34results about How to "Not easy to bend and damage" patented technology

The invention discloses a cell winding needle mechanism and a cell winding method. The cell winding needle mechanism comprises a winding needling base and a winding needle connected with the winding needling base; a tab positioning plane is arranged on the winding surface of the winding needling; the winding needling comprises a left needle body and a right needle body which are symmetrically arranged left and right, and an upper needle body and a lower needle body which are symmetrically arranged up and down; a clamping slit which can be used for tightly clamping / loosening a diaphragm is formed between the left needle body and the right needle body; an avoidance slit which is connected with the clamping slit is formed in each of the upper needle body and the lower needle body in a run-through manner separately; and the winding needle base is provided with a left and right needle body displacement driving apparatus which drives the left needle body and the right needle body to move in left and right directions to be far from each other / close to each other, and an upper and lower needle body displacement driving apparatus which drives the upper needle body and the low needle body to move in up and down directions to be far from each other / close to each other. When the cell winding needle mechanism is adopted for winding, the tab is tightly attached to the plane of the winding needle, so that the tab is not bent and damaged easily; the long axis and the short axis of the winding needle are low in difference, so that tension fluctuation is relatively low; and therefore, over high shaking on a pole piece can be avoided, and production efficiency is improved.

The invention discloses a PTC heater heat sink strip with good structural strength. The PTC heater heat sink strip comprises an upper fixed plate and a lower fixed plate connected with a heating core of a PTC heater, wherein a plurality of S-shaped cooling fins are uniformly arranged between the upper fixed plate and the lower fixed plate; and a plurality of trapezoidal reinforcing rib bulges are uniformly arranged on the S-shaped cooling fins. The PTC heater heat sink strip has the advantages that the structure is novel, the cooling fins take the place of an original straight surface and inclined surface type structure by adopting an S-shaped curved surface structure, the contact area is increased, the heat dissipation effect is good, the safety factor is high, the occurrence of condensation phenomenon can be prevented, normal operation of the machine is guaranteed, a plurality of trapezoidal reinforcing rib bulges are additionally arranged on the cooling fins at the same time, the whole structural strength of the cooling fins is strengthened, the PTC heater heat sink strip is unlikely to be bent and damaged, and the service life is long.

The invention discloses a hollow transparent plate with a multilayer structure, and the sound insulation performance of the hollow transparent plate can be improved. The hollow transparent plate comprises a polycarbonate upper cover plate, a polycarbonate lower cover plate, a sound insulation layer, a heat insulation layer, a structure strengthening layer, a first partition plate and a second partition plate, wherein the lower end of the polycarbonate upper cover plate is provided with the sound insulation layer, the lower end of the sound insulation layer is provided with the first partitionplate, the lower end of the first partition plate is provided with the heat insulation layer, the lower end of the heat insulation layer is provided with the second partition plate, and the lower endof the structure strengthening layer is provided with the polycarbonate lower cover plate. The sound insulation layer can absorb noise and improve the sound insulation performance of the hollow transparent plate; the heat insulation layer can improve the heat insulation performance; a transparent aerogel filler in the heat insulation layer can further improve the sound insulation performance; andthe structure strengthening layer is arranged, so that the structure of the hollow plate is more stable and is not easy to bend and damage.

The invention discloses a thermal insulation protection type carrier communication submarine cable and belongs to the field of a cable. The cable comprises a central conductor, wherein an inner-layerinsulator, an outer conductor, a middle sheath, an outer-layer insulator and an outer sheath are sequentially wrapped outside the central conductor from inside to outside, extremely heat preservationmaterials are doped in the outer-layer insulator, a reinforcing armor layer is clamped between the middle sheath and the outer-layer insulator, the space among the middle sheath, the reinforcing armorlayer and the outer-layer insulator is further vacuumized, and selective thousand-foot guide claws are densely distributed on a surface of the outer sheath. The extremely thermal insulation materialsare adopted and applied to manufacturing of submarine cables, the effect of prolonging the heat preservation period is very considerable, the selective thousand-foot guide claws are additionally arranged on a surface of the submarine cable, the selective thousand-foot guide claws can select specific submarine microorganisms to be attached, an external protective layer is naturally formed by utilizing the submarine microorganisms, protection of the submarine cable is enhanced, and stability of signal transmission is remarkably improved.

The invention belongs to the technical field of auxiliary fixing devices, and particularly relates to a fixing plate for a vehicle charger electric wire. The fixing plate comprises a plate body, two clamping plates which are arranged at the two sides of the side face of the plate body and used for clamping and fixing a charger main unit and a clamping block which is arranged on the upper surface of the plate body and used for fixing a connecting wire. Through the arrangement of the plate body, the clamping plates and the clamping block, the purpose of effectively fixing the charger connecting wire is achieved. The fixing pate has the advantages that the structure is simple and effective, the connecting wire is convenient and fast to fix and operate, the fixing and using effect is good, and the connecting wire is not easily bent and damaged.

