32results about How to "Fixed to" patented technology

The invention discloses an in-situ covering method for heavy metal in nano phosphorite fixed sediment, which comprises the following steps: preparing nano hydroxylapatite; preparing an in-situ fixing material, that is, adopting one or more than one material of the nano hydroxylapatite, nano fluorapatite or nano chlorapatite; and carrying out in-situ covering for polluted rivers or lakes. The method also comprises the step of using an in-situ covering material mixed by one or mixture of more than one of unpolluted sediment, earth or soil, wherein specific usage amount of the in-situ covering material is 10 to 490 centimeters of covering thickness. The total covering thickness of the in-situ fixing material and the in-situ covering material is between 0.05 and 500 centimeters. The in-situ covering method is used for restoring the sediments polluted by organic substances in the rivers or the lakes, can effectively prevent pollutants such as the heavy metal in the sediments from entering water body, has remarkable function of improving water quality, has the functions of fixing the heavy metal in the sediments, reducing biological effectiveness, and the like, and has the advantages of good effect, no secondary pollution, and wide application range.

The invention discloses an earthquake-resistant building support connecting structure which comprises a longitudinal steel pipe and a transverse steel pipe which are made of square steel. A fixing sleeve is arranged on the longitudinal steel pipe. A supporting flange is arranged on the outer wall of the upper end of the fixing sleeve. A step groove is formed in the inner wall of the upper end of the fixing sleeve. Clamping parts are arranged on the upper end face and the lower end face of the tail end of the transverse steel pipe respectively and perpendicular to the transverse steel pipe. The clamping part on the lower side can be embedded in the step groove. A through hole is formed in the transverse steel pipe. The axis of the through hole is parallel to the connecting line of the two clamping parts. Fixing holes are formed in the supporting flange. The longitudinal steel pipe is sleeved with a movable sleeve. The stable connection structure can be formed by the longitudinal steel pipe and the transverse steel pipe, so the longitudinal steel pipe and the transverse steel pipe can not move relatively in the horizontal direction or the vertical direction, the structure is stable, and connection is reliable.

The invention provides an artificial woodcarving working platform, which belongs to the field of woodcarving craft auxiliary equipment. The artificial woodcarving working platform comprises a base, a lifting device, a rotary device, a working platform, a clamping device, a placing platform and a center support device, wherein the lower end of the center support device is fixedly connected to the left end of the base; the lifting device is fixedly connected to the upper end of the base; the rotary device is fixedly connected to the upper end of the lifting device; the working platform is installed on the upper end of the rotary device; the working platform is horizontally rotated along with the rotary device; and the lower end surface of the placing platform is installed in the center of the upper end surface of the working platform. According to the artificial woodcarving working platform, woodcarving materials are fixedly clamped by the clamping device, the placing platform and the center support shaft, and the working platform can be rotated for 360 degrees by the rotary device of the platform, so that carving is facilitated, the efficiency is high, and the structure is simple.

The invention relates to an automatic paving and planting brick equipment for urban roads, which includes a paving rotating device, a fixing device, a limit device, a walking support device, a pouring and cleaning device and four auxiliary moving devices. The paving rotating device is installed on On the fixed limit device, the fixed device is installed on the bottom of the pavement rotating device, the limit device is installed on the bottom of the pavement rotating device, and the bottom of the walking support device is symmetrically installed with four auxiliary moving devices, the pouring cleaning device and the walking support device connected. The invention can solve the problems of low work efficiency, manual handling of grass planting bricks, and easy deviation when manually correcting the position of grass planting bricks in the existing manual laying of grass planting bricks; it can realize different types of grass planting bricks Perform functions of stable grabbing, positioning and laying, automatic caulking, and stable movement.

The invention discloses an artificial reef which comprises a concrete supporting column and a plurality of concrete reef plate bodies. The cross section size of the concrete supporting column from the top end to the bottom end is gradually increased, a sleeved connection hole matched with the concrete supporting column in arrangement is formed in the center of each concrete reef plate body in a penetrating mode, the concrete reef plate bodies are sequentially arranged at intervals and are in sleeved connection with the concrete supporting column through respective sleeved connection holes. When the artificial reef is used, the concrete supporting column is firstly placed, and then the concrete reef plate bodies are sequentially placed from the top end of the concrete supporting column. During transportation, each artificial reef serves as one unit for transportation, or the same spare parts are transported together, cushion woods are placed among all layers of spare parts to prevent jolting and bumping. Therefore, the artificial reef has the advantages of being simple in structure, simple in installing process and convenient to transport. The artificial reef is manufactured by using the urban construction waste as raw materials and performing regeneration foaming to form regenerated foaming concrete, achieves the effects of utilizing waste and saving existing resources and is low in manufacturing cost.

