61results about How to "Prevent embedding" patented technology

The invention relates to an anti-icing-deicing composite surface and a preparation method thereof, and belongs to the field of anti-icing and deicing. The surface comprises a porous material substrate, a super-hydrophobic / hydrophobic lubricating fluid top microstructure and a hydrophobic / hydrophilic lubricating fluid internal microstructure, wherein the super-hydrophobic / hydrophobic lubricating fluid top microstructure and the hydrophobic / hydrophilic lubricating fluid internal microstructure are coupled to the surface of the porous material substrate; lubricating fluid is injected into the surface of the hydrophobic / hydrophilic lubricating fluid internal microstructure; the super-hydrophobic / hydrophobic lubricating fluid top microstructure is located on the surfaces of a plurality of columnar bodies arranged on the porous material substrate in an array mode, namely, the super-hydrophobic / hydrophobic lubricating fluid top microstructure has the super-hydrophobic characteristic to water and lubricating fluid. And the hydrophobic / lubricating fluid-loving internal microstructures are also arranged in the array form, surround the root of each cylindrical object, and have the characteristics of lubricating fluid loving and hydrophobicity. The surface can have anti-icing / ice-dredging properties of super-hydrophobic and super-smooth properties at the same time, that is, the surface can have excellent anti-icing properties of a super-hydrophobic surface, and can also be ice-dredging like a super-smooth surface after the surface is iced, so that ice is easier to remove.

The invention relates to the technical field of building construction, in particular to an assembly type prefabricated part connecting structure and a construction method.The assembly type prefabricated part connecting structure comprises a first wing plate and a second wing plate, the first wing plate and the second wing plate are installed at the two ends of a prefabricated wall correspondingly, an assembly groove is formed in the surface of the first wing plate, and an assembly plate is integrally formed on the surface of the second wing plate; when the two edge grooves provided with the first wing plates and the second wing plates are spliced, the splicing plates are inserted into the splicing grooves, mounting grooves are formed in the upper ends and the lower ends of the splicing plates, inserting handles are inserted into the two sides of the mounting grooves, and the ends, away from the mounting grooves, of the inserting handles are inserted into the surfaces of the splicing grooves. The fabricated prefabricated part connecting structure and the construction method have the beneficial effects that through splicing of the first wing plates and the second wing plates and cooperation of the splicing plates and the splicing grooves, firm connection between prefabricated wall bodies is achieved. And meanwhile, due to the pre-fixing design of the insertion handle and the positioning groove, the connection stability is further enhanced, and the problems of dislocation and looseness in the wall splicing process are effectively avoided.

The invention belongs to the technical field of machining equipment, and relates to vehicle element inner surface mechanical grinding equipment which comprises a workbench, an air suction assembly, a transmission rod, a plurality of grinding blocks, a scraping plate, a plurality of first air holes, a first connecting pipe, a piston, a gas one-way flowing assembly and a rotating assembly. And the transmission assembly is connected with the transmission rod and the piston and used for driving the piston to do horizontal reciprocating motion through rotation of the transmission rod, so that the multiple first air holes can intermittently spray air, and the inner surface of the automobile oil cylinder is impacted through air flow to generate an oscillation effect on chippings. According to the device, the piston can be driven to horizontally reciprocate in the rotating process of the scraping plate, so that a plurality of first air holes can intermittently spray air, the inner surface of the automobile oil cylinder is impacted by air flow to generate an oscillation effect on chippings, the chippings remaining on the inner surface of the automobile oil cylinder are blown up, the chippings on the inner surface of the automobile oil cylinder are cleaned more thoroughly, and the service life of the automobile oil cylinder is prolonged. And secondary damage to the inner surface of the automobile oil cylinder caused by residual chippings is reduced.

