76results about How to "Guaranteed diameter" patented technology

The invention discloses a device for correcting a well wall and enhancing a drill gauge protection effect through rolling. The device comprises a roller base (2) and a roller (4), wherein the roller base (2) is installed on a gauge-protection cutting surface of a drill (12) through a screw (1), the roller (4) is rotatably installed on the roller base (2) through a pin roll (3), the roller (4) is sleeved on the pin roll (3), and two ends of the pin roll (3) are installed on the roller base (2). The device has the advantages that the well wall is corrected through rolling, the friction between the roller and the well wall is reduced, the effective abrasion volume is increased, and the gauge protection effect is enhanced; simultaneously, a gauge protection unit can roll or roll and slide relative to the well wall and has well reaming and well wall smoothening functions, so that the well quality is improved; the reaction torque during drilling is reduced, and the drill stability is improved; and by the aid of the device, the well track is ordered, the reaction torque during drilling can be reduced in highly-deviated wells and horizontal wells, the drill rotation probability is reduced, the drill service life is prolonged, and the mechanical drilling speed is accelerated.

The invention provides an instrument holding mechanical arm used for a minimally-invasive robot, and relates to the instrument holding mechanical arm. The instrument holding mechanical arm solves the problems that the number of passive joints is large when an existing mechanical arm is arranged in a concentrated mode and the existing mechanical arm is large in overall size and low in rigidity when a passive arm is too long. The instrument holding mechanical arm comprises vertical horizontally-moving safety brake devices, passive joints, first joints, second joints and an integrated operative instrument drive device. One ends of the passive joints are arranged on the upper portions of the vertical horizontally-moving safety brake devices in a rotatable mode. One ends of the first joints are connected to the passive joints in a rotatable mode. One ends of the second joints are connected with the other ends of the first joints in a rotatable mode. The integrated operative instrument drive devices are arranged at the other ends of the second points. The instrument holding mechanical arm is used for operative instrument drive of the micro operative instruments of the robot.

The invention relates to an integrated surgical instrument drive device, in particular to an integrated surgical instrument drive device with a decoupling function so as to solve the problems that due to the arrangement mode of a drive motor of an existing surgical instrument, drive torque of joints is increased, a system shakes easily, and meanwhile translational motion of the surgical instrument is generally driven in a nut lead screw mode, which is unbeneficial for adjusting the position of the surgical instrument before an operation. The drive device comprises a power source assembly (A), a decoupling transition assembly (B), a connector assembly (C) and a plurality of winding wires (D). The power source assembly (A), the decoupling transition assembly (B) and the connector assembly (C) are sequentially staggered and stacked in a sliding mode from bottom to top, and connected through the winding wires (D) in a decoupling winding mode. The drive device is used for driving a surgical instrument of a robot surgical micro-instrument.

The invention discloses a device for manufacturing a porous release film, which comprises a workbench, a motor, a reduction box, side frames, a press plate and a pin plate, wherein the pin plate is arranged on the workbench; the pin plate is uniformly provided with a plurality of pins; the output shaft of the motor is connected with a belt pulley through a belt; the belt pulley is connected with the reduction box below the workbench through the main shaft; the auxiliary shaft of the reduction box is connected with rotating wheels on both sides below the workbench; the outer side of each rotating wheel is provided with a connecting rod which is eccentrically connected with the rotating wheel, and the connecting plate is arranged on the connecting rod; and both ends of the press plate are respectively connected with the upper end of the connecting plate. The invention solves the problems that high purchase cost of the porous release film, high enterprise load and environmental pollution of waste bag films in the prior art. The invention reutilizes the waste by recycling the vacuum bag films in the system, thereby saving the enterprise cost and increasing the waste utilization ratio.

The invention provides an attachment-to-wall concealed drilling-free blind flange well cementation device. The well cementation device comprises an upper pressing ring, a lower pressing ring and a blind flange pressed between the upper pressing ring and the lower pressing ring. A sliding sleeve is arranged on the inner side of the upper pressing ring and can move to the lower pressing ring from the upper pressing ring. The sliding sleeve is provided with a first position and a second position, wherein the first position is located above the blind flange, and the second position is used for clamping the broken blind flange between the sliding sleeve and the lower pressing ring when the sliding sleeve slides downwards to the lower pressing ring. The blind flange is broken through pressure build-up of a well mouth without lowering a drilling tool for removing the blind flange through drilling, and therefore well cementation completion operation time is shortened, and the well cementation completion operation cost is lowered; the broken blind flange is attached to and concealed in the inner wall of a casing string through the sliding sleeve, and therefore the drift diameter of the casing string is guaranteed, and it is effectively avoided that in the follow-up operation, fragments of the broken blind flange are hung on a production pipe column and block the production pipe column; the attachment-to-wall concealed drilling-free blind flange well cementation device is simple in structure, reliable in installation, convenient to use and low in cost.

