24results about How to "Reduce sagging" patented technology

This invention discloses a tooling mold for manufacturing brake discs and a method for manufacturing brake discs. The tooling mold includes an insertion section whose shape matches the shape of the heat dissipation holes and achieves an interference fit after insertion. The end of the insertion section is fixedly connected to a sliding groove via a connecting rod. A sliding plate, which cooperates with the sliding groove, enables position adjustment of the insertion section. This invention offers flexible overall adjustment and can be used for combined adjustment of the spacing for brake discs of different sizes, facilitating operator operation. The method of manufacturing brake discs using this invention reduces the difficulty of drilling holes in carbon-carbon composite brake disc preforms, reducing processing volume; it reduces the time and material consumption required for brake disc vapor deposition; it improves the smoothness of the inner surface of the heat dissipation holes, reducing processing volume and avoiding dynamic imbalance and airflow velocity uniformity issues caused by rough holes; it promotes uniform product material, ensures uniform expansion coefficient, and reduces the probability of product cracking.

The utility model relates to the technical field of corn cultivation, and discloses a cultivation rack for corn cultivation, which comprises a liquid collecting frame, side plates are fixedly connected to two sides of the upper surface of the liquid collecting frame, and a cultivation assembly is arranged outside the liquid collecting frame; the cultivation assembly comprises two fixing frames, a plurality of baffles are slidably connected into the two fixing frames, a threaded groove is formed in the middle of one fixing frame, a stud is in threaded connection with the middle of one fixing frame through the threaded groove, and a cross button is fixedly connected to one end of the stud. The corn cultivation device is suitable for the full-period growth requirement of corn from germination to adult plants, the position of the baffle can be conveniently adjusted according to the growth of the plants, the position of the baffle is locked in cooperation with the pushing plate, a liquid leakage plate and a flow guide structure are integrated at the bottom, waste of cultivation liquid is effectively reduced, and secondary utilization is supported; the elastic plates are driven by the springs to form a flexible clamping structure, and wind-resistant support is provided when the corn plants grow to the high position.

An absorbent article is provided comprising a chassis comprising a central longitudinal axis and an absorbent core. The base structure includes a front waist region and a landing region and an elastic waist feature both positioned in the front waist region. The resilient waist feature includes a first end edge positioned proximate the front waist edge. The elastic waist feature: overlaps a portion of the landing zone at a longitudinal distance Y; and in overlapping relationship with a portion of the absorbent core in the front waist region at a longitudinal distance X. The resilient waist feature has a longitudinal distance W between the first end edge and the second end edge. The ratio of the distance X to the distance W is at least 0.4, and the ratio of the distance Y to the distance W is at least 0.4.

The utility model relates to the technical field of welding heads, and provides an elastic floating type welding head which comprises a welding head body and a welding seat coaxial with the welding head body, the welding seat comprises a welding seat cylinder and a supporting piece arranged on the upper surface of the welding seat cylinder, an elastic piece is arranged in the welding seat cylinder, and the supporting piece abuts against the elastic piece. The supporting piece can ascend and descend in the height direction of the welding base cylinder. The elastic part is arranged for buffering when the supporting part is subjected to impact force, the welding seat can elastically float according to the actual stress condition of the metal part in the welding process, the sinking problem of the welding position of the metal part caused by rigid abutting is effectively solved, and therefore the beneficial effect that the surface structure integrity of the welding position is ensured is achieved.

The application discloses a kind of high density low rebound shotcrete and preparation method thereof, it is related to shotcrete field, and preparation method includes: (1), respectively to cementitious material, fine aggregate, coarse aggregate is using MAA model to be packed and the design ratio of each raw material in interior is obtained;(2), cementitious material, fine aggregate, coarse aggregate and the rebounding agent of design ratio obtained according to step (1) are fully mixed, water, water reducing agent is mixed, then by the way of mixing with pressurized air, incorporate accelerator, obtain high density low rebound shotcrete.The application uses early strength rebounding agent, improves the pumpability of shotcrete, accelerates the early hydration of concrete, under the joint action of alkali-free accelerator, rapidly improves the early mechanical properties of shotcrete, improves shotcrete construction efficiency.Multiple close packing is used, and cementitious material, fine aggregate, coarse aggregate respectively form close packing structure, effectively improve the plastic viscosity of paste and the compactness of concrete.

