274results about How to "Fasten the connection" patented technology

The invention discloses an environment-friendly safe low-smoke halogen-free cable, and relates to the technical field of cables, the environment-friendly safe low-smoke halogen-free cable comprises a cable assembly, the cable assembly comprises an outer sheath, the outer surface of the outer sheath is fixedly communicated with an air outlet assembly, a plurality of conductors are arranged in the outer sheath, each conductor is hollow, and the outer surface of the outer sheath is fixedly communicated with the air outlet assembly. A plurality of filling pipes are arranged among the exteriors of the plurality of conductors, and the plurality of filling pipes are hollow; according to the environment-friendly safe low-smoke halogen-free cable, when the temperature of air around the cable is low, cold air enters the hollow conductor from the air inlet, air convection is formed in the conductor, heat is taken away and then discharged from the air outlet, and when excessive heat is generated in the use process of the conductor, the heat can enter the filling pipe through the multiple drainage holes, so that the cable is protected. And heat can flow in the conductor, so that excessive local heat dissipation of the conductor can be prevented.

The invention relates to the technical field of gold leaching, in particular to a permanent magnet motor direct-driven stirring system of a gold leaching tank, which comprises a reaction shell, a driving module, a stirring module, a monitoring module and a control module, the control module obtains the specific condition in the stirring process through an image detector in the stirring process of each substance in a reaction cavity, and sends the specific condition to the monitoring module; whether the operation state of the stirring module is qualified or not is judged according to the floating sand change characterization parameter and the solute proportion characterization value, and corresponding treatment measures are adopted when it is determined that the current operation state is abnormal in time, specifically, the operation power of a permanent magnet motor is adjusted to a corresponding value according to the flow velocity difference characterization value, or the pre-tightening force of a corresponding bolt is corrected, and the operation state of the stirring module is determined to be abnormal. The operation stability of the stirring system is effectively improved, and the gold treatment efficiency is improved.

The invention relates to the technical field of cable connectors, and discloses a multifunctional quick connector for wire and cable connection, which comprises an insulating cylinder, a sliding groove is formed in the inner wall of the insulating cylinder, a limiting elastic rod is fixedly connected to the inner wall of the sliding groove, and a sliding rod is slidably connected to the inner wall of the sliding groove. The inner wall, away from the sliding groove, of the sliding rod is fixedly connected with a conductive head. Through the arrangement of the connecting mechanism, the two ends of a cable needing to be connected firstly penetrate through sleeve holes, then abut against the ends of conductive heads and push the conductive heads to move in the direction close to each other, when the conductive heads are pushed, sliding rods can be driven to slide on the inner walls of sliding grooves in the direction close to each other, and limiting elastic rods are extruded; the two conductive heads are limited when making contact with each other, extrusion plates are pulled to move towards each other when the conductive heads move, stress plates are extruded when the extrusion plates move, and fixing rods are pushed to move towards each other when the stress plates are extruded.

The invention relates to the technical field of supporting structural parts, and discloses a chemical tanker liquid cargo pump supporting structural part which comprises a cross rod, a hanging rod, a flange seat and a pump pipe, positioning sleeves are installed on the upper circumference of the inner diameter of the flange seat at equal intervals, and wedge-shaped blocks are movably installed at the bottom ends of the positioning sleeves; by rotating a worm, the worm drives a worm gear ring outside a rotating ring, a synchronous gear ring outside the rotating ring drives a plurality of groups of synchronous gears, so that a second bevel gear synchronously rotating with the synchronous gears synchronously drives a plurality of groups of corresponding first bevel gears, and a plurality of groups of screws on the inner diameter of a flange seat synchronously rotate; therefore, the positioning sleeve drives the wedge block below the positioning sleeve to abut against the outside of the pump pipe in the flange seat, the rubber sleeve on the outer side of the wedge block can elastically connect the inner wall of the flange seat and the pump pipe, and when the pump pipe expands with heat and contracts with cold through liquid, the flange seat and the pump pipe can still be firmly connected.

