41results about How to "Fixed tightly" patented technology

This utility model provides an easy-to-install toilet seat mounting component, relating to the technical field of toilet parts. It includes a screw, a locking seat, a locking element, a nut, and a stop block. The locking seat has screw holes at both its top and bottom. A screw is threaded through the surface of the screw hole near the top of the locking seat. The nut is located inside the locking seat, and a mounting groove is provided on one side of the locking seat. The nut is vertically positioned inside the locking seat and horizontally within the mounting groove. The nut is threadedly connected to the screw. A stop block is provided on the other side of the locking seat. The nut can be easily adjusted in direction within the locking seat and connected to the screw via the nut mounting groove, eliminating the need for complex operations and professional tools. The locking element is installed through an open groove and a retaining shaft, simplifying the installation process, reducing difficulty, and improving efficiency. Furthermore, the retaining shaft and nut retainer on the inner wall of the locking seat restrict the movement of the retaining shaft and nut, ensuring the stability of the installed component. The locking element cooperates with the stop block and rotates around the retaining shaft, ensuring a tight and reliable fixation of the toilet seat.

This utility model discloses a docking device that facilitates disassembly and improves efficiency, belonging to the field of mechanical engineering technology. The device includes a lifting cylinder with two threaded mounting pipes threaded to one side. Each of the two threaded mounting pipes has a fixed pipe fixedly connected to one side. The docking assembly is equipped with oil pipes, enabling rapid docking and fixation of the oil pipes. This utility model achieves rapid positioning through the precise cooperation of the guide groove and locking block, and then achieves tight fixation by rotating the pull rod. The entire process eliminates the need for cumbersome bolt tightening or welding operations. Disassembly can be performed by reversing the operation for quick separation. Compared to traditional flange connections or welding structures, this saves a significant amount of disassembly and assembly time. By setting up the fixed pipe and sealing gasket, when the connecting pipe is squeezed towards the sealing gasket by the fixing block, the sealing gasket undergoes elastic deformation due to the force, filling the gap between the fixed pipe and the connecting pipe.

The utility model discloses a novel conductive fabric auxiliary material pressure maintaining structure, which comprises a main body, a double-column ejector rod arranged below the main body, a polyurethane compression ring arranged below the double-column ejector rod, a gland guide limit arranged on the right side of the polyurethane compression ring, and a pressure maintaining positioning seat arranged below the gland guide limit, a gland lock hook is installed on the right side of the pressure maintaining positioning seat, a gland lock hook seat is installed on the gland lock hook, a gland lock hook shaft is installed on the gland lock hook seat, and an inner sinking screw is installed on the left side of the gland lock hook shaft. According to the novel conductive fabric auxiliary material pressure maintaining structure, the operation hole facilitates operation in the main body, the positioning hole improves the assembly precision, and device stability and function accuracy are ensured. The gland lock hook is connected through a second connecting hole, a second spring enables the lock hook to reset, operation convenience is improved, and the service life of parts is prolonged. A gland lock hook seat screw mounting hole is used for fixing, and a first connecting hole is used for strong connection to guarantee stability. A first spring of the double-column ejector rod provides elastic force to keep stable ejection, a polyurethane compression ring is in butt joint with a butt joint hole, and components are protected through material characteristics.

The utility model discloses a kind of soft magnetic material cutting chip recovery devices, belong to soft magnetic material processing technical field.This kind of soft magnetic material cutting chip recovery device, including drive assembly and separation component, separation component includes first half cylinder, the bottom of first half cylinder is equipped with second half cylinder, the inner wall of first half cylinder and second half cylinder is relatively installed with first half magnetic ring, the inner wall of first half cylinder and second half cylinder in located first half magnetic ring's side is relatively installed with second half magnetic ring, the inner wall of first half cylinder and second half cylinder in located second half magnetic ring's side is relatively installed with third half magnetic ring, the magnetism of first half magnetic ring is less than the magnetism of second half magnetic ring, the magnetism of second half magnetic ring is less than the magnetism of third half magnetic ring, the both ends of first half cylinder and second half cylinder are installed with opposite flange, one end of first half cylinder and second half cylinder is arranged feed inlet, first half cylinder and second half cylinder are arranged with suction pump in the end away from feed inlet.