The utility model provides a guide rail and a rubber tapping machine. The guide rail is used for enabling a vehicle-mounted frame mechanism to move on the surface of a rubber tree, and comprises a guide rail body, a first guide rail, a second guide rail and a third guide rail, the guide rail body is used for surrounding the rubber tree, and the guide rail body comprises a tooth section and a tooth-free section and has a first length; the first end part is arranged on the tooth-free section; the teeth are arranged on the partial side wall, away from the rubber tree, of the tooth section and used for allowing the vehicle-mounted frame mechanism to move along the guide rail body, and the teeth have a second length; wherein the first length is gt; a second length; the first end part comprises a limiting pre-tightening piece; the limiting pre-tightening piece is used for limiting the vehicle-mounted frame mechanism; the guide rail comprises the tooth section and the tooth-free section so that the vehicle-mounted frame mechanism can move along the guide rail, the initial position of the tool rest mechanism is adjusted on the tooth-free section, and the vehicle-mounted frame mechanism is limited through the limiting pre-tightening piece. According to the guide rail, the installation difficulty of the rubber tapping machine is reduced, the installation steps are simplified, the labor cost is greatly saved, and the working efficiency is effectively improved.

The invention relates to the technical field of cables, and particularly discloses an environment-friendly polypropylene insulating flame-retardant medium-voltage cable which comprises a cable core and a protective structure layer arranged outside the cable core. The cable core is provided with three power insulation wire cores and three tensile wire cores which are twisted together, and a flame-retardant filling rope which is filled in a twisting gap of the three power insulation wire cores and the three tensile wire cores, and each tensile wire core is arranged at a twisting outer side gap of two adjacent power insulation wire cores; each power insulation wire core is composed of a conductor, and a conductor shielding layer, a polypropylene insulation layer, an insulation shielding layer, a shielding isolation layer, a metal shielding composite layer and a conductor core fireproof layer which are sequentially arranged outside the conductor from inside to outside. According to the invention, the medium-voltage cable formed based on the polypropylene insulating material effectively gives consideration to good tensile property and bending resistance, so that the convenience, flexibility and stability of the medium-voltage cable when the medium-voltage cable is used in a working condition environment are improved.

The utility model discloses a dried bamboo shoot slicing machine. According to the technical scheme, the cutting device comprises a rack, a conveying belt, a cutter and a driving mechanism, the conveying belt, the cutter and the driving mechanism are arranged on the rack, the cutter is arranged on the upper side of the conveying belt, the driving mechanism is arranged on the lower side of the conveying belt, connected with the cutter and used for driving the cutter to ascend and descend, and a pressing mechanism and a scrap separating mechanism are arranged on the rack. The pressing mechanism and the chipping separating mechanism are both arranged on the upper side of the conveying belt and located on the two sides of the cutter, the chipping separating mechanism comprises a baffle, the baffle is fixedly arranged on the rack, the baffle and the cutter are arranged in a spaced mode, and the side, facing the cutter, of the baffle is bent downwards; according to the dried bamboo shoot separating device, the separating plate can abut against the cutter all the time in the lifting process of the cutter, dried bamboo shoots rising to a certain height are pushed away from the cutter and fall onto the conveying belt again, the dried bamboo shoots are prevented from continuously rising and being embedded into gaps, and cleaning is convenient.

The present invention discloses a device for measuring side friction and side wall soil pressure and a construction method thereof, comprising: a box body, which is vertically arranged and has a groove on the outer side wall; a force transmission rod, which is hinged to the inner side wall of the groove; a tension pressure sensor, which includes two force-bearing ends arranged opposite to each other, which are respectively connected to the bottom surface of the force transmission rod and the inner bottom surface of the groove; a friction plate, which is located at the opening of the groove and connected to the free end of the force transmission rod, and the friction plate is perpendicular to the force transmission rod; two impermeable membranes, which cooperate with the friction plate to close the groove and form a sealed cavity; a pressure sensor, which is arranged on the outer side wall of the box body and the force-bearing end faces outward. By arranging the sensor inside the device, the present invention avoids the influence of the external harsh construction environment on the sensor, ensures the stability, accuracy and safety of the measuring device, can realize the real-time measurement of the side wall soil friction and side wall soil pressure, and calculates the friction coefficient of soil layers at different depths.