The utility model relates to a lockrand unit, a supporting panel comprising the lockrand unit and a roof structure, and belongs to the field of building structures. The edge locking unit comprises a first folded plate and a second folded plate which are buckled with each other, and a fixing fastener fixed on the roof structure; the supporting panel comprises a first panel, a second panel, an edge locking unit and a protruding part. The roof structure comprises a main steel unit, a purline unit, a supporting bottom plate, a sound absorption unit, a damp-proof unit, a heat preservation unit, a waterproof unit, a supporting panel, a decoration layer keel and a decoration layer which are sequentially arranged from bottom to top. The purline unit comprises a primary purline, a purline supporting plate and a secondary purline, and a lining purline and a lining purline support are arranged in the heat preservation unit. The adjacent panels are fixedly connected through the lockrand units capable of being arranged on the roof structure, the fixing strength of the supporting panels on the roof structure is improved, and then the wind uplift resistance and leakage prevention performance of the supporting panels and the roof structure are improved.

The utility model relates to the technical field of building construction, and discloses a wall surface slicking device for house building engineering, which comprises a bottom rod, a mounting frame and a slicking plate, one side of the inside of the bottom rod is fixedly sleeved with a bearing, the inside of the bearing is fixedly sleeved with a rotating shaft, one end of the rotating shaft penetrates through the bottom rod to the outside and is fixedly connected with an adjusting column, and the adjusting column is fixedly connected with the mounting frame. The upper portion and the lower portion of the interior of the adjusting column are sleeved with fixing threaded rods in a threaded mode, the bottom rod is sleeved with one ends of the two fixing threaded rods in a threaded mode, and the other end of the rotating shaft is fixedly connected with an adjusting lead screw. According to the utility model, the use length of the threaded sleeve can be adjusted according to use requirements through the arranged telescopic structure, so that the purpose of diversified use is achieved, and meanwhile, the threaded sleeve, the mounting frame and the scraping plate can be better assembled and disassembled through the arranged structure convenient to assemble and disassemble; and the purposes of convenient assembly, use, disassembly and replacement are achieved, and use is convenient.

The utility model relates to the technical field of elevator safety, in particular to an elevator emergency braking device which comprises an elevator body, the two side surfaces of the elevator body are in sliding connection with guide rails, the two side surfaces of the elevator body are fixedly connected with a brake caliper and a fixing base, the two side surfaces of the brake caliper are in sliding connection with wedge blocks, and the surfaces of the wedge blocks are fixedly connected with ceramic pieces. The bottom end of the wedge block is fixedly connected with a limiting column, the surface of the limiting column is sleeved with a rubber sleeve, a round rod is fixed to the surface of the fixing base, and a check block is inserted into the surface of the round rod and extrudes the surface of the fixing plate; the device has the beneficial effects that the connecting rod and the wedge block are arranged, the ceramic piece is prevented from being blocked, the braking effect on the guide rail is improved, the limiting column and the rubber sleeve are arranged, automatic reset of the ceramic piece and the wedge block is achieved, the working efficiency of the braking device is improved, the telescopic check block is arranged, rapid disassembly and replacement between the fixing base and the fixing plate are achieved, and the practicability is high. And the connection between the fixing plate and the fixing seat is firmer.

The invention discloses a composite tailstock of a machine tool, and relates to the technical field of tailstock of machine tools, the composite tailstock comprises a tailstock body, a screw rod is rotatably connected in the tailstock body, a sleeve in threaded connection with the screw rod is slidably connected in the tailstock body, the composite tailstock further comprises a fastening mechanism, and the fastening mechanism comprises a connecting cylinder rotatably connected in the sleeve; a center is inserted into the connecting cylinder, a limiting assembly is arranged in the sleeve and comprises an extrusion ring connected to the outer portion of the connecting cylinder in a sleeving mode, a reset spring is arranged between the extrusion ring and the inner wall of the sleeve, a clamping block is rotationally connected to the connecting cylinder, a torsional spring is arranged between the clamping block and the connecting cylinder, and the periphery of the center is clamped and fastened through the clamping block and a buffer pad. The center inserted into the connecting cylinder is prevented from inclining when being vibrated, the machining precision of a workpiece is ensured, in addition, the clamping fastening degree of the center can be adjusted through the internal pressure of the oil storage box, and the internal pressure of the oil storage box can be increased along with the acceleration of the rotating speed of the center and the workpiece.