This utility model discloses a double-sealed sterile sealing cap and a burlap sack, including an inner cap, an outer cap, and a sealing assembly between them. A first annular sealing ridge on the edge of the inner cap and a first annular sealing groove on the outer cap are press-fitted to form an inner cavity, and a sealing ring enhances the sealing performance. A second annular sealing ridge is provided on the edge of the outer cap, on which an annular airbag is embedded. Inflated through the air inlet, it forms a radial compression sealing structure, achieving an outer layer seal. The sealing assembly also includes a vacuum valve penetrating the outer cap, allowing vacuum evacuation of the container through the air vents in the inner cap. A locking assembly consisting of a pressing block, an elastic connecting strip, and a latch is provided on the top of the outer cap to further strengthen the seal. This sealing cap, through its double-sealing structure and the synergistic effect of vacuum sealing and airbag sealing, effectively ensures the sterility of the burlap sack, prevents contamination, and improves ease of use and stability, making it suitable for the stringent requirements of sterile packaging in the medical field.

The utility model belongs to the technical field of current transformer fixing devices, and particularly relates to a fixing device of a low-voltage metering current transformer, which comprises an upper fixing block, a lower fixing block, a fixing component and a bottom plate component. An upper fixing groove and an upper fixing hole are formed in the bottom of the upper fixing block. The lower fixing block is provided with a lower fixing groove and a lower fixing hole. The fixing assembly comprises a fixing bolt and a fixing nut. According to the fixing device of the low-voltage metering current transformer, the upper fixing block and the lower fixing block are matched, the upper fixing groove and the lower fixing groove coincide to form the fixing through hole, the current transformer can be tightly fixed, the four evenly-distributed fixing assemblies fasten the upper fixing block and the lower fixing block from multiple directions, and the fixing effect is good. The current transformer is effectively prevented from loosening and shifting due to external vibration or impact in the using process, the fixing stability is greatly improved, and the metering accuracy of the current transformer and the operation reliability of a power system are guaranteed.

The utility model discloses a blister forming equipment for tray production relates to blister forming equipment technical field, the utility model discloses a work table, one side of work table top is provided with the fixing frame, the top of fixed frame inner chamber is provided with the upper die assembly, one side of work table surface is provided with the lower die assembly, and the bottom fixed connection of work table has the support frame, and the upper die assembly includes first electric push rod, and the telescopic axle fixed connection of first electric push rod has the connecting frame. The utility model effectively solves the problem of the traditional equipment natural cooling effect is not ideal, and the plastic tray is covered after forming the surface of the mould in the traditional mode, and the heat exchange is hindered to cause the slow cooling, and the utility model passes through the double cooling mechanism, and the air after cooling is sent into the upper die plate inner chamber to the blister part cooling through the fan, and the cooling liquid in the cooling liquid runner is used for cooling the lower die plate die cavity, and the heat dissipation speed is greatly accelerated, and the cooling efficiency is improved.

The utility model provides a pair of pincers for blind clamping of a sealed bottle without visual field, the sealed bottle is placed inside a lead pot, the pincers comprise a pincers body, the pincers body comprises a first pincers arm and a second pincers arm, the middle of the first pincers arm is rotatably connected with the middle of the second pincers arm, and the first pincers arm is provided with a first handheld end and a fixed end; the interior of the fixing cylinder is hollow, the two ends of the fixing cylinder are open, the outer wall of the top end of the fixing cylinder is connected with the fixing end, the first clamp arm is perpendicular to the central axis of the fixing cylinder, and the size of the fixing cylinder is matched with the size of the interior of the lead tank; the elastic clamping piece is detachably arranged at the bottom end of the fixing cylinder, the elastic clamping piece is perpendicular to the central axis of the fixing cylinder, a radial opening is formed in the middle of the elastic clamping piece, the size of the radial opening is matched with the size of the sealing bottle, and the elastic clamping piece is connected with the sealing bottle in a clamped mode through the radial opening. The pair of pliers for blind clamping of the sealed bottle without the visual field facilitates clamping of the sealed bottle and is not prone to falling off, and the working efficiency is improved.