A current lead assembly for a superconducting motor comprises an epoxy base, a first copper lead, a second copper lead, a third copper lead, a fourth copper lead and a copper cover plate. Four mounting sides of the epoxy resin are used for mounting the copper leads and include two concave sides and two convex sides. The first copper lead is mounted on the first concave side. The second copper lead is mounted on the first convex side. The third copper lead is mounted on the second concave side. The fourth copper lead is mounted on the second convex side. The current lead assembly can be serially connected with three superconducting coils; the superconducting coils are sequentially connected with the four copper leads; a superconducting tape of every superconducting coil is serially connected to the copper leads by welding and is fastened with the copper cover plate.

The invention discloses an inner arc surface polygonal rod tower structure of a multi-axis grinding machine, relates to the field of sand mills, and aims to solve the problem of low grinding efficiency caused by insufficient material grinding of a traditional sand mill. According to the technical scheme, the inner arc surface polygonal rod tower structure is characterized by comprising a barrel body, wherein one end of the barrel body is located on a base, a tower rod is fixedly arranged in the base, the tower rod is arranged in the barrel body in a penetrating mode, the tower rod is arranged at the gravity center position of a triangle formed by connecting three stirring rods, the tower rod comprises two end plates at ends, three wrapping plates are arranged between the two end plates, the adjacent sides of the three wrapping plates in the width direction are sequentially connected, and the three wrapping plates face the three stirring rods respectively; and sticking bars are arranged on the outer side walls of the stirring rods, the rotating radius of the sticking bars is smaller than the distance between the stirring rods and the wrapping plates, the surfaces, close to the sticking bars, of the wrapping plates are arranged in a recessed manner, and the bending radian of the wrapping plates is equal to the radian of the rotating track of the ends, far away from the stirring shafts, of the sticking bars. According to the inner arc surface polygonal rod tower structure, the effect of improving the grinding efficiency of the sand mill is achieved.

The invention discloses a large-specification energy-saving ceramic plate curtain wall structure and a construction method thereof. The curtain wall structure comprises a steel frame assembly, a transverse fixing assembly, a vertical fixing assembly, a ceramic composite plate assembly and an edge and opening closing assembly. According to the large-specification energy-saving ceramic plate curtainwall structure and the construction method thereof, the specific notch embedded parts and capital omega-shaped adapting parts are adopted, detachable connection among all the parts can be achieved, the on-site welding process is omitted, and the steel frame assembly can be conveniently detached at any time; and through position-adjustable connection among an aluminum alloy stand column, the capital omega-shaped adapters and the notch embedded parts, a function that errors can be adjusted at any time is achieved, a T-shaped aluminum alloy inner hanging piece is detachably and fixedly connectedwith a transverse angle steel, a ceramic composite plate assembly is hung on the T-shaped aluminum alloy inner hanging piece through an F-shaped aluminum alloy outer hanging piece, the position precision is adjustable, installing and uninstalling are conducted at any time, maintenance is convenient, steel is saved, and tedious temporary reinforcing measures during solidification of ceramic tile glue in the past are omitted.

The invention discloses a scrap edge cutting device for iron building materials. The scrap edge cutting device for the iron building materials comprises a supporting table, wherein fixing plates are fixedly connected to the two sides of the top of the supporting table; empty cavities are formed in the opposite surfaces of the two fixing plates; fixing blocks are arranged at the bottoms of the empty cavities; springs are fixedly connected to the tops of the fixing blocks; scale plates are fixedly connected to the ends, away from the fixing blocks, of the springs; sliding seats are slidably connected to the scale plates and connected with a protective shell; a supporting rod is fixedly connected to the outer wall of the protective shell; a motor is arranged at the top of the supporting rod,and rotatably connected with a rotating shaft through an output end; the rotating shaft extends into the protective shell and is provided with a cutting knife; the cutting knife is driven to move up and down by vertically moving the scale plates; the motor drives the rotating shaft to rotate to drive the cutting knife to rotate, so that scrap edges of the building materials on a workbench can be conveniently cut; scales are formed on the scale plates, the sliding seats are slidably connected to the scale plates, and the cutting knife is driven to move in the horizontal direction by moving thesliding seats, so that the position of the cutting knife can be conveniently adjusted to realize accurate cutting.

The invention provides a technical scheme of an explosion-proof cover for combined electric appliance cable outgoing lines. According to the technical scheme, the explosion-proof cover comprises a cover body, a fixing buckle is arranged at the combining position of the cover body, the cover body is cylindrical, an observation opening is formed in the cover body and is provided with explosion-proof glass, and a travel switch is arranged between the explosion-proof glass and the cover body and is connected with a warning device. The explosion-proof cover can reduce destructive power of cable outgoing line explosion, accordingly protect the personable safety of a worker and avoid damage of adjacent devices and does not affect normal inspection tour and operation execution.

