53results about How to "Avoid deformation and fracture" patented technology

An improved window-type air conditioner for easy installation includes: a main unit having a base plate on which heavy components of the air conditioner, such as a compressor, and indoor and outdoor heat-exchangers, are mounted; a cabinet for receiving the main unit through an opening in the front side thereof; and an inclination section for maintaining a predetermined downward inclination of the main unit in the cabinet. The inclination section includes at least two guide rails formed on a bottom of the cabinet at a predetermined downward inclination toward the outside for supporting the lower side of the base plate.

One aspect of the invention includes a seat movable in a front-rear direction between an in-use position and a stored position. The seat is moved in the front-rear direction via a link. The link is coupled pivotally in the front-rear direction. One end of the link is coupled to a coupling member fixed to the seat. The other end of the link is coupled to a coupling member fixed to the floor. The link and the respective coupling members are coupled to each other using an axial member. The insertion hole is formed in a shape that inhibits the axial member from undergoing positional displacement in the front-rear direction within the insertion hole when the seat is at the in-use position and allows the axial member to undergo positional displacement in the front-rear direction within the insertion hole as the seat is moved from the in-use position to the stored position.

The invention relates to a sample preparation die for a large coarse-grained soil triaxial test. The die comprises a die annular bottom plate, a die top limiting lantern ring, a middle lantern ring, two semi-cylindrical steel plates with clamping tables, and two fixed limiting screw rods, and is characterized in that two semi-cylindrical steel plates with clamping tables are folded to form a sample cylinder; the sample cylinder is mounted above the die annular bottom plate; the die top limiting lantern ring is mounted at the top of the sample cylinder; the fixed limiting screw rod is used fortensioning the die annular bottom plate and the die top limiting lantern ring; and the middle lantern ring is installed outside the semi-cylindrical steel plate and clamped on the semi-cylindrical steel plate clamping table; and the middle lantern ring is provided with two screw rods used for clamping the two semi-cylindrical steel plates. Thus, the die disclosed in the invention is used for preparing a sample for triaxial test of large coarse granular materials.

The invention discloses an automobile metal support surface treatment technology. Surface treatment is carried out on a metal support, and includes the technologies of oil removal, polishing, nitriding treatment, galvanization treatment and cleaning and drying. With the automobile metal support surface treatment technology, the characteristics of wear resistance, fatigue resistance, corrosion resistance and high temperature resistance of the metal support are improved, the corrosion resistance is further improved through galvanization, and the service life of the metal support is prolonged.

The invention relates to a concrete floor slab reinforcing structure and a construction method thereof. The concrete floor slab reinforcing structure comprises a first floor slab, a second floor slab, a cross beam and a supporting column; a steel bar column is fixedly installed in the first floor slab; a transverse steel plate is fixedly installed at the bottom of the steel bar column; a transverse column is fixedly installed at the bottom of the transverse steel plate; a penetrating hole is formed in the first floor slab; a top column penetrating through and extending to the top of the penetrating hole is fixedly mounted at the top of the transverse steel plate; a connecting ring is fixedly mounted on the outer side of the top column; a top plate is fixedly mounted at the top of the connecting ring; a first steel plate is fixedly mounted in the cross beam; a connecting plate is fixedly mounted at the bottom of the first steel plate; and a second steel plate is fixedly mounted at the bottom of the connecting plate. The structure is high in practicability, the anti-deformation performance of a concrete floor slab can be improved, the structure adapts to an earthquake environment, the movable range is limited, the requirement for stability is met under an anti-seismic condition, and the purposes of convenient construction and good performance are achieved.

A terminal fitting (T) includes an inner conductor (11), an outer conductor (12) and a dielectric (13) interposed between these conductors. The inner conductor (11) is connected to a core (51) of a shielded cable (W). The outer conductor (12) includes two shield crimping pieces (45) deformable along an outer periphery of a braided wire (53) of the shielded cable (W). Further, the terminal fitting (T) includes a cover (14) including a shield-side surrounding portion (84) for surrounding the shield crimping pieces (45) along outer peripheries thereof.

The invention provides an assembled type building structure shock absorbing support. The assembled type building structure shock absorbing support comprises foundation embedded parts, an upper protecting cover, a lower protecting cover, A-shaped elastic pieces, high-strength springs, trapezoid rubber pieces, spring limiting grooves and spring hook preformed holes, wherein the A-shaped elastic pieces can buffer force in a vertical direction; bolt preformed holes of the upper protecting cover can fix the positions of the rubber pieces and connect the upper protecting cover and columns; the trapezoid rubber pieces can buffer vertical force as well as force produced by horizontal swinging; balls can avoid free displacement between the upper protecting cover and the A-shaped elastic pieces; thespring limiting grooves can avoid bending and arching of the springs on the lower protecting cover under stress and meanwhile prevent releasing of the upper protecting cover and the lower protectingcover due to overlarge amplitude of horizontal swing of the trapezoid rubber pieces; the spring hook preformed holes are applied to hanging and connecting the springs of the upper protecting cover andthe lower protecting cover.

