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66results about How to "Effective fixation" patented technology

Single-action double-pipe coring overburden drill tool for air down-the-hole hammer

The invention relates to a single-action double-pipe coring overburden drill tool for an air down-the-hole hammer. The single-action double-pipe coring overburden drill tool comprises a central coring drill tool and an overburden drill tool. The central coring drill tool is a single-action double-pipe coring drill tool and comprises a single-action vibration reduction mechanism, an inner pipe adjusting mechanism and a coring mechanism with a bayonet device; the single-action vibration reduction mechanism comprises an impact connector, a disc spring, a bearing block, a connecting shaft, a thrust ball bearing and a radial ball bearing; the inner pipe adjusting mechanism comprises a connecting shaft, a core pipe connector, an inner pipe and a nut; the coring mechanism with the bayonet device comprises an outer pipe, an inner pipe, a connecting shaft, a core pipe connector, a coring drill bit, a rolling needle, a pawl spring seat and a pawl spring; the overburden drill tool comprises a casing, a casing connector, a casing shoe, a clamp ring and a casing drill bit. The single-action double-pipe coring overburden drill tool for the air down-the-hole hammer is applicable to relevant fields such as geological mineral exploration and engineering geological survey for complex formation with loose sand, cobbles, gravel, fracture, breakage and the like.
Owner:江苏省南京工程高等职业学校

Pipe orifice grinding device for metal pipe machining

The invention belongs to the technical field of metal pipe machining, particularly relates to a pipe orifice grinding device for metal pipe machining. Aiming at the problems that a fixing mechanism ofa traditional pipe grinding device is simple and the fixing effect is general, the following scheme is provided, the pipe orifice grinding device comprises a workbench with legs welded at four corners at the bottom, a pipe fixing mechanism and an adjusting polishing mechanism are mounted on the two sides of the top end of the workbench correspondingly, the pipe fixing mechanism comprises a sliding plate slidably connected to the workbench and second stand columns welded to the two ends of the top of the sliding plate, a first stand column is welded to the other side of the workbench, and fixing supporting rings are welded to the top end of the first stand column and the top end of one of the second stand columns and rotationally connected with extending ends. Through mutual cooperation among the arranged fixing ring, the arranged threaded abutting rod and the arranged arc-shaped pressing plate, the metal pipe can be effectively fixedly grinding, and the situation that the grinding quality is affected due to shaking in the grinding process is prevented.
Owner:佛山市凝烁机械设备有限公司

Sargassum horneri seaweed bed human-induced restoration device and restoration method thereof

The invention provides a sargassum horneri seaweed bed human-induced restoration device which comprises a secondary reef, an intermediate incubator and a primary reef, wherein the intermediate incubator comprises a protection body and a base; a cylindrical groove is formed in the center of the top surface of a base; the diameter of the protection body is the same as the diameter of the secondary reef and the inner diameter of the groove of the base; the secondary reef is arranged between the protection body and the base by virtue of the intermediate incubator; and the shape of the primary reef refers to two asymmetric triangular inclined surfaces which are connected with each other and are provided with connecting bolts and permeable holes. The invention also provides a sargassum horneri seaweed bed human-induced restoration method. The method comprises the following steps: performing seedling collection on the secondary reef, performing workshop cultivation, then cultivating in the intermediate incubator with a low tidal region between tides, fixing the secondary reef on the primary reef, and throwing into the seabed target restoration position. According to the device and method disclosed by the invention, the healthy and strong degree of seedlings can be enhanced, the probability of seedling removal is effectively reduced after the seedlings are put into the sea, and the survival rate of the seedlings at the seabed is improved; and moreover, the secondary reef is convenient to mount and detach, and even if the secondary reef is put into the seabed along with the primary reef, the secondary reef can be manually taken down, and later tracing observation is conveniently realized.
Owner:MARINE BIOLOGY INST OF SHANDONG PROVINCE