The novel water conservancy detection equipment structurally comprises a filter cylinder and a supporting seat, wherein the top end of the supporting seat is welded to the bottom face, close to the left end, of the filter cylinder, the filter cylinder comprises a cylinder body, drainage pipes, a pushing mechanism, a pull rope and a filter net, the drainage pipes are installed in the middles of the two ends of the cylinder body respectively, and the pushing mechanism is sleeved with the cylinder body. According to the invention, the residual liquid in the filter cylinder is easy to form ice blocks, when the liquid is introduced into the filter cylinder again, the forward conveying speed of the liquid is slowed down due to the resistance of the ice blocks, and the ice blocks are impacted by the push plate of the pushing mechanism, so that the ice blocks are crushed, the forward conveying speed of the liquid is accelerated, the filtering speed of the liquid is accelerated, and the water quality detection time is shortened; and the impurities in the liquid are adhered to the inner wall of the cylinder body so as to reduce the diameter of the inner wall of the cylinder body, and the impurities on the inner wall of the cylinder body are removed through the removing block of the pushing block, so that the original diameter of the inner wall of the cylinder body can be kept, and free movement of the pushing mechanism is facilitated.

The invention provides a new type of "multi-stage serial shearing seat sealing ball" device, comprising: an upper hollow seat sealing ball, an upper hollow pressure transmission connecting rod; a middle hollow seat sealing ball, a middle hollow pressure transmission connecting rod; a lower solid seat a block ball; and a set of shear pins. The present invention is put into the ground; it falls downhole along with the oil pipe or casing, and reaches the position of the downhole sliding sleeve. In highly deviated well sections or horizontal well sections: pump the completion fluid or mud through the surface, and push the "multi-stage serial shear seat seal ball" to the position of the downhole sliding sleeve; then, pressurize the ground to open the downhole sliding sleeve . No need for steel wire work; no need for cable feeding; no need for coiled tubing work; no need for hydraulic control pipeline work outside the oil pipe, and the "multi-stage chain shear seat seal ball" can be used to continuously open or close multiple sliding sleeves in one trip, saving rig time. It can also replace the highly deviated well sections and horizontal well sections that cannot be reached by steel wires and cables, and can open or close multiple sliding sleeves continuously, saving costs. After opening or closing multiple sliding sleeves, the oil and gas in the tubing can be produced normally, which saves costs; there is no limit to the depth of entry and the flow rate of oil and gas wells.

The invention discloses a dihydroquercetin nano-emulsion, and a preparation method and application thereof. The dihydroquercetin nano-emulsion is prepared from the following raw materials in parts by weight: 1-20 parts of oil, 1-5 parts of emulsifying agents, 0.01-0.05 part of dihydroquercetin and 80-99 parts of water. The preparation method of the dihydroquercetin nano-emulsion comprises the following steps: S1, dividing water into two parts, mixing and stirring the first part of water and an emulsifier, and heating the second part of water to 100 DEG C to obtain boiled water; S2, preparing a primary crude emulsion; and S3, carrying out homogeneous reaction on the primary crude emulsion obtained in the step S2. The invention also discloses application of the dihydroquercetin nano-emulsion in a food structure modification base material. According to the invention, an antioxidant nano-emulsion is produced, so that the defects of poor water solubility and low bioavailability of the current dihydroquercetin are overcome.

The invention relates to a wire feeding mechanism having variable pressing force and used for a film plating machine. The wire feeding mechanism comprises a driving wheel, a pressing wheel, a motor, a bottom plate, a pressing plate and a pressing mechanism, wherein the driving wheel is mounted on the bottom plate, the pressing wheel is arranged above the driving wheel and mounted in the pressing plate, one end of the pressing plate is movably hinged with the bottom plate, and the other end of the pressing plate is connected with the bottom plate through the pressing mechanism; the pressing mechanism comprises a pressing handle, a sleeve and a pressing rod, the pressing handle is in spinning connection with the pressing rod through threads, a spring sleeving the pressing rod and used for adjusting pressing force is arranged in the pressing handle, the lower end of the pressing rod is rotationally connected with the bottom plate, the pressing force is changed by changing the position of the pressing mechanism, and the wire feeding stability and reliability are improved. The wire feeding mechanism can control the pressing force according to the diameter of wires and the thickness of a plated film and adjusts the wire feeding speed, and the stability and the reliability of wire feeding are improved.

