38results about How to "Avoid cumbersome procedures" patented technology

The invention relates to a metal scrap blowing and removing device for aluminum plate machining, and relates to the technical field of aluminum plate machining equipment.The metal scrap blowing and removing device comprises an operation table, a workbench, a support, a rotating assembly and a blowing assembly, and the workbench is fixedly arranged on the operation table and used for machining an aluminum plate; the support is fixedly arranged on the operation table and located on one side of the workbench. The rotating assembly is arranged on the support and used for driving the aluminum plate to rotate. The purging assembly comprises a lifting part, a swinging part and a purging part, and the lifting part is arranged on the support; the swinging part is arranged on the lifting part, and the lifting part is used for adjusting the height of the swinging part; the blowing part is arranged on the swinging part, the swinging part is used for driving the blowing part to swing, and the blowing part is used for cleaning the surface of the aluminum plate. The aluminum plate machining device has the effect of improving the aluminum plate machining efficiency.

The present invention provides a slow-bonding shear nail, including a sleeve and a stud weld nail, the sleeve includes a cylinder and an upper cover, the cylinder and the upper cover enclose a receiving cavity, the receiving cavity is filled with a slow-bonding adhesive, the stud weld nail includes a welding portion welded to a steel structure and a covering portion extending into the cylinder and covered by the slow-bonding adhesive, the covering portion blocks the cylinder. The present invention also provides a steel-concrete composite beam, including a steel structure, a concrete slab, a plurality of prestressed steel strands and the aforementioned plurality of slow-bonding shear nails, each of the prestressed steel strands is tensioned in the concrete slab, the steel structure supports the concrete slab, each of the slow-bonding shear nails is welded to the steel structure and cast in the concrete slab. The present invention also provides a construction method for a steel-concrete composite beam, the steps are as follows: S1, erecting a steel structure; S2, welding stud weld nails on the steel structure, and installing a slow-bonding shear nail sleeve; S3, casting a concrete slab on the steel structure; S4, tensioning the prestress in the negative bending moment zone; S5, waiting for the slow-bonding adhesive to solidify.

The invention provides a water conservancy project slope treatment drainage pipeline integrated energy-saving construction technology, and relates to the field of water conservancy projects. According to the integrated energy-saving construction technology for the water conservancy project slope treatment drainage pipeline, a slope is included, and drainage grooves are formed in the outer surface of the slope. According to the device, through the application of the positioning anchor rod, the fixing mechanism and the supporting mechanism, the drainage pipeline can be rapidly fixed under the cooperative action of the positioning anchor rod and the fixing mechanism, the supporting mechanism can be rapidly fixed through the positioning rod, and secondary fixing can be conducted when the fixing anchor rod is inserted into the side slope; therefore, bidirectional fixation of the fixing mechanism and the supporting mechanism is achieved, the overall stability of the device is improved, the supporting mechanism can distinguish and install the planting grooves, the construction efficiency is improved, the multi-layer protection capacity of the side slope is remarkably enhanced, water and soil loss and collapse are effectively prevented, and the overall safety and stability of the side slope are improved.

The invention discloses a two-stage mixed source gas quantitative analysis method based on a natural gas inclusion Raman technology, and relates to the technical field of geological exploration. According to the technical scheme, the method comprises the following steps: S1, selecting a typical vein of a gas reservoir as a two-stage natural gas inclusion sample, and carrying out Raman test on the two-stage natural gas inclusion sample; s2, calculating relative concentrations and ratios of components in the two-stage natural gas inclusion samples according to the Raman data measured in the step S1; and S3, establishing a mixed source gas quantitative analysis method on the basis of a material balance principle, and calculating the contribution of natural gas filling in different periods to the current gas reservoir. The contribution of natural gas filling in different periods to the current gas reservoir is quantitatively revealed, so that the problem of quantitative calculation of natural gas contribution in different geological historical periods is solved.