Integrated fixing device for olecranal fracture

ActiveCN105193484AAvoid stimulationSolve the problem that requires secondary surgery to removeInternal osteosythesisFastenersBiocompatibility TestingEngineering
The invention discloses an integrated fixing device for an olecranal fracture. The integrated fixing device comprises a banded knitted part and a rope bolt, wherein one end of the banded knitted part is connected with the tail end of the rope bolt; the other end of the banded knitted part is connected with a traction needle; the rope bolt is arranged in an olecranal fracture part for connection; and the banded knitted part is pressed on the olecranal fracture part and is tightened and fixed. The integrated fixing device has excellent biocompatibility; stimulation of implants to the implanted part is avoided; the difficulty that the implants need to be taken out by a secondary operation is avoided; the banded knitted part has relatively low elasticity modulus; blood supply of the fixed part is effectively protected when efficient fixation is provided; the postoperative pain of a patient is reduced; the recovery cycle of the patient is shortened; the banded knitted part provides an effective fixing mode for the slight comminuted olecranal fracture; and in addition, 'minimally invasive idea' is introduced, so that the problems that a previous surgery is complicated in operation, large in wound, serious in post operational pain and local stimulation and the like are solved.
Owner:SHANGHAI KINETIC MEDICAL

Adsorbent for removing trace halides in gas as well as preparation method and application thereof

The invention relates to an adsorbent for removing trace halides in gas as well as a preparation method and application thereof. With respect to the adsorbent for removing the trace halides in the gas, the active sites of the adsorbent are metal silver particles, and the carrier is nitrogen-modified microspheric activated carbon, wherein the load amount of silver is 0.1-2.0wt%. The preparation method comprises the steps of: 1, suspending and copolymerizing partial chloroethylene and acrylonitrile to obtain a polymer spherule; 2, carbonizing the polymer spherule; and 3, introducing a silver compound precursor into the microspheric type active carbon carrier through an isopyknic immersion method to obtain the adsorbent for removing the trace halides in the gas. The special structure of the microspheric type composite material is beneficial to the mass transfer and heat transfer in an adsorption process and also beneficial to the dispersion and stabilization of adsorption active sites, i.e. the metal silver particles. The adsorbent can be used for efficiently removing the trace amount of halogenated hydrocarbons, i.e. chlorinated matters, brominated matters and iodo matters of C1-C4 alkane, in the gas by using a fixed bed adsorption method.
Owner:JIANGSU SOPO CHEM

Machine tool for easy tapping of tube body

The invention provides a machine tool for pipe body tapping, which relates to the electromechanical field. The machine tool for pipe body tapping includes a bed body, the bottom of the bed body is fixedly connected with support legs, the top of the bed body is fixedly connected with two fixed blocks, and the sides of the two fixed blocks are provided with push screws The threaded ends of the two push screw rods both pass through the fixed block and extend between the two fixed blocks. Two clamping blocks are arranged between the two fixing blocks, and the sides of the two clamping blocks that are far away from each other are fixed The first bearing is connected, and the threaded ends of the two push screw rods are located between the two fixing blocks and are fixedly sleeved with the first bearing. This machine tool is convenient for pipe body tapping. The transmission motor drives the rotation of the main gear and the transmission gear, so that the slider can move horizontally to the left inside the chute. Carry out positioning tapping, effectively improve the accuracy of tapping and improve the tapping efficiency.
Owner:王之韵

Photoelectric composite sea cable repairing joint

The present invention discloses a mending joint of photoelectric complex of submarine cable, which comprises a barrel and cover plates arranged on two ends of barrel. The submarine cable passes through the cover plates and is jointed in the barrel. Each cover plate is provided with a sealing fixing piece. A group of conductive tension rods which is electrically connected with the sealing fixing piece is installed between the sealing fixing piece and the barrel. The submarine cable in the barrel is provided with two inner barrels which cooperate with each other. A two-component resin is provided in the two inner barrels. The external surface of barrel is provided with an optical cable joint package. The optical cable is connected with the optical cable joint package through the barrel. The two-component resin is provided in the optical cable joint package. The mending joint according to the invention has the advantage that two ends of submarine cable are fixed as the sealing fixing piece is installed. The disconnection of joint of submarine cable under external force function is prevented. The electric connection between the armoured steel wires at two ends of submarine cable is ensured through the installation of conductive tension rod. As an optical cable joint package is provided, the optical fiber is connected with the joint package through the barrel and guarantees the electric connection of optical cable. The installation of double-component resin has the functions of corrosion prevention and waterproof sealing.
Owner:宁波东方电缆股份有限公司

