14results about How to "Good homework" patented technology

The invention provides a flow adjusting device, a spraying system and an unmanned aerial vehicle, the flow adjusting device comprises a shell, the shell comprises a guide rail, and a groove is formed in the guide rail; at least part of the hose is contained in the shell, and an included angle is formed between the extending direction of the hose and the extending direction of the guide rail; at least part of the adjusting wheel is contained in the guide rail, a contact face is arranged between the adjusting wheel and the hose, the adjusting wheel can slide relative to the shell in the extending direction of the guide rail, and when the adjusting wheel slides relative to the shell, the deformation quantity of the hose is changed under the extrusion action of the adjusting wheel. When the adjusting wheel slides to the position where the groove is located, at least part of the adjusting wheel is contained in the groove. According to the flow adjusting device, the spraying system and the unmanned aerial vehicle, the structure of the flow adjusting device can be simpler.

The utility model belongs to the technical field of steel smelting, and particularly relates to a blast furnace gravitational dust removal and ash discharge device which comprises a gravitational dust removal device, a first ash discharge bin and a second ash discharge bin which are symmetrically distributed are arranged at the bottom of the gravitational dust removal device, and the gravitational dust removal device is respectively connected with the first ash discharge bin and the second ash discharge bin through a first pipeline. The top of the first ash discharge bin is connected with the dust remover through a second pipeline, the top of the second ash discharge bin is communicated with the second pipeline through a third pipeline, the second pipeline and the third pipeline are both provided with blow-off ball valves, the first ash discharge bin is connected with the suction and exhaust vehicle through a fourth pipeline, and the second ash discharge bin is communicated with the fourth pipeline through a fifth pipeline; the dust remover is communicated with the fourth pipeline through a sixth pipeline; the whole operation process is simple and convenient; dust raising is avoided in the operation process, and the environment is protected; the labor intensity of workers is reduced; the ash discharging time is saved, and the human resource cost is reduced.

The utility model discloses a lifting telescopic motor installation device used in a narrow cabinet body. The lifting telescopic motor installation device comprises a support base, a lifting sleeve, a transverse cylinder rod, an extension arm and a motor installation plate. The support comprises two base supporting legs, limiting teeth and limiting holes, and the opening angle of the base supporting legs can be limited and kept so that the base supporting legs can be fixed. Worm gear lead screw mechanisms are arranged in the lifting sleeve and the transverse barrel rod and can drive the motor mounting plate to move in the vertical direction and the horizontal direction through forward and reverse rotation of the handle, the extension arm and the motor mounting plate are connected through an adjusting bolt, and the motor mounting plate can rotate relative to the extension arm and can be folded to avoid a shielding object in the cabinet and extend to a target mounting position. Operation is easy and convenient, working efficiency is high, safety performance is high, the motor does not need to be lifted manually, and safety risks in the manual operation process are greatly reduced.

This invention discloses an oil draining device and method for a lubricating oil radiator. The oil draining device includes a fixed support, an oil storage tank, a drain pipe, and a vacuum pump. The fixed support secures the lubricating oil radiator so that the drain port faces vertically downwards. The oil storage tank collects the drained oil and has a drain pipe at the bottom. The Venturi-type drain pipe connects the radiator to the oil inlet of the oil storage tank, accelerating oil flow. The vacuum pump is connected to the oil storage tank through a negative pressure pipeline, creating a stable negative pressure environment to provide power for oil suction. This invention, by using a fixed support to ensure the drain port faces vertically downwards and utilizing gravity to assist in oil draining, and by using the Venturi-type drain pipe to accelerate oil flow, combined with the negative pressure environment created by the vacuum pump in the oil storage tank, can significantly improve the efficiency of conventional oil draining. Furthermore, even if the vacuum pump fails, the Venturi-type drain pipe can still ensure smooth oil draining, thus meeting the oil draining needs of aviation maintenance.