The invention discloses a constructional engineering horizontal calibrator which comprises an instrument body, wherein a handle is arranged at the top end of the instrument body; an observation mirror is mounted in the center of the front surface of the instrument body; a protection cover is arranged at the top end of the observation mirror; first L-shaped rods are arranged on the left side and the right side of the top end of the rear surface of the instrument body; a first L-shaped plate is connected with the instrument body through a first rotating shaft; second L-shaped rods and fourth L-shaped rods are arranged at the left ends and the right ends of the lower parts of the first L-shaped rods; the second L-shaped rods and the fourth L-shaped rods are both connected with the first L-shaped rods through second rotating shafts; clamping blocks are arranged on the right sides of the second L-shaped rods; clamping grooves are formed in the left sides of the fourth L-shaped rods; and third L-shaped rods are formed in the left side and the right side of the bottom end of the rear surface of the instrument body. The constructional engineering horizontal calibrator has the effect that the calibrator can be arranged on any article in a sleeve manner, the problem that the calibrator can be only placed horizontally is avoided, and the effect that horizontal calibration in multiple angles is achieved by using the calibrator is achieved.

The invention relates to a computer node usable structure. The structure comprises a node case base and a node front window memory and extension module support, wherein step screws are arranged on side walls of the node case base, support fixing holes are formed in the bottom wall of the node case base, bent grooves are formed in bottoms of two side walls of the node front window memory and extension module support and matched with the step screws, and handle plungers are arranged at the back end of the node front window memory and extension module support and matched with the support fixing holes; the structure also comprises a cooling fan module comprising fan frames and cooling fans, and special-shaped fixing holes are formed in the fan frames and matched with rubber nails. The usable structure further comprises a DC power supply module comprising a power supply terminal and a terminal support frame, a manual plunger is also arranged at the front end of the node case base, and the node case base is fixed with a case housing through the manual plunger.

The invention relates to a server node tool-free dismounting mechanism. The mechanism comprises a node case base, and further comprises a node front window storage and expansion module bracket; stepped screws are arranged on the side walls of the node case base; a bracket fixing hole is formed in the bottom wall of the node case base; bent slots are formed in the bottoms of two side walls of the node front window storage and expansion module bracket; the bent slots are matched with the stepped screws; the mechanism further comprises a mainboard processing system module; the mainboard processing system module is fixed to the node case base in a gourd-shaped hole and manual screw matching mode; the mechanism further comprises a cooling fan module; the cooling fan module comprises a fan bracket and a cooling fan; a special-shaped fixing hole is formed in the fan bracket; the special-shaped fixing hole is matched with a rubber screw; a manual plunger is further arranged at the front end ofthe node case base; and the node case base is fixed with a case shell through the manual plunger.

The invention discloses a simple filter press filter board handle. The handle comprises a handle body, the upper end of the handle body is provided with a first connecting hole, the lower end of the handle body is provided with a second connecting hole, the right end of the handle body is provided with a hand insert hole, the hand insert hole is a waist type hole, the hand insert hole is arranged downwardly tilting from left to right, the tilting angle of the hand insert hole is 30-60DEG, the lower end of the handle body is integrally provided with a slide block, a position of the handle body positioned over the slide block is provided with an oil storage cavity, the upper end of the oil storage cavity is provided with a lubricating oil feeding hole, a sealing flip is hinged to one end of the lubricating oil feeding hole, the lower end of the oil storage cavity is provided with an oil discharge hole, the outer end of the oil discharge hole is in threaded connection with a flexible metal conduit, a sponge body is arranged in the oil storage cavity, and the front end surface of the oil storage chamber is fixedly provided with a transparent oil liquid observation window. The simple filter press filter board handle adopting the above technical scheme has the advantages of reasonable structure design, simple structure, flexible movement, labor intensity reduction and working efficiency improvement.

The invention discloses an adhesive tape holder. The adhesive tape holder is characterized in that an elastic ring with a notch is included, fixing plates are arranged at two end openings of the elastic ring, and the fixing plates are integrated with the elastic ring; a cutter structure is arranged in the middle of the elastic ring and comprises a cutter blade, the cutter blade is arranged on a sliding rail through a cutter rest, the sliding rail is arranged in a cavity formed in the elastic ring, a sliding hole is formed in the bottom of the cutter reset, and the cutter rest is buckled on the sliding rail in a sliding mode through the sliding hole; an opening is formed in the front end of the cavity and used for the cutter blade to go in and out, an open groove is formed in the top end face of the cavity, a sliding button is arranged in the open groove and fixedly connected with the cutter rest, and the sliding button can drive the cutter blade to freely go in and out of the cavity; an elastic flake is arranged on the outer wall of the rear end of the cavity and inclines by 15-30 degrees. The adhesive tape holder is suitable for adhesive tape of different specifications, and can conveniently cut the adhesive tape in use, the heads of the adhesive tape can be easily found, and usability is facilitated.