The invention discloses a production process for a hard core winding pipe. According to the technical scheme, the production process for the hard core winding pipe comprises the following steps that 1, raw materials are mixed; 2, the mixed raw materials are extruded through an extruder; 3, forming is conducted through an extruding mold head; 4, vacuum shaping and cooling are conducted; 5, the materials are dragged out through a dragger; 6, the materials are cut through a cutting machine; and 7, the materials are turned over through a material turnover frame. In the step 4, gravity-free suspension type vacuum shaping and cooling are adopted. According to the production process for the hard core winding pipe, gravity bending is overcome in the cooling forming process of the hard core winding pipe, and the straightness of the core winding pipe is ensured.

The invention relates to the technical field of house building construction, and discloses a house building construction protective fence. The house building construction protective fence comprises a base and a handrail arranged on the base, wherein lifting structures for driving the handrail to lift are arranged on the base, an accommodating groove is formed in the rear end of the base, first fixing holes and second fixing holes are formed in the upper end surface of the base, each lifting structure comprises a first fixing rod slidably arranged in the corresponding first fixing hole, a second fixing rod slidably arranged in the corresponding second fixing hole and a driving assembly arranged inside the accommodating groove, and the upper end surfaces of the first fixing rods and the upper end surfaces of the second fixing rods are connected to the handrail. The house building construction protective fence has the effect that time and labor are saved when the protective fence is mounted.

The invention discloses a safety valve verification tool which comprises a pressure test pump. The pressure test pump is installed on one end of a base. A storage box is arranged in the center of thetop of the base. A pressure water outlet is disposed on the outer side of the pressure test pump. One end of the pressure water outlet is fixedly connected with a pressure pipe joint. One end of the pressure pipe joint is connected with the storage box. The storage box has a built-in wire take-up reel. A rotating shaft passes through the center of the wire take-up reel. One end of the rotating shaft is connected to the inner wall of the take-up reel through a bearing, and the other end of the rotating shaft is provided with a rotating handle. A metal hose is wound around the wire take-up reel.The metal hose connects a flange cover with an inlet flange at a high place or a limited field, so as to avoid verification limitation caused by the removal of a safety valve or the inconvenience ofcarrying the pressure test pump. The metal hose supported by a stainless steel wire has a good pressure bearing capacity and a long service life, and is not liable to bend and damage.

The invention discloses a cutter for a lawn ventilator. The main points of the cutter provided by the invention are as follows: the cutter comprises a rotating shaft, a hitching leg support, mountingdisks, supporting disks, cutter shafts and blade assemblies; the left end of a short axis of the rotating shaft is rotatably arranged in the hitching leg support through a corresponding bearing; two mounting disks are respectively and fixedly arranged at the left and right ends of a square-tube long axis of the rotating shaft; the supporting disks are arranged on the square-tube long axis of the rotating shaft in a uniformly-spaced manner from left to right; the cutter shafts are arranged on the mounting disks and the supporting disks; each blade assembly comprises a blade and a connecting sleeve; each blade is fixedly embedded on a connecting sleeve; blades are rotatably arranged on the cutter shafts through connecting sleeves; and the blades are spirally arranged in the axial direction of the square-tube long axis of the rotating shaft.

The present disclosure relates to a ceramic aluminum-clad aluminum-copper plate, a method for fabricating the same, a heat dissipating component, and an IGBT module. The ceramic aluminum clad copper plate includes a ceramic insulating plate, a first aluminum layer, a second aluminum layer, a first copper layer, and a second copper layer. The first aluminum layer and the second aluminum layer are integrally molded by aluminizing on two opposite surfaces of the ceramic insulating plate, the ceramic insulating plate isolates the second aluminum layer from the first aluminum layer, and the first copper layer is bonded to the ceramic insulating plate through the first aluminum layer integrally formed by aluminizing; and the second copper layer is connected to the ceramic insulating plate by thesecond aluminum layer integrally formed by aluminizing. The ceramic aluminum-clad copper plate of the present disclosure has fewer voids than the welded ceramic copper-clad plate, and the ceramic-clad aluminum plate has a thinner aluminum layer, thereby improving the thermal conductivity of a heat dissipation component, and the symmetrical structure can make the ceramic sheet have uniform stresson both sides and is not easily bent and destroyed.

