234results about How to "Increase usage intensity" patented technology

The invention relates to the field of coal gasification chilled water, in particular to a coal gasification chilled water filtering system which comprises at least two filter bodies connected into a coal gasification chilled water system and arranged in parallel, and each filter body comprises a shell, a V-shaped sieve plate, a sieve plate flushing assembly and a shell flushing assembly. According to the coal gasification chilled water filtering system, on-line automatic dual cleaning of the filter body can be achieved, under the condition that normal operation of the filtering system is not affected, high-pressure grey water of a coal gasification grey water system is used for cleaning the sieve plate from the upper portion through the top flushing spray head, the inner wall of the shell is flushed through the combination of the side flushing pipe, and the filtering effect is good. The flushing effect of the filter body is improved, the service life of the filter body is prolonged, recycling of the filter body is achieved, the problems that at present, ash blocks the filter, chilled water supply is insufficient, and a gasification furnace cannot operate for a long period are solved, the working intensity of workers is reduced, and the production investment cost is saved.

The invention discloses a magnesia spinel brick for new energy motor silicon steel refining and a preparation method thereof, 75-80 parts of macrocrystalline magnesia material, 10-15 parts of zirconium material and 5-8 parts of composite additive are used as raw materials, and an additional binding agent accounts for 2.5-3.5% of the total weight of the raw materials; the magnesium spinel brick is prepared through the steps of burdening, mixing, vibration pressure forming, drying and the like, in a high-temperature use environment, an in-situ reaction is carried out to generate a main product which is a complex-phase solid solution of MgAlON and Al2OC-AlNss, and the magnesium spinel brick not only has excellent corrosion resistance of nitride, but also has the advantages of high thermal conductivity, low thermal expansion coefficient, good impact resistance and the like of carbide, and is suitable for industrial production. The use performance of the magnesia spinel brick is obviously improved, and meanwhile, the porosity is reduced; the magnesium spinel brick is simple in production process, few in used raw materials and simple in technological process, the magnesium spinel brick which is high in strength, free of inclusion, stable in thermal shock performance and the like can be produced, the using effect is more excellent, and production of silicon steel for new energy motors is met.

The utility model discloses an anti-impact spiral corrugated pipe which comprises a pipe body, connecting ends are fixed to the two ends of the pipe body, an anti-impact assembly is arranged in the pipe body, the anti-impact assembly comprises reinforcing ribs arranged in the pipe body at equal angles, rubber blocks are fixed to the surfaces of the inner sides of the reinforcing ribs at equal intervals, and the rubber blocks are fixed to the surfaces of the inner sides of the reinforcing ribs at equal intervals. The surface of the rubber block is connected with the inner wall of the pipe body in a bonding manner; according to the spiral corrugated pipe, through the designed anti-impact assembly, the impact resistance of the spiral corrugated pipe during use is improved conveniently, the use strength of the spiral corrugated pipe is improved, and therefore the spiral corrugated pipe is not prone to deformation and damage when subjected to external impact, the service life of the spiral corrugated pipe can be prolonged, and practicability is good; and through the designed sealing assembly, the sealing performance of the spiral corrugated pipe when the spiral corrugated pipe is connected with other pipelines can be conveniently improved, so that the spiral corrugated pipe does not leak during water drainage or pollution discharge, and the practical effect is good.

The utility model discloses a box-type steel member which comprises a box-type steel assembly 1 and water passing grooves linearly formed in the periphery of the outer wall of the box-type steel assembly at equal intervals, and a reinforcing supporting assembly is fixedly installed in an inner cavity of the box-type steel assembly in a threaded mode. According to the utility model, an operator inserts the hollow built-in block into the inner cavity of the box-shaped frame, the hollow built-in block is directly moved to the bearing position according to the weight supporting position, the insertion long rod slides in the inner cavity of the fixed long groove, and the hollow built-in block is fixed by the operator after the setting position of the hollow built-in block is determined. The position of the inserting long rod in an inner cavity of the erecting mechanism is fixed through the limiting mechanism, then the inserting long rod is fixedly installed on one side of a groove opening of a fixing long groove in a threaded mode through a positioning nut, and a hollow built-in block is movably adjusted to be arranged in an inner cavity of the box type steel assembly. By means of the arrangement, an operator can adjust the supporting position of the hollow built-in block according to the actual supporting use requirement, and the use strength and the supporting effect of the box type steel assembly are improved.

