55results about How to "Increase bite force" patented technology

The invention discloses an oral function rehabilitation training analysis system and method after oral maxillofacial surgery, and the system carries out the real-time collection and intelligent evaluation of the rehabilitation training process data of a patient through a closed occlusion training evaluation module, an opening degree training evaluation module, a pronunciation training evaluation module, and a swallowing training evaluation module. The training effect of the patient is fed back in real time through the evaluation result, quantification of the rehabilitation effect is achieved, a scientific basis is provided for a rehabilitation plan made by medical staff, the occlusal force, lip closing force and pronunciation rehabilitation rate of the patient is effectively improved, and the life quality of the patient is remarkably improved.

The utility model relates to the technical field of anchoring nails, in particular to an external wall insulation board anchoring nail which comprises a fixed round piece, a connecting block and a screw rod, a nylon expansion pipe entering an external wall insulation board is arranged on one side of the fixed round piece, and a connector driving the screw rod to rotate is welded to one side of the screw rod. A cross groove is formed in the inner side of the connector, a cavity for containing a fixing rod is formed in the screw rod, a through hole for containing a protruding block is formed in the surface of the screw rod, a fixing block is welded to the interior of the cavity, and a conical block connected with the fixing block is welded to one side of the fixing rod. According to the anchoring nail for the external wall insulation board, through the arrangement of the fixing rod, the protruding block, the fixing block, the conical block, the cavity, the through hole, the connecting block and the screw rod, the problems that when an existing anchoring nail for the external wall insulation board is used, the meshing force between the anchoring nail and the external wall insulation board and between the anchoring nail and the external wall cannot be enhanced, and the firmness between the external wall insulation board and the external wall is poor are solved.

The utility model belongs to the technical field of ceramic powder crushing equipment, and particularly relates to a ceramic powder double-roller crushing device which comprises a crushing bin with the periphery closed, a primary crushing mechanism and a secondary crushing mechanism, a feeding hopper is arranged at the top of the crushing bin, and a discharging hopper is arranged at the bottom of the crushing bin; the primary crushing mechanism is arranged in the crushing bin and located under the feeding hopper and comprises two upper paired rollers which move in the opposite directions and are adjustable in distance. The secondary crushing mechanism is arranged between the primary crushing mechanism and the discharging hopper and comprises two lower paired rollers which move in opposite directions and are adjustable in distance, and the upper paired rollers and the lower paired rollers are arranged in parallel; the outer contours of the two upper rollers are provided with a plurality of protrusions with teeth, the protrusions are distributed in a staggered mode, and the two lower rollers are optical shafts. The distance between the upper roller pair and the lower roller pair can be adjusted according to the size and shape of ceramic powder, meanwhile, rapid crushing is achieved through the protrusions on the upper roller pair, impurities are not likely to be introduced into the powder, the controllability of particles after crushing is high, operation is easy, and the occupied area of equipment is small.

The invention discloses an efficient and energy-saving jaw crusher, and relates to the technical field of jaw crushers. The device comprises a crushing mechanism, a feeding mechanism is fixedly mounted at the upper end of the crushing mechanism, and a crushing assisting mechanism used in cooperation with the crushing mechanism is arranged on the feeding mechanism; through cooperative use of the crushing mechanism and the crushing assisting mechanism, a driving roller shaft can be driven to rotate, so that a driving carrier plate can be driven to circularly swing in a reciprocating manner, a second jaw plate can be driven to circularly swing in a reciprocating manner, and a driving push rod can circularly roll along the inner wall of a driving push groove in a reciprocating manner; therefore, a driven sliding plate can be driven to horizontally move in a circulating and reciprocating mode, a second jaw plate can horizontally move in a circulating and reciprocating mode while swinging in a circulating and reciprocating mode, and the bite force and the tearing force of the first jaw plate and the second jaw plate on to-be-crushed stones can be effectively improved; and therefore, the stone crushing effect and the crushing efficiency of the jaw crusher are effectively improved.