The utility model discloses a square cabin top adds anti -freezing liquid device, including square cabin, be equipped with the heat dissipation water tank in square cabin, the top of heat dissipation water tank is equipped with the water inlet cover, square cabin top cover upper and bottom corresponding position with water inlet cover is equipped with the water inlet seat, and the water inlet seat has the vertical passageway that penetrates up and down, and the lower extreme of vertical passageway is connected with the cabin, and the upper extreme of vertical passageway extends to square cabin outside, the top of water inlet seat is equipped with detachable water inlet cover board, and water inlet cover board is used for sealing the upper extreme of vertical passageway. The utility model has realized the anti -freezing liquid filling work of heat dissipation water tank outside square cabin power station to can set up heat dissipation water tank to the position of being very close to cabin top, fully releases the space in cabin, realizes the full use of narrow space in cabin, and further improved the rationality of cabin layout.

This application relates to the field of nozzle technology and discloses a high-uniformity electrostatic misting nozzle structure, including a nozzle body with a liquid inlet at one end and a mist outlet at the other end. The nozzle body has an internal mounting cavity for mounting an atomizing component. The atomizing component includes a pressure atomizing nozzle and a rotating atomizing disc. The pressure atomizing nozzle is installed at the liquid inlet of the nozzle body, and the rotating atomizing disc is rotatably connected to the inner wall of the nozzle body via a mounting ring, and is opposite to the liquid outlet direction of the pressure atomizing nozzle. The rotating atomizing disc is driven to rotate by a drive mechanism outside the nozzle body. In this invention, the electrostatic generating component charges the droplets, enhancing the electrostatic adsorption force between the droplets and the surface of plants or sprayed objects. Compared to traditional nozzles, the droplets adhere more firmly, reducing waste caused by drifting and slippage, improving the utilization rate of pesticides, coatings, and other materials, reducing costs, and reducing environmental pollution.

The present invention provides a positioning mechanism and a production line having the same, including a positioning member, a lifting structure and a rotating structure, wherein the shape of the positioning member matches the shape of the cylinder hole of the cylinder body; the lifting part of the lifting structure is movably arranged and drivingly connected to the rotating structure to drive the rotating structure to move to a predetermined positioning position of a predetermined height; the rotating part of the rotating structure is movably arranged and drivingly connected to the positioning member to drive the positioning member to rotate; wherein the positioning member is arranged on the rotating part in a lifting or telescopic manner; when the rotating structure drives the positioning member to move to a position in contact with the outer wall of the cylinder body, the positioning member rises or shortens; when the rotating structure drives the positioning member to move to the cylinder hole of the cylinder body, the positioning member descends or extends to extend into the cylinder hole, and drives the cylinder body to rotate to a preset position through the rotating structure and the positioning member. The technical solution of the present invention can solve the technical problem that it is inconvenient to position the cylinder hole of the cylinder body in the prior art.

The utility model provides a tunnel segment assembly, which relates to the technical field of constructional engineering auxiliary equipment, and comprises a first segment, a second segment and a positioning piece, the concave surface end part of the first segment is provided with a first positioning sleeve, and the first positioning sleeve is of a hollow structure; a second positioning sleeve is arranged at the end, close to the first pipe piece, of the concave face of the second pipe piece and is of a hollow structure. And the positioning piece extends into the second positioning sleeve or the first positioning sleeve from one side of the first positioning sleeve or the second positioning sleeve through the first positioning sleeve or the second positioning sleeve, so that the first duct piece and the second duct piece are aligned. The installation position and height of the duct piece can meet the construction requirements without finding corresponding positions manually for many times, the operation efficiency of construction is improved, and the method has the advantages of being good in operability and convenience, saving manpower, saving cost and the like.

The utility model discloses a foaming mould-changing primary-secondary trolley which comprises a primary trolley, a secondary trolley, a driving mechanism and a plurality of groups of jacking components, the jacking assemblies are arranged at the bottom of the mother trolley at intervals. A rolling body used for bearing a mold is arranged at the top of the sub-trolley, the sub-trolley is arranged above the main trolley, and the sub-trolley is installed on the main trolley in a sliding mode; the driving mechanism comprises a driving part and a speed reduction transmission assembly, the driving part is installed on the mother trolley, the two ends of the speed reduction transmission assembly are connected with the driving part and the child trolley respectively, and the driving mechanism is used for driving the child trolley to move relative to the mother trolley. The foaming mold-changing primary-secondary trolley has the advantages that the mold-changing operation is simple and convenient, the safety is good, and the cost is reduced.