The invention discloses a self-repairing device for a cement pole composite insulating sheath with a structural curing agent. The self-repairing device comprises a cement pole; the FRP glass fiber reinforced ring pipe is arranged outside the cement electric pole in a sleeving manner, and the FRP glass fiber reinforced ring pipe and the cement electric pole are concentrically arranged; connecting structures are arranged at the two ends of the FRP glass fiber reinforcing ring pipe, each connecting structure comprises a connecting tooth head and a connecting tooth head which are matched with each other, the connecting tooth heads are fastened through mortise and tenon structures, and tooth openings are filled with structural adhesive to achieve seamless connection. According to the self-repairing device for the cement pole composite insulating sheath with the structural curing agent, the FRP glass fiber composite material is adopted, the weight is far lower than that of a traditional cement pole, the self-repairing device is conveniently carried by a worker to go uphill, and the construction difficulty is reduced; the old electric pole does not need to be disassembled, a sheath is directly arranged in a sleeving mode, repairing liquid is injected, hot-line work is achieved, and the influence of power failure is avoided.

This utility model discloses an easy-to-install loudspeaker, including a mounting box, a loudspeaker body, and three mounting connection components. The loudspeaker body is located inside the mounting box, and the three mounting connection components are equally spaced between the mounting box and the loudspeaker body. The loudspeaker body is mounted inside the mounting box via the three mounting connection components. Each mounting connection component includes a mounting part and a connecting part that interlock with each other. The mounting part is located on the inner rear side wall of the mounting box, and the connecting part is located on the rear side wall of the loudspeaker body. This utility model achieves automatic locking and disassembly by pressing or inserting the loudspeaker body, utilizing the sliding cooperation between the inclined block and the frustum structure, eliminating the need for tools such as screwdrivers. This significantly simplifies the installation and disassembly process, shortens operation time, and is especially suitable for mass assembly on production lines and user-managed maintenance.

The utility model belongs to the technical field of furniture, and discloses a plate and furniture. The plate comprises a plate body, an edge covering structure and a pressing strip structure. The edge covering structure is provided with a containing groove and an abutting part. The pressing strip structure is arranged in the containing groove and can abut against the plate body, and the plate body can abut against the abutting portion under the abutting action of the pressing strip structure. The plate is high in structural reliability, and manufacturing standardization can be improved.

The utility model discloses a semiconductor laser gas analyzer, which relates to the technical field of gas analyzers, and comprises an analyzer body and a transmission component, the transmission component is arranged in the analyzer body and comprises a threaded rod rotatably connected to the analyzer body, the threaded rod is in threaded connection with a connecting rod, the connecting rod is fixedly connected with a rotating column, and the rotating column is in threaded connection with the transmission component. An opening is formed in the rotating column, a first fixing rod is slidably connected to the rotating column, a fixing frame is fixedly connected to the first fixing rod, a clamping plate is fixedly connected to the rotating column, a threaded rod is fixedly connected to the clamping plate, the threaded rod is rotatably connected to the analyzer body, and the clamping plate moves outwards along with rotation. When the clamping plate is clamped on the fixing plate and pulled backwards, the components in the analyzer body are tightly fixed, the whole process is convenient to operate, and compared with a traditional complex installation mode, the installation efficiency is greatly improved.

A straightening device for ultra-large cross-section aluminum profiles with a width of 1.2 meters, belonging to the field of machining technology, is characterized by: using two ultra-large hydraulic systems in parallel as the main force for straightening; installing hydraulic pipe supports at various points along the excessively long hydraulic lines of the stretching hydraulic cylinders; connecting the stretching hydraulic rods of the two hydraulic systems together using connecting blocks; and connecting the connecting parts to the main frame to complete the straightening work of ultra-large cross-section aluminum profiles; two symmetrically distributed hydraulic clamping mechanisms are respectively set at the top and bottom of the main frame; and limit blocks are installed on both sides of the bottom track to ensure that the support slide can be tightly connected to the bottom track and can move back and forth precisely. The beneficial effects are: increasing the maximum straightening width of the aluminum profile to 1.2 meters; significantly doubling the tensile force; and ensuring that the device is tightly fixed to the aluminum profile, thus excellently completing the straightening task of ultra-large cross-section aluminum profiles.

