59results about How to "Will not affect layout" patented technology

The invention provides a hydraulic support control device, which comprises a central processing unit, a video processing unit, a first signal processing unit and a first communication interface, wherein the video processing unit is used for acquiring an image of equipment running state of a mine fully-mechanized working face and a coal-bed excavating image in real time; the central processing unit is used for receiving image information acquired by the video processing unit and transmitting the image information to the first signal processing unit; and the first signal processing unit is used for carrying out encoding and compressing processing on the image information and transmitting the processed image information to a central monitoring system through a first communication interface. The hydraulic support control device provided by the invention integrates hydraulic support control and video monitoring functions, cannot influence pedestrian space and line layout of the working face and is convenient for realizing unmanned automation of the fully-mechanized working face, in particular to unmanned automatic mining of a thin coal seam.

The invention discloses an air magnetizing energy-saving emission-reducing device for engine inlet air. The air magnetizing energy-saving emission-reducing device comprises a magnetizer arranged in a housing, wherein the magnetizer comprises a first permanent magnet, a first magnetic conductive metal plate, a second magnetic conductive metal plate, a non-magnetic material plate, a shielding sleeve and a shielding layer; the first magnetic conductive metal plate, the second magnetic conductive metal plate and the non-magnetic material plate are sequentially in lap joint; a first cavity is formed in the middle parts of the first magnetic conductive metal plate, the second magnetic conductive metal plate and the non-magnetic material plate; a shielding layer through hole is formed in the middle of the shielding layer; one end surface of the first magnetic conductive metal plate is in lap joint with a first permanent magnet, and the other end surface of the first magnetic conductive metal plate is in lap joint with the shielding layer; and the first permanent magnet, the first magnetic conductive metal plate, the second magnetic conductive metal plate and the non-magnetic material plate are arranged in the shielding sleeve. According to the air magnetizing energy-saving emission-reducing device for the engine inlet air, after being magnetized, air molecules enter a combustion chamber, and the air molecules are quickly promoted to be tightly combined with fuel molecules, so that the fuel is sufficiently combusted to achieve better energy-saving emission-reducing effects.

The invention belongs to design methods of a volute of a centrifugal compressor, and particularly relates to an application of staggered spiral type design on volute. Spiral lines is designed as connecting lines of centers of each cross section of the volute, and the spiral lines spreads circumferentially from the volute. The volute is divided into 8-12 cross section positions circumferentially, central line of each cross section shifts 2-5mm along a shaft line with respect to the central line of the previous cross section, and a transverse volute tongue structure is formed. The transverse volute tongue is formed by means of shifting central lines of cross sections, and thus the volute is avoided from interfering with a chimney fan, an initial small cross section of the volute is protected, air is guided to flow, and efficiency is improved. The initial small cross section of the volute is protected by removing the small cross sections of 0-10 degrees, and thus flow is improved, and volute size is reduced. The volute chimney fan of the centrifugal compressor is smoothly connected with the volute which is designed in a staggered spiral method, initial shape line of the chimney fan is in accordance with air flow direction at the outlet of the volute, and impact loss is reduced.

The invention provides an aero engine medium bearing dual rotor test stand loading device, belongs to the field of machining and tools, and relates to an aero engine medium bearing dual rotor test stand loading method. According to the loading method, a loading control system formed by a pressure sensor, a hydraulic system, and a computer control program is adopted for loading; a data acquisition card is connected with a computer through network cables, wherein the computer 18 is provided with a loading system control module compiled by labview and the module is directly called during data acquisition and analysis. The loading method comprises the following steps: installing the loading system, assembling the loading control system, loading and unloading. According to the method, the loading system control program is compatible with the acquisition and analysis program; experimenters timely adjust load size according to real signals and working condition; loading control is simple, accurate, safe and stable so that aero engine medium bearing step-up and step-down loading is realized.

The invention provides a sewing machine and belongs to the technical field of machinery with an aim to solve the problem that a reverse-feed electromagnet and a presser-foot-lift electromagnet of an existing sewing machine cannot be built in simultaneously due to large space occupation. The sewing machine comprises a main case, the reverse-feed electromagnet, a swing seat, a reverse-seat pull rod, the presser-foot-lift electromagnet, a presser-foot-lift crank and a presser-foot-lift pull rod; the reverse-feed electromagnet is vertically arranged with the iron core facing downwards, the reverse-feed pull rod and a rotating shaft are vertically arranged with each other, two ends of the reverse-feed pull rod are hinged with the iron core of the reverse-feed electromagnet and the swing seat, the presser-foot-lift electromagnet is horizontally arranged with the iron core facing to the front end of the main case and is located above the reverse-feed electromagnet, the upper end of the presser-foot-lift crank is hinged to the main case while the lower end is hinged with the iron core of the presser-foot-lift electromagnet, and the presser-foot-lift pull rod is hinged to the middle portion of the presser-foot-lift crank. By the arrangement, matching compatibility with an original built-in type presser-foot-lift structure is achieved on the premise of trying not to change the structure of the built-in type presser-foot-lift structure, and the presser-foot-lift electromagnet and the reverse-feed electromagnet can be built in simultaneously through reasonable structural design.

The invention discloses a combined aircraft composed of a fixed wing and an electric multi-rotor wing. The combined aircraft comprises a group of electric multi-rotor wing power systems and a general controller; a fixed wing power system and the electric multi-rotor wing power systems are independent in structure; the general controller comprises a fixed wing control system and an electric multi-rotor wing control system for controlling the electric multi-rotor wing power systems to work; the general controller is further used for controlling the fixed wing control system and the electric multi-rotor wing control systems to work independently or work cooperatively; and a rotor wing rotary plane of the electric multi-rotor wing power system is parallel to a central axis of a machine body. The combined aircraft disclosed by the invention can freely convert between two flying modes, can vertically ascend and descend and fly as a helicopter and can also ascend and descend and fly as a fixed wing airplane; and the flying of the combined aircraft can be realized by using a mode of the mixing work of the two power systems in ascending, descending and flying processes.

