38results about How to "Reasonable shape design" patented technology

The invention relates to a tracheal stent and application thereof. The tracheal stent comprises supporting rings and a supporting connecting rod, wherein the various supporting rings are of C-shaped structures and are serially connected by virtue of the supporting connecting rod, so that the various supporting rings are integrally fixed with the supporting connecting rod. The invention further provides a tissue engineering trachea, and the tissue engineering trachea is prepared by winding a chondrocyte-gelatin / polycaprolactone electrospun membrane complex on the outer surface of the tracheal stent. The tracheal stent or the tissue engineering trachea disclosed by the invention can be used for repairing tracheal stenosis by virtue of a tracheal external support suspension method, and a new C-shaped cartilaginous ring is formed after the implantation of the tracheal stent or the tissue engineering trachea, so as to guarantee growth potential finally.

The invention discloses a light handheld laser swinging welding head. The light handheld laser swinging welding head comprises a collimating unit, a control unit and a light path unit, the collimatingunit is provided with a collimating connecting cylinder, the outer side wall of the circumference of the collimating connecting cylinder is a holding part, a laser incident end and a laser emergent end are oppositely arranged at the two ends of the collimating connecting cylinder, the control unit comprises a light contact switch and an induction welding nozzle, the light path unit comprises a light path main body and a swinging main body, the light path emergent end of the light path main body is bent downwards and is connected with a welding head body, the light path incident end of the light path main body is horizontally connected with the laser emergent end, and the swinging main body is arranged in a mode of extending upwards in the direction away from the outer end surface of the light path incident end. According to the light handheld laser swinging welding head, a swinging motor is arranged to control the angle of a reflecting lens in real time, and the laser light path is adjusted, so that the width of a weld joint is adjusted, the width of the weld joint is increased, then a product is not prone to weld penetration, and the welding efficiency and the welding quality areimproved.

The invention relates to a connecting node for a steel pipe constrained steel recycled concrete column and a steel beam and a construction method thereof. The connecting node comprises the steel pipe constrained steel recycled concrete column, the steel beam, a sleeve clamping pipe and angle steel, wherein a node area is formed at the intersection of the steel pipe constrained steel recycled concrete column and the steel beam, the steel beam is in fastened connection with the angle steel, the steel pipe constrained steel recycled concrete column is fixedly connected with the angle steel through a second high-strength bolt penetrating the concrete column, the sleeve clamping pipe is tightly hooped outside the steel pipe constrained steel recycled concrete column at the node area in a surrounding mode, and two ends of the sleeve clamping pipe are in fastened connection with the steel beam. The constraint effect on recycled concrete of a steel pipe is reinforced by the sleeve clamping pipe, the stress and anti-seismic properties of the node are improved, the steel pipe column is cast with the recycled concrete, and energy saving, environmental protection and stainable resource utilization are promoted.

The invention relates to a cannula assembly for cerebral vascular intervention through radial artery approach, which comprises an outer cannula, a middle passage catheter and a guide wire; the outer cannula is provided with a first bending section, a first linear section, a second bending section, a second linear section, a third bending section, an outer cannula linear section and an outer cannula joint; the second bending section is bent towards the far-end direction, and the bending curvature of the far-end section of the second bending section is larger than that of the near-end section of the second bending section; the second linear section is longer than the first linear section and has larger inclination; the middle passage catheter is provided with a head end section, a neck section, a middle passage catheter linear section and a middle passage catheter joint; and the hardness of the outer cannula is greater than that of the middle passage catheter. The cannula assembly can improve the convenience and success rate of whole cerebral vascular hyperselection through the radial artery approach, avoids vascular injury, is suitable for approach of any one of left and right radial arteries, and can be used for cerebral angiography and cerebral vascular disease interventional therapy.

The invention particularly discloses a novel spinning boundary process, belonging to the field of spinning. According to the invention, the continuous longitudinal relationships between cleaning, carding, drawing, combing, roving, refining and spooling and the like are researched so as to master the regularity; the quality of high-complexity products is improved to a worldwide advanced level by taking raw cotton as a premise, temperature and humidity as conditions, equipment as a foundation, the process as a core, facilities as key and operation as a guarantee. In the novel spinning boundary process, the spinning steps are researched so as to obtain the regularity, thus the quality of products is reliably guaranteed, and the difficulties in production of the high-complexity products are solved; and the process is suitable for widely popularized and used.