The utility model relates to a temperature measuring probe, which comprises an insulating cylindrical tube, a heat conducting aluminum cover and a thermistor, the heat conducting aluminum cover is sleeved at the top end of the insulating cylindrical tube and seals the upper port of the insulating cylindrical tube, and the thermistor is arranged in the insulating cylindrical tube and is attached to or abutted against the cover surface of the heat conducting aluminum cover. Two cables of the thermistor are led out from the lower port of the insulating cylindrical tube to the outer side, the upper part of the insulating cylindrical tube is provided with a plurality of filler grooves communicated with a tube cavity of the insulating cylindrical tube, and epoxy resin is encapsulated in the plurality of filler grooves and the tube cavity; according to the temperature measuring probe, the filling groove is additionally formed in the insulating cylindrical tube, epoxy resin is filled in a tube cavity more fully, the meshing force between the insulating cylindrical tube and the heat conduction aluminum cover can be improved, connection is firmer, the hardened epoxy resin can be used for hanging the whole epoxy resin through the part filled in the filling groove, and the whole epoxy resin is not damaged. The problem that epoxy resin falls down along the smooth pipe wall of the insulating cylindrical pipe in the heating process is solved.

The invention discloses a screw, which is mainly characterized in that a plurality of screw teeth arranged along a spiral direction, a spiral ring groove and an accommodating part are arranged on a rod body of the screw, the spiral ring groove and the accommodating part are respectively arranged on an arrangement surface of the rod body, and the spiral ring groove extends along the spiral direction and is positioned between upper tooth surfaces of the plurality of screw teeth and the accommodating part. The accommodating part is provided with a plurality of grooves extending from the lower tooth surfaces of the plurality of threads to the spiral ring groove, and the plurality of grooves are communicated with the spiral ring groove, so that the chip removal and accommodating space is greatly increased through the spiral ring groove and the plurality of grooves, generated chips can be quickly discharged outwards, and the chip removal efficiency is improved. In addition, the grooves and the spiral ring grooves can be used for containing a proper amount of cuttings, so that the occlusion force and the locking property after locking are increased, and meanwhile, the screw is not easy to loosen.

The application relates to the technical field of hydrophilic platform pile foundation structures, in particular to a prefabricated hydrophilic platform pile foundation structure, which comprises a pile foundation main body and a connecting and adjusting assembly. The pile foundation main body is composed of a plurality of prefabricated units, the connecting and adjusting assembly is used for splicing and fixing, and a foundation adapting assembly is arranged at the bottom to enhance stability. The foundation adapting assembly comprises a supporting plate, a conical protruding portion, an adjusting rod and an expansion disc, and is used for improving adaptability under complex geological conditions. The connecting and adjusting assembly comprises a positioning piece and a locking piece, so that assembly precision and firmness are ensured. The modular design of the prefabricated units shortens the construction period, the guide column and the scale line improve the docking precision, and the locking piece prevents loosening. The application provides a pile foundation structure which is efficient, stable and highly adaptable, and effectively overcomes the defects of the prior art.

The application provides a phosphogypsum-based light high-strength steel pipe concrete and a preparation method thereof, and relates to the technical field of the steel pipe concrete.The steel pipe concrete comprises the following raw materials in parts by weight: 450-500 parts of a hydraulic cementitious material, 255-272 parts of phosphogypsum light aggregate, 480-610 parts of gravel with a particle size of 4.75-19.0 mm, 708-743 parts of medium-coarse sand, 3.24-5.85 parts of a water reducing agent and 150-156 parts of water; the hydraulic cementitious material is a gypsum-slag cement containing modified phosphogypsum.The application realizes the lightness, controllable micro-expansion property and good corrosion resistance of the steel pipe concrete on the basis of ensuring the strength of the steel pipe concrete, and controls the manufacturing cost of the steel pipe concrete.

