10results about How to "High damage rate" patented technology

The present application relates to the technical field of coal mine underground transportation equipment, and particularly relates to a fully mechanized coal mining face crossheading single rail train system and advancing method, wherein the fully mechanized coal mining face crossheading single rail train system comprises a trailer, a train set and a pipe cable telescopic device connected in sequence, the tail of the pipe cable telescopic device is connected with a reversed loader, a track is laid under the train set, the train set travels along the track, the trailer is connected with the track through a cross connector and drags the track to advance; the advancing method comprises the steps of pulling and moving the track, pulling and moving the train set, advancing the working face and cyclically advancing. The present application realizes the rapid and continuous movement of the train through the long-distance alternate movement of the track and the train, without the need of frequently disassembling and laying tracks and the need of winch steel wire rope traction, can effectively reduce the labor intensity and operation time of workers and improve the safety of train operation.

The present invention belongs to the technical field of stone mining tools, and specifically relates to a rock drilling mechanism, comprising a bottom slide, a propulsion device for driving the bottom slide to move is arranged below the bottom slide, the upper end of the bottom slide is rotatably connected to a drilling rod, the upper end of the bottom slide is equipped with a rotating mechanism for driving the drilling rod to rotate, the front end of the outer end of the drilling rod is sleeved with a synchronous supporting mechanism, and the outer side of the synchronous supporting mechanism is sleeved with a fixed base; the drilling rod comprises a rod body, the outer side of the main body of the rod body is provided with a counterclockwise spiral chip removal groove, the front side of the drilling rod is detachably connected to a drilling drill bit, and the outer side of the main body of the drilling drill bit is provided with a clockwise spiral chip removal groove; the device supports the drilling rod at both ends of the drilling rod with the bottom slide and the synchronous supporting mechanism, which can greatly reduce the length of the suspended end of the drilling rod, thereby improving the stability and service life of the drilling rod.

This utility model discloses a lifting device for PT connecting sleeves, relating to the field of installation equipment technology. The lifting device for PT connecting sleeves includes a base and a hanger located in the middle of the top surface of the base. It also includes a slider slidably connected to the top left side of the hanger, with a fixing mechanism fixedly connected to the bottom of the slider. Through the fixing mechanism, when the device is to be used, the external PT connecting sleeve is first passed through a suspension rope, and then secured using the rope loops and fixing buckles inside the suspension rope. Next, the lifting hydraulic rod is raised, allowing the sleeve to rise with the fixing plate for further transportation. This facilitates the securing and lifting of the connecting sleeve during transportation, preventing tilting and detachment during transport due to inadequate or insufficient securing, which reduces transportation efficiency and increases the damage rate of the connecting sleeve.

The invention relates to a photovoltaic module and bus bar blocking type laser degumming device and process. The device comprises a rack, a degumming transmission unit and a laser degumming unit. On one hand, the photovoltaic module is conveyed to a designated position based on guide and correction formed by the correction assembly in the X-axis direction in cooperation with conveying of the annular conveying belt, and on the basis of clamping formed by the jaws, the splicing part relatively obstructs the welding section and the photovoltaic module; laser glue removal is carried out under the condition that laser forms intersection and overlap to cover the welding sections of the two bus bars and form light beam shielding on the splicing part; and on the other hand, on the basis of continuous blowing of the air flow to the welding section, the occurrence rate of open fire or safety accidents caused by flying of a falling adhesive layer is avoided, and meanwhile, the adhesive removing time of a single group of bus bars is short, namely, the requirements of existing assembly line type operation are met.

The utility model relates to the technical field of sewage filtering, and discloses a textile sewage filtering device which comprises a filtering tank, a water outlet is formed in one end of the filtering tank in a penetrating mode, the other end of the filtering tank is connected with a transmission mechanism, and the output end of the transmission mechanism penetrates into the filtering tank and is connected with a filtering assembly. The other end of the filtering assembly is connected with the water outlet, and the outer portion of the filtering assembly is connected with a hair collecting assembly. According to the textile sewage filtering device, the transmission mechanism, the filtering assembly and the hair collecting assembly are arranged in the filtering tank, so that when textile sewage is coarsely filtered through the filtering tank, the transmission mechanism can drive the filtering assembly and the hair collecting assembly to rotate together; sewage in the filter tank can be actively hooked through rotation of the hair collecting assembly, so that the filtering effect is improved.