The utility model discloses a novel aluminum alloy door and window corner connector connecting structure which comprises an L-shaped corner connector body, the two ends of the corner connector body are connected with a first sectional material and a second sectional material respectively, a plurality of glue injection grooves are formed in the corner connector body, every two adjacent glue injection grooves are communicated, and the first sectional material and the second sectional material are arranged in the corner connector body. The inner wall of the first profile and the inner wall of the second profile are provided with glue injection plates matched with the glue injection grooves, the glue injection plates are connected into the glue injection grooves in an inserted mode, and glue injection holes are formed in the corner brace body or the first profile or the second profile; the corner connector has the advantages that the glue injection groove is designed in the corner connector body, the glue injection plate is designed in the door and window profile, the glue injection plate is inserted into the glue injection groove and glue is injected during installation, the injected glue penetrates into the corner connector body, the bonding strength is remarkably improved, and therefore the service life of a door and a window is prolonged, and the use strength of the door and the window is improved. And meanwhile, the glue injection groove saves materials, the glue injection plate is beneficial for further improving the strength of the profile, and the device is worthy of wide-range popularization and application.

The utility model relates to the technical field of pressure gauges, and discloses a pressure gauge with a protection device, which comprises a pressure gauge body, connection mounting blocks are symmetrically arranged on the outer side of the surface of the pressure gauge body, a connection protection mechanism is arranged on the outer side of the surface of the pressure gauge body, and indexes and pointers are arranged on the inner side of the pressure gauge body. The outer side of the surface of the pressure gauge body is provided with a connection reinforcing mechanism, and the connection reinforcing mechanism is located between the surfaces of the adjacent connection installation blocks. According to the utility model, the connection installation blocks and the connection protection mechanism can be rapidly connected through the arrangement of the connection installation blocks and the connection protection mechanism; therefore, the connection protection mechanism can be installed and fixed, the connection protection mechanism can provide stable protection for the pressure gauge body, the pressure gauge body can be prevented from being damaged, the pressure gauge body can be stably used, and operation is convenient.

The invention discloses a new energy automobile power battery strength improving structure, and relates to the technical field of new energy batteries, the new energy automobile power battery strength improving structure comprises a mounting end cover and a protective outer box, the bottom end of the mounting end cover is fixedly provided with a battery bottom box, and the outer side of the protective outer box is slidably provided with a first sliding side plate and a second sliding side plate; and one side of the first sliding side plate and one side of the second sliding side plate are hinged to first damping springs through connecting rods, a linkage mechanism is arranged in the protective outer box, and an anti-scraping mechanism is arranged in a third mounting hole in the bottom end of the protective outer box. In the invention, a plurality of first sliding side plates and a plurality of second sliding side plates are in meshing transmission through bevel gears at two ends of a first mounting shaft and a second mounting shaft, and a mounting bottom plate is meshed with a second gear through a plurality of second racks, so that when any side of the periphery and the bottom end of the protective outer box is impacted, the protective outer box can be protected; and a plurality of first damping springs and second damping springs absorb impact at the same time, so that the battery module can be protected to the greatest extent.

The invention discloses a multifunctional cleaning and protecting brush with a magnetic interlayer, and belongs to the technical field of cleaning and protecting tools. A multifunctional cleaning and protecting brush with a magnetic interlayer comprises a main body with a working face and an operating face and brush structures arranged on one side of the main body, the brush structures are arrayed on the working face of the main body at equal intervals, a reinforcing structure is arranged on the operating face, and a grab handle is fixedly connected to the center of the operating face; the grab handle is arranged in the center of the main body and matched with the arrangement of the reinforcing structures on the operation face, the use strength of the main body can be effectively enhanced, in addition, in cooperation with the design of the brush structure, various forms of washing and protecting conditions can be completed, and the applicability of the whole washing and protecting brush is improved.