The utility model belongs to the technical field of pipeline maintenance, disclose a kind of pipe fittings thread broken wire extraction device, including guide rod, pressing sliding block, the guide rod is equipped with guide slot along its axial direction in one end, the bottom wall of guide slot is inclined plane, pressing sliding block is slidably connected with guide slot, and its surface towards guide slot bottom wall is the inclined plane compatible with guide slot bottom wall inclined plane, two inclined planes mutually adhere to each other, sliding block adjusting mechanism for adjusting the axial sliding of pressing sliding block in guide slot to realize radial displacement is equipped on guide rod.The utility model is specially used for taking out the pipe outer thread residual section broken in pipeline thread hole, realizes the extraction of broken wire by mechanical reverse rotation, solves the problem of broken wire extraction in narrow space, can significantly improve maintenance efficiency, reduce pipeline scrap risk, reduce maintenance cost.

The utility model discloses a waistband fixing buckle with a double-layer latch structure, which comprises a waistband buckle, the clamping tooth component comprises side plates, rotating rollers and tooth blocks, the side plates are fixed to the lower portions of the two ends of the outer surface of the belt buckle, the rotating rollers are installed on the inner surface of the belt buckle, and the tooth blocks are of a double-layer structure and comprise the upper-layer tooth block and the lower-layer tooth block. The rotating roller, the inner groove, the spring, the handle, the cross rod and the tooth blocks are arranged on the inner surface of the belt buckle, and the double-layer tooth blocks are arranged on the outer surface of the rotating roller, so that the belt buckle can play a role in multiple layers, and the occlusal force is remarkably improved; the upper-layer tooth block and the lower-layer tooth block can make close contact with the waistband from different angles and positions, so that the friction force between the tooth blocks and the waistband is greatly increased, and the waistband can be more effectively grabbed and prevented from sliding.

The invention discloses a method for improving heat-resistant cycle reliability of a directly bonded aluminum-copper ceramic substrate, and relates to the technical field of semiconductors. The surface roughness of the double-sided bonding aluminum ceramic substrate and the surface roughness of the high-purity copper sheet are both improved through surface treatment and cleaning, then the double-sided bonding aluminum ceramic substrate and the high-purity copper sheet are stacked and then pressed, sintered and formed, and the direct aluminum-coated copper ceramic substrate is obtained; and finally, laying a photosensitive film on the surface, exposing the pattern, developing, etching a metal layer, removing the film, carrying out laser fragmentation, and cleaning the surface, thereby completing the preparation of the pattern of the direct bonding aluminum-copper ceramic substrate.

The utility model discloses a reinforcing steel bar positioning structure for slope protection engineering, which comprises a soil slope and a fixing mechanism, the fixing mechanism comprises a transverse reinforcing steel bar, the surface of the transverse reinforcing steel bar is movably connected with a plurality of vertical reinforcing steel bars, and the crossed positions of the transverse reinforcing steel bar and the vertical reinforcing steel bars are fixed through binding iron wires. The front faces of the transverse steel bars are movably connected with a plurality of downwards-inserted steel bars, the bottom ends of the downwards-inserted steel bars are inserted into the soil slope, and a positioning mechanism is arranged at the top of the soil slope. In the practical application process of the reinforcing steel bar positioning device, the reinforcing steel bar positioning stability is greatly improved through the synergistic effect of the fixing mechanism and the positioning mechanism. In slope protection engineering, slope topography often leads to easy slippage of steel bars, and parts such as downward insertion steel bars and fixed steel bars in the fixing mechanism and the positioning mechanism are matched with each other, so that the steel bars can be inserted into a soil slope, the whole structure is kept on the surface of the slope, the adjustment work caused by slippage of the steel bars is reduced, and the construction efficiency is greatly improved.