A wafer box capable of preventing wafer fragmentation comprises a box body and partition plates, a groove and a clamping groove plate are arranged in the box body, and the clamping groove plate is provided with a clamping groove corresponding to the groove; the upper side and the lower side of the partition plate are respectively provided with a first partition plate step used for blocking a gap of the groove and a second partition plate step used for blocking a gap of the clamping groove, and the partition plate is used for preventing the wafer from being embedded into the gap of the groove and the clamping groove to be broken. The clapboards extend inwards to form tongue supports which are used for supporting the wafers, preventing the wafers from bending and deforming, and further avoiding fragmentation of the wafers. According to the utility model, a gap between the groove and the clamping groove is blocked by the first partition plate step and the second partition plate step, so that the wafer is prevented from being embedded into the gap between the groove and the clamping groove, the safe storage state of the wafer is ensured, and the wafer is prevented from being broken; the wafer is supported by the tongue support, so that the tongue support can support the wafer more stably, bending deformation of the wafer can be prevented, and fragmentation of the wafer is avoided.

The utility model discloses a novel filtering membrane bag with a sealing structure, and relates to the field of filtering equipment. The filtering membrane bag with the novel sealing structure comprises a liquid outlet unit, a liquid inlet unit, a filtering membrane layer and a rubber coating piece, the liquid inlet unit comprises a liquid inlet screen and a liquid inlet sealing piece. According to the utility model, the first liquid inlet sealing part and the second liquid inlet sealing part are protruded and have height difference between the liquid inlet unit and the filter membrane layer, so that when the liquid inlet unit is extruded, clamped and sealed, the second liquid inlet sealing part is firstly extruded and embedded into the filter membrane layer, and the second liquid inlet sealing part is extruded and embedded into the filter membrane layer; the first liquid inlet sealing part can prevent the second liquid inlet sealing part from locally extruding the filtering membrane layer, promote transition of local stress and buffer stress of the filtering membrane layer, so that the liquid inlet screen is prevented from being embedded into the filtering membrane layer, deformation and even damage of the filtering membrane layer are avoided, the basic shape of the filtering membrane layer is maintained, and the service life of the filtering membrane layer is prolonged. Therefore, the liquid inlet capacity of the filtering membrane bag is guaranteed, and the protruding design of the filtering membrane bag is beneficial to improving the sealing performance between the liquid inlet unit and the filtering membrane layer.

The utility model provides a desk and belongs to the technical field of desks. The problems that an existing desk is high in production cost and unstable in positioning after lifting adjustment are solved. The desk comprises a desk plate, desk bottom feet and upper desk legs fixedly connected with one end of the desk plate, the desk bottom feet are connected with lower desk legs, the upper desk legs and the lower desk legs are vertically connected in a sliding mode, the upper desk legs and the lower desk legs are flat, the lower desk legs are provided with receding openings, and flat handles are hinged to the lower desk legs. An abutting part which is eccentrically arranged relative to the hinged position is arranged at the inner end of the handle, and the abutting part is transversely arranged, can penetrate through the receding opening and extends into the inner cavity of the lower table leg; and the handle is pulled to drive the abutting part to abut against the upper table leg so as to press the upper table leg on the inner side wall of the lower table leg or to drive the abutting part to release the abutting against the upper table leg so as to enable the upper table leg to slide up and down relative to the lower table leg. According to the desk, the positioning stability of the upper desk legs and the lower desk legs can be greatly improved under the condition that the upper desk legs and the lower desk legs are slightly improved.

The present disclosure relates to a scraper machine for rock wool collection, belonging to the technical field of industrial material conveying equipment, comprising a rack and a transmission mechanism arranged on the rack, the transmission mechanism comprising a driving sprocket arranged at the tail of the rack and a driven sprocket arranged at the head of the rack, the driving sprocket and the driven sprocket being provided with a transmission chain, and the middle part of the rack being provided with a bottom plate arranged horizontally with the rack, and a certain gap being maintained between the bottom plate and the transmission chain; the axial baffle arranged on the transmission chain enables the chain to only bend along the rotation of the sprocket, avoiding the central droop caused by the self-weight of the chain, and the sagging gravity is converted into the tension of the upper chain, so that the chain remains straight, thereby ensuring the constant gap between the scraper rod and the bottom plate and avoiding friction loss; the driving sprocket and the driven sprocket are arranged in a lower position, cooperating with the adjustable tensioning sleeve structure, and eliminating the energy loss caused by the friction of the traditional drag chain plate.