The invention relates to a phototherapy device applied to metabolic diseases. The phototherapy device is provided with an annular flexible panel, a wearing notch is formed in the flexible panel, the inner wall of the flexible panel is provided with semiconductor light-emitting diodes distributed in an arrayed mode, a control unit integration device is arranged on the outer wall of the flexible panel, the two ends of the flexible panel are provided with fixing bands matched with each other, a PWM pulse drive mode is adopted to the semiconductor light-emitting diodes, and the semiconductor light-emitting diodes emit ultraviolet light, blue light, yellow green light, orange red light or light combining two or more of the preceding light. The phototherapy device is simple in overall structure, highly targeted, good in portability, convenient to use and capable of emitting light combination with certain strength and wavelength and a certain treatment effect, and provides comfortable and safe treatment for patients suffering from metabolic diseases.

The invention relates to a trachea support and its application. The trachea stent is provided with support rings and support links, each of the support rings is C-shaped, and each support ring is connected in series by support links, so that each support ring and support links are fixed into one. The present invention also provides a tissue engineered trachea, which is made by wrapping the chondrocyte-gelatin / polycaprolactone electrospun membrane composite on the outside of the trachea stent. Using the tracheal stent or tissue engineered trachea of ​​the present invention, the tracheal stenosis can be repaired by the extratracheal support suspension method, and a new C-shaped cartilage ring can be formed after implantation, finally making it have the potential to grow.

The invention discloses a portable computer hinge shell manufacturing method. A hinge shell comprises a cylindrical shell body and a baffle sheet arranged in the cylindrical shell body; an accommodation space is formed in the cylindrical shell body; and the baffle sheet is connected with the inner wall of the cylindrical shell body in a spot welding manner and is perpendicular to the inner wall ofthe cylindrical shell body. The manufacturing method comprises the following processes of stamping the baffle sheet; performing CNC machining on the cylindrical shell body; welding the edge of the baffle sheet to the inner wall of the cylindrical shell body in a laser spot welding manner; polishing the outer surface of the cylindrical shell body; forming a printing ink layer on the outer surfaceof the cylindrical shell body; performing laser carving to remove printing ink: performing the laser carving to remove the printing ink layer of a matte region; performing abrasive blasting on the outer surface of the cylindrical shell body; performing cleaning to remove the printing ink; and performing anodic oxidation. The hinge shell manufactured by adopting the method is simple in structure, attractive in appearance, convenient in machine shaping and high in degree of matching with a hinge of a portable computer; after installation, the hinge does not get loose and is high in matching degree and stable in rotation; the baffle sheet is connected with the cylindrical shell body through laser spot welding, so that no residues are generated; and the method is suitable for high-end portableproducts.

The invention relates to an anterior cervical controllable advancement apparatus. The anterior cervical controllable advancement apparatus comprises a fixed arm, a movable arm, a gear rack, a grooved limiting rod and lifting rods, and further comprises a synchronous lifting component, wherein vertebral body screws are assembled at the lower ends of both the fixed arm and the movable arm; the gear rack and the grooved limiting rod are connected to the fixed arm and the movable arm and are capable of sliding relative to the movable arm; the lifting rods are inserted in a limiting groove of the grooved limiting rod; adjusting screw rods and adjusting nuts, which are sleeved, are arranged on the lifting rods; the adjusting nuts are embedded and retained on the upper side of the limiting groove; oblique through holes are formed in the lower ends of the lifting rods; and angle fixing nails are assembled in the oblique through holes. According to the anterior cervical controllable advancement apparatus provided by the invention, lateral approach of an anterior cervical body can be achieved, and advancement of vertebral bodies related to ossification of posterior longitudinal ligament can be conducted; the advancement apparatus is flexible to use, quantitative and controllable in operation and uniform in lifting; the advancement apparatus is good in operating effect and low in injury to patients; and the advancement apparatus has a broad clinical application prospect.