The invention discloses an environmental pollution prevention and control bag filter with controllable filtering precision, and relates to the technical field of bag filters, the environmental pollution prevention and control bag filter comprises a shell, two groups of support legs are symmetrically mounted outside the shell, a water inlet pipe is connected to the upper part of one side of the shell in a penetrating manner, and a water outlet pipe is connected to the bottom of the shell in a penetrating manner; an end cover is arranged at the top of the shell, a sealing gasket is arranged at the connecting position of the end cover and the shell, the fixing seat is fixedly installed above one side of the shell, a supporting frame is rotationally connected to the top of the fixing seat, a threaded sleeve is fixedly installed at one end of the supporting frame, a threaded rod is in threaded connection with the interior of the threaded sleeve, and the threaded rod is in threaded connection with the threaded rod. Meanwhile, the screw rod is rotationally connected with the end cover; through the arrangement of the filter element, large-size sharp impurities in wastewater can be filtered when the wastewater is filtered, the sharp impurities are prevented from entering a filter bag, the filter bag is prevented from being scratched, the subsequent filtering operation is prevented from being influenced, and the practicability is improved.

The utility model relates to the technical field of valve installation, in particular to a supporting device for valve sealing ring welding, which comprises a supporting barrel, the supporting barrel is arranged between two sealing rings, and the supporting barrel is arranged into a wedge shape with one high side and one low side according to the distance between the two sealing rings. The lower side of the supporting round barrel is connected with a fixing structure used for fixing the supporting round barrel, and the effects that the thickness of the abrasion-resistant layer of the sealing ring is reserved to the maximum extent, and the service life of the valve is prolonged are achieved.

The invention relates to a large single-wall steel hanging box cofferdam with a tension-compression combined suspender for rapid joint plugging and a construction method. The construction method comprises the following steps of steel hanging box suspender installation, connection of a bottom plate and a wall body, steel hanging box heat preservation layer installation, steel pile casing and bottom plate joint plugging and steel hanging box accurate positioning installation. The method has the beneficial effects that a tension-compression combined suspender technology is adopted, a combined structure of the steel wire rope and the steel suspender is adopted, the steel suspender is connected and fastened with the outrigger and the bottom plate through the jacking device, the length of the steel suspender meets the design requirement through the suspender adjusting device, the operation is simple, the steel consumption is reduced, and the construction cost is reduced; a bottom plate and wall body rapid connection technology is adopted, limiting baffles and wedge-shaped blocks are arranged on the inner side and the outer side of a steel hanging box bottom plate to rapidly position a hanging box wall body, an upper top plate and a lower top plate are connected through threaded rods, mounting and dismounting are convenient, underwater operation is not needed, construction safety is improved, and wall body mounting perpendicularity is improved.

The utility model discloses a locking structure of double compensation lead roll bundle, including lead mechanism and locking mechanism, locking mechanism is fixed connection to lead mechanism top left side, locking mechanism includes locking box, locking box inner cavity back side right side is fixed connection motor, and locking box inner cavity back side right side is fixed connection motor, and locking box inner cavity back side right side is fixed connection motor, and locking box inner cavity back side right side is fixed connection motor, locking box inner cavity back side right side is fixed connection motor. The output end of the motor is fixedly connected with a first belt pulley, the back face of an inner cavity of the locking box is movably connected with a second belt pulley through a bearing, the surface of the first belt pulley is in transmission connection with a connecting belt, and the side, away from the first belt pulley, of the connecting belt is in transmission connection with the surface of the second belt pulley. The top and the bottom of the front face of the second belt wheel are movably connected with connecting rods through rotating shafts. According to the double-branch compensating lead, a traditional ribbon locking mode is changed, the locking block is adopted for locking treatment, the phenomenon of wire slipping cannot occur after long-time locking treatment, the phenomenon of scattering of the locked double-branch compensating lead cannot occur, and the locking tightness cannot be affected.

This application provides an arc-blocking device and a circuit breaker, belonging to the field of electrical equipment technology. In this arc-blocking device, one end of an elastic element is connected to the circuit breaker housing, and the other end is connected to an arc-blocking element, which is located on the movement trajectory of the circuit breaker's moving contact. When the moving and stationary contacts of the circuit breaker are in contact, the arc-blocking element is located on the side of the moving contact facing away from the stationary contact. During the separation process of the moving and stationary contacts, the moving contact pushes against the first side of the arc-blocking element, causing the arc-blocking element to drive the elastic element to bend and deform in the first direction until the moving contact slips off from the first side. Then, under the elastic force of the elastic element, the arc-blocking element moves in the second direction to between the moving and stationary contacts, thereby forcibly cutting off the arc generated when the moving and stationary contacts separate. It has good breaking capacity and can effectively improve the arc-extinguishing capability of the circuit breaker. Furthermore, the arc-blocking device provided in this embodiment has a simple structure, is easy to assemble, operates reliably, and has a certain degree of universality.