The application discloses a design method of a jaw pad, a manufacturing method of an invisible orthodontic appliance and the invisible orthodontic appliance, and belongs to the technical field of tooth correction. The disclosed design method comprises the following steps: acquiring a digital dental and jaw model, wherein the digital dental and jaw model at least comprises a maxillary model, a mandibular model and a first occlusal model; constructing a second occlusal model according to the first occlusal model, wherein the second occlusal model comprises complete occlusal relationship information, and the occlusal relationship information at least comprises occlusal space parameters; determining a jaw pad setting area according to a comparison result of the occlusal space parameters and a preset occlusal threshold value, and forming a jaw pad on the jaw pad setting area, wherein the jaw pad is a structure capable of opening posterior teeth occlusion and is formed by closely connecting a plurality of ellipsoidal structures. The disclosed manufacturing method of the invisible orthodontic appliance and the corresponding invisible orthodontic appliance are both based on the disclosed design method. The application can design a reasonable structure of the appliance without depending too much on the experience of designers.

An embodiment of the present invention provides a transparent orthodontic device comprising: a transparent orthodontic body forming a passage for accommodating a tooth to be orthodontic in order to move the tooth from an initial position to a target position; and an occlusal part which is defined in the transparent orthodontic body and is located in an occlusal region in contact with an involution tooth during occlusal. And the thickness of the occlusion part is greater than the thickness of the area except the occlusion part.

The utility model relates to a new energy automobile charging gun which comprises a gun head shell, a gun body shell, a glue pouring shell and a wire, and the gun head shell is fixedly connected with the gun body shell; a pin groove integrally formed with the gun head shell is formed in an inner cavity of the gun head shell, and a charging pin is installed in the pin groove. The wire penetrates through one end of the gun body shell, enters an inner cavity of the gun body shell and is electrically connected with the charging pin. The outer side of the gun head shell extends to form a circle of protrusion, the glue pouring shell wraps the whole gun body shell to the protrusion position of the gun head shell, the glue pouring thickness of the glue pouring shell is not larger than the height of the protrusion, and the glue pouring shell is a shell formed through the glue pouring technology. The gun body and the gun head lower half part are wrapped by the glue pouring shell so as to be completely sealed, and the waterproof performance of the new energy automobile charging gun is improved.

The utility model discloses a quick detachable adjustable fixed formwork support belongs to formwork support technical field, including horizontal direction adjusting assembly and longitudinal support subassembly, horizontal direction adjusting assembly includes horizontal direction outer sleeve square tube and be located in horizontal direction outer sleeve square tube's horizontal direction telescopic square tube, through screw rod and nut connection between horizontal direction outer sleeve square tube and horizontal direction telescopic square tube, longitudinal support subassembly includes two groups of angle square tube, two groups angle square tube are connected with horizontal direction outer sleeve square tube and horizontal direction telescopic square tube respectively, and two groups angle square tube are located formwork outside and insert the ground respectively, the utility model discloses simple structure, convenient operation can according to the different width of curbstone foundation or strip foundation etc. size parameter, flexible adjustment interval, adapt to a variety of construction scene demand, ensure formwork installation accuracy, guarantee the construction process through angle square tube and horizontal direction support subassembly effectively resist concrete side pressure and so on load, guarantee formwork system stability, promote foundation construction quality.

The utility model provides an external high-precision dismounting-free external template fixing connecting piece, which belongs to the technical field of building insulation boards, and comprises a fixing disc and an anchor rod connected to the bottom of the fixing disc, the bottom of the anchor rod is connected with an anchor tip, the fixing disc is provided with an insertion hole, and the upper end of the anchor rod is provided with at least two groups of positioning ports communicated with the insertion hole; and an anchor cover is further included, two inserting columns and two protruding parts are symmetrically arranged at the bottom of the anchor cover, and when the inserting columns and the protruding parts are inserted into the inner bottoms of the inserting holes, the protruding parts bounce outwards and are fixed to the positioning openings. In actual use, the reinforcing mesh is installed between the anchor cover and the fixing disc, the reinforcing mesh is clamped between the anchor cover and the fixing disc through the anchor cover, and fixing of the reinforcing mesh is achieved. Extra parts for fixing the reinforcing meshes are not needed, the construction steps of the thermal insulation wall are simplified, and the forming speed is increased. Fins with different angles and densities are further arranged on the anchor rod, the occlusal force and stability of the anchor rod on the heat preservation plate and the concrete wall are improved through the fins, and the anchor rod is further prevented from being pulled out.