The invention discloses a mono-crystal electromagnetic field for being matched with a mono-crystal furnace in the production of semiconducting material, which consists of yoke plates, a concentrating flux plate, magnetic poles and pole heads. One end of each yoke plate is connected with each other by the concentrating flux plate and the other end thereof is connected with the magnetic poles; two magnetic poles are corresponding to each other and the corresponding face of the two magnetic poles is provided with the pole heads; the two yoke plates, the concentrating flux plate and the two magnetic poles form a C-shaped frame; the two yoke plates are respectively fixed on two columns that are connected by a connecting beam; the concentrating flux plate is connected with a cooling system. The mono-crystal electromagnetic field is stable and adjustable, can promote material utilization rate and the property index of a silicon chip and can improve the utilization rate of the material and the performance index of silicon chip. The mono-crystal electromagnetic field can change the exiting mono-crystal furnace to achieve the requirement for improving the quality of monocrystal, can design according to mono-crystal furnaces with different structures to satisfy the requirements of different users and has comparatively simple structure and lower production cost.

The invention provides a slice electrode which is small, exquisite and reasonable in shape design, convenient to use and multiple in function. The thickness of the slice electrode is only 2mm, and the slice electrode is of a lampshade-type shape and is formed by electrode slices and wire ports. Conducting strips, insulating strips and a heating device are arranged in a slice electrode body and connected with wires on the outside, a temperature sensor is installed between the insulating strips and the conducting strips, and the two ends of the temperature sensor are connected with a terminal through wires; the inner side of the slice electrode body is provided with heat dissipation overlapping curves which have a temperature control function and are capable of fully emitting local heat so that the slice electrode can be more convenient, more comfortable and safer to use. In the mastopathy treating process, the slice electrode can be directly put into a bra for treatment next to the skin; adjustable diagnosis models of electrical stimulation include high-frequency waves, acupuncture waves, sparse waves, fluctuant waves, discontinuous waves, audio waves and fluctuant and discontinuous waves; different therapeutic schedules can be set according to different symptoms, and the medical multi-function slice electrode has remarkable curative effects especially on female mastopathy.

A kind of homogeneous barium-based slag ball used in converter process, belong to slag material used in converter process. The raw material and weight percentage composition for producing slag ball as follow: weight metal and stone 1~95, iron particle or steel particle 0~79, aluminate cement 5~15, magnesium sand 0~5, proportional adding water, weight metal and stone, iron particle or steel particle, aluminate cement, magnesium sand and mixing, packing compact and shaking to preparing the ball, there is a hollow toroid that square crossing passing sphere largest circumference in the sphere surface. The invention of the ball built-in and built-out homojunction, the whole density homogeneity and locate accuracy in steel liquid. The ball shape designed rational, and the ball has stop slag efficiently. The invention can efficiently decrease the steel bag slag blanket thickness; prolong the steel bag length of life. Compare with the current technology, the price is low. It has the profit for the steel factory to further optimization production and improves comprehensive benefit. In addition, the ball contain BaSO4 above 65%, if every stove used one slag ball that we produce, the silicon, aluminium and barium utilization can be decreased, decreasing steel production cost.

The invention discloses an auxiliary welding device for a circuit board, which comprises a circuit board, a protective plate is arranged at the lower end of the circuit board, and a diversion groove matched with pins is arranged on the protective plate, and a protective plate is installed at the upper end of the protective plate. Connecting device, and the circuit board is clamped by the connecting device and the protective plate, the upper end of the connecting device is screwed with a fixing seat, and the device can use the protective plate below to isolate the part that does not need to be welded at the lower end of the circuit board, so that It is difficult for the solder liquid to form a solder bridge, and the shape of the diversion groove is designed reasonably, which can ensure that the wave crest of the wave soldering can wash away the parts that need to be welded and solder correctly. It can be correctly fixed on the fixing plate, and because the specific shape of the protection plate can better adapt to the circuit board, it has high practical value.