The invention relates to a composite beam. The composite beam comprises a shell and a core. The shell is a column with a double-homocentric-square-shaped section. The shell is made from aluminum, andthe material of the core is different from the material of the shell. A composite beam and column joint connecting device comprises the composite beams, a supporting column and a connecting support, and the horizontal composite beams are arranged on the upper portions of the four side faces of the supporting column correspondingly. A cross-shaped opening is formed in the upper end of the supporting column, and rectangular grooves are formed in the end faces, attached to the supporting column, of the composite beams. The rectangular grooves communicate with the tail ends of the cross-shaped opening correspondingly. The connecting support is inserted into the cross-shaped opening of the supporting column and the rectangular grooves of the composite beams. The support and the supporting column are connected through screws, and the connecting support and the composite beams are connected through screws. The composite beam and the composite beam and column joint connecting device aim at solving the problems the an existing steel beam is exposed to the external environment and is poor in corrosion resistance, existing beams and columns are in joint connection, the joint is unbalanced instress, connecting screws are likely to be damaged, a connecting plate is likely to be bent, deform and crack, and connection of the beams and the columns are not firm.

The invention discloses a prestressed anchor bolt tensioning construction process. The construction process includes the following steps: drilling-corrugated pipe leveling-grouting-anchor installation; step 1: drilling, using an electric drill to open a foundation on the side of the road hole, the foundation hole is perpendicular to the road surface, put the lower anchor pad at the bottom of the foundation hole, and insert the bellows into the inside of the foundation hole, the bottom of the bellows is threaded with the lower anchor pad; step 2: leveling the bellows, Use the leveling mechanism to fix the upper part of the bellows, and the leveling mechanism uses the limit plate to fix and limit the bellows until the bellows is perpendicular to the road surface, pour concrete slurry into the foundation hole, and the concrete slurry is self-modulated to the bottom of the tank hole The duration is within 30 minutes. By adding a leveling step in the installation process of the corrugated pipe and the foundation hole, the corrugated pipe is leveled before pouring concrete slurry into the foundation hole, so that the corrugated pipe can be fixed vertically to the road surface, and the fixing process is more firm and less prone to damage. The slurry shakes after extrusion.

The present invention discloses a cable protection clamp at a table. The clamp comprises a base plate with an L-shaped cross section, and an antiskid ridge matching the table side is arranged at the inner side of the L-shaped base plate; a plurality of rubber casings are uniformly distributed at the outer side of the L-shaped base plate along the length direction, and a stripe-shaped inlet wire openings are arranged on the rubber casings along the axial direction; and semicircular buckles are arranged at two ends of each rubber casing, and the semicircular buckles are fixedly installed on the L-shaped base plate. The cable protection clamp at table is simple and reasonable in structure, facilitates cooperation usage at the table, and is able to perform classification arrangement and disposing of the wire materials to facilitate movement and adjusting; and the cable protection clamp at table may play protection and guidance effects on the wire materials to allow the wire material not to be extruded, bended and damaged so as to effectively ensure the usage safety of the wire materials, facilitate maintenance and provide convenience for users.

The invention belongs to the technical field of water conservancy projects, and discloses a flood control wall for water conservancy projects, which comprises a base and a supporting frame, a baffle is movably connected to the inner side of the supporting frame, a rectangular block is fixedly installed in the middle of the right side of the baffle, a spring is fixedly installed in the rectangular block, a top plate is fixedly connected to the right side of the spring, and the right side of the top plate is fixedly connected with a buffer plate. Under the guidance of a slope for flood waves, the buffer plate, the spring, a support plate, a No.1 ejector rod and a No.2 ejector rod effectively buffer the impact of a part of flood; and under the guidance of a second pipeline on the slope, the other part of the flood enters a second cavity and impacts the inner side of the buffer plate, meanwhile, the flood acting on the inner side of the buffer plate and the flood acting on the outer side of the buffer plate can be counteracted, then the flood is divided into two parts, the impact force of the flood to the flood is counteracted, and the floor control wall has a better buffering effect.

The invention discloses a hoisting device for outdoor assembled electric equipment, so as to solve a problem that the hoisting stability of conventional assembled electric equipment is poor. The device comprises a frame and a bottom frame fixedly connected in the frame. The device also comprises a plurality of hoisting rods which are arranged laterally and perpendicular to side edges of the frame. The hoisting rods are uniformly distributed around the frame. Each hoisting rod comprises a rod part and limiting discs, wherein the limiting discs are located at two ends of the rod part. The side edges of the frame are provided with through holes, and the rod parts pass through the through holes. The diameter of each limiting disc is greater than the diameter of each through hole.

The invention discloses a lawn ventilator which comprises an enclosure, a motor, a soil loosening tool and a walking mechanism. The walking mechanism is arranged on the enclosure; a hand rail is arranged on the enclosure; an operation switch is arranged on the upper portion of the hand rail; the technical scheme includes that the soil loosening tool includes a rotating shaft rotatably arranged onthe enclosure and blades movably arranged on the rotating shaft. The motor shaft of the motor is in direct transmission connection with the rotating shaft of the soil loosening tool to drive the rotating shaft of the soil loosening tool to rotate to enable the blades on the rotating shaft to be swung out under the action of centrifugal force to conduct lawn loosening and aeration.

