165results about How to "Improve the fixed effect" patented technology

The invention discloses an artificial hip joint on a bone trabecula microporous surface, which is designed for solving the problem of secondary operation repairing caused by later-period loose or sunk acetabulum or femoral stem existing in a traditional artificial hip joint. The artificial hip joint on a bone trabecula microporous surface comprises a femoral stem body, wherein a stem neck is arranged at the upper end of the femoral stem body and is in socket joint with an acetabulum liner, a femoral ball head is in socket joint outside the acetabulum liner, an acetabulum cup is in socket joint outside the femoral ball head, and a bone trabecula microporous layer is formed on at least one of the outer surfaces of the femoral stem body and the acetabulum cup. After the artificial hip joint is implanted into a human body, the artificial hip joint and natural bones can be integrally fixed to effectively enhance the fixation effect, prevent the artificial hip joint from loosening or sinking for a long time and prolong the service life.

The invention relates to the technical field of hardware processing, in particular to grinding equipment for hardware machinery fitting processing. The grinding equipment comprises a base, wherein supporting columns are fixedly mounted at the two sides above the base; the center of the base is equipped with a workbench; the surface of the workbench is equipped with a non-slip mat; the two sides ofthe workbench are equipped with fixed columns; sides, close to the workbench, of the fixed columns are equipped with fixed devices; a supporting plate is transversely and fixedly mounted above the supporting columns; the middle part of the supporting plate is equipped with a mounting base; a transmission bin is arranged below the mounting base; a lifting device is arranged in the transmission bin; and a grinding plate is fixedly connected below the lifting device. The grinding equipment for hardware machinery fitting processing provided by the invention is simple in structural design, is highin regulating performance, is high in degree of automation, greatly improves grinding efficiency in workpieces, and provides a good fixing effect for hardware machinery fittings during processing.

The invention relates to the technical field of oil-gas separator production and machining accessory devices, in particular to an oil-gas separator filter element cutting device. A filter material fixing effect is improved, the cutting accuracy is guaranteed, and the practicability is enhanced; and moreover, the potential safety hazard is reduced and the reliability in use is enhanced; and meanwhile, the filter material can be rapidly positioned so that the cutting efficiency is enhanced. The oil-gas separator filter element cutting device comprises a cutting platform, a cutting bracket, a cutting cylinder, a piston rod, a mounting plate, a cutting knife, a driving motor, a front supporting plate, a rear supporting plate and a conveying plate; a transverse conveying groove is formed in thetop end of the cutting platform; the conveying plate is positioned in the conveying groove; multiple groups of supporting springs are arranged at the bottom end of the conveying plate; multiple groups of conveying wheels are arranged on the conveying plate in an unequally-spaced manner; a driving wheel is arranged between the front supporting plate and the rear supporting plate; the oil-gas separator filter element cutting device further comprises a positioning device and a controller; a cutting groove is formed in the top end of the cutting platform; and the positioning device comprises a fixing plate, a threaded rod, a threaded tube, a supporting plate, a push plate, a pressure sensor and a ball bearing.

The invention relates to the field of clamps, and discloses an automatic clamping and adsorbing mechanism. The automatic clamping and adsorbing mechanism comprises a clamping base with a hollow innerpart and a clamping mechanism arranged on the clamping base, wherein the clamping mechanism comprises clamping blocks positioned at the two ends of the clamping base, a drive gear which is rotatably arranged on the bottom of the inner cavity of the clamping base, and movable racks which are separately embedded into the two sides of the drive gear on the bottom of the inner cavity of the clamping base in a sliding mode, and are engaged with the drive gear; back ends of the movable racks are separately fixed by the clamping blocks at the two ends of the clamping base; and the upper end surface of the clamping base is equipped with a linked adsorbing mechanism which adsorb along with relative go-away of the clamping blocks, and desorb along with relative get-close of the clamping blocks. Theautomatic clamping and adsorbing mechanism only needs one motor to drive the clamping mechanism and the linked adsorbing mechanism to perform dual-fixing or synchronous unloading of products, is skillful in structure, and can remarkably improve product fixing firmness and unloading convenience.