The invention relates to a coating-tube-binder steel-tube-recycled-concrete-column and steel-girder connecting joint and a construction method. The connecting joint comprises a steel-tube recycled concrete column, a steel girder, an internally-arranged steel tube, a coating tube binder and angle iron; the steel-tube recycled concrete column comprises a coating steel tube and recycled concrete with which the coating steel tube is filled, the steel-tube recycled concrete column is connected with the steel girder in a fastened mode through the angle iron, a joint area is formed at the connected position of the steel-tube recycled concrete column and the steel girder, the internally-arranged steel tube is located at the portion, located in the joint area, of the coating steel tube, and the portion, located in the joint area, of the coating steel tube is tightly bound by the coating tube binder in a surrounding mode while the coating tube binder is connected with a web of the steel girder in a fastened mode. No penetrating part exists in the steel-tube recycled concrete column and the joint area, and therefore convenience is brought to casting of the recycled concrete. The recycled concrete is cast in the steel tube column, energy can be saved, the environment can be protected, and recourses can be sustainable utilized. The connecting joint is economical, reliable, easy to manufacture and convenient to construct. On-site welding is avoided, connection of the joint is completely achieved with high-strength bolts, construction is more convenient, and meanwhile the possibility of brittle failure of a welded joint under the seismic effect is eliminated.

The invention discloses a special special-shaped plaster for anorectal and urinary operations. The special special-shaped plaster is characterized in that the special special-shaped plaster is of a special-shaped structure according with the physiological structure features of the perineum; the special-shaped structure comprises a base layer; the base layer comprises a base layer body, a first base layer extension part, a second base layer extension part, a third base layer extension part and a fourth base layer extension part, wherein the first base layer extension part extends from the right side edge of the base layer body towards the right side, the second base layer extension part extends from the left side edge of the base layer body towards the left side, the third base layer extension part extends from the upper side edge of the base layer body towards the upper side, the fourth base layer extension part extends from the lower side edge of the base layer body towards the lower side, the first base layer extension part and the second base layer extension part are both of a U shape, and the edges of the third base layer extension part and the fourth base layer extension part are shaped like arcs protruding outwards. The special-shaped design of the special special-shaped plaster accords with the physiological structure features of the perineum, the fixing effect is guaranteed, discomfort of a patient is reduced, and the structural design is quite reasonable.

The invention discloses a hot-pressing soldering device adopting circulating water cooling. The hot-pressing soldering device comprises a water cooling part, a soldering lug fixing piece, a first soldering lug and a second soldering lug. The water cooling part comprise a first water cooling block and a second water cooling block, and the soldering lug fixing piece is provided with a downward-extending mounting part and comprises a first soldering lug fixing piece body and a second soldering lug fixing piece body. The first soldering lug fixing piece body is fixed to the bottom of the first water cooling block, and the second soldering lug fixing piece body is fixed to the bottom of the second water cooling block. The first soldering lug is mounted on one side of the mounting part, one endof the first soldering lug makes contact with the first soldering lug fixing piece body, and the other end of the first soldering lug makes contact with the second soldering lug fixing piece body. Thesecond soldering lug is mounted on the other side of the mounting part, and the first soldering lug and the second soldering lug are symmetrically arranged in a spaced mode. One end of the second soldering lug makes contact with the first soldering lug fixing piece body, and the other end of the second soldering lug makes contact with the second soldering lug fixing piece body. The hot-pressing soldering device is reasonable in structure and shape design and convenient to mount and operate, the soldering lugs are convenient to replace according to different products, and the production efficiency is improved.

The invention discloses an electronic antitheft doorplate. The electronic antitheft doorplate comprises a doorplate board and a control panel, wherein rivet holes are formed in four corners of the doorplate board, a door lock monitor, a pinhole camera, a sound recorder, an infrared detector and a fingerprint collector are connected in parallel through a wire, the right end of the wire is connected with a control unit, the fingerprint collector is arranged on a doorbell button, a doorplate body is installed in the middle of the doorplate board, bolt holes are formed in four corners of the control panel, the control unit, a signal projector, a doorbell and an alarm device are installed on the control panel, the control unit is installed on the upper side of the control panel, and the signal projector, the doorbell and the alarm device are sequentially installed on the lower side of the control panel from left to right. The electronic antitheft technology is adopted, the pinhole camera, the sound recorder, the fingerprint collector and the alarm device are installed, scientific theft guard is achieved, and therefore a house owner can go out without worry.