The invention discloses a polyimide hollow fiber gas separation membrane and a preparation method thereof, and the polyimide hollow fiber gas separation membrane is prepared by reasonably designing a precursor structure and accurately regulating spinning parameters. The prepared polyimide hollow fiber gas separation membrane is compact in surface, free of holes and defects and excellent in mechanical property, and has a high-flux and high-selectivity gas separation effect, especially for hydrogen. Wherein the hollow fiber spinning solution is obtained by mixing a polyimide polymer, a high-boiling-point solvent, a low-boiling-point solvent and a non-solvent, and the polyimide polymer is synthesized by carrying out condensation polymerization on a dianhydride monomer, a diamine monomer containing a benzimidazole group and other diamine monomers. The preparation method provided by the invention is simple, convenient and easy to operate, avoids tedious procedures and additional economic investment brought by subsequent processes (polydimethylsiloxane coating and crosslinking modification), and has a wide application prospect.

The invention discloses a preparation method of colloidal silicon dioxide, which comprises the following steps: adding an organic alkali solution into ultrapure water, then adding a proper amount of alkoxy silane, stirring to obtain a clear and transparent solution, and then adding a stabilizer solution to obtain hydrolysate; adding an organic alkali solution into a certain amount of hydrolysate to obtain a mother solution; heating the mother liquor to 90-100 DEG C, and preserving heat for at least 10 minutes to obtain a silicon dioxide crystal nucleus; heating the crystal nucleus until the crystal nucleus is boiled, and dropwise adding hydrolysate under the condition that the pH value of a system is 9.0-10.5 to prepare a dilute silicon dioxide solution; and removing excess water from the dilute silicon dioxide solution in a boiling state to obtain colloidal silicon dioxide. The preparation method is simple, convenient and stable in process. The obtained colloidal silicon dioxide nanoparticles are very high in purity, and the total metal impurity content is 1t; the pH value is 9.0-10.5, the particle size is 20-80 nm, the solid content is 20-40%, and the polishing agent is very suitable for being applied to an integrated circuit polishing process.

The utility model relates to low -voltage switchgear technical field especially is related to a low -voltage switchgear convenient for internal wire arrangement, including cabinet, the inside of cabinet sets up backplate, and the both edges of backplate verticality set up vertical wire arrangement groove respectively, and even set up several horizontal wire arrangement groove between two vertical wire arrangement grooves, horizontal wire arrangement groove body sets up first bottom plate, and first bottom plate slidingly connects second bottom plate, and the both sides of first bottom plate and second bottom plate body set up vertical long side board, and the both ends of long side board are connected short side board respectively, and short side board bottom slidingly connects third bottom plate in vertical wire arrangement groove, and the sliding of short side board is used for adjusting the opening width of horizontal wire arrangement groove, to adapt to the cable of different quantity and diameter, and this low -voltage switchgear wire groove capacity can adjust, can adapt to different wiring demand.

The utility model relates to a cleaning device for medicinal material production, which comprises a cleaning mechanism, the top of the cleaning mechanism is provided with a transportation mechanism, the cleaning mechanism comprises a base, the top of the base is fixedly provided with a cleaning bin, and the left side of the top of the base is fixedly provided with an aeration fan. An outlet of the aeration fan communicates with a conveying pipeline with one end penetrating and extending into the cleaning bin, an aeration head is fixed to and communicates with the top of the conveying pipeline, a bearing net basket with one end penetrating and extending into the cleaning bin is placed at the top of the cleaning bin, and handles are fixedly installed at the front end and the rear end of the top of the bearing net basket correspondingly. According to the cleaning device for medicinal material production, due to the arrangement of the cleaning mechanism and the conveying mechanism, different types of medicinal materials can be classified and cleaned at the same time, so that the tedious working procedures of mixing, cleaning and screening of the medicinal materials are avoided, meanwhile, the medicinal materials are rapidly conveyed and discharged after cleaning is completed, and the medicinal material processing efficiency is improved.

The invention relates to a back ridge and flue formwork system for preventing water seepage and smoke leakage of a flue, the back ridge comprises a mounting part arranged in a first cavity of a flue main formwork, the bottom surface of the mounting part abuts against a panel of the flue main formwork, and the upper edge of the mounting part does not exceed a side plate of the flue main formwork; each limiting part is arranged on the upper edge of the mounting part and extends towards the two sides from the mounting part, the limiting parts span the side plates of the flue main formwork and the side plates of the adjacent flue corner formworks on the two sides, and the tail ends of the limiting parts can limit the flue corner formworks. The mounting part is arranged in the first cavity of the flue main formwork, most structures of the back edges are embedded into the main formwork, the back edges are designed in a hidden mode, and the back edges are suitable for a narrower space, so that the moving space is larger, and convenience is brought to follow-up formwork disassembly; the flue corner formworks are limited, the formworks are reinforced and prevented from being staggered, and the flue corner formworks on the two sides and the flue main formwork in the middle are connected into a whole.