The invention relates to the technical field of furniture, in particular to a wood board cutting and scribing device for furniture production. The wood board cutting and scribing device comprises a base, a closed box, a fixing unit and a scribing unit, the closed box is fixedly installed at the upper end of the base, the fixing unit is installed in the closed box, and the scribing unit is arranged on the base. According to the wood board cutting and scribing device, the problems existing during scribing of wood boards can be solved: most traditional wood boards are manually scribed on the wood boards by workers, and the workers cannot fix the wood boards, so that deviation of the wood boards is easily caused, and the scribing precision is further influenced. According to the wood board cutting and scribing device, the position of an ink line can be adjusted according to machining requirements, so that different wood boards can be subjected to scribing treatment, manual scribing can be effectively replaced, and the scribing efficiency can be improved; and multi-point pressing and fixing treatment can be conducted on the wood board, and therefore the situation that the scribing precision is affected due to the fact that the wood board deviates can be prevented.

The invention provides a rotor structure of a disc type motor. The rotor structure comprises a rotor disc, a plurality of magnetic steels, a hoop, at least two first blocking pieces and at least two second blocking pieces, wherein the rotor disc comprises a base part and a plurality of supporting parts, the supporting parts extend outwards to the periphery of the base part, the number of the magnetic steels is consistent with that of the supporting parts, and the magnetic steels fixedly extend outwards to the base part and are arranged at intervals with the supporting parts; the hoop is fixedly arranged on the outer periphery of the magnetic steels in a sleeving manner, so that the magnetic steels are fixed between the hoop and the base part; and the first blocking pieces and the second blocking pieces are located on the two sides of the rotor disc respectively, the first blocking pieces and the second blocking pieces are fixed to the supporting parts, so that the hoop is fixedly connected between the first blocking pieces and the second blocking pieces in a clamped mode, the two sides of the hoop are connected with the first blocking pieces and the second blocking pieces in a clamped mode, so that the hoop can be fastened, and the fixing effect of the hoop on the magnetic steels is enhanced.

The invention provides a multifunctional large draught fan used for a tunnel. The multifunctional large draught fan comprises a ventilation pipeline, a damp-prevention draught fan structure, a draught fan protection net, connecting flanges, a draining groove, an automatic water dispersal device, a water draining pipe and an air filter device. The damp-prevention draught fan structure is mounted on the left side and the right side of the ventilation pipeline, and the connecting flanges are mounted at the left end and the right end of the ventilation pipeline. A draught fan protection net is made of a stainless steel net, the protection effect on fan blades can be improved, and the phenomenon that impurities in the ventilation pipeline collide with the fan blades, and the fan blades are affected is avoided; a metering pump is adopted in a water pump, spraying heads can evenly spray water downwards, dust can be conveniently washed to the bottom of the ventilation pipeline, multiple water spraying heads are arranged, water can be evenly sprayed downwards, use is more convenient, and due to arrangement of an active carbon filter net, a PP cotton filter net and an HEPA filter net, flowing air in the ventilation pipeline can be purified, and during air exchange, the fan is more environment-friendly and energy-saving.

The invention provides a climbing device for multiple plants of greening engineering. The climbing device for the multiple plants of the greening engineering comprises a support fixing device, adjustable transverse support structures, a plant climbing net structure, a plant irrigating watering device, a vine-plant climbing hanging rope structure and a plant-climbing hanging frame structure, wherein the adjustable transverse support structures are welded to the left side and the right side of the upper portion of the support fixing device. According to the climbing device, as cross sections of auxiliary supports are triangular, the fixing effect on the climbing device can be improved, and the climbing device is prevented from being inclined and falling; a stainless steel water spraying pipe, spraying heads, a water guiding pipe and a water suction pump are arranged, plants on the climbing device can be irrigated and watered, and using is more convenient; as a climbing rope and a positioning inserting pin are arranged, the bottom of the climbing rope can be conveniently inserted into soil, the climbing rope is used in cooperation with overhead hooks, the stability of the plants during climbing can be improved, and the climbing device is suitable for climbing of the multiple plants.

The invention discloses a fixation device for amputation. The fixation device for the amputation comprises a fixing frame, a transmission structure, a fixing structure, a transverse plate, a sliding groove, sliders, a groove, wheels and a spring. By rotating a hand wheel, it can be achieved that an amputation part of a patient is fixed with the fixing structure; two clamping plates can work at thesame time and are suitable for different amputation sites of patients, and therefore, a medical worker conveniently fixes the amputation site; through the arrangement of an insertion block and limiting grooves, the hand wheel can be fixed and prevented from becoming loose, the fixation effect of the device on the amputation site is improved, and surgical operation is facilitated; an electric telescoping rod is turned on through an external power supply and a switch, a press plate is driven to move downwards, fixation of the amputation site can be further improved, and the fixation effect is improved; by designing the top of a cushion plate into an arc shape, and filling an inner cavity of the cushion plate with cotton or sponge, the comfort level of the patient can be improved through thecushion plate.

