46results about How to "Expand the scope of the region" patented technology

The invention relates to a stereotactic radiotherapy system quality control detection motif and method. The motif part mainly comprises a multi-stage phantom connected by a phantom connection rod. A head mold groove is arranged on one end of the multi-stage phantom. The head mold groove is connected with one end of a head mold connection rod. The other end of the head mold connection rod is connected with a head mold. The head mold is provided with a head mold insertion plate groove. The multi-stage phantom is provided with an X-Y direction insertion plate groove, a Y-Z direction insertion plate groove and an ionization chamber insertion plate groove. According to the motif provided by the invention, a novel structure is designed, and each part of a human body can be accurately detected.

The invention discloses a hanging basket for bridge construction. The hanging basket structurally comprises a mounting bracket, a fixed derrick, a construction basket, a main transmission rod, an auxiliary transmission rod, a protective barrier, a protective net, a driver, a fastening bolt, a fastening pin, a protective bottom plate, a lower guide wheel, a lower roller, an upper roller, an upper guide wheel, a driving gear, a driving roller, a positioning plate and a driving hand wheel. The hanging basket has the advantages that the driver realizes driving control of the driving roller by turning the driving hand wheel, so that the driving gear is engaged with a transmission tooth surface, the moving function of the construction basket is achieved, the whole operation process is convenientand rapid, construction area coverage is more effectively improved, and working efficiency is increased.

The invention provides a gas prevention and control method for gob-side entry self-pressure-relief outburst-elimination rapid tunneling, and relates to the technical field of mine gas prevention and control. According to the gas prevention and control method, a pressure relief zone area, which is close to a coal body, of a upper section stope face is accurately determined, so that roadway tunneling in the pressure relief zone area is guaranteed; additionally, the outburst of gas of a coal seam on the inner side of a roadway is eliminated, the number of gas extraction drill holes is reduced, the work amount of the drill holes is reduced, the tunneling speed of the outburst coal seam is obviously increased, and the outburst risk in a tunneling process is greatly reduced; in the roadway tunneling process, the range of the pressure relief zone area is further enlarged, the gas extraction concentration and the extraction amount of the gas extraction drill holes are increased to a certain degree, the gas extraction time is shortened, and the gas pressure and content of the coal seam are rapidly reduced; and plugging materials are used for guniting and plugging the coal wall of the outerside of the roadway, and a damaged fracture gas seepage channel is effectively plugged, so that the inrush of goaf gas is reduced, and the concentration of return current gas is prevented from exceeding the limit.

The invention discloses a bucket elevator with an automatic cleaning function, belongs to the technical field of elevators, aims to solve the problems that when a bucket elevator in the prior art conveys powdery materials, the material loss ratio is high, the side wall of a chamber above a discharge port is hard to clean, provides the bucket elevator which can automatically clean the side wall ofthe chamber above the discharge port and is suitable for elevators. The bucket elevator comprises a machine base, a machine head and a machine cylinder. The side face of the machine base is provided with a feed port. The machine base is internally provided with a tail wheel. The machine head is internally provided with a transmission device. The transmission device is connected with the tail wheelthrough a winnowing pan belt, and the winnowing pan belt is evenly provided with a plurality of winnowing pans. One side of the machine head is provided with a buffer chamber communicating with the machine head, a discharge port is formed below the buffer chamber, and the side wall of the buffer chamber is connected with a cleaning brush in a hinged manner. A head wheel of the transmission deviceis provided with a rotating nail in an eccentricity manner, and the rotating nail is connected with the end, far away from a hinged point of the cleaning brush and the side wall of the buffer chamber, of the cleaning brush through a connection rope.

