30results about How to "Easy to drill down" patented technology

The invention discloses an extraction and purification technology of four kinds of flavone C-glycosides in moso bamboo leaves. The active ingredients of moso bamboo leaves are extracted by a heat reflux extraction process, and the best extraction technology for obtaining four kinds of flavone C-glycosides through a single-factor experiment and an orthogonal experiment comprises the following steps: extracting with 75% ethanol for 2h at 70 DEG C according to a solid-liquid ratio of 1:20, and repeatedly extracting for 4 times; purifying the crude extract of flavone by use of macroporous resin, wherein D101 macroporous resin is the best choice according to comparison of static saturated adsorption capacity and desorption capacity; and further purifying the component by use of polyamide resin, wherein the particle size of the polyamide resin is 0.15-0.25mm according to the comparison of the dynamic adsorption screening results of three common kinds of polyamide resin, and a 40% ethanol solution is adopted for purifying the four kinds of flavone C-glycosides. Through the treatment, the final purity of the four kinds of flavone C-glycosides bamboo leaf flavone powder reaches 76.939mg.g<-1>.

The invention relates to a valve end cover drilling device. The valve end cover drilling device comprises a machine frame and a drilling motor; a vertically-downward drill bit is installed on the drilling motor; a vertically-arranged driven rod is slidably connected to the machine frame, a compressed spring is arranged between one end of the driven rod and the machine frame, the driven rod is fixedly connected with a transverse plate, the drilling motor is installed on the transverse plate, and the machine frame is provided with a reciprocating mechanism which is used for enabling the driven rod to move in a reciprocating mode; a first groove wheel rotationally connected to the machine frame is arranged under the drill bit and provided with a fixture used for clamping a valve end cover; the machine frame is rotationally connected with a first rotary disc, the first rotary disc is fixedly connected with a first driving rod, and a first pin shaft capable of being inserted into a radial groove formed in the first groove wheel is fixedly connected to the first driving rod; a linkage mechanism is connected between the reciprocating mechanism and the first rotary disc; and the reciprocating mechanism is connected with a driving mechanism enabling the reciprocating mechanism to work. Through the scheme, automation rotating of the valve end cover is achieved, and the drill bit drills aplurality of uniformly-distributed threaded holes in the valve end cover.

The invention provides a soil stratified sampling device for hydrogeological survey which comprises a supporting fixing plate and a motor, the center of the supporting fixing plate is hollow, a motor positioning clamp is integrally mounted in the supporting fixing plate, the motor is fixedly mounted in the motor positioning clamp in a limiting manner, and a sampling mounting pipe is mounted at the output end of the lower end of the motor through a connecting ring; a plurality of sampling assemblies are mounted in the sampling mounting pipe in a penetrating manner. According to the sampling device, soil of different layers can be sampled in a classified mode through the sampling assemblies, and simultaneous collection is achieved. Compared with the prior art, the situation that multiple times of repeated treatment are needed due to the fact that only one kind of soil can be sampled at a time is avoided; and the position of the supporting fixing plate can be slid through a movable assembly, so that personnel can drill soil conveniently, and compared with the prior art, the problem that deviation is caused by position deviation due to the fact that no supports are arranged on the two sides is effectively solved.

The invention discloses a high-temperature antioxidant multi-layer composite coating on the surface of a carbon-based material and a preparation method of the coating. The multi-layer composite coating is arranged on the surface of a carbon-based material matrix and comprises a Re transitional layer, an Ir coating and an Ir-Al coating which are sequentially arranged from bottom to top. The preparation method comprises the following steps: treating the carbon-based material to obtain the carbon-based material matrix; then, depositing the Re transitional layer; then, preparing the Ir coating on the Re transitional layer by a fused salt electroplating method; and then alumetizing solid powder to obtain the high-temperature antioxidant multi-layer composite coating on the surface of the carbon-based material. The multi-layer composite coating disclosed by the invention is good in antioxidant dispersity and strong in inoxidizability, and can realize high-temperature antioxidant protection of the carbon-based material. The preparation method is simple in process, quick in deposition velocity and strong in adaptability to matrix shape, and the coating is uniform in thickness.