The utility model relates to the technical field of PVC (polyvinyl chloride) pipes, and discloses a high-temperature-resistant flame-retardant macromolecular PVC pipe which comprises an inner pipe body, a high-temperature-resistant layer is fixedly connected to the surface of the inner pipe body, a heat-insulating layer is fixedly connected to the surface of the high-temperature-resistant layer, an outer pipe sleeve is arranged on the surface of the heat-insulating layer, a fireproof layer is coated on the surface of the outer pipe sleeve, and the fireproof layer is coated on the surface of the outer pipe sleeve. The flame retardant is arranged in the outer pipe sleeve, when flame burns into the outer pipe sleeve through the outer pipe sleeve, the flame retardant can effectively conduct flame retardance, and under the action of the high-temperature-resistant layer and the heat insulation layer, the temperature inside and outside the pipe can be effectively isolated; therefore, the liquid flowing in the pipe is prevented from being influenced by the temperature outside the pipe, the heat preservation effect on the liquid in the pipe is improved, and the high-temperature-resistant layer and the heat insulation layer have the flame-retardant effect.

The invention provides an anti-falling device for building construction management, which structurally comprises balance blocks, positioning blocks, locking bodies, grooves and a protective structure, the balance blocks are arranged at the upper and lower positions of the positioning blocks, the positioning blocks are mounted on a building through the locking bodies, and the positioning blocks are connected with the two ends of the protective structure through the grooves; on the basis of the stainless steel positioning block and the locking body, the two ends of the anti-rust body can be positioned through the grooves, then the anti-rust body is fixed through a rebound frame, a rubber block and a magnetic attraction block, the effect of convenient disassembly and assembly is achieved, and then building falling objects can be effectively received and positioned through a rebound net and an elastic block in a receiving groove; and an original pure wood support and an independent rebound net are replaced, so that the durability is improved, the situation that the whole rebound net is punctured due to impact force is prevented, and the actual use strength of the anti-falling object can be improved.

The utility model discloses a high-strength environment-friendly corrugated board for packaging, which comprises a first paper board, a second paper board is movably mounted on one side of the first paper board, first foam boards are fixedly adhered to two sides of the first paper board, and second foam boards are fixedly adhered to two sides of the second paper board. And multiple layers of corrugated paper are fixedly mounted in the first paperboard and the second paperboard, and arc-shaped paper edges are fixedly mounted on the inner sides of the corrugated paper. The double-layer corrugated board is arranged, the double-layer corrugations are installed in the double-layer corrugated board, the arc-shaped supporting paper edges are further installed in the corrugations, the two ends of the arc-shaped supporting paper edges are adhered to the inner sides of the corrugations, the corrugations are extruded and deformed in the using process, the arc-shaped supporting paper edges support the corrugations, the supporting and using strength of the corrugations is improved, and the service life of the corrugated board is prolonged. The double-layer corrugations are arranged, the use strength of the carton is effectively improved, the whole carton is made of paper and can be degraded and recycled, pollution to the environment is reduced, and the carton is more environmentally friendly.

The utility model relates to a high-strength lateral bending type lace zipper tape, which belongs to the technical field of lace fabric clothes design and comprises two lace fabrics, connecting strips are fixedly connected onto the two lace fabrics, and protective mechanisms are arranged on the two connecting strips. According to the high-strength lateral bending type lace zipper tape, by arranging the protection mechanism, the zipper tape has a protection function, the effect of limiting the zipper tape body after the zipper tape body is meshed is achieved, the zipper tape body is prevented from being damaged under the condition of long-time pulling, meanwhile, after the zipper tape body is damaged, two pieces of lace fabric are combined, and the zipper tape body is prevented from being damaged. The connecting strips are formed by cutting the elastic fabric and used for buffering the zipper tape body, the zipper tape body is prevented from being damaged under large-force pulling, the zipper tape body is made of engineering plastics, the use strength of the zipper tape body is improved, a user can use the zipper tape conveniently, and the practicability of the zipper tape is improved.