Optical fiber strength testing method

The invention belongs to the technical field of optical fiber testing, and particularly relates to an optical fiber strength testing method which comprises a bottom plate with supporting legs welded to the four corners of the outer wall of the bottom, side plates welded to the outer walls of the two sides of the bottom plate, a table plate welded to the outer walls of the opposite sides of the side plates, and a limiting end plate fixedly installed at the middle end of the table plate, the two ends of the limiting end plate are slidably connected with a fixed end block and a pulling block correspondingly, arc-bottom notches and arc-bottom short grooves which are distributed at equal intervals are formed in the top end of the fixed end block and the top end of the pulling block correspondingly, and the arc-bottom notches and the arc-bottom short grooves are distributed in a staggered mode. According to the invention, through the arrangement of the arc bottom notch, the arc bottom short groove, the arc bottom insertion end and the short insertion pin, effective fixation processing of an optical fiber is realized in the mutual matching process; through the trapezoidal auxiliary blocks arranged on the sides, opposite to the arc bottom notch and the arc bottom short groove, of the arc bottom insertion end and the short insertion pin, the optical fiber fixing stability can be effectively improved, and therefore it is guaranteed that testing operation is conducted smoothly.
Owner:深圳市远昌电子有限公司

Light emitting diode and preparation method thereof

The invention provides a light emitting diode and a preparation method thereof. A circuit board and a heat conducting seat are provided. The circuit board comprises an insulating plate, a metal layer arranged on the lower surface of the insulating plate, at least one electrode layer arranged on the upper surface of the insulating plate and a through hole passing through the circuit board. The metal layer of the circuit board or the heat conducting seat is provided with solder, and the circuit board and the metal layer thereof are welded on the heat conducting seat; and a light emitting diode chip is arranged on the heat conducting seat through the through hole of the circuit board, and the light emitting diode chip is electrically connected to the electrode layer of the circuit board by a metal wire. By taking advantage of the fact that the heat expansion coefficient of the solder is similar to the heat expansion coefficients of the circuit board and the heat conducting seat and that the solder is not easily worsened to lose adhesion effect, the circuit board and the heat conducting seat can be effectively fixed.
Owner:林志泽

Tree seedling fixing and correcting device with irregular watering function and used for tree planting

The invention discloses a tree seedling fixing and correcting device with an irregular watering function and used for tree planting. Aiming at the problem that tree seedlings have dependence on watering due to regular and quantitative watering every day, thus being extremely not conducive to the growth of the tree seedlings, the invention proposes the following scheme that the tree seedling fixingand correcting device comprises a fixing frame; a fixing plate is connected onto each of the outer walls of two sides of the fixing frame in a snap manner; the top end of each of the two fixing plates is fixedly connected with a transverse plate; the outer wall of one side of each transverse plate is fixedly connected with a spraying box; the outer wall of one side of each spraying box is fixedlyconnected with spraying pipes distributed equidistantly; and the outer wall of the top part of each transverse plate is fixedly connected with a water storage tank. According to the tree seedling fixing and correcting device, under pushing of a piston plate, the air pressure of one end of a connecting pipe is reduced; the atmospheric pressure presses water stored in the water storage tank into the spraying boxes; such irregular watering simulates raining of nature, so that trees seeking out water sources in uncertainty and trying hard to take root are likely to cultivate, and such trees can adapt to severe environments, and thus, the trees grow better.
Owner:陆燕