This invention belongs to the field of 3C workpiece grinding technology, and particularly relates to a flexible grinding device and method for tool marks. It overcomes the shortcomings of existing technologies, such as unreasonable design. This flexible grinding device includes a rotating ring disk. A flexible grinding brush bundle forming a circle is provided on the lower surface of the rotating ring disk. A follower disk parallel to the rotating ring disk is provided on the upper surface of the rotating ring disk. A deflector disk is provided inside the rotating ring disk. A deflection drive mechanism is provided on the follower disk to drive the deflector disk to swing relative to the rotating ring disk. A flexible grinding oscillating brush bundle is provided on the lower surface of the deflector disk. Several vertical arc-shaped grooves are provided on the inner wall of the rotating ring disk. Several transverse elastic elements that elastically abut against the vertical arc-shaped grooves are provided on the outer circumferential surface of the deflector disk. Advantages of this application: By using a deflector disk with varying heights and adjustable angles, it can thoroughly grind tool marks on the large flat surfaces and boss surfaces of the workpiece, as well as the outer circumferential surfaces of the bosses.

The invention relates to the technical field of pole piece welding, in particular to a composite current collector pole piece welding method of a laminated battery. The method specifically comprises the following steps: (1) coating pole piece paste on the surfaces of a plurality of composite current collectors, and reserving a tab blank area to obtain a composite current collector pole piece; (2) welding an adapter foil in a tab blank area of the composite current collector pole piece; (3) sequentially laminating the composite current collector pole pieces welded in the step (2), and after lamination is completed, welding the composite current collector pole pieces which are laminated up and down to obtain a semi-finished product of the laminated current collector pole piece; and (4) carrying out pressure fusion welding treatment on the welding part on the semi-finished product of the laminated current collector pole piece, and completing welding to obtain the laminated current collector pole piece. According to the invention, before welding, the tab blank area of the composite current collector pole piece is coated with the cleaning-free soldering flux, and under the synergistic effect of the welding process and the soldering flux, the quality of the welding part is greatly improved, and the defects such as cavities at the welding part are reduced.

The utility model discloses a movable cable trough for a translation track. The movable cable trough comprises an elevated cable trough fixedly installed at the rear end of the top layer of a drilling machine base. A middle cable trough is arranged below the elevated cable trough, one end of the middle cable trough is connected with the elevated cable trough, and the other end of the middle cable trough extends to the track cable trough; the track cable trough is installed on a drilling machine translation track on the driller side of the drilling machine and fixedly connected with the rear end of the bottom layer of the drilling machine base through a pull rod device. A rolling bar is mounted at the bottom of the track cable trough through a pin and a lug plate, and is in rolling contact with the drilling machine translation track; a cable transfer box is arranged on the track cable groove corresponding to the rear end area of the rolling bar; limiting devices are installed at the two ends of the rolling bar respectively and located on the two sides of a driller side track of the drilling machine translation track. The utility model effectively solves the problems of the traditional cable trough in the translation process of the drilling machine, improves the working efficiency and safety, and has obvious technical effect and practical application value.

The invention belongs to the technical field of organic chemistry, and relates to a preparation method of 4, 6-dihydroxypyrimidine. Specifically, the preparation method of the 4, 6-dihydroxypyrimidine disclosed by the invention comprises the following steps: 1) carbonylation reaction; 2) amination reaction; 3) cyclization reaction; and 4) post-treatment process. The 4, 6-dihydroxypyrimidine is directly synthesized by adopting a one-pot method, the purification process of formamide is avoided, the atom economy is high, the raw materials are cheap and easy to obtain, the product purity and yield are high, and the method is suitable for industrial production.