The invention discloses a modular glass partition wall with a fireproof function for indoor installation. The modular glass partition wall comprises a U-shaped frame and a vertical plate, the verticalplate is attached to the left side face of the U-shaped frame, a cavity is formed in the vertical plate, and a positioning mechanism is arranged in the cavity; and one end of the positioning mechanism penetrates through a first through hole formed in the right side face of the vertical plate and extends into a groove formed in the left side face of the U-shaped frame, and a clearing mechanism isarranged on the U-shaped frame. According to the modular glass partition wall, by arranging the positioning mechanism, a first sliding rod is pulled downwards through a rubber block, at the moment, aclamping block is separated from a clamping groove and does not fix a fixed block any more, the clamping block is taken out from the groove, at the moment, a side plate is separated from the U-shapedframe, and finally, a damaged glass plate can be conveniently taken out for replacement, so that the cost is greatly saved without replacing the whole glass plate; and by arranging a first spring, thefirst spring pulls a blocking piece to move upwards through the elasticity of the first spring, at the moment, the clamping block is tightly clamped in the clamping groove, and therefore the verticalplate and the U-shaped frame can be fixed together.

The invention relates to a multi-functional engraving machine, which comprises a frame, on which a working platform is arranged, and movable support plates are slidably connected to both sides of the frame, and movable supporting plates are slidably connected to each other. The crossbeam, the movable crossbeam is provided with several juxtaposed engraving components, and also includes a workpiece fixing component, a blower rack and a sawdust collection cover, and the workpiece fixing component includes a baffle plate, a compression plate and a cylinder connected with the compression plate, the baffle The plate is fixedly arranged on one side of the working platform along its length direction, the pressing plate is arranged parallel to the baffle, the end of the pressing plate away from the baffle is connected with the piston rod of the cylinder, the baffle, the pressing The sides of the boards that are close to each other are wave-shaped, and protective layers are provided on the surfaces, and the blowing rack is arranged at the rear end of the working platform; the invention has simple structure, excellent fixing effect on irregularly shaped workpieces, and good cleaning effect of sawdust. Guarantee the accuracy of carving and carving effect.

The embodiment of the invention discloses an anti-dislocation left ventricle electrode wire which comprises a spindly catheter, wherein the catheter comprises a near end and a remote end; the near end is configured as a connector connected with a heart pacemaker; an end pacing electrode is arranged at the tip of the remote end; the remote end is bent twice to form a first oblique angle and a second oblique angle in sequence; lateral fixing wings are arranged on the side, approaching the near end, of the second oblique angle, and comprise folded elastomers which protrude in the normal direction of the catheter; when the folds of the elastomers extend or contract in the axial direction of the catheter, the lateral fixing wings contract or extend correspondingly in the normal direction of the catheter. The anti-dislocation left ventricle electrode wire provided by the embodiment of the invention adopts the design of double oblique angles, so that the position fixed effect of the anti-dislocation left ventricle electrode wire in a target vein can be greatly enhanced; moreover, the lateral fixing wings are arranged on the side, approaching the near end, of the second oblique angle, and the folds of the lateral fixing wings extend and are supported on the wall of a target vessel during use, so that the position fixed effect of the anti-dislocation left ventricle electrode wire can be further enhanced.

The invention discloses a scaffold for building construction, and relates to the technical field of building construction equipment and facilities. The scaffold for building construction comprises fixing base bodies, the fixing base bodies comprise fixing bases, fixing guide tubes, fixing springs, fixing claws, special-shaped blocks, reinforcing bases and reinforcing bolts, the fixing guide tubesare distributed on the circumferences of the fixing bases, the fixing springs are located inside the fixing guide tubes and the fixing bases, and one ends of the fixing springs are fixedly connected with the fixing claws. According to the scaffold for building construction, through grasping force of the fixing claws to soil, the fixing performance of the fixing claws to the fixing bases is enhanced, the fixing effect of the fixing bases are improved, meanwhile, a buried pit is buried, the reinforcing bases are connected to the surfaces of supporting rods in a sleeving mode, the reinforcing bases and the ground are fixed through the reinforcing bolts, and the supporting rods are subjected to reinforced supporting by the reinforcing bases, so that the fixing effect of the fixing base bodieson supporting main bodies is improved, and the safety of the scaffold is enhanced.