The present invention provides a working arm assembly and excavation equipment. The working arm assembly includes: a working arm, which includes: a plurality of unit arms; a first hydraulic cylinder, which is connected to two adjacent unit arms among the plurality of unit arms and can adjust the swing angle between the two adjacent unit arms; a rotating device, which is connected to the working arm and can drive the working arm to rotate; a pitching device, which is connected to the rotating device and can adjust the first swing angle of the rotating device relative to the pitching device. The working arm assembly provided by the present invention adjusts the position of the rotating device through the pitching device, and after the rotating device drives the working arm to rotate to a suitable angle, the swing angle between the two adjacent unit arms is adjusted through the first hydraulic cylinder, so that the unit arms connected to the working device among the plurality of unit arms can better fit the side wall and / or bottom plate of the tunnel, and can perform tunnel repair operations under special working conditions, thereby expanding the scope of use of the product.

The utility model belongs to the technical field of water hose equipment, and relates to an adjustable rapid hose storage device which comprises a supporting platform, a vertical rod is arranged at the bottom of the supporting platform, a hand guard is arranged on one side of the vertical rod, a servo motor is arranged at the top of the vertical rod and fixed to the surface of the top of the vertical rod through bolts, and a rotating rod is arranged on one side of the servo motor. The front end of the rotating rod is provided with an open groove, and a hose penetrates through the open groove. The hose collecting and collecting device is simple in manufacturing process, reliable in performance, convenient to maintain, high in use efficiency, wide in daily application range, capable of being used for collecting and collecting hoses such as various dust collecting bags and fire hoses, capable of improving operation efficiency and good in operation effect.

The utility model relates to the field of lifting and lengthening processes of an electrode cylinder in a self-baking electrode type large titanium slag electric furnace in the metallurgical industry, in particular to a self-unloading type special lifting hook device for the self-baking electrode cylinder of the large titanium slag electric furnace. The device comprises a cross beam and two hooks arranged at the two ends of the cross beam, the two hooks are opposite in orientation and are used for being hooked in heat conduction holes in two preset rib plates on an electrode cylinder respectively, and extension lines of the two preset rib plates are collinear and pass through the axis of the electrode cylinder; the suspension part is arranged in the middle of the cross beam, and the suspension part is separated from the cross beam through an insulating part. By means of the arrangement, the electrode cylinder can be rapidly hoisted and disassembled, operation is convenient and easy, overhaul and maintenance are convenient, and a large amount of manpower and production halt time can be saved.

An auxiliary tool matched with a vertical tire mounting machine for tire press mounting comprises a positioning chuck welding part. A fixed chuck is arranged at one end of the positioning chuck welding piece, and a movable chuck corresponding to the fixed chuck is rotationally connected to the middle of the positioning chuck welding piece through a rotating shaft; a clamping nut is connected to the positioning chuck welding piece, a clamping lead screw welding piece is connected to the clamping nut in a threaded mode, the clamping lead screw welding piece is provided with an extrusion end facing the movable chuck, and the clamping lead screw welding piece is matched with the thread of the clamping nut to move and extrude the movable chuck. And the movable chuck and the fixed chuck are matched to clamp the rim of the tire. The auxiliary tool matched with the vertical tire mounting machine for press mounting of the tire plays a role in positioning and limiting during press mounting of an outer rim, can be quickly assembled and disassembled, and can improve the production efficiency in the press mounting process of the tire.

The utility model provides a stringing device for a railway, and belongs to the technical field of engineering machinery. The technical problems that a traditional stringing device is narrow in operation range, low in operation efficiency and inconvenient to operate are solved. According to the technical scheme, the stringing device for the railway comprises a sliding rail assembly, a sliding base, an arm frame assembly, a control system, a hydraulic system and an electrical system, the sliding rail assembly is arranged at the top of a working vehicle body, the sliding base is arranged on the sliding rail assembly in a sliding mode, the arm frame assembly is hinged to the sliding base, a stringing pulley block is arranged at the end of the arm frame assembly, and the hydraulic system is connected with the hydraulic system. A wire is arranged on the top of the stringing pulley block. The utility model has the beneficial effects that the cantilever crane assemblies are arranged in a staggered manner, the cantilever crane assemblies can horizontally slide on the slide rails besides the variable amplitude and telescopic actions, each action can be reliably braked and kept at any position, and the cantilever crane has the advantages of small volume, large working range, simplicity and convenience in operation, safety and high efficiency in operation, safety and reliability in driving and the like.