The utility model relates to the technical field of paper cutting machines, and discloses an automatic sliding table structure of a paper cutting machine, which comprises a connecting plate, a sliding block slidably connected to the outer surface of a sliding rail, a mounting block mounted at one end of the sliding block, a cutting tool mounted on the mounting block through a dismounting assembly, and the dismounting assembly comprises a first rectangular block, a mounting column, a second rectangular block and a spring. Cavities are formed in the first rectangular block, through grooves are formed in the upper surface of the first rectangular block, the two cavities and the two through grooves are fixed and symmetrically arranged, one end of each through groove extends into the corresponding cavity, a spring is installed at one end of each cavity, an installation column is installed at the other end of each spring, and one end of each installation column penetrates through the first rectangular block and extends outwards. And a second rectangular block is mounted on the outer surface of the mounting column. According to the utility model, the mounting block and the dismounting assembly are matched for use, so that the cutting tool can be limited and fixed, and the phenomenon that the cutting tool falls off when vibration occurs is avoided.

The positioning transmission shaft comprises a shaft body, and further comprises a connecting section, a main body section, a transmission section and a positioning unit which are arranged on the shaft body, the positioning unit comprises a first positioning hole, a second positioning hole and a connecting hole, the first positioning hole is formed in one side of the connecting section, and the second positioning hole is formed in the other side of the main body section. The transmission section is provided with a first positioning hole and a second positioning hole, mounting spaces are formed in the first positioning hole and the second positioning hole, the first positioning hole and the second positioning hole are connected with an assembly part, the connecting holes are symmetrically formed in the transmission section, the transmission part is positioned by the connecting holes, the transmission shaft is connected with the transmission part, and the transmission part is driven by the transmission shaft to move. And conversion and transmission of force are realized. Compared with the prior art, the transmission shaft has the advantages that the first positioning hole and the second positioning hole are arranged to achieve double positioning of an assembly part, positioning accuracy is improved, when one positioning hole is abraded, the other positioning hole can also position the assembly part, and the transmission shaft is more reliable.

The present disclosure relates to an absorbent article comprising a first tape and a second tape with frangible channels. An accessible opening may also be positioned in the first band and / or the second band, and a fastener component may be connected with the band adjacent the accessible opening. Such a frangible channel configuration provides for a feature that allows the elastic bands of the diaper pant to be relatively easily torn along the frangible channel when the diaper pant is removed from the wearer, and the fastener component may provide for a feature that assists in holding the used diaper pant in a treated configuration. The absorbent article may also include features that facilitate opening, such as opening operational indicia and opening mechanical aids, and combinations thereof. Such easy-to-open features may assist a user in successfully determining the position and / or functionality of the fastener component and the frangible channel and / or successfully completing a pant opening operation.

The present invention discloses a hydrogel surface Zeta potential testing device and a working method thereof, which belong to the technical field of functional polymer material performance testing. It includes a fixed bracket, a high-level container, a low-level container, a sample storage device, a pressure difference detection device, a digital source meter and a circulation pump; the high-level container is installed on the fixed bracket; the circulation pump is arranged in the low-level container; the high-level container and the low-level container are filled with electrolyte solution; the height of the sample storage device is between the high-level container and the low-level container; the sample to be tested is placed in the sample storage device, and the electrolyte solution circulates between the high-level container, the low-level container and the sample storage device. The present invention has a reasonable structural design, low cost, and simple operation. It can obtain relatively accurate results while saving a lot of manpower and material resources, and realizes a simple and rapid measurement method for characterizing the electrochemical properties of the surface of macroscopically large-volume hydrogels, filling the gap in this regard.