This utility model discloses a pressure test device for hydrogeological engineering surveys, including a main body and a support mechanism located on one side of the main body. This support mechanism reduces the sagging caused by the device connecting to the hose through bottom support, ensuring the stability of the connection end. The support mechanism includes a side frame fixedly connected to one side of the foot pad. Water is introduced through an external hose when the valve body is opened. Water is introduced into the pressure test air chamber at one end of the water inlet pipe through a water meter and the valve body. After being pressurized in the pressure test air chamber, water is discharged through a drain pipe. This effectively reduces the sagging caused by the device connecting to the external hose during the assembly and use of pressure tests in hydrogeological engineering surveys. This also ensures that during long-term use, the connection end is not affected by external force accidental contact or impact force generated during water supply, thus reducing the shaking amplitude caused by the impact force. This improves the confidentiality of the connection and reduces the occurrence of water leakage after loosening.

The application belongs to the technical field of flue gas treatment, in particular to a dust removal and treatment device for flue gas of a zinc oxide production kiln, comprising a dust removal box, an air inlet is arranged on one side of the upper end of the dust removal box, a connecting pipe is communicated with one side of the dust removal box, a treatment box is communicated with one end of the connecting pipe, a partition plate is fixedly connected to one side of the inner cavity wall of the dust removal box, a filter bag is fixedly connected to the through hole in the middle of the partition plate, and an adjustable supporting assembly is arranged on one side of the inner cavity of the dust removal box. The cleaning assembly is used to regularly clean the outer surface of the filter bag by the brush roller, so that the filter bag can be kept clean. The problem that the filter holes are blocked by dust, thereby affecting the flue gas passing property and the subsequent filtering effect, is avoided.

This utility model provides a supportive lifting bra, including side wings, cups, and a support portion. The side wings surround the torso, the cups cover the breasts, and the support portion is located on the side of the cup facing the breast. The support portion is fixedly or detachably connected to the bottom of the cup. The support portion includes one of an oil bag, a lamb's body oil bag, and a jelly-like powder tablet. This design allows the support portion to conform to the bottom edge of the breast from bottom to top, forming a continuous and uniform support surface for the breast soft tissue, reducing the instantaneous tensile stress of gravity, and slowing down the sagging and drooping caused by long-term traction on the breast suspensory ligaments. When the support is made of oil-filled pads or lamb-shaped oil-filled pads, it becomes soft and fluid under body temperature, adapting to the shape of the breasts and filling the gap between the breasts and the cups, avoiding empty cups and local pressure marks. When the support is made of gel-like powder, it provides moderate elasticity when compressed, forming a three-dimensional force system with the side wings, transferring some weight to the back and shoulders, reducing pressure on the chest. At the same time, it generates a directional force inward, causing fat from the outer and lower sides to flow towards the cleavage area, enhancing the gathering effect.

The utility model relates to the technical field of balance cranes, and discloses a telescopic arm structure of a balance crane, which comprises a balance crane main body, the balance crane main body further comprises a telescopic arm module, and the telescopic arm module comprises a telescopic shell arranged on a stand column; the telescopic component is movably mounted in the telescopic shell; the number of the fixed pulleys is two, and the fixed pulleys are installed at the top end and one side of the stand column respectively; the motor is arranged on one side of the top end of the bottom plate, and a rotating disc is arranged on the motor; the tail end of the steel cable is fixedly connected with a rotating disc of the motor, the other end of the steel cable is connected with one side of the top end of the telescopic component, and the steel cable is connected with the two fixed pulleys; by arranging the telescopic arm module, the movement path of the steel cable can be effectively guided through the two fixed pulleys, the tension of the steel cable uniformly acts on the top end of the telescopic component, the tail end supporting force when the telescopic component stretches out is enhanced, and drooping is reduced.