The utility model discloses a multi-wedge type reverse sliding clutch, which comprises a central sleeve and a pressure plate, the central sleeve comprises an end plate and an annular part, no less than four groups of inner convex structures are distributed on the wall of an inner hole of the annular part in a circumferential array mode, and wedge blocks with the same number as the inner convex structures are distributed on the inner side of the pressure plate in a circumferential array mode. The wedge block is provided with an inclined surface on the side wall in the circumferential direction of the pressure plate, and the end part of the inner convex structure is provided with a chute matched with the wedge block; hollow columns extending into the annular part are distributed on the inner side of the pressing disc, connecting columns extending into the hollow columns are distributed on the inner side of the end plate, limiting pieces are installed at the ends of the connecting columns, sinking tables are arranged at the ends, close to the end plate, of the hollow columns, the connecting columns are sleeved with elastic elements, and the two ends of the elastic elements are supported on the sinking tables and the limiting pieces respectively. The inner convex structures and the connecting columns are sequentially and alternately distributed in the annular part in the circumferential direction. The pressing plate has the beneficial effects that four or more wedge blocks are arranged, so that the pressing plate moves more stably, and the eccentric wear phenomenon is not prone to occurring.

The utility model relates to corrugated case technical field discloses a kind of buckling type corrugated cases of foldable flat storage, including carton main body, bottom paperboard, side paperboard, front end paperboard, the front end paperboard is fixed in the front and rear position of bottom paperboard top, iron sheet is fixed in the second cover plate, magnetic attraction piece is fixed in the first cover plate.The utility model is by using bottom paperboard, side paperboard, front end paperboard jointly surrounds to form carton main body, and it is formed in the intermediate position of side paperboard and front end paperboard with flexible foldable end, it is provided with a section of flexible bending plate at the connecting place of bottom paperboard and front end paperboard, thus when folding and storing to carton main body whole, folding inward at the position of foldable end, so that the uppermost layer of this carton main body folds downward, based on the bendable design of each connecting place, it is convenient to fold and compress to carton main body whole, make it tend to flat state, and then improve the storage capacity of whole.

The utility model discloses a simulation wall used for a battery thermal runaway unit test, which belongs to the technical field of energy storage system thermal runaway tests and comprises a transport vehicle, a positioning installation assembly is arranged in the transport vehicle, an angle iron inner frame is arranged at the upper end of the transport vehicle, and a square steel outer frame is arranged on the surface of the angle iron inner frame. Jacks are arranged on the two sides of the square steel outer frame, driving rods are arranged on one sides of the jacks, bolt holes are formed in the angle iron inner frame, plywood is arranged on one side of the angle iron inner frame, a gypsum board is arranged on one side of the plywood, and positioning bolts are arranged in the gypsum board. According to the utility model, the plywood and the gypsum board are adopted to adapt to two use environments of a wood structure and a brick soil structure, the flexible movement of the simulation wall can be realized by utilizing the jack and the transport vehicle, the operation convenience of a test site is greatly improved, and the installation convenience of the square steel outer frame is ensured by arranging the positioning installation assembly.

This utility model discloses a chassis protection frame in the field of personal mobility scooter technology, including a chassis, a mounting frame on the underside of the chassis, a mounting groove on the outer side of the mounting frame, multiple sets of protective frames inside the mounting groove, two sets of positioning blocks fixedly mounted on the upper side of each set of protective frames, and two positioning grooves for mating the positioning blocks on the upper side of the mounting groove. The positioning blocks are movably inserted into the positioning grooves. Mounting holes are provided through the outer sides of the mounting frame and positioning blocks, and fixing rods are movably inserted into the inner side of the mounting holes. The outer sides of the fixing rods, located on both sides of the mounting frame, are provided with threaded surfaces, and locking nuts are threaded onto the outer sides of both sets of threaded surfaces. This utility model, through its simple installation structure, facilitates the assembly and disassembly of the protective frame, improves the ease of installation and disassembly, reduces workload, and increases work efficiency. Furthermore, it allows for easy replacement of damaged parts, effectively reducing maintenance costs and avoiding resource waste. Its practical effect is excellent and worthy of promotion and use in the current market.