The UV resin synthesis reaction kettle comprises a warning mechanism, the warning mechanism comprises a reaction kettle, the surface of the reaction kettle is fixedly connected with a fixed frame, the surface of the inner wall of the fixed frame is slidably connected with a sliding block, the front face of the sliding block is fixedly connected with a movable rod, and the movable rod is fixedly connected with a vacuum pump. The right side of the movable rod is fixedly connected with a banner, the surface of the banner is fixedly connected with a round rod, the banner is arranged on the surface of the round rod in a sleeving mode, the top and the bottom of the front face of the round rod are movably connected with fixing cylinders through bearings, the back faces of the fixing cylinders are fixedly connected with the front face of a fixing frame, and the tops of the fixing cylinders are fixedly connected with a fixing frame; a first motor is fixedly connected to the surface of the inner wall of the fixing frame. When the reaction kettle is used, the reaction kettle can be isolated under the action of the warning mechanism and the linkage mechanism, so that the reaction kettle is prevented from being touched or operated by other personnel during operation, and the reaction kettle has the advantages of isolation and warning.

This application relates to the technical field of self-piercing riveting, and more specifically, to a self-piercing riveting device, a control method for the self-piercing riveting device, and related equipment. The self-piercing riveting device includes a first stamping part, a second stamping part, and a pressure sensor. The first stamping part pushes the tail of the rivet to apply pressure to the rivet, causing it to penetrate the multi-layered sheet metal. The pressure sensor detects the pressure applied to the rivet by the first stamping part. When a sudden change in pressure is detected, it indicates that the rivet has penetrated all the sheet metal. The second stamping part applies pressure to the tip of the rivet, causing it to deform and form a flange that abuts against the sheet metal. This ensures that the rivet completely penetrates all the sheet metal while preventing it from coming out, reducing the risk of loosening of the sheet metal during subsequent use. Furthermore, the riveting status can be detected without destructive testing, reducing testing costs and improving the efficiency of self-piercing riveting.

The utility model provides a solar cell module, a photovoltaic module and a power utilization device, and relates to the photovoltaic field. The solar cell module comprises a solar cell, a back plate and a waterproof layer. The solar cell is electrically connected with a current guide strip which is provided with a leading-out end. The back plate is positioned on the back surface of the solar cell and is provided with a lead hole corresponding to the leading-out end; the waterproof layer is provided with a filling part and a connecting part which are connected with each other, the filling part is filled in the lead hole and seals the lead hole, the leading-out end penetrates out of the lead hole through the filling part, and the connecting part surrounds the periphery of the filling part and is clamped between the solar cell and the back plate. The waterproof capability of the lead hole can be improved, and the reliability of the waterproof layer can also be improved.

The utility model discloses a dust suppression device for environmental protection, which comprises a dust suppression mechanism and an automatic adjusting mechanism, the automatic adjusting mechanism is fixedly connected to the front side of the dust suppression mechanism, the automatic adjusting mechanism comprises an automatic adjusting box, and the bottom of the back side of the inner cavity of the automatic adjusting box is fixedly connected with a motor. A first gear is fixedly connected to the output end of the motor, second gears are movably connected to the two sides of the back face of an inner cavity of the automatic adjusting box through bearings, the outer sides of the second gears are meshed with the first gear, a rotating pin is fixedly connected to the bottom of the front face of the second gear, and the surface of the rotating pin is sleeved with a transverse frame assembly. The two sides of the transverse frame assembly are in sliding connection with the inner wall of the automatic adjusting box. According to the dust falling device, the traditional mode of manually adjusting the spraying angle is changed, and the dust falling assembly is adjusted in an up-and-down inclined mode through the adjusting plate and the pin shaft, so that the accurate spraying angle cannot be easily achieved, and the unsatisfactory spraying effect cannot be caused.

The utility model discloses a copper dioxide preparation device which comprises a support, the top of the support is fixedly connected with a flat plate, the top of the flat plate is fixedly connected with a filter box, the front side of the top of the filter box is communicated with a feeding pipe, the top of the feeding pipe is provided with a cover plate, and the bottom of the front face of the filter box is fixedly connected with a connecting plate. A small motor is arranged on the right side of the top of the connecting plate, a first bevel gear is fixedly connected to the output end of the small motor, a screw is movably connected to the left side of the bottom of the connecting plate through a bearing, and a positioning plate is fixedly connected to the top of the screw through a bearing. According to the preparation device, the traditional mode that the cover plate is manually opened by workers is changed, and the cover plate is driven by the fixing plate to move upwards, so that the cover plate does not need to be manually opened by the workers, time and labor are not wasted, the working intensity of the workers is not increased, and physical fatigue and working efficiency reduction are not caused.