The application discloses a kind of dump groundwater sampling device, including fixed support, support is equipped with tunneling assembly and electric telescopic rod, electric telescopic rod movable end connects drive assembly, drive assembly is connected tunneling assembly and sampling assembly respectively;Sampling assembly contains symmetrical conical guide ring, ring bin, adjusting plate (baffle and filter plate splicing), linkage ring, gear ring, gear and first motor, tunneling assembly contains shell, screw rod and throwing window, drive assembly contains second motor, transmission shaft and compression spring.After reaching the preset sampling depth, adjusting plate realizes sampling and sealing switching, filter plate filters impurities, improves sampling efficiency, and is suitable for complex dump environment.

This utility model relates to the field of plate pressing machine technology, and in particular to a detachable cleaning structure for a plate pressing machine, comprising: a plate pressing machine body, an installation component, and a cleaning component; the plate pressing machine body is connected to a main pressing plate and a buffer plate; the installation component is connected to the plate pressing machine body; the installation component includes an installation frame, installation block a, and a support member; the two ends of the installation frame are respectively connected to the installation block a, and the installation block a is connected to both sides of the plate pressing machine body and is detachably connected; and the cleaning component is connected to the installation component and connected to the plate pressing machine body; the cleaning component includes a fixing plate, connector a, and connector b; the fixing plate and the support member are connected and detachably connected, and connector a and connector b are connected to the fixing plate. This utility model avoids dents or impurities from being embedded on the surface of the pressed plate, conveniently improves the pressing quality of the plate, reduces the number of defective products in the pressing process, reduces the pressing cost, and conveniently improves the use structure of the plate pressing machine.

The invention discloses an aeration device capable of increasing oxygen at different depths, and relates to the technical field of aeration devices.The aeration device comprises an air blower and an aeration assembly, the output end of the left side of the air blower is connected with an air conveying pipe, and the depth adjusting assembly comprises an outer pipe, a first valve, a first corrugated pipe, a second valve, a second corrugated pipe and a third valve; the top of the first corrugated pipe is connected with a telescopic column, the aeration assembly is arranged at the bottom of the interior of the cavity, and the aeration assembly comprises a four-way disc, a third corrugated pipe, an auxiliary plate, an aeration head, aeration micropores, a spring, a supporting column, a disc and a dredging needle. According to the aeration device capable of increasing oxygen at different depths, the aeration depth can be adjusted in sewage, the dredging needles retreat from the interiors of the aeration micropores when the aeration head works, and after the aeration device stops working, the dredging needles penetrate through the aeration micropores to prevent impurities in water from entering the interiors of the aeration micropores, so that the smoothness of the aeration micropores in subsequent use is guaranteed.

The present invention discloses a method and terminal for collecting virtual machine operation data. By creating a virtual interaction device corresponding to a physical interaction device on a virtual machine, and writing the real-time operation data of the virtual machine into the physical interaction device through the virtual interaction device, a host machine can directly read the target operation data of the virtual machine from the physical interaction device, thereby avoiding the monitoring process from relying on the operation log. At the same time, the virtual machine sends a collection request to the host machine through a virtual data bus, ensuring high-speed data exchange between the virtual machine and the host machine, and avoiding embedding specific codes or components in the virtual machine. In addition, the host machine and the monitoring system establish a target connection of a network socket protocol to transmit target operation data, providing a unified data interface, which is convenient for external systems to collect data while improving data transmission efficiency and reducing system development and maintenance costs.

The utility model relates to the technical field of lithium ion batteries, in particular to a rubber-coated laminated core and a button type lithium ion battery, the rubber-coated laminated core comprises a battery core body, a positive tab group and a negative tab group, the positive tab group and the negative tab group are respectively and correspondingly positioned on the end surfaces of two opposite ends of the battery core body, and the rubber-coated laminated core also comprises a positive tab strip adhesive tape and a negative tab strip adhesive tape, the positive tab strip adhesive tape is used for sticking and fixing a positive tab group, the negative tab strip adhesive tape is used for sticking and fixing a negative tab group, and the positive tab strip adhesive tape and the negative tab strip adhesive tape are L-shaped and are stuck on the same end surface and side surface of the battery cell body. According to the utility model, the encapsulation laminated core adopts an L-shaped encapsulation mode, and the positive tab adhesive tape and the negative tab adhesive tape are adhered to the same end surface and the same side surface of the battery cell body, so that the problem that a bent angle exceeding the diameter is generated in the diameter direction of the surface of the battery cell in which the tab group is encapsulated with the insulation paste is solved; and poor welding seams caused by interference of the bending angle of the insulating glue on peripheral welding of the upper and lower covers of the battery are avoided, so that the welding yield and the first pass yield of products are improved.