The invention relates to the technical field of processing of auxiliary devices of liquid crystal displays, and in particular to a substrate edge polishing device for liquid crystal display module production. The substrate edge polishing device improves the fixing effect on glass substrates, prevents the glass substrates from shifting in the edge polishing process and improves the working efficiency. The substrate edge polishing device comprises a workbench, a left supporting plate, a right supporting plate, a top plate, a placing table, an air cylinder, a fixing plate, a stepping motor, a mounting plate, a substrate fixing device, a piston rod and a rotating shaft, wherein the substrate fixing device comprises a front transverse plate, a rear transverse plate, longitudinal threaded tubes,front threaded rods, rear threaded rods, transverse threaded tubes, left threaded rods, right threaded rods, front connecting blocks, rear connecting blocks, mounting blocks, a left ball bearing, a right ball bearing, a front ball bearing, a rear ball bearing and a powerful sucker; and the substrate edge polishing device further comprises a left electric cylinder, a right electric cylinder, a left connecting plate, a right connecting plate, a reciprocating motor, a screw rod, a slider, an edge polishing motor, a left telescopic rod, a right telescopic rod, a rear supporting plate, a front supporting plate, a lower ball bearing and an edge polishing wheel.

The invention discloses a mobile cutting machine, which comprises a base, a plate frame is arranged on the front side of the top end of the base, a groove seat is installed on the inner side of the top end of the plate frame, and a bottom bar is installed on the outside of the bottom end of the plate frame Shaped plate, the top outside of the base is provided with a bar-shaped groove, the bottom rear side of the plate frame is equipped with a rear baffle, the top front side of the plate frame is provided with an inner plate, the inner side of the inner plate Features splints. The mobile cutting machine, through the cooperation of the rear baffle, the splint and the bottom strip plate, pushes the plate frame to drive the bottom strip plate at the bottom to move in the strip groove on the base, and the ball rolls and moves on the ball when moving. In the groove, at the same time, it is convenient for the next step of cutting. The splint fixes the plate through the cooperation with the rear baffle. By setting the V-shaped groove, the plane on the outside of the splint can be clamped to the flat plate groove, and the cylinder can be clamped in the V-shaped groove. Plates and diamond-shaped plates increase the fixing effect on the plates, are less dangerous and have better use effects.

The invention discloses a degradable proximal tibia posterior-lateral locking internal fixation apparatus with development functions. The degradable proximal tibia posterior-lateral locking internal fixation apparatus is made of degradable biological materials with development functions. The degradable biological materials comprise biodegradable materials and developers. The degradable proximal tibia posterior-lateral locking internal fixation apparatus comprises a top, a waist and a body which are integrally formed. The degradable proximal tibia posterior-lateral locking internal fixation apparatus is matched with space geometric shapes of proximal tibia posterior-lateral contact surfaces. A plurality of first locking screw holes are formed in the top, a plurality of second locking screw holes are formed in the body, and angles of 75-100 degrees are formed by the first locking screw holes in certain directions and a plane of the top of the degradable proximal tibia posterior-lateral locking internal fixation apparatus, so that screws can avoid proximal tibia posterior-lateral articular surfaces after being implanted. The degradable proximal tibia posterior-lateral locking internal fixation apparatus has the advantages that the degradable proximal tibia posterior-lateral locking internal fixation apparatus can excellently cling to bone surfaces, accordingly, the problem of possible local stress concentration due to that fact that an existing internal fixation apparatus poorly clings to bone surfaces can be solved, fixation effects of the degradable proximal tibia posterior-lateral locking internal fixation apparatus can be effectively improved, and the degradable proximal tibia posterior-lateral locking internal fixation apparatus is favorable for fixing fracture bone blocks; the degradable proximal tibia posterior-lateral locking internal fixation apparatus does not need to be taken out by means of second surgery, internal fixation apparatus absorption procedures can be dynamically monitored, and accordingly the degradable proximal tibia posterior-lateral locking internal fixation apparatus is favorable for guiding functional exercise.