The invention provides a connector shaft which comprises a front section, a middle section and a rear section, wherein the front section, the middle section and the rear section are connected together. The front section and the middle section are in a cylindrical type, grooves are formed in the periphery of the front section, the rear section body is in a quadrangular shape, and the end of the rear section is in a quadrangular frustum pyramid shape. Further, chamfers are arranged on the four lateral edges of the rear section, the number of the grooves is two, and the grooves are formed in the periphery of the front section of the connector shaft symmetrically and correspondingly. Furthermore, the connecter shaft is made of aluminum oxide ceramic. The connector shaft is reasonable in appearance design, accurate in size control, convenient to assemble, good in heat resistance, innocuous and nontoxic because the connector shaft is made of the aluminum oxide ceramic.

The invention relates to a rope type internal fixation device for the orthopedics department. The rope type internal fixation device comprises a rope and fixation nails, wherein the rope is formed by weaving fibers and provided with a fixation band. The two ends of the fixation band are respectively provided with a fixation ring. The fixation nails are inserted into the fixation rings. The fixation nails are hollow and provided with hollow axial channels. The end face area of the ends, connected with nail bodies, of nail heads is larger than the end face area of the ends, connected with the nail heads, of the nail bodies. The rope type internal fixation device is a novel growth guiding internal fixation device, has flexibility compared with a steel plate, can be suitable for the metaphysis in any anatomical shape, has lower incisurae and higher biomechanical strength and makes placement of the screws more convenient, and therefore the problems that for a current steel plate shaped like the Arabic number eight, screws are often pulled out and fractured and are complicated to place in and take out are effectively solved.

The invention relates to fitness equipment capable of training legs and waist. The fitness equipment comprises an upper part and a lower part, wherein the upper part and the lower part of the fitness equipment are combined through splicing; the surface of the upper part is formed by combining a plane and a curved face; the curved face is a cambered surface which protrudes upwards; and the lower part is of a semicircular structure. According to the fitness equipment disclosed by the invention, the semicircular structure of the lower part is placed on calf, the plane abuts against thigh and the curved face makes contact with hip, so that the fitness equipment capable of training the legs and the waist is stabilized between the thigh and the calf under the strength of the thigh and the strength of the calf; therefore, the fitness equipment can promote training of the legs and can bring about benefits for bodybuilding.

The invention relates to a walnut cold-pressing expeller. The walnut cold-pressing expeller comprises a pressed cage, a feeding passage, a material pushing and cold pressing mechanism, and a cake checking head, wherein the pressed cage is horizontally arranged on a rack; a plurality of cage bars respectively extending to openings of the two ends of the pressed cage are arranged on the inner wall of the pressed cage in the circumferential direction of the pressed cage and are uniformly distributed at intervals in the circumferential direction of the pressed cage; one ends of the plurality of cage bars jointly form a feeding hole; slag discharging holes are formed in the other ends of the plurality of cage bars in a connecting and communicating manner; the feeding passage is arranged on therack in the axial direction of the pressed cage; one end of the feeding passage is connected to and communicates with the feeding hole; a charging hole is formed in the upper end of the feeding passage; the material pushing and cold pressing mechanism is arranged at the other end of the feeding passage and is used for pushing materials added at the charging hole into space among the plurality of cage bars and extruding the materials; the cake checking head is in transmission connection with a driving mechanism; and the driving mechanism is used for driving the cake checking head to horizontally move in the axial directional of the pressed cage till the cake checking head is leaned against or separated from slag discharging hole. The walnut cold-pressing expeller has the advantages that thecontinuous pressing can be realized, by-products can be recycled and deeply processed, the operation labor intensity of equipment is small, the environmental pollution is avoided, and the walnut cold-pressing expeller is simple to use, convenient to maintain and has high production efficiency.