The invention relates to the technical field of high polymer material processing, and discloses an environment-friendly marbling EVA (Ethylene Vinyl Acetate) product based on multicolor injection molding, which comprises the following components in percentage by weight: 85 to 95 percent of EVA base material, 0.3 to 0.7 percent of pigment, 3 to 5 percent of fine particle filler and 1 to 3 percent of slow-release dissolved particles, the invention further discloses a manufacturing process of the environment-friendly marbling EVA product based on multicolor injection molding. The manufacturing process comprises the following steps: S1, premixing raw materials: mixing the EVA base material, the pigment, the fine particle filler and the slow-release dissolved particles in proportion; s2, preheating of the injection machine and zoning temperature control: setting a temperature control system of the injection machine, keeping a main temperature zone at 80-90 DEG C, and setting a part of high temperature zones at 90-95 DEG C; through multi-color injection molding and accurate temperature control, the uniform and natural marble texture effect in the EVA product is realized, the process is simplified, the cost is reduced, and the environmental protection property is improved; the specific particle filler and the slow-release particles are adopted, so that the fineness and layering sense of the texture are improved, and the texture transition is more natural and smoother.

The utility model relates to the technical field of suspension roller flour mill, concretely to a kind of block type lining for suspension roller flour mill, including pedestal;Lining assembly, the lining assembly includes several lining bodies, several lining bodies are movably connected in the inside of pedestal and several lining bodies are annular array distribution, the side of several lining bodies is respectively fixedly connected with connecting block one, the bottom of connecting block one is fixedly connected with clamping block, the side opposite of clamping block is respectively fixedly connected with sealing washer.The block type lining for suspension roller flour mill, when lining body appears serious wear due to long-term grinding when using the device, operator only needs to unscrew fixed bolt one, can quickly release the fastening connection of lining and pedestal, easily dismantle and replace single-piece worn lining from pedestal, this modular design not only greatly simplifies dismounting step, avoids the cumbersome procedure that traditional integrated lining needs to be dismantled as a whole.

This invention discloses a prefabricated wall panel and its manufacturing process, relating to the field of prefabricated building technology. The wall panel includes a concrete slab and a steel mesh embedded within the concrete slab. The steel mesh is composed of multiple horizontally and vertically interwoven steel wires, with both ends extending beyond the concrete slab to form exposed connection ends. During manufacturing, the steel mesh is precisely fixed in a predetermined position within a mold using a mechanical locking method. Concrete is then poured, and after curing and demolding, the wall panel with exposed steel wires at both ends is obtained. This invention facilitates on-site assembly and welding by extending the steel wires at both ends of the steel mesh beyond the panel. Simultaneously, the mechanical locking method solves the problem of easy displacement of the steel mesh during pouring, significantly improving the production efficiency and positioning accuracy of the wall panel, making it suitable for industrial mass production.

This invention discloses a method for in-situ generating a highly bonded Cr2O3 interface to improve the thermal shock resistance of coatings. The method involves a coating preparation technique, particularly in the process of preparing a coating on a Cr-containing metal substrate, where an electric field of specific intensity is applied during the high-temperature heat treatment stage. By utilizing the electric field to induce the outward diffusion of Cr ions and the inward migration of oxygen ions in the substrate, a dense Cr2O3 transition layer is in-situ induced at the interface between the coating and the metal substrate. This transition layer effectively alleviates the problem of thermal expansion coefficient mismatch between the ceramic coating and the metal substrate, releases interfacial thermal stress, and significantly enhances the bonding strength of the coating. This invention achieves control over the thickness of the transition layer by adjusting the current intensity. Experiments show that this method can significantly suppress the generation of microcracks during thermal shock cycling, thereby greatly improving the thermal shock resistance of the coating and effectively solving the problem of easy cracking and peeling of oxide coatings during high-temperature thermal cycling.