The invention relates to a restoration method for mercury-contaminated acid soil of a mine. The restoration method comprises the steps of pretreatment of a to-be-restored area of the contaminated soil, in-situ solidification/stabilization restoration, blocking and seepage prevention, building of a retaining wall, covering of foreign soil, building of a drainage ditch and restoration of vegetation. In allusion to mine acid mercury-contaminated soil, especially farmland remediation in a mine area, the compound mercury contamination treatment agent is adopted, a mixture of iron sulfide, cement and quick lime is added, the addition amounts of the quick lime and the cement are respectively 2-3% of the mass of the soil, and the addition amount of the iron sulfide is 2% of the mass of the soil. The mercury content in the contaminated soil containing water can be reduced to an extremely small amount, the fixing effect on mercury pollutants is enhanced, the mercury pollutants are prevented from being leached into surrounding water, the property of acid soil is improved, plant growth is facilitated, and the aim of ecological remediation is achieved. The method is low in cost, high in compressive strength and obvious in economic benefit.

The invention provides an adjustable exercise human vestibular trainer, including a supporting base, an auxiliary plate, a first bearing, a mounting shell, an adjustable-speed motor, a speed reducer,a second bearing, an outer side ring, an insertion shaft, a first revolute pair, a middle ring, a second revolute pair, an inner side ring, a transverse rod, a PLC, a switch, a fixed seat structure, asupporting seat, a long testing plate structure and a movable supporting frame structure. The auxiliary plate is welded to the left side of the upper surface of the supporting base; the first bearingis embedded in the upper side of the interior of the auxiliary plate; and the mounting shell is welded to the right side of the upper surface of the supporting base. The invention has the following beneficial effects: through the arrangement of the fixed seat structure, the body of a tester can be conveniently and rapidly sleeved with a fixing belt in the using process; and with the cooperation of inserting buckle for fixation, the fixing belt can be conveniently and rapidly fixed or detached.

The invention belongs to the technical field of medical instruments, and discloses a knotting-free anchor and an anchor implantation instrument. The knotting-free anchor comprises an anchor body, an axial center hole axially penetrating through the anchor body is formed in the anchor body, and the anchor body comprises a threaded connection section. At least one notch is formed in the edge of theexternal thread of the threaded connection section. The knotting-free anchor has the advantages that sutures can be prevented from being cut off by the knotting-free anchor, and accordingly the fixingeffect of the knotting-free anchor is improved.

The invention relates to an antenna mount which includes a pedestal. An installation rod of an antenna is fixedly connected with the pedestal. The upper surface of the pedestal is provided with annular installation grooves. The bottom faces of the annular installation grooves are provided with annular fixing grooves. The pedestal fixes a base through the annular installation grooves and the annular fixing grooves. The lower surface of the base is provided with installation rings which are arranged in the annular installation grooves. The installation rings are provided with installation through holes. The upper surface of the base is provided with a boss. The boss is provided with an installation hole for installing the installation rod. One side of the base is connected with an adjustment handle. The antenna mount is simple in structure and improves a fixing effect of the antenna through cooperative installation of the base and the pedestal and simplifies an adjustment operation process; and later adjustment and debugging are also facilitated.

The invention discloses a decorative strip mounting structure for an assembly type suspended ceiling. The structure comprises two shells, two clamping grooves b are symmetrically formed in the two shells, connecting plates are inserted into the clamping grooves b, clamping grooves d are formed in the upper surfaces of the connecting plates, clamping blocks b are inserted into the inner side wallsof the clamping grooves d, and grooves c are formed in the clamping blocks b; and U-shaped clamping blocks are slidably connected to the inner side walls of the two grooves c, and two clamping groovesc are symmetrically formed in the upper surfaces of the U-shaped clamping blocks. When the structure is used, the two connecting plates are fixed through inserting plates b, the two connecting platesare further fixed through the U-shaped clamping blocks, after the two connecting plates are fixed to the shells, the U-shaped clamping blocks are fixed through fixing rods through springs a, the fixing effect on the U-shaped clamping blocks is further improved, and therefore the fixing effect on the shells is enhanced; and the mounting effect of an operator is improved, and the construction progress is further improved.

