9results about How to "Strong field adaptability" patented technology

The invention provides a combined separation method for lead-zinc-silver ore associated with iron and manganese, belongs to the field of ore dressing, and realizes effective separation and recovery of different metals in the lead-zinc-silver ore associated with iron and manganese through processes of raw ore crushing, wet grinding, bulk flotation and magnetic separation. According to the flotation-magnetic separation combined technology, a conventional flotation reagent is adopted, the reagent cost is reduced, and meanwhile silver-containing minerals and sulfide minerals are effectively collected. According to the method, a silver-lead-zinc preferential flotation process and a subsequent separation step are omitted, and the reagent cost and the mineral separation cost are remarkably reduced. The device is high in adaptability and easy and convenient to operate, the regulation and control difficulty of a production line and the operation difficulty of workers are reduced, and the loss of silver in the separation process is avoided. By simplifying the process and improving the recovery rate, the method is beneficial to reducing environmental pollution and promoting effective utilization of resources. Aiming at the associated iron-manganese-lead-zinc-silver ore with complex components, the flotation-magnetic combined process can effectively separate various valuable metals and impurity minerals, and the ore dressing efficiency is improved.

The utility model discloses a lifting platform base which is composed of a caterpillar band chassis, a base body, a first supporting leg, a pin shaft, a positioning bolt, a second supporting leg, an adjusting screw rod, an adjusting nut, a cushion block and a buffering seat, the base body is placed above the caterpillar band chassis, and the base body and the caterpillar band chassis are fixedly connected through the bolt and the nut; one end of the first supporting leg is connected with the base main body; the pin shaft and the positioning bolt penetrate through holes in the first supporting leg and the base main body; one end of the second supporting leg is plugged into the first supporting leg; the adjusting screw rod penetrates through a hole in the other end of the second supporting leg; the adjusting nuts are distributed at the upper end and the lower end of the second supporting leg and connected with the adjusting screw rod through threads. The cushion block is placed below the adjusting screw rod; and the buffer seat is placed above the crawler chassis and is fixedly connected with the crawler chassis through bolts and nuts. The device is reasonable in structural design, convenient to produce, convenient and reliable to connect, easy to maintain, long in service life, environment-friendly and capable of being widely popularized and used.

The utility model relates to the technical field of nozzle protection, in particular to a composite slag line type submersed nozzle with a side hole protection device, which comprises a nozzle body. The nozzle body comprises a middle body material, a wear-resistant material fixed to the upper end of the middle body material, a lining material fixed to the inner side face of the middle body material, a slag line material fixed to the lower end of the interior of the middle body material, a composite slag line fixed to the inner side face of the slag line material and a side hole material fixed to the bottom of the slag line material. According to the composite slag line type submersed nozzle with the side hole protection device, the structure of the inclined side hole is improved, and the lining material is installed on the inner bottom face of the inclined side hole, so that the thermal shock stability of the side hole of a product is improved, bottom falling and cracking of the side hole of the product are avoided, and the composite slag line type submersed nozzle is more stable in use and higher in field adaptability; by adopting the detachable structural design, the lining material is convenient to mount and dismount, and the later use cost is reduced.

The utility model discloses provide a self-weight formula photoelectric switch stop device, including base, sliding assembly, connecting assembly and photoelectric switch subassembly, and the stationary part of base is opposite fixed with target equipment, and sliding assembly includes fixed installation on the slide bar base of base, and two slide bars of parallel connection on the slide bar base and two sliding blocks of respectively slidablely cover in two slide bars, and connecting assembly includes the counterweight of connecting between two sliding blocks, the pulley of rotatable connection in counterweight and connecting rope, and the one end of connecting rope is opposite fixed with slide bar and is used for and the movable part of target equipment is connected in the other end, and photoelectric switch subassembly is installed in base, and photoelectric switch subassembly is used for detecting the height position of counterweight. The application scheme of the utility model, avoided the displacement of the movable part of target equipment when target equipment was impacted, improved the stability of the height position measurement of the movable part of target equipment.

The application discloses a screening construction method for soil for slope ecological restoration, and is suitable for separation of gravel particles and mud components in moist engineering soil required by spray seeding construction. The method realizes soil and stone separation by means of water mixing, mechanical stirring, standing and settling, upper mud transfer and screen filtering of a mud separation tank, does not need special wet screening equipment, is simple in construction and strong in adaptability, can effectively reduce the risk of blockage of a spray seeding machine pipeline and a nozzle, and improves the continuity and stability of spray seeding construction.