The invention relates to a laryngeal mask model selecting tool safe, easy and convenient to use. The tool is provided with two bent measuring arms. Each measuring arm is provided with a front measuring arm, a hinged section and a rear measuring arm from the head end to the tail end in sequence. The two measuring arms are hinged through a hinge shaft at the hinge sections. A finger ring is arranged at the tail end of each measuring arm, and an elliptic gasket is movably connected to the side wall of the outer side of the head end of each measuring arm; one end of a graduated disc is fixed to the side wall of the inner side of the rear measuring arm of the first measuring arm, and the other end of the graduated disc penetrates through a through hole in the rear measuring arm of the second measuring arm and stretches out of the second measuring arm; a laryngeal mask identifier is arranged on the graduated disc. By applying the laryngeal mask model selecting tool, the laryngeal mask model most suitable for the volume of the laryngeal part of pharynx of a patient can be determined safely, accurately, easily, conveniently and rapidly, the postoperation complications of the laryngeal part of pharynx of the patient are remarkably reduced, the postoperation comfort and satisfaction of the patient are greatly improved, and the great clinic application value is achieved.

The invention relates to a distribution network uninterruptible power bypass line preassembled rapid access device, and belongs to the field of electric power overhaul. The device comprises an insulation shell, and the insulation shell comprises an upper pressing block and a lower pressing block movably arranged on the upper pressing block; a torque nut is fixedly arranged on the lower pressing block, and a locking mechanism is movably arranged between the upper pressing block and the lower pressing block; the locking mechanism comprises a connector, a connecting seat and a connecting screw rod, and a locking mechanism for locking the connecting screw rod is arranged on the connector. The locking device has the advantages that a double-insurance structure of the locking mechanism and the locking mechanism is arranged, the using safety performance is greatly improved, the locking mechanism is locked in a clamping mode, the anti-disengaging effect is good, and assembling is rapid; the locking mechanism adopts a spring tongue type locking structure, so that the locking mechanism is not easy to loosen, locking and unlocking are convenient and fast, the labor intensity of operators is reduced, the operation safety is improved, and the access efficiency of a bypass device or temporary power taking in the non-power-cut operation of the distribution network is greatly improved.

The invention discloses special slag salvaging equipment for hot galvanizing in the technical field of hot galvanizing. The special slag salvaging equipment for hot galvanizing comprises a slag salvaging shovel; a slag shovel push rod is arranged at the top of the slag salvaging shovel; a main lifting chain and an auxiliary lifting chain are respectively arranged on the outer wall of the slag salvaging shovel; the other end of the main lifting chain and the other end of the auxiliary lifting chain are both connected with a slag salvaging trolley; guide rolls are arranged at the connecting partof the slag salvaging trolley and the the other end of the main lifting chain and the connecting part of the slag salvaging trolley and the other end of the auxiliary lifting chain; and a track is arranged at the top of the slag salvaging trolley. The special slag salvaging equipment for hot galvanizing is used for the hot-dip galvanizing industry, is specially used for zinc pot slag salvaging operation, and aims at improving the automation degree of the slag salvaging link and reducing physical exhaustion of the slag salvaging link to the maximum extent. The slag shovel is specially designedin shape, so that it is guaranteed that the slag shovel is matched with the bottom of a zinc pot in shape, no dead angle exists during slag salvaging, and slag salvaging is more thorough; the slag shovel is made of special materials, so that zinc is slowly applied, and the service life of the slag shovel is longer; and slag salvaging and lifting equipment adopts an electric hoist to assist shovelpulling and lifting, so that the physical exhaustion of slag salvaging operators is reduced.

The invention discloses an inverted-L-shaped double-loop terminal pole which comprises a steel pipe pole, a first cross arm, a second cross arm, a third cross arm and a fourth cross arm, and the first cross arm, the second cross arm, the third cross arm and the fourth cross arm are located on the same side of the steel pipe pole, one end of the first cross arm is fixed with the peripheral surface of the top end of the steel pipe pole, the second cross arm, the third cross arm and the fourth cross arm are sequentially arranged below the first cross arm in parallel at intervals from top to bottom, one ends of the three cross arms are fixed to the peripheral face of the steel pipe pole, the first cross arm is a ground wire cross arm, and the second cross arm, the third cross arm and the fourth cross arm are all wire cross arms. The invention provides a very economical solution for the pipeline position conflict problem. The size of the steel pipe pole head is optimal, and the steel pipe pole head is more stable and convenient to construct. The steel pipe pole body and the cross arms are reasonable in appearance design, the appearance change rule is similar to the internal force change rule of components, and the performance of materials is fully exerted, so that material waste is reduced, and engineering investment is reduced.

