30results about How to "Solving fixed difficulties" patented technology

The invention discloses a device and a method suitable for monitoring the elevation change of a bearing of a turbo generator set. The device comprises testing devices, a communicating pipe network and a data acquisition device, wherein the testing devices are arranged on a tested bearing seat; the communicating pipe network comprises a total pipeline and a branched pipeline; each testing device is connected with the total pipeline through the corresponding branched pipeline and a tee joint; and the input ends of sensors inside the testing devices are all connected with the input end of the data acquisition device. The invention realizes the elevation measurement of a tested bearing by utilizing the testing mode of the communicating pipe network, enlarges the monitoring range of a system, enhances the testing precision, the economy of the system and conveniently and reliably fixes the testing devices, has convenient testing and high testing precision, meets the requirements for monitoring the elevation of bearings of various traditional large-sized turbo generator sets and has wide application prospect.

The invention discloses a cable and its field constructing method, and it includes an insulating outer layer where lead wires are arranged, where one surface of the insulating outer layer is a plane and a bonding layer is connected with the plane. Its field constructing method includes the steps: coating a curing agent on the planar part of the insulating part and combining the cable with the roof. Its structure is simple, and it solves the difficulty in curing soft material for cable trades and makes the cable appearance beautiful; and it can be fixed on the surfaces of soft, superhard and breakable materials, thus making it simpler to construct and wire and its application rang wide; it is convenient to construct on the spot, thus reducing the labor strength of workers and increasing the operating efficiency; it has a good fixing effect, beneficial to implement and it ahs a wide market prospect.

The invention provides a method for manufacturing a sand coated shell type bronze composite casting valve plate. The method for manufacturing the sand coated shell type bronze composite casting valve plate is composed of following steps that firstly, a precoated sand injection valve plate die cavity is taken, and is kept arm, precoated sand is molded in a curing manner, stripping is carried out, and a sand coated shell type is obtained; secondly, a copper sleeve is fixed to an inner core of the sand coated shell type, and then, mould assembling and vertical clamping are carried out so as to form a casting cavity, wherein the copper sleeve is made of tin bronze, and the tin bronze comprises tin smaller than or equal to 13 percent and phosphorus smaller than or equal to 0.2 percent; thirdly, molten iron is taken, and then the molten iron is poured into the casting cavity to obtain a casting; fourthly, the casting is taken to be cooled, blasting finishing is carried out, and the sand coated shell type bronze composite casting valve plate is obtained. According to the method for manufacturing the sand coated shell type bronze composite casting valve plate, the yield of composite castings can reach more than 95 percent. The technical problem of long-existing in mass production in the prior art is solved.

The invention discloses a semi-automatic screw type steel pipe, flange and connecting plate grouping device. The semi-automatic screw type steel pipe, flange and connecting plate grouping device comprises an H-shaped base; the top of the H-shaped base is correspondingly provided with an annular seat, a first sliding seat and a second sliding seat; and the first sliding seat and the second slidingseat are both slidably connected with the H-shaped base. The semi-automatic screw type steel pipe, flange and connecting plate grouping device is simple in structure; a steel cable and a slider are used for driving clamping rods to clamp and fix a flange; a steel pipe is placed on a V-shaped base by utilizing a crane; a second screw is rotated to drive two hinging blocks to approach to each otheror leave away from each other by virtue of screw threads which are arranged reversely; the height of the V-shaped base is regulated by virtue of the support and connection effects of connecting rods so that the steel pipe is concentric to the flange and convenience in welding and fixation is realized; subsequently a connecting plate is fixedly installed on a top platform; a third screw is rotatedto drive the top platform to move leftwards and rightwards; the connecting plate is inserted into the steel pipe; afterwards welding is implemented, thus assembling and welding of the flange, the steel pipe and the connecting plate are realized; time and efforts are saved; and relatively high safety is achieved.