The invention discloses a roll system structure capable of improving the surface stress state of a metal ultra-thin strip and a rolling method, the roll system structure comprises a concave working roll and a convex working roll, the groove part of the concave working roll is wedged with the convex part of the convex working roll, and the roll diameters of non-working areas at the two ends of the concave working roll and the convex working roll are the same. The groove part of the concave working roll and the convex part of the convex working roll are subjected to surface strengthening treatment, the groove part of the concave working roll is subjected to laser texturing treatment, and the convex part of the convex working roll is flat and smooth. According to the roll system structure provided by the invention, through surface strengthening treatment, the abrasion of micron-level micro bulges and micro pits on the surface is reduced, and the embedding of nano particles is prevented, so that the service life of the concave working roll and the convex working roll is prolonged.

The present invention discloses a puncture needle, which is composed of a needle body and a needle seat. The head end of the needle body is laterally bent, the needle opening is opened on the inner side of the bend and is perpendicular to the longitudinal axis of the needle body, and the needle tip is an arc-shaped cutting surface. Based on this, the inventor has also designed a matching guide wire ejector, and the two together constitute a safe pericardial puncture device. Among them, the puncture needle with a side opening can reduce the sharpness of the tip of the puncture needle, change the direction of the outlet, and reduce the risk of the puncture needle and the guide wire piercing the heart; the guide wire ejector is used in conjunction with the puncture needle, and the guide wire can be automatically ejected from the lateral needle opening into the pericardial cavity at the moment when the needle opening completely enters the pericardium, so as to avoid inadvertent shaking of the puncture needle so that the needle tip pierces the heart and the guide wire is directly ejected toward the heart to damage the heart, thereby playing an immediate role in protecting the heart. Therefore, the present invention can be used to conveniently and quickly implement pericardial puncture, and it is safe, stable and reliable.

This invention provides a management system for WSI pathology reports based on OFD-H. It includes a presentation layer, a business layer, a data storage layer, and a standard interface for interoperability with third-party medical systems. The presentation layer includes an editor for editing OFD reports and a WSI image reader capable of coordinate backtracking of WSI images. The business layer includes: module one for automatically generating pathology image heatmaps and textual diagnostic suggestions; module two for OFD format container encapsulation; module three for three-level streaming image backtracking; and module four for adding digital signatures and watermarks. The data storage layer is used for hierarchical storage of WSI files, ROI images, and OFD documents to meet the retrieval needs of massive multimodal data. This invention can achieve "intelligent assisted generation" of reports, "two-way interoperability" between text and images, "lightweight encapsulation" of data, and "compliant traceability" of documents.

The utility model relates to the technical field of paper cup production, and discloses a paper cup hemming forming device which comprises a workbench, a bearing mechanism is arranged on the workbench and used for bearing a paper cup, a support is fixedly installed on the upper surface of the workbench, a vertically-arranged electric push rod is fixedly installed on the top of the support, and the electric push rod is fixedly installed on the lower surface of the workbench. The telescopic end of the electric push rod is fixedly connected with a pressing die, a hemming groove is formed in the lower surface of the pressing die, a pressing mechanism is arranged at the center of the lower surface of the pressing die, the pressing mechanism is used for fixing a paper cup and comprises a sleeve fixedly installed at the center of the lower surface of the pressing die, a sliding groove is formed in the sleeve, and the sliding groove is communicated with the pressing die. By arranging the pressing mechanism, the paper cup can be fixed by the pressing mechanism in the curling and demolding process of the paper cup, so that the curling stability is ensured, the separation of the paper cup and the pressing mold can be ensured, and the paper cup is prevented from being embedded into the curling groove in the pressing mold.