The invention relates to the field of ceramic bulletproof plugboards, in particular to an anti-falling curved surface spliced ceramic bulletproof plugboard and a preparation method thereof. The anti-falling curved surface spliced ceramic bulletproof plugboard comprises a laminated structure and a polyurea layer coating the periphery of the laminated structure, the laminated structure comprises an anti-falling layer, a crack arrest layer, a ceramic layer, a polyethylene layer and a concave reduction foam layer which are sequentially laminated in the direction from the bullet facing surface to the bullet backing surface; the anti-falling layer comprises aramid fiber honeycombs, and hole grids of the aramid fiber honeycombs are filled with a mixture of hollow glass microspheres and silica gel; and the crack arrest layer comprises aramid fiber woven cloth. The anti-falling layer provided by the invention is composed of the aramid fiber honeycomb, the hollow glass microspheres and the silica gel, the structure simulates a human bone tissue structure, the aramid fiber honeycomb provides a structural framework and supports the falling layer not to deform, and the hollow glass microspheres have high compression strength, can resist impact and absorb impact energy through microsphere damage; the silica gel not only can be used for bonding the aramid honeycomb and the microspheres, but also can be used for providing elasticity and restoring the deformation after impact.

The utility model discloses an air drying device for a pelletizer, and relates to the technical field of pelletization of the pelletizer, the air drying device comprises a rack for bearing plastic strips to move, roll shafts for guiding the plastic strips are arranged at the two ends of the rack, and an air bellow for air drying of the plastic strips is arranged at the position, below the plastic strips, of the rack. And a fan communicated with the air bellow is arranged on the outer side of the air bellow. Roll shafts for guiding plastic strips are installed on the machine frame, when the plastic strips move, the roll shafts rotate to assist the plastic strips in moving and reduce the possibility that the plastic strips fall into the machine frame, an air bellow is arranged on the machine frame and located below the plastic strips, and a draught fan which is arranged on the outer wall of the air bellow and communicated with the air bellow is used for air drying of the plastic strips. And the possibility that the plastic strips are snapped during movement after being heated and dried by the drying device is reduced.

The utility model discloses a contact network pole upper enclosure type bird preventing device is set up in the pole main part top of contact network electric pole, including the shield main part, the shield main part is the prism platform cylinder shape and is provided with with small top pole adaptation's upper forming mouth in the top, the bottom port of shield main part is buckled on the pole main part top end face.

The invention relates to the technical field of door body control, in particular to an anti-sagging control method and a control system for a suspended door, which are characterized in that whether a door row meets a support triggering condition or not is judged by acquiring a suspended door operation state signal and a door row extension state signal, and support wheels are controlled to be unfolded to support the bottom of the door row when the condition is met; and when the conditions are not met, the supporting wheels are controlled to be stored. According to the method, unfolding and folding of the supporting wheels can be coordinated and matched with the operation process of the suspended door to form closed-loop control, so that drooping of the door row is effectively inhibited on the premise that the weight of the door row structure is not remarkably increased, and the operation stability and reliability of the suspended door are improved.

This invention discloses an automatic slotting machine for cardboard box production, relating to the field of cardboard box slotting technology. It includes a workbench; a placement platform, located on one side of the workbench, for supporting cardboard to be slotted; a conveying device, located on the placement platform, for conveying the cardboard to the slotting area; a drive device, mounted on the workbench; a cutting blade mechanism, connected to the output end of the drive device and located in the slotting area; and a waste material auxiliary mechanism, located below the cutting blade mechanism. This invention achieves this by sequentially staggering the first side cutting blade group, the second side cutting blade group, and the inner end cutting blade along the rotation direction of the slotting blade disc. This allows the cardboard slot to be formed progressively in the order of cutting on one side, cutting on the other side, and cutting the inner end, reducing the large-area compression contact between the blade group and the cardboard at the same time. This reduces the possibility of collapse in the non-cutting area of ​​the cardboard and improves the forming stability of the slot edge.