The invention belongs to the technical field of ardealite solid waste treatment, and particularly relates to an ardealite reverse-direct flotation coupling synchronous impurity removing and whitening process. The process comprises the following steps: mixing and stirring ardealite and water to obtain ore pulp; after sufficient stirring, adding a flotation reagent A into the ore pulp, continuously stirring at a high speed, aerating, carrying out reverse flotation, scraping bubbles until the bubbles are white, and taking a product in a tank as rough concentrate ore pulp; adding a flotation reagent B into the rough concentrate pulp, continuously stirring at a high speed, adding a certain amount of foaming agent, continuously stirring at a high speed, aerating, carrying out direct flotation, and scraping bubbles until floating gypsum does not exist, so as to obtain a foam product; and filtering and drying the foam product to obtain a concentrate product. After'one-reverse and one-positive 'flotation, the whiteness and the purity of CaSO4. 2H2O are greatly improved, the SiO2 content, the organic matter content and the fluorine ion content are greatly reduced, and the problems that an existing ardealite treatment process is single in impurity removal capacity, common in removal effect, long in process line, large in agent dosage and high in cost are solved.

The embodiment of the invention discloses a new energy grid-connected harmonic suppression regulation and control method and device, electronic equipment and a medium. A specific embodiment of the method comprises the following steps: performing variable window Fourier transform on a power instantaneous value sequence set, and then performing impedance compensation to obtain a compensated power harmonic spectrum diagram set; performing critical point identification on the new energy grid-connected power region to obtain a harmonic resonance critical point set; performing early warning grade division on the harmonic resonance critical point set to obtain an early warning grade critical point set; performing harmonic time sequence prediction on the compensated power harmonic spectrogram and the inverter power information to obtain a harmonic prediction amplitude oscillogram; and performing harmonic suppression control on the early warning grade critical point to obtain grid-connected harmonic regulation and control information, and performing equipment regulation and control processing on the power equipment. According to the embodiment, the early warning accuracy of the harmonic resonance risk and the efficiency of suppressing the harmonic resonance can be improved, the equipment delay is reduced, the safety of the new energy grid-connected equipment is improved, and the power loss is reduced.

The invention relates to a laser type glue removing system for a bus bar welding end, which comprises a bus bar clamping unit and a laser processing unit, the bus bar clamping unit comprises a first chuck and a second chuck, and the laser processing unit comprises two laser emitters and a smoke processor. On one hand, the laser is adopted to form intersection and overlap to cover the welding ends of the two bus bars, and the light beam emitted to the assembly is shielded in the barrier of the two matched chucks, so that the light beam is burnt in a short time to remove an adhesive layer, and the damage of the assembly caused by the light beam is also avoided; and on the other hand, smoke, dust and fragment waste generated by burning the rubber layer through the laser are collected based on the smoke dust processor, the occurrence rate of safety accidents caused by open fire or flying of the falling rubber layer is avoided, meanwhile, the time needed from clamping to laser removal is short, and the requirement of existing assembly line type operation is met.

The utility model relates to the technical field of building construction, in particular to an ALC light partition wall used in a modular building and a building module with the ALC light partition wall. The partition wall comprises a plurality of partition wall bodies which are sequentially connected, a grouting space used for grouting is arranged at the joint of every two adjacent partition wall bodies, and grouting materials used for connecting every two adjacent partition wall bodies can be poured into the grouting spaces; the grouting space is formed by a grouting through groove formed in the side wall of the partition wall body in the vertical direction; chamfers are arranged at the four corners of the partition wall body. According to the ALC light partition wall, the grouting space is formed between the adjacent partition wall bodies, and the grouting material is used for filling and fixing, so that the structural strength and stability of the ALC light partition wall are effectively improved, the displacement or damage risk caused by external factors is reduced, and joint cracking caused by inertia force in the transportation process of the ALC light partition wall and the dead weight of modules in the hoisting process is avoided; and the overall quality of the modular building is improved.

Embodiments of the present disclosure disclose an embedded device firmware burning method and device, electronic equipment, medium and product. A specific embodiment of the method comprises: obtaining control instruction information for firmware burning of an embedded device sent by a wireless communication control module through a serial interface; performing analysis processing on the control instruction information to obtain analyzed control instruction information; determining firmware burning mode information of the embedded device according to the analyzed firmware burning instruction information; and controlling the power switch control module to perform firmware burning processing on the embedded device according to the firmware burning mode information and the analyzed power control instruction information. The firmware burning instruction information and the power control instruction information sent by the wireless communication control module can automatically control the opening and closing of the firmware burning power supply of the embedded device remotely and in a timely manner, thereby improving the efficiency, safety, stability and performance of firmware burning of the embedded device.