An improved sucker hook comprises a sucker, a hook and a locking pull rod. The locking pull rod is connected to the middle of the sucker through the lever principle, a fixed strip is arranged on the edge of the upper end face of the sucker, the edge of the hook is provided with a fixing groove, and the fixing groove is in matched connection with the fixed strip. According to the improved sucker hook, the structure of the fixed strip arranged on the outer edge of the sucker is adopted and is matched with the fixing groove formed in the side surface of the hook close to the sucker, the high rigidity of a plastic material is utilized to achieve the effects of fixing the outer edge of the sucker and preventing displacement, and the improved sucker hook has the advantage of improving suction degree of the sucker.

The invention discloses a wind-resistant warning board convenient to replace, which comprises a cross rod, a frame is arranged on the cross rod, and a warning sign is detachably arranged in the frame;the frame comprises a fixing plate and a mounting plate, the fixing plate is connected to the cross rod, the mounting plate is hinged to the fixing plate, a mounting groove is formed in the mountingplate, and the warning sign is arranged in the mounting groove; a plurality of fixing strips are arranged on the fixing plate, the cross rod comprises an upper end face and a lower end face, at leasttwo embedding grooves are formed in each of the upper end face and the lower end face, the fixing strips are embedded into the embedding grooves, first threaded holes are formed in the fixing strips,second threaded holes are formed in the embedding grooves, and reinforcing ribs are arranged between the fixing strips and the fixing plate. A penetrating groove is formed in the fixing plate, a penetrating block is arranged on the mounting plate, when the fixing plate is attached to the mounting plate, the penetrating block penetrates through the penetrating groove and the penetrating block, an inserting groove is formed in the penetrating block, the fixing plate is slidably connected with an inserting strip, and a control mechanism for controlling the inserting strip to be inserted into theinserting groove is arranged on the fixing plate. The invention provides a wind-resistant warning board which is good in structural strength and convenient to replace.

The invention discloses a quick fixing device for a current transformer, and relates to the technical field of current transformer fixing. The quick fixing device solves the problems that the currenttransformer is troublesome to fix and the general current transformer cannot be moved after fixing. According to the scheme, the quick fixing device comprises two first rectangular frames, wherein second rectangular frames are fixedly connected to the bottoms of the two first rectangular frames; two sides of each first rectangular frame are respectively provided with clamping and anti-loosening devices slidably connected to the tops of the second rectangular frames; two first rectangular frames are sleeved with two rotating devices; a box body fixedly connected to the rotating devices is arranged between the two first rectangular frames; a plurality of wire through holes are formed in the back surface of the bottom of the box body; and a supporting device is fixedly connected to the bottomof the box body. The quick fixing device can quickly fix the converter, and can carry out certain adjustment if the height is not suitable.

The invention discloses a high-stability steel rack for vegetable planting. The rack comprises ground, a stainless steel rack body is fixedly arranged on the ground, and a supporting rod is fixedly arranged on a connection rod; the supporting rod has the function of fixing the stainless steel rack body, limit rods are aslant arranged on the two side walls of the supporting rod, and convenience isprovided for the limit rods to have better limiting and fixing functions on the stainless steel rack body; a first bearing is arranged on the lower surface of the connection rod, a threaded rod is fixedly arranged in the first bearing, and a pull rod is in threaded connection with a fixing disc; under the effect of a limit sleeve, the threaded rod downward moves conveniently so that the pull rod can be pulled downward, and convenience is provided for the stainless steel rack body to be better fixed, so that the stability of the stainless steel rack body is better; an insertion cone is aslant arranged on the lower surface of the fixing disc and used for fixing the pull rod, the threaded rod can be better stretched, so that the threaded rod better pulls the connection rod, and convenience isprovided for the stainless steel rack body to be better fixed.

The invention discloses an ultrathin rough double-layer warp-knitted fabric production device. The ultrathin rough double-layer warp-knitted fabric production device comprises an operating table and afirst knitting disc; the lower end of the operating table is provided with operating table stand columns in parallel; a beam is arranged above the first knitting disc; the lower ends of both sides ofthe beam are provided with beam support columns close to the upper end of the operating table; one side of the first knitting disc is provided with a second knitting disc, and the lower ends of boththe first knitting disc and the second knitting disc are provided with knitting disc stand columns; a first conveying belt is arranged between the first knitting disc and the second knitting disc; thebottom of one end of the first knitting disc is provided with a second conveying bag. By means of a rotating shaft, gears, a knitted fabric fixing cavity and a pressure rod, the ultrathin rough double-layer warp-knitted fabric production device can improve the knitting uniformity and facilitate fixation of primary products, and meanwhile, can orderly and conveniently cut knitted products, therebybeing applicable to different working conditions and having a good application prospect.