The application discloses a normal-pressure tool changing tooling reverse pressure maintaining experimental device and experimental method, and aims to solve the technical problems of long experimental period, large investment and low efficiency of the reverse pressure maintaining experiment of the existing normal-pressure tool changing tooling; the experimental device comprises an experimental cylinder which is closed at one end with an end plate and has a shoulder at the other end, a liquid injection pipe which penetrates through the end plate and is fixed opposite to the end plate, a flushing ball valve and a pressure relief ball valve which are connected in parallel and arranged at the entrance of the liquid injection pipe, and a pressure gauge which is correspondingly arranged between the entrance of the liquid injection pipe and the flushing ball valve; the experimental device has the characteristics of light weight and low cost, so that the normal-pressure tool changing tooling can be subjected to pressure maintaining experiment before leaving the factory, and one person can operate the experimental device without the aid of external mechanical lifting equipment, and the operation is simple and convenient; and the leakage observation area between the shoulder of the experimental cylinder and the flange of the tool cylinder seat is reserved by the limiting block, so that the leakage point can be quickly and directly found, and the sealing failure position is identified, thereby providing guidance for subsequent sealing maintenance.

The invention relates to the technical field of road construction, and particularly discloses an assembly type fence inner side anti-overflow base and a construction method thereof.The assembly type fence inner side anti-overflow base comprises multiple stop blocks, the bottom ends of the stop blocks are used for being buried in a concrete pavement, the stop blocks abut against one another, one side of each stop block is fixedly connected with a positioning block, and the other side of each stop block abuts against the corresponding positioning block; a positioning groove is formed in the other side of each stopping block and used for containing the positioning block on the adjacent stopping block, and a chiseling-free grout stopping belt is arranged at the bottom end of each stopping block and used for being buried in a concrete pavement. The construction process can be simplified, and the construction period can be shortened; the stop blocks are arranged in a separated mode, so that follow-up dismantling is facilitated, the stop blocks can be repeatedly used after being dismantled, the utilization rate of materials is increased, and cost is reduced; and the supporting mechanism is used for supporting the pre-embedded block, so that the anti-overflow base can still have a good water retaining effect when being installed on an uneven road surface, and the applicability is higher.

The invention discloses a pile foundation construction platform and hanging box bottom plate integrated structure and a construction method, and belongs to the technical field of pile foundation construction.The construction method specifically comprises the following steps that S1, a construction platform is erected, a plurality of temporary supporting piles are driven into a preset installation position, and an integrated platform bottom plate structure is erected on the tops of the temporary supporting piles; s2, pile foundation construction is conducted, specifically, pile forming construction of all engineering piles is conducted on the integrated platform bottom plate structure; s3, side plates are erected, specifically, the side plates are erected on the top of the integrated platform bottom plate structure; s4, the platform is lowered, the formed hanging box is hoisted, connection between the temporary supporting piles and the integrated platform bottom plate structure is removed, then the temporary supporting piles are removed, and the formed hanging box is hoisted and lowered to the designated position of the engineering pile; and S5, bearing platform construction is conducted, sealing treatment is conducted on gaps of the hanging box, then water pumping is conducted on the hanging box, and pouring of the bearing platform is achieved in a layered mode. The method has the effects that the construction period of bearing platform forming is shortened, and the construction efficiency is improved.

The present invention provides an experimental device and method for grouting and filling of fissures with magnetic slurry, which comprises a steel truss, on which a fissure seepage visualization device and a camera to be tested are mounted, and the fissure seepage visualization device is connected to the bottom slurry outlet of a multifunctional pressure grouting pot through a grouting pipe, and the top of the multifunctional pressure grouting pot is connected to a pressure pipe, and the pressure pipe is connected to an air pump. The flow trajectory and filling area law of magnetic slurry under different grouting pressures are established, and a radial diffusion model of fissure slurry grouting is established; slurry ratio parameters are provided for different forms of fissure grouting repair projects, so as to achieve better filling inside the cracks, ensure the repair quality and reduce the cost at the same time.

The application discloses a magnesium alloy wheel manufacturing combined die, which comprises a casting die and a forging die. The casting die comprises a first upper die plate, a first upper punch, a first lower die plate, a first lower punch and a first side punch. The first lower punch is provided with a first boss and a second boss on the top. The first side punch is installed on the first lower punch to form a die cavity. The forging die comprises a second upper die plate, a second upper punch, a second lower die plate, a second lower punch and a second side punch. The bottom of the second upper punch is provided with a third boss and a fourth boss. The diameter of the third boss is smaller than that of the first boss, and the diameter of the fourth boss is smaller than that of the second boss. The top of the second lower punch is provided with a first groove and a second groove. The second side punch is installed on the second lower die plate to form a die cavity. The magnesium alloy wheel is manufactured by using the two sets of combined dies in sequence, so that the problem that the spokes of the magnesium alloy wheel cannot be directly formed is solved, and the mechanical properties of the spokes are improved.