The invention discloses a urine detection device and method. The urine detection device comprises a urine detection assembly. The urine detection assembly comprises a feeding module, a conveying module and a data obtaining module, wherein the feeding module comprises a storage box, the storage box is provided with a plurality of test paper boxes, the test paper boxes contain urine detection test paper, the storage box is provided with a test paper box outlet, the conveying module drives the test paper boxes output from the outlet of the storage box to move so as to achieve urine sampling or urine detection data obtaining or discharging, and the data obtaining module is used for obtaining urine detection data of urine detection test paper soaked with urine in the test paper boxes. The device can automatically complete test paper box feeding, urine sampling, urine detection data obtaining, and is high in automation degree and working efficiency, more intelligent, low in overall cost, high in practicability and easier to popularize.

The invention discloses a soil remediation sampler for stratified sampling of soil. The invention relates to the technical field of soil remediation. The soil remediation sampler for stratified sampling of soil comprises a sampling main cylinder, an air groove is annularly formed in the inner side wall surface of the sampling main cylinder, an inner cylinder is arranged on the inner side of theair groove; an extrusion transmission groove is annularly formed in the side wall of the top of the inner side of the inner cylinder; according to the soil remediation sampler for stratified samplingof soil, after Sampling is finished, a lower rod is controlled by control equipment to be lifted up; therefore, an extrusion block on the gas control equipment ascends and extrudes the interior of the inner cylinder to extrude gas above the extrusion block; the air groove, the extrusion transmission groove and an inflation groove are used for conducting, so that the air above the extrusion blockis impacted and extruded into a closed air bag on a closed device, the closed air bag is inflated and expanded to be reset and closed, and the effect of completely taking out sandy soil is achieved.

The invention discloses a tidal-flat water quality detection and sampling device. By the coordination of a twist rod and a rotor, drilling down and lifting of a rotary sleeve are achieved, and an appointed-depth water sample can be separated from a mixed water sample generated during the lifting. The tidal-flat water quality detection and sampling device is characterized in that a water suction pipe is arranged at the bottom of the rotary sleeve and communicated with the rotary sleeve, the water suction pipe is made of rigid materials, the outer side of the water suction pipe is provided witha plurality of hexagonal-prism-shaped protrusions made of iron materials, the outer side of the rotary sleeve is provided with thread teeth, heating pieces are arranged on the thread teeth, one end ofa fixed tube is arranged in the rotary sleeve, the other end of the fixed tube penetrates out of the top of the rotary shaft, a protective pad is arranged between the outer wall of the fixed tube andthe rotary sleeve, the protective pad sequentially comprises a rubber layer and a sponge layer from bottom to top, the inner wall of the fixed tube is provided with a thread, one end of a telescopicrod is slidably arranged in the other end of the fixed tube, and a holding rod is arranged at the other end of the telescopic rod.

The invention discloses a deep-layer soil fertilizing device for directly promoting soil remediation. The device comprises a top plate and an inner-layer pipe; the outer wall of the top of the top plate is fixedly provided with a mounting plate through bolts, the outer wall of the top of the mounting plate is fixedly provided with a controller and a switch through bolts, the outer wall of the topof the top plate is fixedly provided with a first motor through bolts, a gear disc is welded to an output shaft of the first motor, a hollow threaded rod is in threaded connection with the center of the outer wall of the top of the top plate, the outer wall of one side of the threaded rod is provided with a thread, and the specifications of the thread are matched with those of the gear disc. According to the device, the pressure of a drill bit on soil per unit area is increased through a conical arc-surface structure, staggered teeth of different specifications can crush the soil at differentlevel heights around the drill bit, at the same rotation speed, the rotation speed of the inner-layer pipe gets slow, so that the inner-layer pipe and a threaded pipe are misaligned, through holes areexposed, and fertilizer liquid can be splashed out through the through holes in the rotation process.

The invention discloses a fire-fighting robot which comprises a wheel type chassis, a mechanical arm assembly arranged on the wheel type chassis and a fire extinguisher installed at the tail end of the mechanical arm assembly. The mechanical arm assembly comprises a rotating platform arranged on the wheel type chassis and a mechanical arm arranged on the rotating platform; the mechanical arm comprises a front arm, a rear arm, a front arm driving hydraulic cylinder and a rear arm driving hydraulic cylinder; the fire extinguisher is fixedly mounted at the front end of the front arm; according to the fire-fighting robot, the rotating platform and the pitching mechanical arm are adopted to drive the fire extinguisher nozzle to face any direction, large-range 360-degree all-directional fire fighting can be achieved, and high-efficiency fire extinguishing in the maximum range is achieved with the minimum movement of the robot body.