The invention discloses a gypsum protector with good fixing effects. The gypsum protector comprises a fixing band. Two groups of protector bags are arranged on a side of the fixing band, gypsum protector bodies are arranged in the two groups of protector bags, a cushion layer is arranged on the side, which is far away from the fixing band, of each group of protector bags, nylon bands are equidistantly arranged at an end of the fixing band, an insertion plate is arranged at the end, which is far away from the fixing band, of each nylon band, fixing blocks are equidistantly arranged at the end,which is far away from the nylon bands, of the fixing band and comprise fixing shells, limit insertion rods, shifting blocks, limit check blocks and springs, the fixing shells are U-shaped shells, opening directions of the U-shaped shells face the fixing band, and an insertion groove which is matched with the corresponding insertion plate is formed in the end, which is far away from the fixing band, of each fixing shell. The gypsum protector has the advantages that the gypsum protector is simple in structure and can be conveniently and quickly used; the gypsum protector can be conveniently individually and quickly fixed onto the limbs of a user by medical staffs, the fixing tightness can be adjusted according to the thicknesses of the limbs of the user, and the good fixing effects can be realized by the gypsum protector.

The invention discloses slaughtering equipment for animal husbandry. The slaughtering equipment comprises a box body, one end of box body is tiltingly arranged, and a fixing assembly, a slaughter assembly and a disinfection assembly are arranged on the box body; side plates are fixedly connected to two sides of the box body; a placing groove is formed in each side plate; extrusion blocks are arranged on the placing grooves in a sliding manner; a driving wheel is rotationally mounted on each extrusion block; driving blocks are arranged between the extrusion blocks and the side plates in a sliding mode and act on the driving wheels, a connecting rod is fixedly connected to the bottom of each driving block, the other end of each connecting rod is fixedly connected to a carrier plate, an electric power component is arranged on each extrusion block, a slaughter assembly and a disinfection assembly are arranged on one side of the box body, and a supporting device is arranged between the carrier plate and the box body. The device is simple and reasonable in structure, and livestock can be effectively fixed through the weight of the livestock; meanwhile, in the livestock stunning state, the fixing effect can be further improved; the livestock is prevented from being fixed by manpower, and great application prospects are realized.

The invention discloses an electronic wire connecting device with an anti-falling function in the technical field of electronic wire connection. The device comprises a fixing table, a fixing assemblyis arranged on the top surface of the fixing table, two side plates are symmetrically fixed to the left side of the fixing table, a limiting assembly is arranged between the two side plates, the fixing assembly comprises a plurality of first clamping plates and a plurality of second clamping plates, and the first clamping plates and the second clamping plates are evenly arranged at intervals. Electronic wires are placed in the limiting grooves in the fixing assembly, the electronic wires are limited in the limiting grooves under the action of the spring, the upper clamping plates and the lowerclamping plates, and therefore the positions of connectors of the electronic wires are limited through the limiting assembly, and a certain supporting effect is provided; the right side section of the electronic wire is placed between the first clamping plate and the second clamping plate at the corresponding positions, a first lead screw and a second lead screw are rotated through the motor, a first sliding block and a second sliding block move to drive the first clamping plate and the second clamping plate to get close to each other, the electronic wire is fixed, and the fixing effect of the electronic wire is improved.

The invention relates to the technical field of mechanical fixtures, in particular to a mechanical fixture used for steel pipe cutting. The mechanical fixture comprises a base. A first worm wheel matched with a first worm is connected to the inner wall of a shell through a rotating shaft. Two threaded blocks are symmetrically arranged on the outer wall of the first worm. Clamping plates are arranged at the end, away from the corresponding threaded block, of each first connection rod and the end, away from the corresponding threaded block, of each second connection rod correspondingly. A secondworm matched with a second worm wheel is arranged between two second bearings. According to the mechanical fixture, the inner wall and the outer wall of a steel pipe can be clamped and fixed at the same time through the multiple clamping plates, the clamping strength is increased, and the fixing effect is improved; the first worm wheel and the first worm each have a self-locking function, the problem that the clamping force is decreased cannot be caused to the clamping plates after the steel pipe is clamped, and the work stability is greatly improved; and the second worm and the second worm wheel can conduct regulation and position fixation according to the length of the steel pipe, and comprehensiveness of use is improved.

The invention belongs to the technical field of machining, and in particular relates to an anti-abrasion sealing nut. The anti-abrasion sealing nut comprises a body, grooves, sealing rings and anti-abrasion coating layers, wherein the grooves are formed in the upper end of the body; the sealing rings are arranged in the grooves; and the anti-abrasion coating layers are coated on the inner circles of the sealing rings and the inner wall of the body. The grooves are double-trench grooves; and the thicknesses of the sealing rings are greater than the depths of the grooves. The anti-abrasion coating layers are coated on the nut body and inside the sealing rings, so that the abrasion resistance of the nut is improved; and the double-trench grooves are formed in the nut body, so that an effect of fixing the sealing rings in the nut is enhanced, and the sealing property of the nut is improved to the maximum extent.