The invention discloses a laryngeal mask fixing band with a good fixing effect, belongs to the technical field of clinical medical instruments, and is used for effectively fixing a laryngeal mask. The technical scheme is that the laryngeal mask fixing band is composed of a front fixed surface, a lower fixed surface and a fastening band, wherein the front fixed surface covers cheeks on two sides, an oral cavity, an upper lip and a lower lip; the lower fixed surface covers a lower jaw; the front fixed surface and the lower fixed surface are smoothly and integrally connected; after being respectively connected to the two ends of the front fixed surface, the fastening band encircles a head backwardly to be connected; a laryngeal mask fixing hole is formed in the front fixed surface; the position of the laryngeal mask fixing hole is corresponding to the oral cavity; the diameter of the laryngeal mask fixing hole is matched with the diameter of a laryngeal mask pipe. The laryngeal mask fixing band is simple and practical in structure and good in fastening effect; an effective medical instrument is provided for patients and medical workers; a clinical problem which is not solved for a long time is solved; a blank in laryngeal mask clinical fixation at home and abroad is filled; promotional and use values and obvious social benefits are achieved.

The invention relates to the technical field of LEDs, and discloses an LED light source cutting method. The LED light source cutting method comprises the following steps that an LED light source plate is placed on a cutting table, and the LED light source plate is adsorbed to the cutting table through vacuum suction holes, wherein the LED light source plate comprises a plurality of LED light source units which are arranged in a matrix mode, the LED light source plate is provided with a plurality of transverse connecting lines and longitudinal connecting lines which separate the adjacent LED light source units, the side edges of the adjacent LED light source units are connected through the transverse connecting lines or the longitudinal connecting lines, a cutting knife and a polishing grinding wheel which moves synchronously in the same direction with the cutting knife are arranged above the cutting table, the cutting knife and the polishing grinding wheel are arranged at intervals in the transverse direction, and the interval between the cutting knife and the polishing grinding wheel is equal to the transverse width of one or more LED light source units; and driving the cutting knife to cut the LED light source plate along the longitudinal connecting lines, and separating the LED light source units on the two sides of each longitudinal connecting line; the polishing grinding wheel synchronously moves along with the cutting knife in the same direction to polish the side edges of the LED light source units.

The invention discloses a test piece load test assembly. The test piece load test assembly comprises a connector assembly, a load sensor, a curved load transfer frame, a transmission assembly and an actuator cylinder, wherein one end of the connector assembly is connected with a test piece; one side of the load sensor is connected with the other end of the connector assembly; one end of the curvedload transfer frame is connected with the other side of the load sensor, and the curved load transfer frame comprises a bent section; the transmission assembly comprises a first load transfer wire rope end and a second load transfer wire rope end, and the first load transfer wire rope end is connected with the other end of the curved load transfer frame; the loading end of the actuator cylinder is connected with the second load transfer wire rope end. By the arrangement of the curved load transfer frame, the test piece load test assembly can bypass an interference through the bent section tomaintain the loading direction.

The invention discloses a reusable overhanging type steel fixing bolt and protecting sleeve and a construction process thereof. The reusable overhanging type steel fixing bolt and protecting sleeve and the construction process thereof aim to solve the problem that a U-shaped bolt for fixing overhanging type steel is difficult to fix, reduce the embedded mounting difficulty of the U-shaped bolt andreinforce the thread protection of the U-shaped bolt, thereby laying a foundation for repeated application of the U-shaped bolt, and the universality of green construction is fully reflected.

The invention provides an aluminum mold process stair railing embedded part mounting device and a mounting method thereof, and belongs to the technical field of constructional engineering, the device comprises a stair step aluminum mold, a stair railing base embedded mounting device and a stair railing base embedded part, and the stair step aluminum mold is provided with an opening; the stair railing base embedded installation device is arranged above the stair step aluminum mold and penetrates through the open hole, the stair railing base embedded part is arranged at the bottom of the stair step aluminum mold, and the stair railing base embedded installation device and the stair railing base embedded part are detachably arranged. On the basis of an existing technology of installing a base embedded part before pouring of a stair railing base, the advantage of good appearance quality of concrete outer surface forming of the technology is reserved. And components can be repeatedly and circularly used, so that the consumption of manpower, materials and machines is reduced, the construction procedures are reduced, the cost is reduced, the economic benefits are further improved, and the device is wide in application range.