The utility model relates to the technical field of PP pipes, and discloses a flexible high-strength modified PP pipe which comprises a pipe body, a deformation-resistant layer is fixedly connected to the inner wall of the pipe body, a high-temperature-resistant layer is fixedly connected to the inner wall of the deformation-resistant layer, a first antibacterial layer is coated on the inner wall of the high-temperature-resistant layer, a wear-resistant layer is coated on the surface of the pipe body, and a second antibacterial layer is coated on the inner wall of the wear-resistant layer. By arranging the deformation-resistant layer, the overall deformation-resistant capacity of the device is improved, meanwhile, under the action of the high-temperature-resistant layer, when the temperature of liquid flowing in the device is too high, the device is prevented from being damaged, by arranging the first antibacterial layer, the overall antibacterial performance of the device is improved, and the service life of the device is prolonged. By arranging the wear-resistant layer, the wear resistance of the surface of the device is improved, and by arranging the reinforcing assembly, the overall use strength of the device is improved.

The utility model provides an aluminum carbide wood composite board convenient to assemble, belongs to the field of composite boards, and aims to solve the problem of inconvenience in strengthening fire prevention and moisture resistance. The aluminum carbide wood composite board comprises an aluminum carbide wood composite board body, a moisture-proof layer is fixedly connected in the aluminum carbide wood composite board body, and a through groove is formed in the aluminum carbide wood composite board body; a clamping groove is formed in the carbonized aluminum wood composite board, a mounting plate is arranged in the through groove, a spring is fixedly connected into the mounting plate, a limiting plate is fixedly connected to the spring, and a check block is fixedly connected to the limiting plate. When the aluminum carbide wood composite board is used, the reinforcing effect can be achieved through the honeycomb-shaped aluminum honeycomb layer, the use strength can be improved, the aluminum honeycomb layer is filled with the fireproof filling particles, the fireproof layer is matched, the fireproof effect of the aluminum carbide wood composite board can be improved, the damp-proof layer is arranged in the aluminum honeycomb layer, the situation that the protection effect is affected by damp is reduced, and the service life of the aluminum carbide wood composite board is prolonged. And the installed sound insulation layer can control generation of noise, and the using effect is improved.

The utility model discloses a high-strength anti-deformation automobile roof luggage rack assembly which comprises a luggage rack longitudinal rail, transverse rods are installed on the two sides of the upper portion of the luggage rack longitudinal rail, a main luggage frame is fixed to the upper portions of the transverse rods, and a support is fixed to the inner side of the main luggage frame. Through cooperative use of the supports, the first bolts, the connecting blocks and the second bolts, in the using process of the device, the supports are fixed to the four corners of the inner side of the main luggage frame and the two corners of the inner side of the first luggage frame and the two corners of the inner side of the second luggage frame through the first bolts correspondingly; the supports can enhance the internal stability of the main luggage frame, the first luggage frame and the second luggage frame, the use strength is improved, the first luggage frame and the second luggage frame are fixed to the main luggage frame through the connecting blocks and the second bolts, and the first luggage frame and the second luggage frame can be prevented from shaking in the vehicle running process; and the first luggage frame and the second luggage frame are prevented from deforming.

The invention discloses an abrasive cloth joint laser edging processor and an edging method thereof, a belt conveyor is arranged on a rack, and laser heat treatment equipment, a gluing machine, a dryer and a fiber adhesive tape pasting machine are sequentially arranged on the rack in the advancing direction of the belt conveyor; and the belt conveyor, the laser heat treatment equipment, the gluing machine, the drying machine and the fiber adhesive tape pasting machine are controlled by the PLC to work in a coordinated manner. According to the edge grinding processor, laser heat treatment equipment is used for replacing a grinding head of common edge grinding equipment to grind the edge of an abrasive belt joint, on one hand, a large amount of dust is avoided, and the working environment is facilitated; secondly, the abrasive belt auxiliary materials are carbonized at high temperature by means of laser, the shape of a carbonized area is accurate, controllable and attractive, the flatness of the auxiliary materials is good, and thirdly, the distance between a laser source and the abrasive belt can be adjusted to adapt to the auxiliary materials with different thicknesses on the abrasive belt; the abrasive belt joint production process is controllable in quality, stable in quality, convenient to operate and high in edge grinding efficiency. The production process of the method is controllable and reliable in quality.