This utility model belongs to the field of titration technology, specifically a titration device for producing aluminum hydroxide adjuvant, including a base; a rotating seat is rotatably connected to the top of the base; a placement groove is opened in the middle of the rotating seat; a titration cup is installed in the middle of the placement groove; a support rod is rotatably connected to the middle of the base; the support rod passes through the middle of the rotating seat; a fixing ring is fixedly connected to the middle of the support rod; the fixing ring is fixedly connected to the top of the support rod; an elastic clamping plate is fixedly connected to the middle of the fixing ring; a burette is installed in the middle of the elastic clamping plate; a quantitative component is provided in the middle of the burette; and a stirring component is installed in the middle of the support rod. Through the above structure, the titration cup can be quickly clamped and positioned, the clamping force or range can be adjusted, it is compatible with titration cups of various sizes, and the clamping force can be automatically adjusted according to the outer diameter of the beaker, ensuring a tight fixation even for beakers of different sizes.

The utility model discloses a kind of vehicle-mounted conference platforms of emergency rescue command vehicle, including first wallboard, second wallboard and the sliding groove that is clamped together, one side of moving plate is provided with pulley, and is moved in sliding groove by pulley drive, the other side of moving plate is hinged with conference platform, conference platform bottom is equipped with foldable iron wire supporting leg and buckle structure, buckle structure includes the buckle block of first clamping groove and second clamping groove with avoidance groove, when conference platform is horizontally unfolded, iron wire supporting leg is clamped into first clamping groove and realizes support;When conference platform is vertically stored, iron wire supporting leg is pressed into second clamping groove and realizes fixed.The utility model is through the linkage design of sliding and folding, realized the quick unfolding, stable support and compact storage of conference platform, effectively solved the contradiction between the narrow space in command vehicle and operating platform demand, integration is high, practicality is strong, improved the stability of conference platform.

The utility model relates to the field of smart home, disclose a dust collector automatic charging base, including the casing, the outer wall fixed connection of casing has two support columns, the inner wall of two support columns is all slidingly connected with the limit post, the outer wall fixed connection of limit post has the protruding piece, the side fixed connection of limit post has the ball, the outer wall of limit post is equipped with the spring, the inner wall slidingly connected with the charging interface of casing, the outer wall fixed connection of charging interface has the positioning assembly, the outer wall of charging interface is equipped with two clamping grooves, the casing positioning outer wall fixed connection has the external power supply, in the utility model, when the charging interface outer wall is guided under the guide block and slides along the casing inner wall, will extrude ball and drive limit post to move, make protruding piece compression spring store elastic potential energy, wait for charging interface to slide to predetermined position, ball and clamping groove alignment.

The utility model discloses a preservation box, and relates to the technical field of storage containers, the preservation box comprises a first box body, a second box body and a cover body, the opening of the first box body is circumferentially provided with a first convex block; the second box body can be partially contained in the first box body, a second protruding block is arranged at the opening in the circumferential direction, a contact structure is arranged on the lower surface of the second protruding block, when the second box body is contained in the first box body, the lower surface of the contact structure abuts against the first protruding block, and a first distance exists between the lowest end of the first protruding block and the lowest end of the second protruding block. A plurality of buckle assemblies are arranged in the circumferential direction of the cover body at intervals, a first clamping strip and a second clamping strip are arranged on one side of each buckle assembly, the second distance between the first clamping strip and the second clamping strip is equal to the first distance, the first clamping strip is used for clamping the first protruding block, and the second clamping strip is used for clamping the first protruding block or the second protruding block. The use flexibility and the sealing performance of the preservation box can be improved.