The invention discloses a power distribution cabinet with a good heat dissipation effect. The cabinet comprises a power distribution cabinet, bases are fixedly connected to two sides of the bottom ofthe power distribution cabinet; a cavity is formed in the power distribution cabinet body, cooling fans are fixedly connected to the upper portion and the lower portion of one side of the inner wall of the power distribution cabinet, one sides of the two cooling fans penetrate through the power distribution cabinet and extend into the cavity, and fixing blocks are fixedly connected to the two sides of the inner wall of the power distribution cabinet and located between the two cooling fans. The invention relates to the power distribution cabinet technical field. In the power distribution cabinet, a sliding block is arranged on the outer surface of a sliding rail; a first limiting plate and a second limiting plate on the sliding block are matched to limit the variable-frequency product; andthe variable-frequency product can be clamped between the first limiting plate and the second limiting plate by utilizing the elasticity of the connecting spring, so that the fixed connection of thevariable-frequency product is prevented, the structure is simple, the device can adapt to products with different sizes, the installation is rapid, and special tools such as wrenches are not needed.

The invention relates to the technical field of aluminum alloy hub detection equipment, in particular to an aluminum alloy hub defect detection device assembly which comprises a placement unit and a detection unit. The placement unit comprises a fixed seat, a placement seat, a supporting roller and a servo motor; the detection unit comprises a convex lens, a plane mirror and a CCD industrial camera. The detection device assembly has the beneficial effects that the CCD industrial camera in the detection unit is used for detecting the appearance defects of the peripheral surface of the aluminumalloy hub, manual detection is not needed, and the detection efficiency and precision are improved; a convex lens and a plane mirror are arranged, light imaging of a large-range area image of the peripheral surface of the aluminum alloy hub is shrunk through the light condensation capacity of the convex lens, the shrunk light imaging is reflected into the CCD industrial camera through the plane mirror, and thus the area range of single detection of the CCD industrial camera can be larger, and the detection efficiency is further improved.

The invention discloses a hanging basket for bridge construction. The hanging basket structurally comprises a mounting bracket, a fixed derrick, a construction basket, a main transmission rod, an auxiliary transmission rod, a protective barrier, a protective net, a driver, a fastening bolt, a fastening pin, a protective bottom plate, a lower guide wheel, a lower roller, an upper roller, an upper guide wheel, a driving gear, a driving roller, a positioning plate and a driving hand wheel. The hanging basket has the advantages that the driver realizes driving control of the driving roller by turning the driving hand wheel, so that the driving gear is engaged with a transmission tooth surface, the moving function of the construction basket is achieved, the whole operation process is convenientand rapid, construction area coverage is more effectively improved, and working efficiency is increased.

The invention discloses a melt-blown polypropylene material and its preparation method and application, which consist of the following components: 65-80 parts of melt-blown polypropylene, 20-35 parts of low-isotactic polypropylene, and 2-2 parts of stearate 3 copies. The invention blends low-isotactic polypropylene LMPP with melt-blown polypropylene, which can effectively improve the handle of the melt-blown non-woven fabric, and the prepared melt-blown non-woven fabric has a soft feel, and has the advantages of high strength and high toughness. , At the same time, it can improve the particle filtration efficiency and air permeability of melt-blown non-woven fabrics. This material has broad application prospects in the preparation of high-filtration, low-resistance female / child masks that require a perfect fit for the face.

The invention discloses a cardiovascular and cerebrovascular rehabilitation training instrument, and provides an instrument which not only can carry out comprehensive limb training on a patient, but also can massage the limbs of the patient and accelerate the rehabilitation speed, and in addition, can assist nursing personnel in nursing the patient and relieve the working intensity of the nursing personnel. The instrument comprises a U-shaped base and a position-adjustable massage device, a lifting-adjustable supporting frame is arranged on the U-shaped base, detachable seat plates are arranged on the left side and the right side of the supporting frame, a shear-type telescopic frame is arranged at the front end of the supporting frame, a foot supporting frame is arranged on the shear-type telescopic frame, the shear-type telescopic frame can be driven by a pull rod or a handle, a protective fence is hinged to the supporting frame, and an arm exercise mechanism is slidably connected on the protective fence. According to the cardiovascular and cerebrovascular rehabilitation training instrument, the structure is novel, the concept is ingenious, use is convenient, the working intensity of medical workers can be relieved to a great extent, and the working efficiency is improved; and the limb training function is more comprehensive, and the instrument can be matched with a massage device to accelerate rehabilitation of the patient.