A natural gas odorizing device comprises a natural gas pipeline, a limiting lantern ring, a sealing sleeve, an odor adding barrel, a detachable pipeline, a side connecting lug, a rotating shaft, an arc-shaped baffle and a double-torsion spring, the natural gas pipeline is provided with a natural gas pipeline notch, the detachable pipeline is matched with the natural gas pipeline notch and inserted into the natural gas pipeline notch, and the side connecting lug is arranged on the side connecting lug. The natural gas pipeline is matched with the sealing sleeve, the natural gas pipeline is inserted into the sealing sleeve, the natural gas pipeline is matched with the limiting lantern ring, the natural gas pipeline is inserted into the limiting lantern ring, the outer side of the natural gas pipeline is connected with the limiting lantern ring, the limiting lantern ring is provided with a limiting lantern ring inner groove, and the limiting lantern ring inner groove is matched with the limiting lantern ring inner groove. The sealing sleeve is matched with the limiting lantern ring inner groove, the sealing sleeve is inserted into the limiting lantern ring inner groove, the limiting lantern rings are symmetrically arranged at the upper end and the lower end of the sealing sleeve, the side face of the sealing sleeve is provided with a sealing sleeve connecting pipe, and the sealing sleeve connecting pipe is connected with an odor adding barrel.

The utility model discloses a glass curtain wall installing and positioning device which comprises a suction cup positioning assembly and a glass curtain wall body arranged on the front face of the suction cup positioning assembly, the top of the suction cup positioning assembly is fixedly connected with a clamping mechanism, the clamping mechanism comprises a double-end air cylinder, the output end of the double-end air cylinder is fixedly connected with an extending plate, and the extending plate is fixedly connected with the suction cup positioning assembly. A lower plate is fixedly connected to the inner side of the bottom of the extension plate, the bottom of the lower plate is slidably connected with the suction cup positioning assembly, the outer side of the lower plate penetrates to the outer side of the suction cup positioning assembly and is fixedly connected with a side clamping plate, and the inner side of the side clamping plate is located on the surface of the glass curtain wall body. According to the installation positioning device, the phenomenon that the safety is poor due to the fact that limiting only depends on suction cups in the prior art is changed, the glass curtain wall body is clamped through the side clamping plates, the phenomenon that the suction cups fall off when encountering large external wind power and the like is avoided, installation safety of the glass curtain wall is effectively guaranteed, and installation quality is improved.

The utility model discloses a tray and an ink-jet printer. The tray is used for placing spherical wax pills and comprises a body, the body is provided with a plurality of convex parts, and the top end of each convex part is provided with a concave surface suitable for placing the spherical wax pills; the ink-jet printer comprises an ink-jet head, a workbench and the tray adopting the structure. The body is fixedly connected to the workbench, the surface of the tray is parallel to the workbench after being fixed, and the ink jet head is suitable for corresponding to spherical wax pills and printing marks on the surfaces of the spherical wax pills. According to the tray and the ink-jet printer, due to the fact that the spherical surfaces of the spherical wax pills are matched with the concave surfaces at the top ends of the convex parts in a curved surface mode, the wax pills are stably fixed to the concave surfaces and can be easily and accurately positioned, the convex parts can be arranged on the tray according to needs to be used for placing the wax pills in batches, and the tray is fixedly connected to the workbench. Batch jet printing of spherical wax pill surface marks can be achieved, and the effect is stable.

The invention relates to the technical field of large-tow carbon fiber production, in particular to a large-tow carbon fiber and a continuous production method of the large-tow carbon fiber, and discloses a large-tow fiber, the large-tow carbon fiber comprises large-tow precursors and carbon fibers which are alternately connected, and the large-tow precursors and the carbon fibers are in twisted winding connection. The ends, connected with the carbon fibers, of the large-tow precursors are knotted, the ends, packaged in a box, of the large-tow precursors can be connected with the ends, packaged in an adjacent box, of the large-tow precursors through the connecting method, knots are firm, and the breaking strength of the knots reaches 80000 cN or above; by using the connection method of twisted winding of the large-tow precursor end head, continuous production of large-tow carbon fibers can be realized, the roller winding frequency is reduced, the production safety is high, the stable production time is prolonged, the waste silk amount is reduced, the production cost is reduced, and the production efficiency is improved.