The invention relates to a comprehensive reinforcing structure of an active open-spandrel arch bridge. The comprehensive reinforcing structure comprises a pressure grouting treatment arch ring pointing and crack structure and a finalization operation platform, the pressure grouting treatment arch ring pointing and crack structure comprises an arc-shaped pressing plate face plate, a first steel plate with bolt holes, a transverse steel pipe and a vertical steel pipe. The arc-shaped pressing plate face plate is fixed to an arch ring of a web arch through a second anchor bolt. The finalization operation platform comprises a third formwork, a second steel plate with a bolt hole, a transverse short rod, a horizontal transverse rod, a vertical rod, a connecting disc, a horizontal longitudinal rod and a buckling head, the second steel plate with the bolt hole is fixed to the web arch transverse wall through a fourth anchor bolt, and the buckling head is arranged on the connecting disc. The structure has the beneficial effects that the problem of comprehensive reinforcement construction of the open-spandrel arch bridge in active service under limited construction conditions can be solved, the structure is suitable for various working conditions during construction, and the structure has a wide application range.

The invention discloses an LED lamp with a lampshade, and belongs to the technical field of LED lamps. According to the technical key points, the LED lamp comprises a substrate; a light source is arranged on the substrate; a drive power source box is arranged in the middle of the substrate; the light source is distributed on the periphery of the drive power source box; an optical diffusion cover is arranged at the position, on the periphery of the light source, of the substrate; and the optical diffusion cover and the drive power source box are connected through a connecting part. The LED lampwith the lampshade is compact in structure, convenient to mount and good in use effect and is used for indoor and outdoor illumination.

A rapid clamping device for laser tin soldering of an electric ignition head comprises a base assembly, an electric ignition head pressurizing plate and a bridge wire pressurizing block. Two columns and N rows of electric ignition head limiting fixing grooves are arrayed in the base assembly, and the electric ignition head limiting fixing grooves are used for containing electric ignition head forked wires. A bridge wire pulling and covering groove is machined in the base assembly in the length direction of the cuboid and used for containing a bridge wire. Bridge wire fixing mechanisms are arranged at the two ends of the base assembly correspondingly and used for fixing the two ends of the bridge wire. The electric ignition head forked wires are pressed and fixed by the electric ignition head pressurizing plate through a plurality of electric ignition head pressurizing claws, and the bridge wire is pressed and fixed by the bridge wire pressurizing block through a plurality of bridge wire pressurizing claws; the pressurizing claws of the electric ignition head pressurizing plate and the bridge wire pressurizing claws of the bridge wire pressurizing block are arranged at intervals; and the base assembly and the electric ignition head pressurizing plate are connected and fixed through magnets, and the electric ignition head pressurizing plate and the bridge wire pressurizing blockare connected and fixed through magnets. Rapid clamping of laser tin soldering can be achieved by the rapid clamping device for laser tin soldering of the electric ignition head, and the positioning precision is high.

The invention relates to the technical field of fuel injectors, in particular to a fuel injector fixing structure. The fuel injector fixing structure comprises a pressing block which one end is abutted against an installing surface on an fuel injector and a pressing bolt with one end abutting against the upper surface of the middle of the pressing block and the other end is in threaded connectionwith a cylinder head, and further comprises a supporting element in threaded connection with the cylinder head, wherein the top of the supporting element abuts against the bottom of the other end of the pressing block. According to the fuel injector fixing structure, the problem that the fuel injector is difficult to fix due to structural change in a design and development process of an engine issolved, the supporting surface of the fuel injector pressing block is raised, the compactness design of a cylinder head cover is guaranteed, and the weight of the cylinder head is effectively reduced.