The invention discloses a multifunctional internal bonding device for detecting rail buckles. Bonding pieces are embedded in grooves of a transverse plate by embedding walls; projections are formed on the wall surface of one end of the external; the structure can realize transitional fit between strip-shaped bodies on the embedding walls and the grooves; the strip-shaped bodies extend from the wall surface of one end of the internal to the wall surface of one end of the external; the two ends of the strip-shaped bodies are lower than the middles, and the top ends of the strip-shaped bodies are flat-wall-shaped or arched; the embedding walls are a top wall surface and a bottom wall surface; multiple strip-shaped bodies are arranged on the top wall surface and the bottom wall surface at equal intervals; the longitudinal spans of the strip-shaped bodies are 0.4-4 mm; the longitudinal spans of the projections are 4-15 mm; and rib plates are arranged on the inner surfaces of the bonding pieces. The device prevents the problems of larger liquid permeation gaps, weak closing effect and weak stability.

The invention discloses an anti-seepage internal gluing device for rail fastener detection. A bracket is in a cuboid frame structure; a cuboid frame is formed by connecting transverse plates and longitudinal plates from the top down; the transverse plates are connected with the longitudinal plates through gluing pieces; grooves are formed in the outer walls of the transverse plates and in the outer walls of the longitudinal plates; the gluing pieces are inserted into the grooves of the transverse plates via insertion walls; after the gluing pieces are fit with the surfaces of the transverse plates, the gluing pieces are limited in the grooves; gluing surfaces are used for laying an alpha-cyanoacrylate adhesive layer; the transverse plates are connected with the longitudinal plates through lead screws; the gluing surfaces contain wall surfaces inside and outside the ends of the gluing surfaces; bulges are formed on the wall surfaces outside the ends of the gluing surfaces; and ring-shaped wall surfaces containing an alpha-cyanoacrylate adhesive are arranged between the peripheries of the bulges and the outer walls of the gluing surfaces. The problems that a seepage gap is too large, and the sealing effect and the stability are not good are solved.

The invention provides a multifunctional arc axe which comprises an insulation rod and a working body. The working body comprises a middle center rod, an axe body arranged at one side of the center rod, and a brake pull rod working head and sawteeth which are arranged at the other side of the center rod. An installing cap is arranged at the bottom of the center rod, the installing cap is detachably installed at the top end of the insulation rod, the back face of the axe body is connected with the center rod, the front face, the top face and the bottom face of the axe body are each provided with an edge and sunken inwards to form an arc shape, the brake pull rod working head is transversely arranged, and the sawteeth are arranged below the brake pull rod working head. The multifunctional arc axe has the advantages of being scientific in design, convenient to operate, high in cleaning efficiency and high in safety.

The invention relates to a stereotactic radiotherapy system quality control detection motif and method. The motif part mainly comprises a multi-stage phantom connected by a phantom connection rod. A head mold groove is arranged on one end of the multi-stage phantom. The head mold groove is connected with one end of a head mold connection rod. The other end of the head mold connection rod is connected with a head mold. The head mold is provided with a head mold insertion plate groove. The multi-stage phantom is provided with an X-Y direction insertion plate groove, a Y-Z direction insertion plate groove and an ionization chamber insertion plate groove. According to the motif provided by the invention, a novel structure is designed, and each part of a human body can be accurately detected.

The invention discloses a tunny (shark) automatic angling machine, which consists of an angling floating platform, an angling device, a shark inducing device, a tunny inducing device, a control device, a floating box and a dynamo, wherein the angling device consists of an angling floating ball and an angling floating ball conveyer; the angling floating ball is arranged on the angling floating ball conveyer; the angling device, the shark inducing device, the tunny inducing device, the control device, the floating box and the dynamo are arranged on the angling floating platform; the tunny inducing device consists of a playing device which simulates assembling sound pressure of sardines to induce tunnies and a water injector which simulates assembling underwater sound of the sardines; and the shark inducing device is a device which adopts the blood smell emitted by blood plasma to induce sharks. The tunny (shark) automatic angling machine has the advantages that the fish inducing principle accords with life habits of the tunnies and the sharks; the tunnies (sharks) in remote distance, large scope and different water depths can be attracted and clustered; the area coverage of fish induction is greatly widened; and the catching rate is greatly improved.