The utility model relates to zip fastener technical field, especially a kind of spherical chain tooth and zipper, including spherical mounting seat, tooth part and the connecting portion of both, the recess is provided with along first direction in tooth part, the both ends of tooth part and the connecting portion parallel with first direction are ellipsoidal structure, the mounting seat and tooth part are all in first direction and protrude from connecting portion, the both sides of mounting seat along first direction are provided with boss.The utility model's chain tooth's occlusal surface forms three spherical structure, to improve its wear resistance, occlusal force and sealing property.

The utility model discloses a nodular cast iron anti-sedimentation well lid, which comprises a well seat and a well lid body, the inner ring of the well seat is fixedly connected with a support ring, the outer ring of the well seat is fixedly connected with an anti-sedimentation outer ring, the periphery of the anti-sedimentation outer ring is in threaded connection with a plurality of threaded lead screws, the bottom ends of the threaded lead screws are provided with support bottom plates, and the support bottom plates are provided with support holes. A square head is installed at the top end of the threaded lead screw, a limiting ring is fixedly connected to an inner ring of the well base, a limiting ring groove is formed in the limiting ring, an anti-falling ring is arranged on the limiting ring groove and embedded in the limiting ring groove in a matched mode, and a plurality of anti-falling rods are fixedly connected into the anti-falling ring. The well lid has the advantages that the well base can be leveled, the installation efficiency is improved, the meshing force between the well base and the ground is increased, the stability of the well base is improved, the phenomenon of sedimentation is avoided, the bearing strength of the well lid body is improved, the phenomenon of bending and sinking of the well lid body is avoided, the service life is prolonged, and the safety is improved.

The invention relates to a carbon fiber prepreg lap shear test piece curing clamp capable of regulating and controlling the pressure of a contact surface, which is characterized by comprising a U-shaped clamp main body, a first clamping seat, a second clamping seat, a third clamping seat, a first clamping assembly and a second clamping assembly, the upper end of the first clamping base and the upper end of the third clamping base are each connected with a first clamping assembly, the left side and the right side of the upper end of the second clamping base are each provided with an L-shaped plate connected with the second clamping base into a whole, and the L-shaped plate, located on the right side, of the second clamping base is connected with a first clamping assembly. The second clamping assembly is arranged at the upper end of the second clamping base and located on the L-shaped plate on the left side. By adopting the structure, the contact pressure of the lap joint interface can be adjusted, so that the pressure of the lap joint surface of the test piece in the lap shear test is equal to the contact pressure of the lap joint interface in the real manufacturing process of a product, and a lap shear strength result tested in the lap shear test is more accurate.

This utility model discloses a steel well with a ring-shaped gripping rib reinforced structure, belonging to the field of well body structure technology. The steel well includes a cylindrical well body with multiple ring-shaped gripping ribs arranged vertically on its outer wall. The gripping ribs are closed-loop ring structures, fixed to the well body by welding or integral stamping, with increased spacing in the middle and bottom areas of the well body. The top and bottom plates of the well body are widened and can be designed with flanged structures to enhance the gripping force with the soil. The gripping ribs are made of Q235 / Q355 material and coated with an anti-corrosion coating, connected to the well body by continuous full welding or semi-embedded connection. This structure increases frictional resistance and gripping force through the interlocking of the gripping ribs with the soil, and widens the plates to distribute the load, significantly improving the well body's resistance to uplift, slippage, and settlement. It is suitable for buried applications in municipal and industrial settings, and performs particularly well in complex geological conditions such as soft soil foundations and high water levels. This utility model has a simple structure, is easy to construct, low in cost, and has strong pull-out and tilt resistance, making it valuable for a wide range of engineering applications.