The utility model relates to the technical field of detachable cabinets, and discloses a storage device of a movable semiconductor storage, which comprises a top cover plate, a rear plate and side plates, the side plates comprise a right partition plate, a left partition plate, a door frame and a base, the rear plate comprises reinforcing ribs and heat dissipation holes, the door frame comprises a rotating shaft and a door plate, the base comprises a bottom groove and a bolt hole, and the bolt hole is formed in the bottom groove. The left partition plate comprises a clamping groove, the front partition plate, the rear partition plate, the left partition plate and the right partition plate are connected through the clamping grooves and clamping tenons, and the left partition plate and the right partition plate are connected with the base through bolts. The cabinet is simple in structure and convenient to disassemble and assemble, the connection modes are clamping connection and inserting connection, a specific installation tool is not needed, the cost and time during disassembly and assembly are saved, a traditional frame structure is replaced by the reinforcing ribs and the clamping grooves on the partition plates, the internal space is saved, and the space utilization rate is improved.

A background wall installation structure and installation method of the present invention relate to the field of interior decoration. The background wall installation structure includes a keel, an I-shaped clip, and a wall panel; two keels are provided, including a bottom keel arranged between the wall surface and the ground, and a top keel arranged between the wall surface and the top of the wall; a plurality of wall panels are provided, and the plurality of wall panels are sequentially clamped between the top keel and the bottom keel along the length direction of the keel; a plurality of I-shaped clips are provided, and the I-shaped clips are arranged between the wall panels, and the top and bottom of the I-shaped clips are clamped on the top keel and the bottom keel. After the top keel and the bottom keel are leveled, the present invention clamps the upper and lower sides of the wall panel to the top keel and the bottom keel. Compared with the prior art, the present invention has the advantages of fewer wall mounting components, simple installation method and structure, and high installation efficiency.

The utility model relates to the technical field of hydraulic hoists, in particular to a hydraulic hoist connecting mechanism which comprises a hydraulic rod, a driving motor is arranged at one end of the hydraulic rod, pressing rings are symmetrically arranged outside the hydraulic rod, a plurality of threaded rods are arranged on one sides of the pressing rings, a connecting sleeve is arranged at one end of the hydraulic rod, and extrusion plates are symmetrically arranged outside the connecting sleeve. A positioning column is arranged at the position, close to the center, of the extrusion plate, a containing cavity is formed in the position, close to the bottom end, of the interior of the connecting sleeve, a connecting rod is arranged in the containing cavity, first sliding open grooves are symmetrically formed in the positions, close to the top end, of the interior of the connecting sleeve, first push blocks are arranged in the first sliding open grooves, and second sliding open grooves are symmetrically formed in the positions, close to the bottom end, of the interior of the connecting sleeve; by means of the structure of the threaded rod, the pressing ring, the connecting rod, the sliding open groove, the pushing block, the sliding block, the positioning column and the extrusion plate, the problems that the connection mode of a common connecting mechanism and a hydraulic hoist is complex, connection cannot be rapidly completed, and use is inconvenient are solved.

The utility model discloses a tower hoisting lug, which relates to the field of lugs and comprises a lug plate and a steel bushing, a hoisting hole is arranged on the lug plate, the steel bushing is arranged in the hoisting hole, a thickened steel ring is welded and fixed at one end of the steel bushing, an external thread is arranged on the outer surface of the other end of the steel bushing, and a nut is in threaded connection with the external thread. According to the utility model, the detachable steel bushing is arranged in the lifting hole, so that the shackle or the steel wire rope is in contact with the steel bushing, and the contact area is obviously increased, so that the local contact stress is effectively reduced, and the safety of the lifting lug under a heavy load working condition is improved; and under the action of the nut and the thickened steel ring, the steel lining and the lug plate are connected and fastened, so that the use reliability of the lifting lug is effectively improved, the occurrence probability of safety accidents is reduced, and a powerful guarantee is provided for the safety and construction efficiency of tower hoisting operation.