The invention discloses a tunny (shark) automatic angling machine, which consists of an angling floating platform, an angling device, a shark inducing device, a tunny inducing device, a control device, a floating box and a dynamo, wherein the angling device consists of an angling floating ball and an angling floating ball conveyer; the angling floating ball is arranged on the angling floating ball conveyer; the angling device, the shark inducing device, the tunny inducing device, the control device, the floating box and the dynamo are arranged on the angling floating platform; the tunny inducing device consists of a playing device which simulates assembling sound pressure of sardines to induce tunnies and a water injector which simulates assembling underwater sound of the sardines; and the shark inducing device is a device which adopts the blood smell emitted by blood plasma to induce sharks. The tunny (shark) automatic angling machine has the advantages that the fish inducing principle accords with life habits of the tunnies and the sharks; the tunnies (sharks) in remote distance, large scope and different water depths can be attracted and clustered; the area coverage of fish induction is greatly widened; and the catching rate is greatly improved.

The invention discloses a plasma treatment corn seed and a matching cultivation method. The method of the invention is suitable for use in an ecological zone with an altitude of 33°-40° and an altitude of 700-1300 meters. The method for plasma treatment of corn seeds of the present invention is to use the DL-2 plasma treatment machine produced by Dalian Boshi Plasma Co., Ltd., the treatment dose is 1.6-2.0A, and the treatment is performed twice, and the seed flow rate is 5.0-5.5kg / min, sow seeds within 6-12 days after treatment. The cultivation method of the present invention is as follows: (1) selecting a variety in a suitable growth period; (2) fertilizing rationally; (3) watering in a timely manner. Compared with the prior art, adopting the method of the present invention can increase the yield per unit area of ​​corn by more than 30%; it can save 90 yuan per mu for plastic film covering; it can widen the range of corn cultivation, improve the utilization rate of ecological resources, and achieve the same soil fertility and cultivation The land with management costs can increase the income by more than 700 yuan per mu compared with the cultivation of naked oats. The invention is a highly practical technique for increasing corn production.

The invention discloses a device capable of carrying out purification along with a production line. The device comprises a pipeline, a spraying assembly and a water pump, wherein the pipeline is arranged in correspondence to the production line and is provided with a cavity; the cavity comprises a sliding way and a water storage cavity, and the sliding way and the water storage cavity are communicated with each other along a longitudinal direction; the water storage cavity extends in the length direction of the pipeline; the spraying assembly comprises a spraying pipe and a spraying head whichare slidably mounted on the sliding way, one end of the spraying pipe is connected with the spraying head, and the other end of the spraying pipe is connected with the water storage cavity; the waterpump is arranged on the spraying pipe and used for pumping water in the water storage cavity to the spraying head for spraying when the spraying pipe is communicated with the water storage cavity. According to the invention, the pipeline is arranged in correspondence to the production line, and the spraying pipe is slidably connected with the sliding way, so the spraying assembly can move to anyposition on the production line for spraying operation, which is beneficial for broadening a spraying area, and thus, the water mist purification degree of each position is balanced, and water mist purification effect is optimized; and the spraying pipe can be connected and disconnected with the water storage cavity, so the device is flexibly adapted to running and stalling of the production line,and the practicability of the device is improved.

The invention provides a gas control method for self-relief, pressure-relieving and rapid excavation of adjacent empty roadways, and relates to the technical field of mine gas prevention and control. The invention accurately determines the pressure relief zone area adjacent to the coal body in the upper section of the mining working face, so as to ensure roadway excavation in the pressure relief zone area; at the same time, the gas outburst of the coal seam in the roadway is eliminated, the number of gas drainage holes is reduced, and the number of drilling holes is reduced. In the process of tunnel excavation, the area of ​​the pressure relief zone is further increased, and the gas drainage concentration of the gas drainage hole is further increased. Both the gas drainage and gas drainage volume have been improved to a certain extent, the gas drainage time has been reduced, and the gas pressure and content of the coal seam have been rapidly reduced. The channel reduces the influx of gas in the goaf and prevents the gas concentration in the return flow from exceeding the limit.