The invention belongs to the technical field of heat-shrinkable film production auxiliary equipment, and particularly relates to a crease-resistant film-pressing mechanism for PE heat-shrinkable filmproduction. The crease-resistant film-pressing mechanism comprises a workbench and a lifting plate, wherein first fixing plates symmetric to each other are arranged at the two ends of the left side ofthe workbench; a prepressing roller is arranged between the two first fixing plates and rotatably connected to the inner walls of the first fixing plates; second fixing plates which are symmetric toeach other are arranged at the two ends of the right side of the workbench; and a winding drum is arranged between the two second fixing plates and rotatably connected to the inner walls of the secondfixing plates. According to the crease-resistant film-pressing mechanism, a heat-shrinkable film is stretched to be stressed, so that the heat-shrinkable film is more flat and prevented from wrinkling during winding; and meanwhile, the stretching distance of the heat-shrinkable film is adjusted by adjusting the vertical position of the lifting plate, so that the stress of the heat-shrinkable filmis reduced, the fracture deformation of the heat-shrinkable film caused by overlarge stress during winding is prevented, and the production efficiency is improved.

The invention discloses a wellhead suspension device suitable for small-diameter coiled tubing operations, including a hanger, a conversion device and a guide device; the hanger is used for hanging small-diameter coiled tubing at the wellhead, and at the same time plays a role of sealing the small-diameter coiled tubing and gas well tubing ring The role of space, by changing the internal structure of the hanger, the passage and suspension requirements of the small-diameter coiled tubing downhole tool string with the upper, lower, and larger "┻" structures are realized; the conversion device is used to connect the blowout prevention system during daily injection operations, providing Daily blowout prevention, and at the same time, it is used to connect the guiding device when the small-diameter coiled tubing is suspended at the wellhead, which can prevent the small-diameter coiled tubing from being deformed and broken due to excessive bending.

The invention discloses a mounting and fixing method of a fixed structure for mounting a micro-motor. The method comprises the steps as follows: (a) a mounting hole of a micro-motor mounting plate is aligned at the mounting hole of an air conditioner shell; two elastic arms are extruded inwards to deform; the upper end of a movable limiting rod is clamped into a groove of a limiting arm; the movable limiting rod rotates around a hinge point by inward force of the limiting arm; and the upper end of the movable limiting rod is propped against the inner walls of the elastic arms provided with support rods; and (b) the two elastic arms pass through the mounting hole of the micro-motor mounting plate and the mounting hole of the air conditioner shell; the inward extrusion force to the two elastic arms is removed; the two elastic arms return towards two sides; two limiting blocks are clamped on the lower end surface of the air conditioner shell for limiting; and a pressing seat is pressed on the upper end surface of the micro-motor mounting plate. The mounting and fixing method has the advantages that (1) the mounting and fixing method is convenient to mount and dismantle and firm to connect, and damage to the micro-motor mounting plate and the air conditioner shell is avoided; and (2) deformation and fracture of the elastic arms due to overlarge pressure are avoided.

The invention discloses a fixing structure for micromotor installation. The fixing structure for micromotor installation comprises a pressing base and two elastic arms, wherein the two elastic arms stretch out from the end face of one side of the pressing base. A strip-shaped groove is formed between the two elastic arms. Limiting blocks stretch outwards from the outer side walls of the lower ends of the two elastic arms correspondingly. The fixing structure for micromotor installation has the following advantages that firstly, assembly and disassembly are convenient, connection is firm, and a micromotor installation plate and an air conditioner shell are prevented from being damaged; and secondly, the situation that the elastic arms deform and break due to the fact that the stress is too large is avoided.

The invention specifically relates to a high-strength low-yield-ratio steel and its preparation method and application, belonging to the technical field of steelmaking. The high-strength low-yield ratio steel provided by the invention, in terms of mass fraction, has a chemical composition comprising: : C: 0.055~0.065%, Si: 0.10~0.30%, Mn: 1.80~2.10%, P: ≤0.008%, S: ≤0.0015%, Alt: 0.02~0.04%, Nb: 0.07~0.08%, Ti: 0.010~0.020%, Ni: 0.20~0.50%, Cr: 0.15~0.30%, Cu: 0.15~0.30%, Mo: 0.15~0.30%, the balance is Fe and unavoidable impurity elements; the high strength provided by the present invention Low yield ratio steel with the following properties: tensile strength of 760-800MPa, yield ratio of 0.70-0.75, toughness of ‑40°C Charpy impact energy ≥ 400J, and excellent dynamic fatigue resistance, ‑40 ℃ Charpy impact shear area ≥ 90%.

The invention discloses a cleaning assisting filter. The cleaning assisting filter comprises a box body and a box cover, the box body comprises a first feeding port, a second feeding port, a first discharging port, partition plates, a hole structure and a three-way structure, the box body is separated by different partition plates, the partition plates divide the box body into small box bodies A to E, and holes are formed in the partition plates. The numbers of the partition plates and three-way structures, the hole height, the hole diameter, the partition plate height and the volume of the small box bodies are controlled to enhance separation of an organic phase and a water phase, so the problem that niobium liquid or tantalum liquid carries the organic phase in the tantalum-niobium hydrometallurgy process is solved, the quality of niobium-tantalum products and the niobium-tantalum direct recovery rate are improved, meanwhile, the organic phase can be recycled, the circulation efficiency of the organic phase is improved, and the production cost is reduced. The small box body D has a filtering and adsorbing function and can be used for removing substances such as suspended matters,slag bodies or plastic scraps carried in the niobium liquid or tantalum liquid, so that the quality of niobium-tantalum product is improved. The cleaning assisting filter has the characteristics of small occupied area, remarkable separation effect, convenience in operation, easiness in maintenance, easiness in industrialization and the like.