precipitation well is improved, and it can be guaranteed that engineering construction is completed on schedule during various emergency construction periods and basement three-dimensional operation.

The invention discloses a steel-structure horizontal sliding guide rail oil scraping device and a construction method thereof. The oil scraping device comprises a sliding rail, a sliding shoe connected to the sliding rail, a locking device connected to the sliding rail and in the opposite direction of forward moving of the sliding shoe, a hydraulic cylinder connected between the sliding shoe and the locking device and an oil scraping mechanism connected to the bottom of the sliding shoe and connected with the sliding rail, the oil scraping mechanism comprises a fixed base connected with the sliding shoe, a set of oil scraping parts connected to the outer side of the fixing base, and a connecting plate connected between the oil scraping parts, due to the fixing base, connection with the sliding shoe is facilitated, along with moving of the sliding shoe, uneven coating oil on the rail particularly the side face of the rail can be scraped in front of the locking device, through an oil scraping box, an oil scraping piece and an adjusting rod can pass through a mounting space, the connecting plate on the oil scraping box can position mounting accuracy of the oil scraping piece, throughthe adjusting rod, the device can adapt to different rail sizes, and on the other hand, mounting replacing and repeated use can be facilitated.

The invention relates to a high-voltage line iron tower energy-gathered blasting method. The high-voltage line iron tower energy-gathered blasting method comprises the following steps of determining notch positions on four angle steel supporting legs of an iron tower according to the actual condition of the high-voltage line iron tower; energy-gathered blasting devices are manufactured and filledwith explosives; an initiating detonator extends into a charging barrel from one end of the charging barrel and is fixed by an adhesive tape; and the energy-gathered blasting devices are installed atthe notches, and all the notches are detonated at the same time. The method is suitable for emergency demolition of the high-voltage line dangerous tower, potential safety hazards existing in other demolition modes are eradicated, safety guarantee is provided, the technical difficulty of large metal component cutting is lowered, the blasting material source is wide, the manufacturing cost is low,and field manufacturing and installation are convenient.

The invention belongs to the field of steel bar bending equipment and tools, and specifically relates to a labor-saving steel bar bending tool capable of controlling a bending angle and a method. Thelabor-saving steel bar bending tool capable of controlling the bending angle comprises a rotary bending mechanism, wherein the rotary bending mechanism comprises a rotating shaft, a rotating rod is arranged on one end of the rotating shaft, the rotating rod is perpendicular to the rotating shaft, two limiting rods are arranged on the other end of the rotating shaft, the two limiting rods are symmetrically arranged, the two limiting rods and the end surface of the rotating shaft form a C-shaped notch which is used for clamping a to-be-bent steel bar, two bearings are arranged on the rotating shaft, and the two bearings are fixedly installed on a base by virtue of bearing seats. The labor-saving steel bar bending tool has the advantages of the simple structure, convenience in field fabrication and low cost, and the problems of time consumption, labor consumption and potential safety hazards when temporary and scattered steel bars are manually bent due to no condition of a steel bar processing plant or due to the limitation to the distance to the steel bar processing plant on site are specifically solved.

The invention discloses a disk cable jacking bracket device, which comprises two riser jacking devices and a metal shaft, wherein the riser jacking devices are arranged symmetrically on both sides of a cable disk; the metal shaft passes through the center of the cable disk, and the two ends of the metal shaft are erected on the riser jacking devices; each riser jacking device comprises a base placed on a horizontal plane, a seamless riser which is fixed on the base and is vertical to the base, a jack arranged below a movable supporting seat, and an attached reinforcing rod piece arranged between the base and the riser; the seamless riser comprises a first riser and a second riser; the movable supporting seat is sleeved on the first riser and the second riser. The disk cable jacking bracket device has the advantages of simple structure and convenience for field manufacturing and transportation; during use, the cable is erected, and an operator stands on the ground and pulls the cable to drive the cable disk to rotate, so that the cable can be wound and unwound easily, and great labor force is saved; the riser is provided with bolt holes, so that the use requirements of cable disks of different sizes can be met, the turnover working efficiency is increased, the service life of the cable is prolonged, and the construction cost is lowered.