Repair joint of photoelectric composite sea cable

The invention discloses a photoelectric composite submarine cable repair joint, which comprises a cylinder and cover boards arranged on two ends of the cylinder, the submarine cable penetrates the cover boards and jointed in the cylinder, the cover board is provided with an airproof fixation piece, a set of electricity conductive drawbars electrically connected with the airproof fixation piece is arranged between the airproof fixation piece and the cylinder, the submarine cable in the cylinder is provided with two mutual assorted inner cylinders, a double components resin is arranged in the two inner cylinder, the outer surface of the cylinder is provided with an optic cable joint package, the optic cable is connected with the optic cable joint package through the cylinder, a double components resin is arranged in the optic cable joint package, the invention has the advantages that: due to the setting of the airproof fixation piece, two fault ends of the submarine cable is fixed, the cutting of the submarine cable in the joint position under an outside force action is avoided; the setting of the electricity conductive drawbars ensures the electric communication between the jacket steel wire of the two submarine cable fault ends; due to the setting of the optic cable joint package, the optic cable is connected with the optic cable joint package through the cylinder and ensures the electric communication of the optic cable; the setting of the double components resin plays the role of anti-corrosion, waterproof, and airproof.
Owner:宁波东方电缆股份有限公司

Method for preparing Al-Fe-V-Si heat-resistance aluminum alloy parts by using electron beam selective melting technology

The invention discloses a method for preparing Al-Fe-V-Si heat-resistance aluminum alloy parts by using an electron beam selective melting technology, and belongs to the technical field of electron beam welding. A crucible, a mold or a powder cover are not needed to prepare in the preparation process of the method, and meanwhile, such middle heat machining procedures as hot extrusion and forging are saved, so that the preparation process is simple, the cost is lower compared with such traditional preparation methods as spraying deposition and powder metallurgy, the production efficiency is high, and the development period of alloy products can be greatly shortened; metal components with any complicated shapes can be prepared; the shapes and the internal structures of the components can betotally controlled; and the personalized customization can be performed according to actual demands. After alloy parts are machined, no or less machining and aftertreatment are needed, so that both manpower and material resources are saved; and unmachined and redundant alloy powder can be recycled to achieve high material utilization rate.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD

Leakage test clamp for exhausting manifold

ActiveCN106404315AEffective fixationConvenient ventilation side leakageMeasurement of fluid loss/gain rateEngineeringLeakage test
The invention relates to a leakage test clamp for an exhausting manifold. The leakage test clamp comprises a clamp body, the middle portion of the clamp body is provided with a cushion block, four sealing rings are mounted on the cushion block, cylindrical pins are mounted in the upper left and right ends of the cushion block respectively, and the rear end of the cushion block is provided with a pipe joint; the upper rear part of the clamp body is provided with two No.1 clamping and fixing devices, and the upper front part of the clamp body is provided with a No.1 clamping and fixing device and a No.2 clamping and fixing device; and a shoe plate is arranged beside the rear side of the cushion block, the shoe plate is provided with jack screws in a threaded manner, a support is arranged beside the front side of the cushion block, the support is provided with a screw in a threaded manner, and the rear end of the screw is provided with a plug. On the basis that the exhausting manifold is positioned in two points, the exhausting manifold is fixed and compressed, and the is sealed via the sealing rings and the glug. further, ventilation and leakage test can be realized conveniently. In addition, the leakage test clamp is convenient to use and adjust, and the airtightness detecting effect is better.
Owner:HENAN FEILONG WUHU AUTOMOBILE PARTS

Warp knitting transverse moving device and warp knitting machine

The invention discloses a warp knitting transverse moving device and a warp knitting machine. The warp knitting transverse moving device comprises a faceplate and guide bars, the cross section of the faceplate is in a ring shape with different outer diameters, the ring shape is evenly divided into x transverse rows in the circumferential direction, and x is larger than or equal to 2 and smaller than or equal to 8; and at least two slopes are formed between the adjacent transverse rows on the outer surface of the faceplate. By adopting the structural design, a gradually gentle slope is designed and used for buffering and enabling the guide bar to move step by step, instability caused by the large span can be avoided, high precision and stability of the warp knitting machine in the fabric production process can be achieved easily, continuous production of the machine can be protected easily, and high speed of the machine can be realized.
Owner:江苏苏美达纺织有限公司