The mounting platform comprises a folding trailer body, the folding trailer body is provided with a plurality of side support assemblies, each side support assembly is formed by intersecting two straight rods to form an X shape, the two straight rods rotate at the intersection positions, a first wheel is arranged at the bottom of one end of the folding trailer body, and a second wheel is arranged at the other end of the folding trailer body; the cross position of the side support assembly is sleeved with a hanging platform, the side support assembly can rotate within a preset angle relative to the hanging platform, the hanging platform does not move along with the side support assembly, and the end where the first wheel is located is connected with a pull rod. The arrangement of the mounting platform does not influence the strength of the vehicle body, but can improve the use strength of the vehicle body, and the mounting platform does not rotate along with the rotation of the side bracket, so that the hung articles are prevented from inclining, the practicability is better, the structure is simple, the cost is low, and the product competitiveness is effectively improved.

The utility model relates to a dustproof and waterproof elevator call-out box which comprises a box cover and a bottom shell. The bottom shell is provided with a rectangular opening communicated with an inner cavity of the bottom shell, the rectangular opening faces the box cover, and the box cover covers the rectangular opening to form a mounting cavity. Folded edges are horizontally arranged on four outer side walls of the bottom shell at the rectangular opening, and the side walls of every two adjacent folded edges are connected, so that the four folded edges form a sealing convex edge; a first sealing gasket is arranged on the sealing convex edge and covers the whole sealing convex edge, so that when the box cover and the bottom shell are connected in a matched mode, the first sealing gasket is located between the sealing convex edge and the inner side wall of the box cover, and the mounting cavity is sealed. According to the elevator call-out box, the sealing convex edge is arranged, and the first sealing gasket is arranged on the sealing convex edge, so that the sealing area of the sealing surface is increased, the dustproof and waterproof performance of the mounting cavity in the elevator call-out box is further guaranteed, and the service life of electronic components in the elevator call-out box is prolonged.

The utility model discloses pedal disinfection equipment for a livestock farm, and relates to the field of pedal disinfection equipment. The pedal disinfection equipment for the livestock farm comprises a basin body, a reinforcing layer is arranged on the surface of the basin body, a wear-resistant layer is arranged on the surface of the reinforcing layer, the reinforcing layer comprises an ABS plastic layer, a PC plastic layer is arranged on the outer surface of the ABS plastic layer, the thickness of the PC plastic layer is the same as that of the ABS plastic layer, the wear-resistant layer comprises a PSU plastic layer, and the PSU plastic layer is arranged on the outer surface of the ABS plastic layer. A PA plastic layer is arranged on the outer surface of the PSU plastic layer. According to the pedal disinfection equipment for the livestock farm provided by the utility model, the effect of enhancing the use strength of the basin body in the use process is achieved through the enhancement layer, the problem that the basin body is easily damaged due to poor strength in the use process is solved, and the effect of good wear-resistant effect on the basin body in the use process is achieved through the wear-resistant layer; the problem that the basin body is prone to abrasion in the using process is solved.

The utility model discloses a keel lamp structure which comprises a main sectional material, the main sectional material comprises a first connecting part, a mounting cavity is formed in the first connecting part, and a plurality of positioning edges are arranged on the inner walls of the two sides of the first connecting part in a protruding mode; the two sides of the upper end of the first connecting part are each provided with a first installation part in a protruding mode. The two sides of the lower end of the first connecting part are each provided with a clamping part, and the clamping parts are elastic. According to the utility model, the multi-gear adjustment of the connection height between the auxiliary profile and the main profile can be realized, the use is more flexible, the use strength is higher, and the sliding assembly with a suspended ceiling is facilitated.

The utility model discloses a bendable PVC safety guardrail which comprises a first PVC guardrail body, the bottom ends of supporting legs of the first PVC guardrail body are fixedly connected with a bottom plate, and the upper portion of the first PVC guardrail body is rotationally provided with a second PVC guardrail body through hinges. A first supporting and limiting component is installed at one end of the top of the bottom plate and connected with the second PVC guardrail body in the vertical state, and a second supporting and limiting component is installed at the other end of the top of the bottom plate and connected with the second PVC guardrail body in the bent state. The first supporting and limiting parts increase the overall use strength of the PVC safety fence, the stability of the PVC safety fence in the normal height use state is guaranteed, the second supporting and limiting parts prevent the bent second PVC fence body from shaking, and the use stability of the bent PVC safety fence is further improved.