A power-feed assembly for solar cell coating, comprising a tooling frame, and a power-feeding unit fixedly connected to the tooling frame, the power-feeding unit including a power-feeding wire fixedly connected to the tooling frame at one end cable, a support baffle fixedly connected to the tooling frame, and a protective cover fixedly connected to the support baffle for isolating the incoming power cable. The cable runs around the fixed routing device. The present invention is compact in structure, easy to use, has a good heat dissipation environment, can perfectly guide the incoming cable, is convenient and easy to operate, makes it difficult to be bent and damaged, and prolongs the service life.

The invention discloses a water outlet pipe and a water outlet pipe film coiling tooling, wherein the water outlet pipe comprises a pipe body and two positioning parts; the two positioning parts are connected with the two ends of the pipe body; each positioning part is provided with a through hole in butt joint with an inside pipeline of the pipe body; the through hole extends in the axial direction of the pipe body; the hole diameter of the through hole is greater than the inner pipe diameter of the pipe body. By using the technical scheme, the water outlet pipe forming core pulling difficulty can be reduced.

Disclosed is a power input assembly for film plating of a solar battery. The power input assembly comprises a tool frame, and further comprises a power input unit connected with the tool frame. The power input unit comprises a power input cable with one end fixedly connected to the tool frame, a support baffle plate fixedly connected to the tool frame and a protective cover fixedly connected with the support baffle plate for isolating the power input cable. The protective cover is internally provided with a wiring apparatus for winding and fixing the power input cable. The power input assembly provided by the invention is compact in structure and simple to use, has a good heat dissipation environment, can guide the power input cable well, is convenient and easy to operate, is not easily bent and damaged, and prolongs the service life.

The invention discloses a temperature-insulated protection type carrier communication submarine cable, which belongs to the field of cables. A temperature-insulation protection type carrier communication submarine cable includes a central conductor whose exterior is sequentially wrapped with an inner layer insulator and an outer conductor. , the middle sheath, the outer insulator and the outer sheath, the outer insulator is mixed with extremely insulating material, the middle sheath and the outer insulator are sandwiched with a reinforced armor layer, the middle sheath, the reinforced armor layer and The outer insulator is also evacuated into a vacuum, and the surface of the outer sheath is densely covered with selective thousand-legged claws. The extreme thermal insulation material is used and applied to the production of submarine cables, and the effect of extending the thermal insulation period is very considerable. In addition, on the surface of submarine cables A selective millipede claw is added, which can select specific seabed microorganisms to attach to, and use seabed microorganisms to naturally form an "external protective layer" to strengthen the protection of submarine cables and significantly improve the stability of signal transmission.

The invention discloses a trough beam for solving the problems that the building infrastructures of the conventional building floors occupy large space, and are poor in mounting stability and unsafe. The trough beam comprises a girder, wherein the girder is arranged between building uprights; the girder is I-shaped, a first side beam is arranged on one side of the girder, and a second side beam is arranged on the other side of the girder; the girder, the first side beam and the second side beam are the same in width; a first trough channel is formed between the girder and the first side beam in the length direction of the girder; a second trough channel is formed between the girder and the second side beam in the length direction of the girder. Compared with the hanging mounting of the conventional hanging pieces, the trough beam has the advantages that the building infrastructures can be centralized in the trough channels, space occupied by each infrastructure can be effectively reduced, various building infrastructures are centralized in the trough channels, and the safety of the building infrastructures can be improved; meanwhile, due to the structure of the trough beam, the carrying capacity of the trough beam is larger, so that the mounting stability of the each infrastructure can be ensured.

The invention discloses a mobile phone shell with excellent heat dissipation and a preparation method thereof, belonging to the technical field of mobile phone accessories. The mobile phone casing is an organic-inorganic composite material, and its raw materials include the following components in parts by weight: 40-65 parts of polycarbonate, 18-25 parts of ultra-high molecular weight polyethylene, 5-10 parts of nano-aluminum nitride fiber, 4-8 parts of bismuth trioxide, 5-10 parts of modified expandable graphite, and 3-7 parts of magnesium borate whiskers. The above-mentioned raw materials are extruded and granulated by twin-screws, and injection-molded by an injection molding machine, and then cooled and demolded to obtain the mobile phone case. The invention uses polycarbonate and ultra-high molecular weight polyethylene as the matrix, and can obtain high strength, high thermal conductivity and high radiation shielding by adding components such as nano-aluminum nitride fiber, bismuth trioxide and modified expandable graphite. The high-efficiency mobile phone casing can solve the problems of poor heat dissipation and poor radiation resistance of the existing plastic mobile phone casings.