The invention discloses a rewinding device for an aerogel composite coiled material and an operation method, and relates to the technical field of aerogel composite coiled material production. The rewinding device comprises an unwinding mechanism, a conveying mechanism, a dust collection mechanism, a winding mechanism and a transferring mechanism, wherein the unwinding mechanism comprises an unwinding support, a first roll shaft is fixedly installed on the upper side of the unwinding support, the conveying mechanism comprises a conveying support, a plurality of second roller shafts are fixedly installed on the upper side of the conveying support, a plurality of transmission assemblies are further fixedly installed on the upper side of the conveying support, the winding mechanism comprises a winding support and a winding roller shaft, one end of the winding roller shaft is fixedly installed on one side face of the winding support, and a pressing assembly and a discharging assembly are fixedly installed on the winding support. By arranging the conveying mechanism and the winding mechanism, the operation that an aerogel composite coiled material needs to be manually spread for heat dissipation and then manually wound in an existing production process is avoided, time and labor are saved, comprehensive inspection of a product is facilitated, and the production efficiency and the product quality are improved.

The invention relates to the technical field of pipe bending machining machinery, in particular to space pipe bending equipment. The space pipe bending equipment comprises a machine base, a bending mechanism located at one end of the machine base, a clamping mechanism located at the rear end of the bending mechanism, a propelling mechanism located at the rear end of the clamping mechanism, and a heating mechanism located above the bending mechanism and/or the clamping mechanism; a gap is formed between the bending mechanism and the clamping mechanism, an induction coil is arranged on the heating mechanism, and the induction coil is located in the gap; the bending mechanism comprises a moving device, and the moving device loads a pipe to be bent to move in the left-right direction relativeto the clamping mechanism; the propelling mechanism moves forwards on the machine base by adopting a screw rod and nut principle; and the pipe to be bent passes through the bending mechanism, penetrates through the induction coil and the clamping mechanism, and then is clamped on the propelling mechanism. According to the space pipe bending equipment, the traditional process of first welding and then bending is fundamentally changed, so that the hidden danger of a weld root in the bent pipe is avoided, an innovation of the technology in the field is achieved, and the important progress significance is achieved.

The invention relates to the field of seedling raising, in particular to cultivation equipment for quickly burying a seedling raising cup. The technical problem is how to provide the cultivation equipment for quickly burying the seedling raising cup, wherein the equipment does not need to consume a large amount of manual time and can dig a pit hole to satisfy the placement of the seedling raisingcup. The cultivation equipment for quickly burying the seedling raising cup comprises a mounting handle, a placing box and the like, wherein the placing box is arranged on the left lower side of the mounting handle. The mounting box is moved downwards by pressing the mounting handle downwards, and a soil pulling device pulls away the soil under the placing box, so that the equipment is simple in operation, does not need to consume a large amount of manpower to carry out pit excavation, and can ensure that the diameter of the soil pit pulled away each time is equal; and by starting a watering device to irrigate a seedling bag in the process of moving a transverse moving rod rightward, the manual operation time for burying and cultivating the seedling bag can be saved .

The invention discloses wastewater filtering equipment for stewing sanitary napkins. The structure of the wastewater filtering equipment comprises a machine body, a liquid inlet pipe, a residue discharge pipe and drainage pipes, the liquid inlet pipe is fixed to the top of the machine body, the residue discharge pipe is vertically welded to the center of the bottom face of the machine body, and the drainage pipes are arranged on the two sides of the machine body respectively. Wastewater contains a fiber material, the fiber material absorbs water, expands and adheres to drainage holes in a filter screen, a pushing mechanism swings under the thrust of liquid, the filter screen is impacted in the swinging process, the filter screen vibrates, and substances adhering to the inner wall fall off, so that blockage of the drainage holes of the filter screen is reduced, the wastewater drainage speed is increased, and the wastewater filtering speed is further increased; and due to the fact that the outer wall of the push block is an uneven surface, a small amount of substances are prone to remaining on the outer wall of a push block, a removing roller in the clamping groove is movably matched with the push block, a scraping block removes the substances remaining on the outer wall of the push block, the diameter of the outer wall of the removing block can be kept, and the speed of the removing block entering a filter screen drainage hole can be increased.