This utility model discloses an electromechanical installation pipeline device, relating to the field of pipeline installation technology. It includes a base plate and a moving mechanism disposed on the top of the base plate for adjusting the fixed position of the pipeline left and right. The outer walls at both ends of the base plate are provided with lifting mechanisms for adjusting the vertical position, and the top of the base plate is provided with a fixing mechanism for fixing wires or pipes. The moving mechanism includes a sliding rod. A horizontal groove is formed on the top outer wall of the base plate, and the sliding rod is installed in the horizontal groove. Sliding blocks are slidably inserted into both ends of the outer circumference of the sliding rod. The bottom of the outer circumference of the lower arc-shaped plate is fixedly connected to the top outer wall of the sliding blocks. With this utility model, when the pipeline is fixed, due to human error, the pipeline may not be in a horizontal state. When it is necessary to adjust the pipeline position, the upper and lower arc-shaped plates can be moved left and right by moving the sliding blocks, thus adjusting and moving the pipeline position, facilitating use by operators.

The utility model discloses a lens changing structure of glasses, and relates to the technical field of glasses. The spectacle lens changing structure comprises two groups of spectacle frames, spectacle lenses and strip-shaped limiting columns, a connecting nose pad is arranged between the two groups of spectacle frames, and the two groups of spectacle frames are connected through the connecting nose pad; and the two groups of spectacle lenses are respectively arranged on the two groups of spectacle frames. According to the spectacle lens changing structure, through the arrangement of the strip-shaped limiting columns and the movable limiting plates, the movable strip-shaped limiting plates can be mounted on the spectacle frame, so that the spectacle lenses can be mounted on the spectacle frame, and the mounting mode is convenient for a user to operate, reduces the spectacle lens changing time and improves the spectacle lens changing efficiency; meanwhile, after the spectacle lenses are replaced, the spectacle lenses can be tightly fixed, so that the stability of the fixed spectacle lenses is improved, and the practicability of the device is further improved.

The utility model relates to the technical field of wax injection machines, and discloses a wax injection machine facilitating installation of a wax liquid conveying pipeline, the wax injection machine comprises a machine table and a wax conveying pipeline, the wax conveying pipeline is arranged on the machine table, an inlet pipeline is arranged on the machine table, a liquid conveying pipeline is arranged on the outer surface of the wax conveying pipeline, the wax conveying pipeline is located in the liquid conveying pipeline, and a fixing block is slidably connected to the machine table; when the fixing block is inserted into the fixing groove, the fixing block is driven by the spring to move in the direction close to the fixing groove, so that the liquid conveying pipeline extrudes in the direction close to the wax conveying pipeline, the wax conveying pipeline is more tightly fixed to the inlet pipeline, and the wax conveying pipeline is more tightly fixed to the inlet pipeline; a worker can fix the liquid conveying pipeline, the wax conveying pipeline and the inlet pipeline without bolts, so that the time for the worker to mount or dismount the pipelines is saved, and convenience is provided for the worker to mount or dismount the pipelines.

This utility model relates to the technical field of cement product manufacturing equipment, and discloses a high-pressure column forming machine, including a base plate. A connecting column is rotatably connected to the left side of the base plate. Cams are fixedly connected to both ends of the connecting column. A motor is fixedly connected to the outside of the front cam, and a connecting plate is fixedly connected to the outside of the cam. A bearing plate is fixedly connected to the other end of the connecting plate. A limit component is provided on the outside of the bearing plate to limit its movement. Two adjustment components are provided on the right side of the base plate to flexibly adapt to processing requirements. This utility model effectively reduces the hidden dangers of column cracking and insufficient load-bearing capacity caused by concrete quality problems, ensures that the column forming dimensional accuracy meets requirements, and is simple and convenient to operate, reducing the labor intensity of workers and improving production efficiency.

The utility model provides a universal base for lampshades, which is universal for plastic lampshades and silica gel lampshades and comprises a lamp holder, a holder sleeve is sleeved at the bottom of the lamp holder, a circuit board and a battery electrically connected with the circuit board are arranged on the lamp holder, and an annular groove for clamping the plastic lampshades is arranged on the side wall of the lamp holder. The side wall of the lamp holder is provided with an annular protrusion located below the annular groove, a clamping groove used for clamping a silica gel lampshade is formed between the annular protrusion and the holder sleeve, and the depth of the annular groove is smaller than that of the clamping groove. The utility model has the advantages that the structure is simple, and the universal use of plastic lampshades and silica gel lampshades is realized through the upper and lower clamping grooves.