The invention relates to a novel screw take-up device of a belt type conveyor. The novel screw take-up device comprises rollers (2) connected to a belt (1), wherein a lead screw (3) for driving the rollers (2) to move is arranged on the rollers (2); the lead screw (3) is arranged in a worm wheel (4) in a sleeving mode; inner threads, matched with the lead screw (3), are arranged in the worm wheel (4); the worm wheel (4) is driven by a worm (5); and a drive mechanism for driving the worm (5) to operate is arranged outside the worm (5). The novel screw take-up device has the advantages that firstly, tensioning of the belt can be realized with relatively small moment of force according to the characteristics of worm and gear that transmission ratio is large, transmission is stable and noise is small; secondly, precise tensioning of the belt is realized by being fitted with lead screw transmission and utilizing precise characteristic of the lead screw transmission; and thirdly, by adopting a worm and gear structure, a rotary nut can be arranged on the lower part of a rack, and therefore, operation bystaff is convenient, and layout of the conveyor is not affected.

The disclosure provides a front bumper supporting device, which belongs to the field of automobile manufacturing. The front protection supporting device includes a mounting plate, a connecting beam and a supporting foot; the mounting plate is used to connect with the front anti-collision beam; the first end of the connecting beam is connected to a surface of the mounting plate , and the angle formed between the connecting beam and the mounting plate has a clamping space for accommodating the front anti-collision beam; the supporting foot is connected to the second end of the connecting beam, There is an overlapping space for accommodating the grid structure at the angle formed between each of the supporting legs and the connecting beam; and the clamping space and the overlapping space are respectively located on opposite sides of the connecting beam. The present disclosure can not only improve the drooping of the grille, but also reduce the injury of the lower legs of pedestrians without affecting the layout of the vehicle through the supporting device.

The invention provides a hydraulic support control device, which comprises a central processing unit, a video processing unit, a first signal processing unit and a first communication interface, wherein the video processing unit is used for acquiring an image of equipment running state of a mine fully-mechanized working face and a coal-bed excavating image in real time; the central processing unit is used for receiving image information acquired by the video processing unit and transmitting the image information to the first signal processing unit; and the first signal processing unit is used for carrying out encoding and compressing processing on the image information and transmitting the processed image information to a central monitoring system through a first communication interface. The hydraulic support control device provided by the invention integrates hydraulic support control and video monitoring functions, cannot influence pedestrian space and line layout of the working face and is convenient for realizing unmanned automation of the fully-mechanized working face, in particular to unmanned automatic mining of a thin coal seam.

The invention belongs to the technical field of packers and provides a side discharging horizontal type packer which comprises a rack, a package output opening, a cabin door and a rear baffle. A packing cavity is formed in the rack. The front end of the packing cavity is provided with a feeding opening and a pushing disc assembly. The package output opening is formed in the side portion of the rear end of the packing cavity. The cabin door is arranged in the manner of corresponding to the package output opening. The rear baffle is arranged on the rear portion of the packing cavity and corresponds to the pushing disc assembly. The rear baffle is provided with a package output device corresponding to the package output opening. The packer is reasonable in overall structural design, by meansof side arranging of the package output opening, the structural design of the cabin door and the design of the package output device, optimization of the effective operation area of the whole machineis achieved, compared with a traditional blocking door type packer, the occupied area can be reduced by over 40%, the foundation investment of clients is reduced, optimization and adjustment of the whole operation area are more reasonable, and collaborative operation of all working procedures of a whole packing system is facilitated.

The invention belongs to a design method of a centrifugal compressor volute, in particular to an application of a dislocation spiral design on a volute. The helix is ​​used as the connection line of each section center of the volute, and is expanded along the circumference of the volute; the volute is divided into 8 to 12 section positions according to the circumferential direction, and then the centerline of each section is compared with the centerline of the previous section along the axis Offset by 2-5mm to form a structure of a transverse volute tongue; the transverse volute tongue is a method of offsetting the center line of the section of the volute to avoid interference between the volute and the air outlet, and to preserve the initial small section of the volute , to guide the flow and improve efficiency; the preservation of the initial small section of the volute is to cut off the small section from 0° to 10°, which is conducive to improving the flow and reducing the volume of the volute; the air outlet of the volute of the centrifugal compressor It is smoothly connected with the volute designed by the dislocation spiral design method, and the initial profile of the air outlet tube is consistent with the mainstream direction of the gas outlet of the volute, reducing impact loss.

The present disclosure relates to the technical field of automatic transmissions, and in particular to a gearbox oil circuit system and a gearbox. The gearbox oil circuit system includes a first oil circuit on the input shaft, a second oil circuit on the transmission shaft, an output The third oil passage, support plate and support seat opened on the shaft, the support plate is fixedly installed on the inner wall of the gearbox housing, and the support plate is provided with a The sixth oil passage of the road, the support seat includes a first support seat and a second support seat, the first support seat is arranged on the support plate, and supports the transmission shaft, and the first support seat is provided with A fourth oil passage communicating with the sixth oil passage and the second oil passage. The system can set up the sixth oil passage and the first support seat on the support plate, so that the support plate can not only support the internal parts of the gearbox, but also act as one of the oil passages in the entire oil passage system. road.