Foundation pit support device for road construction

The invention belongs to the technical field of road construction, and particularly relates to a foundation pit support device for road construction. Based on the problems that most traditional foundation pit support devices are simple in structure and common in support effect, the following scheme is proposed: the foundation pit support device comprises a mounting base; a main box body is fixed to the outer wall of the top of the mounting base through bolts; a material opening is formed in one side of the main box body; a servo motor is fixed to the outer wall of the top of the main box bodythrough bolts; and an output shaft of the servo motor is connected with a rotating column through a coupler and the rotating column is rotationally connected with the main box body. The warning effectof the device at night can be effectively improved, and the warning and protection effects of the device are improved; through the arrangement of a rocker, a threaded rod can be driven to rotate, andunder the limiting effect of a limiting sliding groove and a sliding block, a moving block is driven to effectively fix the device through a needle inserting rod; and inverted fork thorn rods distributed at equal intervals are arranged on the needle inserting rod, so that the fixing effect of a tube can be effectively improved.
Owner:李好宣

PVA (polyvinyl alcohol)-base medical antibacterial composite film

The invention relates to the technical field of PVA (polyvinyl alcohol) composite films, particularly a PVA-base medical antibacterial composite film. The PVA-base medical antibacterial composite film comprises a PVA film layer and a PVA nonwoven fabric layer which are mutually compounded, wherein the PVA film layer is a blown film. According to the PVA-base medical antibacterial composite film, the PVA nonwoven fabric layer is compounded outside the PVA film layer; and the PVA nonwoven fabric is utilized to effectively fix the liquid pollutants by utilizing the characteristic of high porosity, thereby effectively protecting the PVA film layer from being dissolved by the liquid pollutants.
Owner:常州绿之源高分子材料有限公司

Fixed base for electromechanical engineering

The invention belongs to the technical field of electromechanical engineering, and specially relates to a fixed base for electromechanical engineering. Most of traditional electromechanical fixed bases are simple in structure and poor in flexibility in use; presented here are solutions, the fixed base comprises a fixed round seat and a cylinder seat; a fixed cylinder rotationally connected with the cylinder seat through a bearing is welded to the top end of the fixed round seat, a cavity is formed in the bottom end of the fixed round seat, a lifting moving mechanism is installed in the cavity,a fixed mechanism is installed on the cylinder seat, and the lifting moving mechanism comprises a rotating plate and a fixed annular plate welded to the circumferential inner wall of the cavity. According to the invention, the conical teeth can be driven to rotate through a turntable; through speed reduction transmission, an operator can easily drive a threaded cylinder to rotate, and due to thefact that the lifting plate cannot rotate under the limiting effect of a limiting rod, the lifting plate can only move up and down, then a steering wheel can be conveniently retracted and released, and the fixed base can be conveniently fixed.
Owner:丁潘豪

Paint spraying device for processing electronic product

The invention belongs to the technical field of electronic product processing, particularly relates to a paint spraying device for processing an electronic product, and aims to solve the problems thatthe traditional paint spraying device is simpler in structure and poorer in paint spraying uniformity. According to the scheme, the paint spraying device comprises a top plate and a base, wherein four corners of the bottom of the base are welded with landing legs; stand columns are welded on the four corners of one side, opposite to the top plate, of the base; a rotary bearing mechanism is mounted on the base; a feeding mechanism and a lifting mechanism are mounted on the top and the bottom of the top plate separately; the rotary bearing mechanism comprises a fixed ring and a fixed bottom ring fixed on the base through a bolt; and a ring supporting plate is welded on the annular inner wall of the bottom end of the fixed ring. Through the rotary bearing mechanism, the paint spraying devicedrives a sheet metal plate waiting for paint spraying to rotate, so that paint spraying is more uniform; and through mutual cooperation of the fixed bottom ring, the ring supporting plate, an annulargroove and balls, the rotating stability of a bearing table can be improved.
Owner:株洲广锐电气科技有限公司