The invention relates to an anchorable smooth anatomical prosthesis, which comprises a hollow shell. The shell is filled with filler. At least one fixing device used for fixing the shell to the chestwall of the human body is arranged on one side of the shell, and a calibration device used for judging whether the shell is correctly placed in a placement cavity gap of the human prosthesis or not isarranged at a position, close to one end, of one side of the shell. The anchorable smooth anatomical prosthesis has the advantages that: the stability of the prosthesis on the chest wall of the humanbody and the position accuracy are improved, breast deformation is avoided, and overall attractiveness of the breast is guaranteed; in addition, prosthesis complications caused by a rough surface shell can be avoided, and safety and reliability are achieved.

The invention discloses an onboard foam dust-fall support of a development machine. The onboard foam dust-fall support comprises a support main body (13) which comprises arc-shaped main bodies (2) and is directly arranged on a cutting arm (12) of the development machine, wherein a foam inlet joint (1) is arranged on each arc-shaped main body (2), and a ball nozzle mounting base (3) is fixed at the liquid outlet of each arc-shaped main body (2) by virtue of a fixed flange (4) and bolts (5); two ends of each arc-shaped main body (2) are connected with a connecting block (7) by virtue of a connecting shaft (6) respectively, and the arc-shaped main bodies (2) are connected together by virtue of the connecting blocks (7) and connecting screw rods (8) to form the support main body (13). By adopting the onboard foam dust-fall support disclosed by the invention, the distance between a foam nozzle and a key dust generating area is obviously shortened, the bifurcation phenomena of a foam flow field due to a too long spraying distance is avoided, the foam use level is lowered, and the foam utilization ratio is improved; meanwhile, the onboard foam dust-fall support is convenient to adjust, firm and durable, and suitable for different types of development machine.

The invention discloses an onboard foam dust-fall support of a development machine. The onboard foam dust-fall support comprises a support main body (13) which comprises arc-shaped main bodies (2) and is directly arranged on a cutting arm (12) of the development machine, wherein a foam inlet joint (1) is arranged on each arc-shaped main body (2), and a ball nozzle mounting base (3) is fixed at the liquid outlet of each arc-shaped main body (2) by virtue of a fixed flange (4) and bolts (5); two ends of each arc-shaped main body (2) are connected with a connecting block (7) by virtue of a connecting shaft (6) respectively, and the arc-shaped main bodies (2) are connected together by virtue of the connecting blocks (7) and connecting screw rods (8) to form the support main body (13). By adopting the onboard foam dust-fall support disclosed by the invention, the distance between a foam nozzle and a key dust generating area is obviously shortened, the bifurcation phenomena of a foam flow field due to a too long spraying distance is avoided, the foam use level is lowered, and the foam utilization ratio is improved; meanwhile, the onboard foam dust-fall support is convenient to adjust, firm and durable, and suitable for different types of development machine.

The invention relates to a guide board system for an orthopaedic surgery of osteotomy of an ulnar near segment. The system comprises an osteotomy guide board and a shaping guide board. The osteotomy guide board is provided with an osteotomy guide board body and an osteotomy electric saw groove. The shaping guide board is equipped with a distal-end shaping guide board, a near-end shaping guide board and a universal rotary extending button connecting the distal-end shaping guide board with the near-end shaping guide board. The osteotomy guide board body, the distal-end shaping guide board and the near-end shaping guide board are completely attached to the back side of an ulna ruler. Due to the guide board system for the orthopaedic surgery of osteotomy of the ulnar near segment, precision ofosteotomy and shaping is improved. The operation difficulty is lowered. Firm fixation is achieved. The success rate of an old Monteggia fracture surgery is greatly increased. The recurrence rate is lowered. The elongation technology of corrective osteotomy of the ulna of old Monteggia fracture is enhanced. The clinical effect of the old Monteggia fracture surgery is improved.