The present application belongs to the technical field of hoisting tooling, and specifically discloses a hoisting device for a prefabricated concrete bridge deck, which comprises a hoisting frame body, the hoisting frame body comprises a cross beam and a longitudinal beam, the cross beam and the longitudinal beam are fixedly connected in perpendicular intersection, the cross beam is provided with at least two groups, the top end of the cross beam is connected with an end beam lifting point, and the bottom end of the cross beam is connected with a bridge deck lifting point; at least one demolding jacking unit is arranged on the cross beam, the demolding jacking unit comprises a base, a jacking execution assembly and a driving assembly, the base is fixedly connected with the cross beam, the jacking execution assembly has a force applying end and a force transmitting end; the driving assembly is used for driving the jacking execution assembly to act, so that the force applying end of the jacking execution assembly acts on an external fixed reference surface, and then the jacking execution assembly applies a jacking force with an upward movement trend to the hoisting frame body through the force transmitting end. The present application can solve the problem that the prefabricated concrete bridge deck after initial setting may be slightly adhered to a mold table, and direct hoisting may easily cause the edge of the bridge deck to crack or the surface to be damaged.

The present invention relates to the technical field of polishing, and discloses an electrochemical polishing device and a polishing method for a vascular stent. The polishing device comprises a lifting assembly, an anode assembly, an adjustment assembly and a cathode assembly, wherein the lifting assembly comprises a lifting frame and a first driving mechanism; the anode assembly comprises an anode, an elastic member, a vibration source and a metal wire connected in sequence, the metal wire is used to install the vascular stent, and the metal wire has a contracted state that can be movably connected to the vascular stent and an open state that can be fixedly connected to the vascular stent; the adjustment assembly comprises a first support frame and a second driving mechanism, the first support frame is connected to the metal wire, and the first support frame has a vertical position that can make the metal wire in a contracted state and a horizontal position that can make the metal wire in an open state; the cathode assembly is arranged below the anode assembly, and the cathode assembly comprises a polishing cylinder containing a polishing liquid and a cathode arranged in the polishing cylinder. The present invention has a simple and compact structure, is easy to operate, and has uniform polishing, good effect and high efficiency.

This invention belongs to the technical field of building pile foundation construction equipment, and in particular, it is an integrated device for cleaning and removing slag in building pile foundation construction. It includes a base, with a fixed column connected to the upper surface of the base. A groove is formed on the left side of the fixed column. A servo motor is mounted on the top of the fixed column via a mounting bracket. A threaded rod is connected to the inner wall of the groove via a bearing. The top of the threaded rod is connected to the output end of the servo motor. This invention can detect the thickness of slag at the bottom of the hole in real time using a radar level gauge on the bottom of the lifting cylinder, and a camera can observe the bottom and wall of the hole in real time. The monitoring data is displayed in real time on the screen of the PLC control box. Workers can accurately grasp the cleaning effect without relying on experience or post-construction inspection. The PLC control box can automatically control the start and stop of the equipment according to a preset slag threshold, effectively avoiding the need for secondary operations due to insufficient cleaning or the waste of resources and delays caused by excessive cleaning, thus improving the controllability of construction quality.

The utility model relates to a shield well post-pouring plate hanging formwork device which comprises double-spliced 56b I-shaped steel, split bolts, square timbers and a formwork, the laying direction of the double-spliced 56b I-shaped steel is perpendicular to the long edge of a reserved hole of a shield well, two first square timbers are arranged at the bottom of each end in a cushioned mode, the upper double-spliced 56b I-shaped steel and the lower double-spliced 56b I-shaped steel are fixedly connected together through the split bolts, and the formwork is fixedly connected with the double-spliced 56b I-shaped steel through the split bolts. The center distance of the double-spliced 56b I-shaped steel in the long edge direction of the shield well reserved hole is 3 m, the length of the split bolt is 3 m, the distance of the double-spliced 56b I-shaped steel in the short edge direction of the shield well reserved hole is 2 m, the second square timber is laid on the lower double-spliced 56b I-shaped steel fixed through the split bolt, the laying direction of the second square timber is perpendicular to the double-spliced 56b I-shaped steel, and the formwork is laid on the second square timber. A traditional all-round scaffold is replaced by the hanging formwork system composed of the I-shaped steel and the finish rolling deformed steel bars, the tedious working procedures of erecting and dismantling the scaffold are avoided, and a large amount of time is saved.