The invention aims to provide an optical cable fiber core welding protection device to solve the problems that in the background art, an optical cable is easily pulled out of a fiber inlet groove or afiber outlet groove, so that optical fibers in the optical cable are easily damaged, an existing optical cable fiber core welding protection device is not suitable for protecting optical cables withdifferent diameters, and the practicability is low. The optical cable fiber core welding protection device comprises an upper box cover, a lower box cover rotationally arranged atone side of the upperbox cover, sealing plates fixedly arranged on the outer walls of the upper box cover and the lower box cover, sealing gaskets fixedly arranged at one side of the upper box cover and the top end of the lower box cover, the sealing parts detachably arranged in the front sides and the rear sides of the upper box cover and the lower box cover, and a locking mechanism arranged in an inner cavity of the lower box cover. According to the optical cable fiber core welding protection box, cables with different diameters can be clamped and fixed, the optical cable can be prevented from being pulled outof a fiber transmission hole, and optical fibers in the optical cable can be effectively protected.

The invention provides a cotton planting device. The cotton planting device comprises a material storage hopper, a Y-shaped support rod, a handle, a dust-proof cover, an observation window, a batterycasing, a rechargeable lithium battery, an electric discharge rack structure, a transmission chain, a side moving rack structure, an adjustable material guide rack structure, an auxiliary fixing rackstructure, and a power switch; the handle is mounted on a left side of the Y-shaped support rod by a bolt; the dust-proof cover is placed on an upper side of the material storage hopper; the battery casing is mounted on a left side of a lower part of the material storage hopper by screws; and the rechargeable lithium battery is mounted on an inner side of the battery casing by screws. According tothe cotton planting device, outer sides of a transmission gear and a driven gear are sleeved with the transmission chain, so that rotation of the driven gear driven by a rotating motor via the transmission gear through the transmission chain is facilitated when the cotton planting device is in operation, thereby facilitating rotation of a moving wheel driven by a rotating rod; and a soil scrapingrack is mounted in an upper part of a right side of an adjustable sleeve by a bolt, so that slotting in the soil during operation of the cotton planting device is facilitated.

The invention discloses a crystal marking machine which comprises a machine frame, a supporting plate, a cross beam and a movable block. The supporting plate is fixed to the machine frame. Two hydraulic lifting rods are symmetrically arranged on the supporting plate. The cross beam is erected at the upper ends of the two hydraulic lifting rods. A moving groove which allows the movable block to slide leftwards and rightwards conveniently is formed in the cross beam. Sliding grooves are formed in the portions, on the two sides of the moving groove, of the cross beam. A sliding block which slides in cooperation with the sliding grooves is arranged on the movable block. An infrared marking head is arranged on the lower portion of the movable block. A rotation mechanism is arranged in the middle of the upper portion of the supporting plate. A workbench is fixed to the output end of the upper portion of the rotation mechanism. Two fixing plates are symmetrically arranged on the workbench. Positioning plates used for fixing a crystal are arranged on the portions, on the inner sides of the two fixing plates, of the workbench. Guiding rods are symmetrically arranged on the supporting plate, penetrate through the cross beam and extend to the upper portion of the cross beam. A crystal photo frame is fixed firmly and reliably, the marking effect is good, and the working efficiency of operators is improved.

The invention discloses a cable supporting device for power construction, and relates to the technical field of power construction. The problem that in a supporting process, height adjustment is troublesome is solved. The device particularly comprises a supporting bottom plate, wherein a supporting column is fixedly connected to the middle of the top of the supporting bottom plate, an inserting groove is formed in one side of the interior of the supporting column, a telescopic rod is inserted into the inserting groove, a rack is fixedly connected to one side of the telescopic rod, a side frameis fixedly connected to the top of one side of the supporting column, and through holes are formed in one side of the side frame and one side of the supporting column, and a through hole is formed inone side of the side frame. According to the device, the position of a threaded rod in a threaded hole is adjusted, a height of a hoop in a fixing ring is adjusted, a cable can be conveniently fixed,a height of the telescopic rod in the inserting groove is adjusted, a height of the cable can be adjusted by the device in a supporting process, operation is easy, and the device has the effect of facilitating wheel moving.