The invention discloses a slope protection structure by using a plant growing rope to conduct karst side slope nursing. The slope protection structure comprises a side slope (1) needing nursing. The plant growing rope (2) made of a weaving rope is placed on the side slope (1), a soil engineering net (3) is covered above or below the plant growing rope (2), and the plant growing rope (2) is connected onto the soil engineering net (3). The plant growing rope is paved on a slope where vegetation regeneration is required to be conducted. The plant growing rope is used for preventing artificial soil sprayed on the slope and a nutrition matrix containing seeds from falling from the slope, providing an attaching platform for attaching the artificial soil and the nutrition matrix containing the seeds to a palisades slope, well guaranteeing unfolding of roots when the plant grows, and laying a good foundation for growing of the plant. The plant growing rope is made of a grass-nature weaving rope, preferentially a hemp rope, therefore preventing effect is improved, production cost is reduced, and the diameter of the plant growing rope can be guaranteed. Compared with a plant growing plate, the plant growing rope has good flexibility and can be attached to the slope closely, and the preventing effect on the artificial soil is improved.

The invention relates to the technical field of building construction, and discloses a construction method of a full-bonding support anchor rod. The construction method of the full-bonding support anchor rod comprises the following operation steps of 1, leveling a site; 2, manufacturing the anchor rod; 3, positioning the position of the anchor rod; 4, preparing a drilling machine; 5, digging a mudpit; 6, enabling the drilling machine to be in place; 7, drilling by the drilling machine; 8, mounting the anchor rod; 9, carrying out hole opening slurry supplementing and secondary grouting; and 10, carrying out tensioning. According to the construction method of the full-bonding support anchor rod, in the support anchor rod construction under the unfavorable geology of silty clay and the like,the phenomena of hole collapse and necking in the anchor rod hole forming process can be effectively avoided, and it is guaranteed that the diameter of an anchor hole meets the design requirement; and the plumpness of cement paste in an anchor rod formed hole is completely guaranteed through the mud replacement technology and the secondary grouting technology, the full length of the support anchor rod is fully bonded with cement mortar, it is guaranteed that an anchor rod body makes full contact with a soil body, the bonding friction resistance between the anchor rod body and the soil body isenhanced, and therefore the foundation pit supporting strength is guaranteed.

The invention relates to a large-volume soap dispenser capable of being mounted on a sink. The large-volume soap dispenser is composed of a connecting sleeve, a pressing head, a linear bearing, a liquid soap pump, a liquid soap pipe, a liquid soap bottle and a sealing pad, wherein two small gaps are arranged at the inner side of an upper opening part of the connecting sleeve, the gaps are clampedby adopting thin steel sheets or coins, the connecting sleeve is rotated, an external threaded pipe is arranged at the lower part of the connecting sleeve, the connecting sleeve passes through a roundhole of the sink to be connected with internal threads of the opening of the liquid soap bottle, and the liquid soap bottle adopts a flexible bag; and the linear bearing is arranged in the pressing head, so that the sliding performance with the connecting sleeve is increased. For the soap dispenser, the liquid soap bottle adopts the flexible material, meanwhile, during the mounting process, the self-rotation is not needed, and therefore, super-large-volume liquid soap bottles of various shapes can be adopted; the internal threads of the opening of the liquid soap bottle can be taken as a locking nut for connecting of the soap dispenser with the sink, and the structure is simple; and due to the linear bearing, the eccentric pressing operation of the pressing head can be realized.

The invention discloses a high-yield planting method for high-quality citruses. The method comprises the following operation steps that (1) a rare earth solution is diluted by 10-15 times and then sprayed when young citrus fruits are expanded; (2) when fruits begin to be colored in late October, 2-3 citruses are picked from each autumn shoot, cleaned, cut up and put into a fermentation tank, thenlivestock and poultry manure of 8-10 times of the mass of the citruses is added, mixing and stirring are carried out uniformly, after a compound microbial agent is added into the mixture, closed fermentation treatment is performed for 25-30 days, and an organic fertilizer is obtained; (3) a fertilization hole with the length of 0.2 meter, the width of 0.2 meter and the depth of 0.4 meter is dug under each citrus tree, 2-3 kilograms of the organic fertilizer is added in each fertilization hole, and then back filling is carried out. The provided high-yield planting method for the high-quality citruses is simple to implement, green and environmentally friendly, and can effectively improve the yield and quality of the citruses.