The utility model discloses a prefabricated floorslab and prefabricated floorslab connecting node which comprises a connecting base, a plurality of evenly distributed grooves are formed in the left end and the right end of the connecting base respectively, a steel bar is connected in each groove in a sliding mode, and a floorslab body is fixedly connected to the outer side of each steel bar. The two floor bodies are both in contact with a connecting base, and a reinforcing plate is fixedly connected to the outer side of the connecting base. According to the utility model, the relative positions of the floor body and the connecting seats can be preliminarily limited by designing the insertion connection of the grooves and the reinforcing steel bars, the relative positions of the connecting strips and the connecting seats can be fixed by the insertion connection of the insertion rods and the insertion holes, and meanwhile, the second connecting holes are communicated with the second communicating holes; when bolts or other connecting pieces are inserted into the second connecting holes and the second communicating holes, the connecting strips can be connected with the floor slab body, then the connecting bases, the connecting strips and the floor slab body can be combined and connected, and connection and combination of prefabricated floor slabs are facilitated.

The invention relates to a multi-layer brazing composite material which comprises a core material layer, a brazing layer and a middle layer located between the core material layer and the brazing layer, and the alloy of the core material layer comprises, by weight, 0.4%-0.8% of Si, 0.4%-1.2% of Cu, 1.0%-2.0% of Mn, 0.1%-0.6% of Mg, smaller than or equal to 0.5% of Zn, smaller than or equal to 0.7% of Fe and Zirt; 0.15% by weight, Tilt; 0.15 wt%, Cr < lt >; 0.15% by weight, inevitable impurities each having a content of less than 0.05% by weight and a total content of less than 0.2% by weight, and a remainder of Al; the alloy of the middle layer comprises the following components in percentage by weight: 0.2-1.0% of Si, less than or equal to 0.2% of Cu, 1.0-2.0% of Mn, less than or equal to 0.1% of Mg, less than or equal to 2% of Zn, less than or equal to 0.7% of Fe and Zrlt; 0.15% by weight, Tilt; 0.15 wt%, Cr < lt >; 0.15% by weight, inevitable impurities each having a content of less than 0.05% by weight and a total content of less than 0.2% by weight, and a remainder of Al. The multi-layer brazing composite material has the advantages of being low in carbon, environmentally friendly, capable of being lightened, good in mechanical property and high in corrosion resistance.

The utility model discloses a sound insulation aluminum profile reinforcing structure, and particularly relates to the technical field of aluminum profiles, the sound insulation aluminum profile reinforcing structure comprises an aluminum profile outer frame, a sound insulation reinforcing protection device is arranged in the aluminum profile outer frame, and the sound insulation reinforcing protection device comprises a supporting stabilizing assembly and a sound insulation protection assembly. The supporting and stabilizing assembly is arranged on the outer wall of the sound insulation protection assembly. Compared with the prior art, the sound insulation aluminum profile reinforcing structure has the advantages that when the sound insulation protection assembly is used, the sound insulation cotton is installed in the sound insulation inner cover arranged in the sound insulation protection assembly for sound insulation, and the problem that an aluminum profile outer frame does not have the sound insulation effect when used is solved; and the device performs stable cross-shaped supporting work through a cross-shaped supporting frame arranged in the sound insulation protection assembly, so that the stability and the use strength of the aluminum profile outer frame during use are further enhanced.

The utility model relates to a kind of reinforced concrete electric pole in the technical field of concrete electric pole, including concrete electric pole body, the inside top end and bottom end of the concrete electric pole body are equipped with positioning assembly, inside reinforcing cage is equipped between the positioning assembly, reinforcing assembly is equipped between the positioning assembly, the surface outside of inside reinforcing cage and reinforcing assembly is wound with winding steel cable, the reinforcing assembly includes reinforcing rod, the surface outside of the reinforcing rod is equipped with a plurality of first reinforcing block equidistantly, first recess is set in the end of the first reinforcing block, by the reinforcing assembly equipped, the connection between inside reinforcing cage can be stably strengthened, so that the overall use intensity of inside reinforcing cage is improved, so as to be able to improve the overall use intensity, reinforce overall, it is convenient and fast to operate.