Method for preparing thiol functionalized mesoporous bamboo charcoal materials

The invention discloses a method for preparing thiol functionalized mesoporous bamboo charcoal materials. The method has the advantages that preliminary activating treatment is carried out on bamboo powder by the aid of activating solution with surfactants and alkali metal salt, accordingly, the surface performance of the bamboo powder can be improved, the dispersity of the bamboo powder in organosilicon sol can be enhanced, follow-up bamboo powder carbonization effects can be improved by the introduced metal salt, and the carbon immobilizing rate is high; bamboo charcoal powder obtained after the bamboo powder already subjected to dipping treatment by the aid of organosilicon sol systems is carbonized is fine and uniform in pore diameter distribution and is high in strength; the bamboo charcoal powder is functionally modified by the aid of thiol siloxane sol, thiol can be effectively set by the aid of sol-gel processes, and the thiol functionalized mesoporous bamboo charcoal materials prepared by the aid of the method can be obviously functionalized.
Owner:ANHUI SHUCHENG HUAZHU IND

Agricultural greenhouse frame and its connecting device

The invention provides an agricultural greenhouse frame and a connecting device thereof. Installation efficiency is high, resource waste is small, and the height of an arc-shaped ceiling can be adjusted according to requirements. The agricultural greenhouse frame comprises arch tubes and vertical columns. The vertical columns are arranged transversely and longitudinally at intervals to form a greenhouse frame body, transverse and longitudinal steel rope and arch tube connecting devices capable of being used for fixing longitudinal steel strands, transverse steel strands and the arch tubes are arranged above the vertical columns at the front portion, the rear portion, the left side and the right side of the greenhouse frame body in a vertically-lifting mode, the two ends of the transverse steel strands and the longitudinal steel strands are fixed above the two transverse sides and the two longitudinal sides of the greenhouse frame body through the transverse and longitudinal steel rope and arch tube connecting devices, arch tube connecting devices are correspondingly arranged above the adjacent longitudinal steel strands, the arch tubes are fixed between the arch tube connecting devices, supporting vertical columns are arranged at the portions, located below the middle portions of the arch tubes, of the greenhouse frame body, lifting rods are arranged above the supporting vertical columns through lifting connecting devices in a vertically-moving mode, and the upper portions of the lifting rods are connected with longitudinal arch tube supporting pipes through top pipe connecting devices.
Owner:XIAMEN NONGFENGYUAN PLASTIC TENTS DEV CO LTD

Melamine foam and fiber blended preparation technology

The invention relates to a melamine foam and fiber blended preparation technology which comprises the following steps that (1), melamine foam waste is smashed into melamine foam smashed materials withirregular particle sizes for standby application; (2), one layer of melamine foam smashed materials obtained in the step (1) is laid on a conveyor belt through a paving device, and a bottom layer melamine foam smashed material layer with the thickness being 1-2 cm is obtained; (3), fibers are sprayed on the bottom layer melamine foam smashed material layer obtained in the step (2) with the sprayangle being 45 degrees to serve as a bonding layer; (4), one layer of melamine foam smashed materials obtained in the step (1) is laid on the bonding layer in the step (3), and a primary sectional material with a composite layer is obtained, wherein the thickness of the layer of melamine foam smashed materials is 1-4 cm; and (5), the primary sectional material obtained in the step (4) is hot-pressed through a hot-pressing machine under the state of 200-230 DEG C and is quickly cooled, and melamine foamed plastic is obtained. The melamine foam and fiber blended preparation technology has the advantages of being capable of saving energy, environmentally friendly, high in density, good in cleaning effect, durable and high in noise reduction coefficient.
Owner:郑州峰泰纳米材料有限公司

Double-sided sweat-absorbent anti-skid yoga mat

The invention discloses a double-sided sweat-absorbent anti-skid yoga mat, and belongs to the field of yoga mats. The double-sided sweat-absorbent anti-skid yoga mat comprises a yoga mat body, whereinlong grooves are formed in the upper end and the lower end of the yoga mat body respectively, the long grooves are formed in the edges of the yoga mat body, and silica gel gaskets are fixedly connected to the long grooves; two pairs of openings are formed in the yoga mat body, and sweat-absorbent anti-skid blocks are arranged at the openings; each sweat-absorbent anti-skid block comprises a silica gel pad, a quick-drying sweat-absorbent cotton block, a rubber block and a base plate; a plurality of small holes are formed in the silica gel pads from top to bottom, and sweat-absorbent contacts are arranged in the small holes; the lower ends of the sweat-absorbents contacts are fixedly connected with the quick-drying sweat-absorbent cotton blocks. By means of the yoga mat, areas where palms are placed are not likely to slide when adho mukha svanasana and other actions needing the palms to be attached to the mat surface need to be done; besides, sweat of the palms can be effectively removed, postures can be effectively fixed, and normative training of the actions is facilitated; meanwhile, the use experience and the personal safety of a user can be improved.
Owner:张双全