The utility model discloses an adjustable assembly type support applied to electromechanical pipeline installation, which comprises an expanding mechanism which is installed on one side of a body mechanism and further guarantees the stability of a pipe body by expanding the position and the area of a supporting point borne by the pipe body between two sets of supports in the vertical direction. The expanding mechanism comprises second sliding blocks which are symmetrically arranged and slidably connected to the inner side of the vertical frame, the inner sides of the second sliding blocks are in threaded connection with second threaded rods, the angle position of the rotating frame is fixed, finally, a rotating handle is directly held, supporting threaded rods are rotated in side columns, the supporting threaded rods are driven to be opened outwards in the vertical direction, and therefore the supporting effect is achieved. The buffering pads on one side of the supporting plate fully support the top and the bottom of the vertically-arranged pipelines, the position and the area of supporting points borne by the pipe body of the suspended part between the two sets of supports can be effectively expanded after the supports bear the pipe body, and therefore the stability of the pipe body is guaranteed, and the shaking amplitude of the pipe body caused by the influence of external force in the external environment is reduced.

The invention discloses a longitudinal spiral HFCVD diamond deposition system and a deposition method.The deposition system comprises a plurality of spiral lamp filaments located on the side of a base body, the spiral lamp filaments are arranged in the vertical direction and distributed at equal intervals in the transverse direction, the two ends of each spiral lamp filament are connected with a pre-stretching structure, and the two ends of each spiral lamp filament are connected with the corresponding pre-stretching structure; one side of the spiral filament away from the substrate is connected with the supporting structure; the pre-stretching structure comprises a plurality of molybdenum elastic pieces distributed at equal intervals in the transverse direction, one end of each molybdenum elastic piece is connected with the end of the spiral lamp filament, the other end of each molybdenum elastic piece is installed on the insulating piece through a fixing screw, and gaps with adjustable sizes are formed between the molybdenum elastic pieces and the insulating piece. The supporting structure comprises a plurality of supporting molybdenum sheets which are distributed at equal intervals in the vertical direction. According to the longitudinal spiral type HFCVD diamond deposition system and method, the deposition performance is remarkably improved through a longitudinal spiral type filament structure, the system reliability and the process stability are enhanced, and large-area uniform deposition can be achieved.

This utility model discloses a down insulation strip and a down jacket fabric. The down insulation strip includes a base layer (31). A front adhesive strip (32) is provided on the left side of the base layer (31), and a back adhesive strip (33) is provided on the right side of the base layer (31). The front adhesive strip (32) and the back adhesive strip (33) are arranged along the length direction of the base layer (31), and the combined width of the front adhesive strip (32) and the back adhesive strip (33) is smaller than the width of the base layer (31). The down jacket fabric includes an outer layer fabric (1) and an inner layer fabric (2). A plurality of down isolation strips (3) are provided between the outer layer fabric (1) and the inner layer fabric (2). The down isolation strips (3) divide the space between the inner layer fabric (2) and the outer layer fabric (1) into multiple down filling cavities (4). By using down isolation strips to bond the inner and outer layers of the down jacket fabric, not only can down leakage at the needle holes be eliminated, but also the depression at the bonding point of the inner and outer layers of the down jacket fabric can be reduced, thereby improving the smoothness of the down jacket surface.

This utility model discloses an anti-scratch spraying device for automotive plastic parts, comprising a base plate, a conveyor box mounted on the upper end of the base plate, an mounting plate mounted on the top of the conveyor box, a spraying box mounted on the upper end of the mounting plate, a rotating mounting structure mounted inside the spraying box, and a spraying pipe mounted at the center of the wall of the mounting plate, the bottom end of the spraying pipe being connected to the upper end of the conveyor box. A motor-driven connecting disc drives four sets of rotating rods to revolve, while gears mesh with an external gear ring to force the lifting rod to rotate, achieving multi-angle, dead-angle-free rotation of the workpiece, ensuring uniform coating coverage on complex curved surfaces. The rotational motion directionally diffuses the coating, reducing dripping. Four mounting frames independently support the workpiece, allowing multiple parts to be sprayed in a single cycle. Workpieces are quickly clamped through fixing holes, and an exhaust pipe links to the recovery frames, real-time extraction of suspended coating particles, reducing volatile pollution.