The invention relates to the technical field of foundation pit support, and discloses a barrel type anchorage device structure for reducing the excavation volume of a foundation pit, which comprises a plurality of fixing units, the fixing units are arranged on a reinforcement cage, each fixing unit comprises an anchorage device and an inclined support, the inclined supports are fixedly connected to the reinforcement cage, the anchorage devices can be accommodated in the inclined supports, and the anchorage devices are arranged in the inclined supports. The inclined support and the reinforcement cage can be integrally embedded into the pile body, the anchorage device is used for clamping the anchor cable, and pressure borne by the anchorage device can be transmitted to the pile body through the inclined support. According to the technical scheme, a convex structure formed by a traditional external inclined support and an anchorage device is solved, the foundation pit excavation volume increased by fat groove filling is avoided, the construction cost is reduced, meanwhile, the construction period is shortened, and the high-altitude operation risk caused by fat groove filling operation is avoided.

The invention discloses a pet cat litter preparation method and device based on straw, and solves the problems that when a crushing wheel of existing equipment works, the meshing angle of the crushing wheel is small, and the occlusal force and shear force to straw are weak, the device comprises a device body, a straw pretreatment assembly and a pre-driving assembly, the device main body comprises a device base, a feeding seat and a crushing treatment seat, and the straw pretreatment assembly comprises a first crushing roller, a second crushing roller and an auxiliary roller pressing ring; in the embodiment of the invention, the straw pretreatment assembly and the pre-driving assembly are arranged, and the straw pretreatment assembly and the pre-driving assembly cooperate with each other, so that straw raw materials can be effectively grabbed, the meshing angle with the raw materials is increased, and then the meshing force and the shearing force on the straw are strengthened; the auxiliary rolling ring can perform variable-range pre-crushing treatment on the straw raw materials, so that the crushing efficiency of the straw raw materials is ensured, and the granularity uniformity of cat litter products is indirectly improved.

The utility model provides a strip penetrating machine for aluminum alloy door and window glass strip penetrating, which relates to the technical field of door and window production and comprises a workbench, a plurality of supporting rollers are movably mounted at the upper end of the workbench, a first profile is placed at the upper ends of the supporting rollers, and a limiting mechanism is mounted at one end of the upper surface of the workbench. The limiting mechanism is attached to the first profile, and a tooth punching mechanism is installed at the end, close to the limiting mechanism, of the upper surface of the workbench. The independent tooth punching mechanism is arranged, the second air cylinder drives the electric sliding rail to adjust the height of the tooth punching wheel, the tooth punching wheel is matched with the positions of notches of different profiles, the second motor drives the tooth punching wheel to rotate, the notches of the first profile and the second profile are pretreated, and a tooth-shaped structure is formed. The contact area of the notch with the teeth and the heat insulation strip is remarkably increased, the meshing force is greatly improved, the heat insulation strip is not prone to falling off after being embedded, and therefore the heat insulation and sound insulation performance of doors and windows is effectively improved.

The utility model discloses a steel bearing composite floor slab structure which comprises a steel beam and a concrete pouring layer, a galvanized pressure type steel bearing plate is laid on the upper portion of the steel beam, and the concrete pouring layer is formed on the upper portion of the galvanized pressure type steel bearing plate in a pouring mode. The lower portions of the ends of the steel beams are connected with foundation bolts pre-embedded in the concrete columns in advance, the galvanized pressure type steel bearing plates are connected with the steel beams through studs, and the distribution bars are bound on the galvanized pressure type steel bearing plates. According to the utility model, the galvanized pressed steel bearing plate and concrete combined structure is utilized, concrete is poured on the galvanized pressed steel bearing plate, and the paved galvanized pressed steel bearing plate can be used as a safe operation platform, so that a template supporting system does not need to be erected, and the requirement of rapid construction of a main body structure is met.