The invention discloses a combined winch lifting equipment, including a winch, which is installed on a winch boom, and the winch boom is symmetrically installed on a slot plate, which is clamped on a bracket cross bar, and bracket uprights are welded on the bottom surfaces of both ends of the bracket cross bar, and the lower parts of the bracket uprights are fixed to the base slot plate through slot top screw fixings, and the base slot plate is clamped on a keel through a slot latch, and an annular groove is provided at both ends of a steel wire rope, and a sliding plate is slidably installed in the annular groove, and the sliding plate is symmetrically installed on the end part of a limiting plate, and a rectangular groove is provided in the middle of the limiting plate, and an anti-sway block is slidably installed through the rectangular groove, and the steel wire rope passes through the anti-sway block. The beneficial effects are as follows: the invention can well solve the problem of lifting the assembled construction panel of the curtain wall with large cantilevered eaves and suspended ceiling, the measure is small in size, and has strong on-site adaptability, and the specifications of the winch and the steel wire rope can be selected according to the lifting weight, and the structural design is reasonable and the processing and manufacturing are simple.

The invention belongs to the technical field of insect trapping, and particularly relates to a field portable insect trapping device which comprises a bottom plate, a plurality of moving wheels are fixedly mounted on the bottom wall of the bottom plate, each moving wheel is a universal wheel, and a two-way screw is rotatably mounted on the upper end face of the bottom plate through a fixing frame. And a servo motor connected with the two-way screw rod is fixedly installed on the outer wall of the fixed frame, two moving sleeves are installed on the outer wall of the two-way screw rod through limiting mechanisms in a threaded mode, first connecting frames are fixedly installed on the upper end faces of the two moving sleeves, and second connecting frames are connected to the interiors of the two first connecting frames through connecting mechanisms. The device has the advantages that the trapping efficiency is high, the range is wide, three mainstream trapping technologies of lamplight, pheromones and sticky plates are physically integrated for the first time, a specific light source and a color plate can be utilized for broad-spectrum trapping, accurate monitoring and trapping of target pests can be achieved through pheromones, and the scientific research or monitoring value of single-time arrangement is remarkably improved.

The utility model discloses a multifunctional hand drawing board for a field actual measurement section, belongs to the technical field of hand drawing boards, and solves the problems that the existing hand drawing board is unstable in field fixation and inconvenient to carry. The drawing board comprises a drawing board body and a triangular supporting leg assembly. The drawing board at least comprises two folding boards, and locking pieces are arranged on the folding boards located at the head end and the tail end. The triangular supporting leg assembly comprises three telescopic pipes, a spherical hinge is arranged at the top end of each telescopic pipe, and the three spherical hinges are connected with the back face of the drawing board through bolts. The portable drawing board is convenient to carry and more suitable for the field environment, the folded drawing board body is convenient to carry, meanwhile, the triangular supporting leg assembly is connected with the drawing board body through bolts, the drawing board body and the triangular supporting leg assembly can be detached and carried separately when not used, and carrying is more convenient and faster; the three telescopic pipes of the triangular supporting leg assembly do not need to have flat surfaces in the field and can be stabilized only through three-point fixation, and compared with an existing actual measurement section hand drawing plate, the field adaptability is higher.

The present invention discloses a crack quantification method and system for suppressing ACFM lift-off effect. It includes: obtaining magnetic field scanning signals of cracked specimens at different lift-off heights; the magnetic field scanning signals include first-direction magnetic field signals and second-direction magnetic field signals; extracting the first-direction magnetic field signals at different lift-off heights, performing two regularization processes to obtain regularized detection signals, and extracting the amplitudes corresponding to each trough; extracting the corresponding positions of the crests and troughs of the irregular second-direction magnetic field signals, and calculating the position spacing; using the corresponding amplitudes of each trough to quantify the crack depth, and using the position spacing of the crests and troughs to quantify the crack length. The present application performs multiple regularization processes on the magnetic field signal to obtain a characteristic curve that is not affected by the lift-off height, and the characteristic value is substituted into the fitting formula to obtain the crack depth. The processed characteristic value signal is not affected by the lift-off height, which reduces the experimental error.