The invention relates to the field of drilling, in particular to drilling mechanical equipment. The equipment comprises a top base, a circular ring, a pressing piece, an oil cylinder III and a drilling pipe, and can facilitate downward pressing drilling of the drilling pipe. The drilling pipe is vertically connected to the top base in a sliding mode, the oil cylinder III is fixedly connected to the upper side of the top base, an oil cylinder III is rotatably connected to the upper end of the oil cylinder III, the circular ring is arranged on the lower side of the oil cylinder III and located at the upper end of the drilling pipe, and the drilling pipe is composed of a plurality of sections of split bodies which are sequentially connected through threads. The drilling mechanical equipment further comprises transverse strips, H-shaped frames, right connecting rods, transverse rods and rotating seat blocks, wherein the H-shaped frames are arranged on the left and right respectively, the upper portions of the two H-shaped frames are hinged to the left end and the right end of the top base respectively, the transverse strips are arranged in front and back respectively, the right ends ofthe two transverse strips are hinged to the front side and the rear side of the H-shaped frame located on the left side, the right ends of the two transverse strips are fixedly connected with the transverse rods correspondingly, and the front side and the rear side of the H-shaped frame located on the right side are rotatably connected with the rotating seat blocks correspondingly.

The invention provides a drilling tool, a pile forming device and a pile forming construction method for a displacement pile and relates to the technical field of building construction. The drilling tool comprises a cylindrical drill pipe, wherein along the length direction of the drill pipe, a forward spiral blade and a backward spiral blade are disposed on two sections of the drill pipe; and theforward spiral blade and the backward spiral blade surround the outer circumferences of the drill pipe and extend along the length direction of the drill pipe. The pile forming device comprises a concrete conveying mechanism, a first driving mechanism, a second driving mechanism and the drilling tool, wherein the concrete conveying mechanism communicates with the drill pipe by a pipeline; and thefirst driving mechanism and the second driving mechanism are connected to the drill pipe. The pile forming construction method for the displacement pile applies the drilling tool or the pile formingdevice. The drilling tool, the pile forming device and the pile forming construction method provided by the invention relieve the technical problem in the prior art that a turning direction of a spiral blade disposed on a pipe body of a drill pipe in a drilling tool used for construction of a displacement pile can only facilitate drilling of the drill pipe into the ground, and the turning direction of the spiral blade cannot facilitate upward rotation and pulling of the drill pipe during upward lifting of the drill pipe.

The invention discloses a granary temperature measurement cable coil assembling device based on a connecting rod structure. The device comprises a shell. Two sets of driving structures are arranged inthe shell in a bilateral symmetry mode, and a coil assembling rack connected with a temperature measurement cable is arranged between the two sets of driving structures; one set of driving structurecomprises a driving motor, a driving wheel driven by the driving motor, a first driven wheel connected with the driving wheel through a transmission rod, and a second driven wheel in transmission connection with the first driven wheel through a belt; the second driven wheel is coaxially connected with a rubber roller tightly attached to the coil assembling rack, an auxiliary rod connected with thetransmission rod is arranged between the transmission rod and the coil assembling rack, the auxiliary rod is parallel to the transmission rod, and a tooth-shaped structure II matched with the coil assembling rack is arranged on the side, close to the coil assembling rack, of the auxiliary rod; and rotating directions of the driving wheels of the two sets of driving structures are opposite. In theinvention, operation convenience is good, a coil assembling speed is high, and semi-automatic coil assembling of a granary temperature measurement cable can be realized; and a coil assembling processis good in stability, accurate in positioning, simple in overall structure and low in cost, and an application prospect is possessed.

The invention discloses an agricultural and sideline product transaction management system, which comprises a supply end, a server end and a user end, and is characterized in that the server end comprises an auditing module, a product release module, a transaction management module and an after-sales service module, and the product release module comprises a product first-level display unit, a product second-level display unit and a product third-level display unit. According to the invention, multidirectional intercommunication between the supply end and the user end is established, the saleschannel of the supply end is expanded, and the selection range of the user end is increased. The product quality of the supply end is audited through the auditing module, so that the product qualityand safety are ensured; the identity information of the supply end and the user end is audited to ensure the safety and reliability of the transaction. By arranging the product first-level display unit, the product second-level display unit and the product third-level display unit, the product can be conveniently and deeply displayed by the supply end, the display space of the product is increased, the display of product advantages and characteristics is facilitated, the sales of the supply end is facilitated, and meanwhile, the detailed understanding of the user end on the product is increased.