The utility model relates to filter technical field, and disclose a kind of filter housing filter cartridge support ring forming machine, this kind of filter housing filter cartridge support ring forming machine, including forming device, forming device includes forming machine base, the inside of forming machine base is provided with conveying device, and the right side of forming machine base top is provided with stamping device;Deburring mechanism, deburring mechanism includes U-shaped plate, and U-shaped plate is fixedly connected on the left side of forming machine base top, and the top of U-shaped plate is fixedly connected with cylinder, and the telescopic end of cylinder is fixedly connected with lifting plate, and the inside of lifting plate is provided with deburring roller, and the front and back of deburring roller Both sides are fixedly connected with connecting shaft, by setting deburring mechanism, remove workpiece burr before stamping, avoid the assembly problem caused by the uneven edge of support ring after forming, and also can be adapted to different specifications of support ring workpiece, need not to replace complete set of equipment, reduce production cost.

This invention discloses a hybrid optical cable combining hollow-core and solid-core optical fibers and its fabrication method, belonging to the field of low-carbon, high-density optical cable technology. It includes a central skeleton with multiple spirally arranged grooves along its circumference. Multiple first optical units are housed within each groove, and each first optical unit includes multiple hollow-core optical fibers and a flexible sleeve. Multiple second optical units are stranded around the outer periphery of the central skeleton, with the stranding direction opposite to the spiral arrangement direction of the grooves. Each second optical unit includes multiple solid-core optical fibers, which can be G.652D, G.654E, G.655, G.657A, etc., forming a hybrid optical cable. This invention solves the problem of accommodating hollow-core optical fibers through the cooperation of the central skeleton and the flexible sleeve. By reverse-stranding the second optical units, the possibility of the second optical units embedding into the grooves is reduced, avoiding pressure on the flexible sleeve. Furthermore, the shared use of solid and hollow optical fibers effectively improves the overall fiber core density of the optical cable.

The invention relates to the technical field of part machining, and discloses a numerical control machining device based on rail transit mechanical parts, the numerical control machining device comprises a machining table, supporting plates and a torsion bar, the supporting plates are symmetrically and fixedly connected to the upper surface of the machining table, the torsion bar is arranged at the top of the machining table, and a grinding mechanism is arranged at the top of the machining table; and a cleaning mechanism is arranged at the top of the machining table, the polishing mechanism comprises a driving motor fixedly connected to the outer wall of the supporting plate, fixing plates are symmetrically and fixedly connected to the upper surface of the machining table, and dust collecting boxes are fixedly connected to the upper surfaces of the fixing plates. Dust scraping is conducted on the torsion bar through the rubber plate, dust scraping is conducted on the grinding abrasive belt through the scraping block, the dust is prevented from being attached to the surface of the grinding abrasive belt, the dust is also prevented from being embedded into holes of the grinding abrasive belt and the torsion bar under the action of high temperature and pressure, then the uneven grinding capacity of the torsion bar is prevented, and the grinding effect of the grinding abrasive belt on the torsion bar is improved.

The bending equipment comprises an outer connecting long frame, one side of the outer connecting long frame is fixedly connected with an annular cleaning device, the annular cleaning device comprises a middle bearing ring, the inner wall of the middle bearing ring is fixedly connected with a brush, and the side, close to the brush, of the middle bearing ring is fixedly connected with an outer side ring; the inner wall of the outer side ring is rotationally connected with a spiral column through a rotating bolt, the side, close to the side circular groove, of the middle bearing ring is fixedly connected with a long side ring, the top and the bottom of the inner wall of the long side ring are both fixedly connected with inward extending springs, and the ends, away from the long side ring, of the inward extending springs are fixedly connected with fillet push plates. According to the bending equipment for metal bar profile machining, the surface of a metal bar is cleaned through a brush, the situation that too much dust is accumulated on the surface of the metal bar to affect the machining quality is prevented, the brush is combed through a spiral column, and the situation that too much dust is accumulated in the brush, and the cleaning efficiency is low is prevented.