The utility model discloses a planting pot for traditional Chinese medicine potting planting, and belongs to the field of traditional Chinese medicine planting. A planting pot for traditional Chinese medicine potted planting comprises a planting pot body which is composed of an outer pot body and an inner container, and is characterized by further comprising rectangular through holes distributed in the outer pot body at equal intervals in the circumferential direction, rotating rods are rotationally connected into the rectangular through holes, elastic ropes are wound around the rotating rods, buckles are fixedly installed on the elastic ropes, and when the buckles are connected with the elastic ropes in a clamped mode, the buckles are connected with the inner container in a clamped mode. The formed closed space is used for winding fingered citron fruits, polygonal grooves are formed in the inner container in a circumferential array mode, and a conical protruding block is fixedly installed on the bottom wall of the inner container; according to the fingered citron planting pot, the ventilation effect of the planting pot is improved through the design of the multilateral grooves formed in the inner container, the situation that fingered citron roots are wound is reduced by adding the conical protruding blocks in a matched mode, and a good planting environment is provided for fingered citron.

This utility model discloses a folding fan with a rotatable chassis, comprising: a fan head assembly, which includes a fan head housing and a fan blade mechanism, the fan blade mechanism being installed inside the fan head housing; a chassis assembly, which includes a fixed base and a rotating base, the rotating base being rotatably connected to the fixed base and capable of rotating around its own circumference; a first transmission component on the fixed base and a rotatable second transmission component on the rotating base, the second transmission component engaging with the first transmission component during rotation to drive the rotating base to rotate; a driving component for driving the second transmission component to rotate; and a support rod, one end of which is connected to the fan head housing and the other end of which is rotatably connected to the rotating base, and is used to rotate around the horizontal direction during rotation to fold into the rotating base. This effectively solves the problems of unstable center of gravity and inconvenience in carrying traditional fans during rotation.

The utility model discloses a main transmission structure of energy -saving aluminium door and window numerical control cutting machine relates to numerical control cutting machine technical field. The main transmission structure of energy -saving aluminium door and window numerical control cutting machine includes support frame, the top of support frame is provided with transmission mechanism for adjusting the position of cutting equipment, transmission mechanism includes: horizontal component, the horizontal component includes the horizontal screw rod and the limit rod of swing mounting in support frame both sides, one side fixed mounting horizontal motor of support frame, one end fixed mounting has synchronous wheel of horizontal screw rod, when longitudinal component drives mounting frame to move to the middle part of support frame or horizontal transmission structure, the arch frame can provide support from the below of connecting block and mounting frame, and the load of cutting equipment and transmission part is dispersed to support frame both sides, avoids the load concentration in the middle part and leads to the guide rail or support frame to produce the droop deflection, reduces the possibility of the middle part droop, guarantees the high and low consistency when cutting equipment horizontal movement.

This utility model discloses a coating replenishment device, relating to the technical field of coating and encapsulation equipment. It includes an operating table and a connecting line, with a thermistor fixedly connected to the bottom end of the connecting line. The thermistor is coated via a coating mechanism. By setting up a coating mechanism and adjusting the height of each coating tube opening to be consistent through processing and assembly precision, this utility model provides a uniformly high-height coating surface for multiple points due to the consistent height and shape of the naturally formed micro-convex surfaces after each liquid overflow. Furthermore, the naturally formed coating surface after each liquid overflow provides a coating surface with very high repeatability. Because the viscous coating liquid has a high surface tension, the coating tube cross-section is small, and the internal extrusion naturally repairs the micro-convex coating surface without the influence of external forces such as scrapers that introduce air, thus minimizing coating defects such as bubbles and dents, facilitating the coating of thermistors.