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 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 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 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 discloses a pre-arch furniture baffle board material. The material comprises a density board (10), and surface boards are arranged on the upper and lower surfaces of the dense board (10); first cold shrinkage nets (11), second cold shrinkage nets (12) and third shrinkage nets (13) are successively arranged in the dense board (10) from top to bottom, wherein the quantity of the firstcold shrinkage nets (11), the second cold shrinkage nets (12) and the third shrinkage nets is gradually increased. The pre-arch furniture baffle board material has the advantages that the bearing performance is good, and the material cannot be easily bent and damaged.

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.

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 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.