The utility model provides dust removal equipment for organic waste gas treatment, which relates to the technical field of dust removal equipment and comprises a filter box, activated carbon A is arranged in the filter box, activated carbon B is arranged in the filter box, a top cover is arranged at the top end of the filter box, and a dust removal box is arranged on the surface of the filter box. A collecting box is arranged in the dust removal box, a fixing plate is arranged in the collecting box, a fixing ring is arranged at the top end of the fixing plate, and a filter screen is arranged in the middle of the fixing ring, so that a more convenient cleaning effect is achieved, a water pump sprays out water mist through a connecting pipe and a spray head in the using process, the water mist is mixed with waste gas, and the waste gas can be purified. And after use, the threaded rod is detached through the rotating handle, then the collecting box is pulled out from the interior of the dust removal box through the handle so that dust can be conveniently cleaned, and the better cleaning effect is achieved.

The invention provides a saw blade bit laser brazing mechanism, which is suitable for laser brazing a bit on a tooth of a saw blade, comprising a bearing device for bearing the saw blade, a laser generator for generating laser, a reflector for reflecting the laser generated by the laser generator, and a pressing device for pressing the bit from the side opposite to the tooth where the bit is located, so that the brazing agent between the bit and the tooth is kept in a tight pressing state. The reflector is located beside the saw blade borne by the bearing device, and the laser generator is arranged opposite to the reflector. The laser generated by the laser generator is irradiated on the bit pressed by the pressing device in a radiative heating manner under the reflection of the reflector, so that the bit conducts heat to the brazing agent while being heated, thereby melting the brazing agent to fix the bit and the tooth together. The problem of pulling force is solved, the deformation and even cracking are effectively prevented, and the mechanism has the advantage of simple structure.

The utility model relates to the technical field of air filters, in particular to an air filter, which comprises a front pressing plate. An adjusting groove is formed inside the front pressing plate, and a positioning groove is also formed inside the front pressing plate. The positioning groove is connected to the adjusting groove through a communication groove. A screw rod is movably connected to the inner wall of the adjusting groove, and an adjusting plate is threadedly connected to the outer wall of the screw rod. Hollow grooves are formed at both ends of the adjusting plate, and linkage columns are fixedly connected to the inner walls of the hollow grooves. A locking plate is arranged inside the communication groove, and a linkage block is fixedly connected to one end of the locking plate located inside the adjusting groove. A linkage groove is formed inside the linkage block, and the linkage column penetrates through the linkage groove. A rear pressing plate is arranged at the rear end of the front pressing plate. A positioning block is fixedly connected to the outer wall of the rear pressing plate, and a locking groove is formed on the outer wall of the positioning block. One end of the locking plate extends into the locking groove, and a filter element is arranged between the front pressing plate and the rear pressing plate. For the utility model, the installation and disassembly of the filter element can be quickly completed without tools, the operation is simple, and at the same time, the stability and sealing performance of the filter element are ensured, and the filtering efficiency is improved.

The utility model relates to the technical field of packaging boxes, in particular to a plastic packaging box with a multi-layer structure, which comprises a bottom box, a stacking box mounted at the top of the bottom box, a top box mounted at the top of the stacking box, side plates mounted on two sides of the bottom box, the stacking box and the top box, sliding rails fixedly connected with one ends, close to each other, of the side plates, and sliding rails fixedly connected with the sliding rails. Sliding grooves are formed in the two sides of the bottom box, the two sides of the stacking box and the two sides of the top box correspondingly and are in sliding connection with the sliding rails, limiting assemblies used for limiting the bottom box, the stacking box and the top box from sliding relative to the side plates are installed at the front ends of the bottom box, the stacking box and the top box correspondingly, and stacking assemblies used for fixing the stacking box are installed at the rear ends of the side plates correspondingly. According to the plastic packaging box with the multi-layer structure, the stacking assembly is controlled only by shifting the push block, and then the stacking box can be assembled and disassembled; when one layer of the packaging box is opened, the rotary knob is rotated to be matched with sliding operation, so that the advantages that the number of layers can be flexibly adjusted, single-layer opening is convenient, and connection is stable and reliable are achieved.