A side channel compressor for a fuel cell system for compressing a gaseous medium has a housing with a first housing part having a bearing journal extending along an axis of rotation and having a journal root section and a journal main section, and a second housing part having a bearing journal extending along an axis of rotation. A bearing inner ring of the bearing device is arranged on the journal main section, and a compressor wheel assembly having a compressor wheel is arranged in the housing on a bearing outer ring of the bearing device in a rotatable manner about an axis of rotation and can be driven by means of a drive, the first housing part is at least indirectly tensioned with the bearing device via a fastening element, in particular in the direction of the axis of rotation, a spring element is arranged between the bearing device and the first housing part. The heating disc is arranged in the region of the journal root section, and the heating disc extends around the bearing journal in particular in a circumferential manner. The heating disc is attached to the spring element in the direction of the rotation axis.

The invention discloses metal rolling equipment for machining a bridge body of a bridge, and relates to the technical field of metal rolling equipment.The metal rolling equipment comprises an object roller conveyor, a rolling mechanism is arranged at the right side end of the object roller conveyor, and a fixed side plate is fixedly installed at the upper end of the object roller conveyor; a lubricating oil tank is fixedly mounted at the upper end of the fixed side plate, an oil dripping hole is formed in the bottom of the inner wall of the lubricating oil tank in a penetrating mode, a blocking block is slidably mounted in the oil dripping hole formed in the lubricating oil tank, and a connecting plate is fixedly mounted at the upper end of the blocking block. According to the stainless steel plate rolling device, the two brush fixing rods are arranged, so that brushes on the two brush fixing rods can sweep oxide skin, greasy dirt, dust and other impurities on a stainless steel plate while the stainless steel plate is conveyed by the stainless steel plate rolling device, the impurities are prevented from being embedded into metal or influencing the surface quality of products during rolling, and the quality of the rolled stainless steel plate is improved.

This utility model discloses a low-friction, long-life oil seal for humanoid robots, belonging to the technical field of oil seals for humanoid robots. It includes an oil seal with rubber grooves inside, evenly distributed on the outer side of the oil seal. A flexible protective lip is fixedly connected to the upper end of the inner wall of the oil seal, and the surface of the flexible protective lip is inclined. A secondary lip seat is fixedly connected to the lower end of the inner wall of the oil seal. This low-friction, long-life oil seal for humanoid robots uses a specially designed flexible sealing lip to bond it to a rubber body, forming a component with good sealing performance. Simultaneously, the sealing lip of another oil seal emphasizes a low-friction design and is firmly bonded to the rubber body through a vulcanization molding process. The two oil seals are then combined into one unit, exhibiting excellent resistance to metal impurities, effectively resisting the erosion and wear of the oil seal by metal impurities, ensuring stable operation even under complex working conditions.

The utility model relates to tunnel second lining construction technical field discloses a V type joint forming device, including triangular rubber strip and fastening screw, fastening screw can fasten triangular rubber strip on the half triangular slope of having already poured second lining, V type joint forming device includes the backing plate, the backing plate is used for the backing between the cap nut of fastening screw and triangular rubber strip, and still be equipped with the recess structure of accommodating the cap nut of fastening screw on the backing plate, be provided with in recess structure and incline portion, incline portion can be perpendicular with the axis direction of fastening screw. The V type joint forming device of the utility model can conveniently pull up fastening screw, convenient operation, effectively improve the service life of rubber strip.

The invention discloses a hot melting connecting device for plastic packaging bag production and a using method, and relates to the technical field of hot melting devices.The hot melting connecting device comprises an aluminum buckle frame, a top plate is fixedly connected to the top of the aluminum buckle frame, side plates are fixedly connected to the front side and the rear side of the aluminum buckle frame, door plates are hinged to the left side and the right side of the aluminum buckle frame, and a fixing platform is fixedly connected to the middle of the aluminum buckle frame; a feeding port is formed in the top of the top plate, a conveying device and a feeding device are arranged above the feeding port, and two fixing frames are fixedly connected to the upper surface of the fixing platform. Plastic particle residues, generated by hot melting of a packaging bag, on the surface of the hot melting block can be scraped off through the scraping plate, then the situation that the flatness and temperature uniformity of the hot melting block are affected by the residual plastic particles can be avoided, and it can be guaranteed that the hot melting block can make better contact with the packaging bag after the residual plastic particles are scraped off; the packaging bag can be connected more firmly through hot melting, the quality problem of leakage points of the packaging bag is avoided, and the qualification rate of hot melting connection of the packaging bag is increased.