Adjustable dissecting table for animal experiments, and use method thereof

The invention discloses an adjustable dissecting table for animal experiments, and a using method thereof. The adjustable dissecting table comprises a dissecting table body and a dissecting table plate, a cavity is formed in the top end of the dissecting table body, a partition plate is fixedly installed on the inner wall of the cavity, and the partition plate and the cavity form a sewage cavity located at the top end and a driving cavity located at the bottom end respectively; and the dissecting table plate is connected with one side of the sewage cavity through a hinge. A hydraulic driving mechanism is arranged to control and start a rotating motor, the rotating motor is used for driving a threaded lead screw to rotate, then a driving rod is driven to horizontally move, a piston push disc is made to form the push-pull effect, a push-pull rod in a connecting bobbin is made to move to the proper position according to the hydraulic principle, and after the push-pull rod moves to the proper position, an operator controls and starts a small electric telescopic rod, the end of the small electric telescopic rod is folded by pulling a movable inclined rod through a transmission rod by means of withdrawing of an extension rod of the small electric telescopic rod, and four limbs of an animal are effectively fixed by means of wave-surface rubber blocks and protrusions.
Owner:EASTERN LIAONING UNIV

Fiber carrier for forming film based on microalgae adsorbed by straw as well as preparation method and application of fiber carrier

The invention discloses a fiber carrier for forming a film based on microalgae adsorbed by straw as well as a preparation method and application of the fiber carrier. The straw fiber carrier is used for adsorbing the microalgae and forming a biological film. A film forming method comprises the steps of (1) preliminary culture of microalgae inoculum; (2) preparing a straw fiber carrier bed layer; (3) culturing and harvesting a microalgae biological film; and (4) regenerating the microalgae biological film. The straw biological carrier is a microalgae biological film. carrier which is low in price, durable and easy to apply in a large scale, and a biological adsorbent is environment-friendly, rough in surface, high in yield, reproducible, wide in distribution and free of biotoxicity. While supporting microalgae cells to adhere and form a film, the composite film can be further used for removing various pollutants in wastewater, and can also be used as a raw material for producing organic fertilizers, high-activity biochar, energy sources and chemicals. When the fiber carrier is partially degraded into semi-rotten straw by fungi, the semi-rotten straw can be used as an organic compound fertilizer for ecological breeding or anaerobic fermentation for biogas production.
Owner:NANCHANG UNIV

Grinding device with cold and heat exchange structure for watch part machining

The invention discloses a grinding device with a cold and heat exchange structure for watch part machining, and relates to the technical field of watch part grinding. The grinding device comprises a base and a first sliding rail, the upper surface of the base is connected with a first supporting seat. According to the grinding device with the cold and heat exchange structure for watch part machining, the bearing shell can be matched with the clamping acting force of a clamp to be disassembled and assembled with the first supporting seat, the bearing shell in the disassembled state can be matched with a carrying rod to conduct feeding treatment on a watchcase, and gas can be introduced into a gas groove through an arranged gas pump, an ejection block in the gas groove is ejected out of the outer wall of the bearing shell, extends into an assembling groove in the inner wall of the watchcase and is fixed, and multiple watchcases can be effectively fixed in the process, so that the multiple watchcases can be conveniently polished at the same time in the follow-up process; the inner rings of the watchcases can be polished in cooperation with a second polishing wheel, so the grinding efficiency and the grinding range of the watchcases are greatly improved, and the structure is more compact.
Owner:东莞市慧捷工业设计有限公司
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