The utility model relates to the technical field of engine bearing bushes, and discloses an automobile engine bearing bush structure which comprises two bearing caps, two fixing blocks are fixedly connected to the outer portions of the bearing caps, a rotating block is rotationally connected to the close sides of every two fixing blocks, and bolts are fixedly connected to the upper side and the lower side of each rotating block. The outer portions of the bolts are sleeved with strong springs, the upper ends and the lower ends of the strong springs are both fixedly connected with gaskets, the outer portions of the bolts are in threaded connection with nuts, the close sides of the two bearing covers are both fixedly connected with buffering assemblies used for damping, and the close sides of the two buffering assemblies are both fixedly connected with bearing bush bodies. And a plurality of rollers are movably connected to the interiors of the close sides of the two bearing bush bodies. According to the bearing bush, the bearing cover can be effectively prevented from loosening due to vibration, impact and the like, so that the stability of the bearing bush in the working process is ensured, and the service life of the bearing bush is prolonged.

The application discloses a high-strength steam turbine rotor blade and a processing method, and relates to the technical field of steam turbine rotor blades. The high-strength steam turbine rotor blade comprises a impeller, circular grooves are arranged on the two sides of the impeller, fixing structures are arranged on the two sides of the impeller, blades are arranged in the two circular grooves, the blades are provided in a plurality of groups, blade roots are welded on the sides of the blades, connecting portions are fixedly installed on the sides of the blade roots, limit grooves are arranged on the inner side walls of the circular grooves, and the limit grooves are provided in a plurality of groups. The connecting portions with special shapes and structures are arranged on the blade roots, so that the blade roots have better structural stability when being connected with the impeller or the rotating drum, the shape and the setting angle of the blades are changed, the blades are arranged in a circumferential direction, the axes of the blades and the rotor main shaft are perpendicular, the torque of the centrifugal force on the blades can be eliminated when the blades work, and the structural strength of the blades is improved.

This utility model provides a fixing support device for vertically laid cables. A triangular support frame is formed by horizontal, vertical, and diagonal braces. The vertical braces are secured with clips at both ends. A guide rail on the top surface cooperates with the guide groove of the cable fixing device, allowing for flexible installation of the cable fixing device on the support surface. The cable fixing device consists of a first clamping rod and a second clamping rod with arc-shaped clamping holes clamping each other and fastened with connecting bolts. A rubber ring inside the arc-shaped clamping hole fits into the groove of the clamping hole. Positioning protrusions between the clamping rods are inserted into positioning holes. Adjacent devices are connected by positioning pins, positioning pin holes, and locking pins, securely clamping the cable. This device has a stable and reliable structure, is easy to install and maintain, effectively prevents cable tangling, evenly distributes pressure, reduces wear, and improves heat dissipation. It is suitable for vertical cable laying in various scenarios, significantly improving cable laying efficiency and quality, and extending cable lifespan.

The utility model discloses an LED lamp strip corner connector which comprises a bottom shell, two lamp strip connecting grooves with a preset included angle and a containing groove connected between the two lamp strip connecting grooves are formed in the bottom shell; the conductive connecting assembly is assembled in the containing groove and provided with two sets of conductive elastic pieces extending into the two lamp strip connecting grooves. Wherein the lamp strip connecting groove is internally provided with a lamp strip inserting guide part extending out of the outer side wall of the containing groove, and the conductive elastic piece is connected to the lamp strip inserting guide part; the bottom shell is rotationally connected with a first cover plate capable of covering the lamp strip connecting groove in a buckled mode, and a lamp strip profiling cavity is defined by the first cover plate and the lamp strip connecting groove. According to the scheme, by improving the structure of the corner connector, the stability of mechanical connection between the corner connector and the LED lamp strip and the stability and reliability of electric connection between the corner connector and the LED lamp strip can be improved.