The invention discloses an automatic flexible anchor drill supporting system based on a multi-inclined-shaft spiral conveying technology, and relates to the technical field of mine tunneling. The anchor drill supporting device comprises an inclined shaft conveying assembly used for controlling the steel strand to move, an inclined shaft drilling assembly connected with the inclined shaft conveying assembly, a frame mechanism connected with the inclined shaft drilling assembly and a frame driving assembly connected with the frame mechanism. The inclined shaft conveying assembly comprises four sets of inclined shaft wheels, an inclined wheel cage, an inclined wheel synchronous wheel, a second servo motor, a driving wheel, a synchronous belt and a supporting frame, and the top of the back face of the supporting frame is fixedly connected with the second servo motor. According to the complex process that the drill rod is withdrawn section by section after drilling is completed, the inclined shaft drilling assembly is used for being matched with the inclined shaft conveying assembly, and the steel strand and the sleeve drill bit are used for replacing a traditional drill rod.

The utility model provides a device for installing water level monitoring equipment, which comprises a support frame and a connecting frame extending along the radial direction of the support frame, and the connecting frame is configured to allow relative fixation with the water level monitoring equipment. Wherein the supporting frame comprises a mounting block and an adjusting rod, the mounting block and a mounting surface are relatively fixed together, the adjusting rod is arranged on the mounting block and is perpendicular to the mounting block, the connecting frame comprises an adjusting part, and the adjusting part is arranged on the adjusting rod in a sleeving mode and is allowed to move along a path constructed by the adjusting rod; and the distance of the water level monitoring equipment relative to the mounting block is adjusted. By means of the mode, when the water level monitoring equipment needs to be maintained, the adjusting part can move to the proper position along the adjusting rod, then the connecting frame and the water level monitoring equipment arranged on the connecting frame move to the proper position, and therefore maintenance of the water level monitoring equipment is achieved. Therefore, tedious working procedures during maintenance of the water level monitoring equipment are avoided.

The invention provides a method and system for automatically adjusting a license plate recognition angle, a medium, a product and a terminal, and the method comprises the steps: judging whether to call a pre-constructed license plate recognition angle model or not according to the license plate angle data of a to-be-recognized vehicle and the light angle data, and carrying out the angle adjustment of an image collection device according to a judgment result. Through establishing a model among the license plate angle, the light ray angle and the optimal identification angle of the image acquisition equipment, and based on the license plate angle and the light ray angle detected in real time, the shooting angle of the image acquisition equipment can be automatically adjusted. The dynamic adjustment of the shooting angle of the image acquisition equipment is realized, and clear license plate images can be captured under various illumination conditions, so that complex environments such as different illumination conditions and different license plate angles can be dealt with, the adaptability of the vehicle identification system to different environments is improved, and the vehicle identification efficiency is improved. The reliability, stability and accuracy of license plate recognition are improved.

The application discloses a connecting device for improving resin anchor rod installation pre-tightening force and a construction method, which comprises an outer cylinder and an inner cylinder, the outer cylinder and the inner cylinder are on the same center axis, a piston is arranged between the hydraulic oil in the cavity of the inner cylinder and a limiting disc, the overflow valve, the back liquid valve mounted on the outer wall of the inner cylinder and the liquid injection and discharge valve on the wall of the outer cylinder are combined to realize resin anchor rod stirring and installation integrated operation. In the device, the hydraulic oil forms internal circulation to avoid loss, the oil pressure threshold of the device is adjustable, the device can match anchor rod drills with different thrust and torque and resin anchor rods with different specifications, has wide application range, is convenient to operate and has wide application prospect.