69results about How to "Affect normal movement" patented technology

The invention relates to a true triaxial multifunctional shearing test device and method for a high-temperature and high-pressure hard rock, and belongs to the technical field of rock indoor loading experience. The true triaxial multifunctional shearing test device comprises a hydraulic system, a left-end combination tangential loading oil cylinder, a right-end combination tangential loading oil cylinder, a front-end combination lateral loading oil cylinder, a rear-end combination lateral loading oil cylinder, an upper normal loading oil cylinder, a lower normal loading oil cylinder, an annular framework, a lateral auxiliary push-pull framework, an annular framework support platform, a horizontal support plate and an experiment box. Shearing test of the hard rock under a true triaxial condition is initially achieved. In order to meet true triaxial test under the true triaxial condition, the invention designs the loading frameworks and the oil cylinders which have brand-new structures.The integral rigidity of equipment is improved, and meanwhile, a full-section stress coverage loading mode of a rock sample during the true three-way shearing process is ensured; and by improving a front-end cooling mode of the oil cylinder, and the situation that the temperature of hydraulic oil in the oil cylinder is raised at a high temperature reaching 300 DEG C to affect normal motion of an actuator can be prevented.

The invention discloses a learning table with an automatic overturning table board which solves the problem of low stability and reliability of the table board during overturning. In order to solve the problem, according to the technical scheme, the table frame, the table board installed on the table frame and table legs used for supporting the table frame are mainly involved; the front end of thetable board is hinged to the table frame, the lower portion of the table board is provided with a power push rod and a mounting sleeve, the power push rod is sleeved with the mounting sleeve fixed tothe table frame, an overturning board fixed to the back surface of the table board is arranged above the mounting sleeve, the front end of the overturning board is connected to the mounting sleeve through a first rotating shaft, a connecting rod is hinged to the overturning board and connected with the power push rod through a second rotating shaft, and the power push rod drives the overturning board to rotate around the first rotating shaft through the connecting rod to make the table board overturned relatively to the table frame; the mounting sleeve is internally provided with a guide groove which inclines and extends upwards from the back side to the front side, and the second rotating shaft slides along the two opposite side walls of the guide groove. The second rotating shaft is restricted to floating up and down by the guide groove from the two sides, and the stability of the table board is high.

The invention discloses an omni-directional camera hoisting structure for tourist hotel monitoring, and relates to the technical field of camera hoisting structures. The omni-directional camera hoisting structure for tourist hotel monitoring comprises a fixed shell body and a control box which is fixedly connected to the inner wall of the bottom of one end of the fixed shell body, a controller is arranged in the control box, an operation panel is arranged at the top of the control box, a driving shaft is rotatably connected to the inner wall of one end of the fixed shell body, a driving belt wheel fixedly sleeves the driving shaft, a rotating shaft is fixedly connected to the inner wall of the other end of the fixed shell body, a tensioning belt wheel rotatably sleeves the rotating shaft, a fixed shaft is fixedly connected to the inner wall of the vertex angle of the fixed shell body, and the fixed shaft is rotationally sleeved with a guide belt wheel. The omni-directional camera hoisting structure for tourist hotel monitoring is reasonable in structure, operation can be carried out on a camera on the ground without climbing to a high position by using a ladder when the camera is installed, maintained and debugged, and therefore potential safety hazards caused by climbing to the high position are avoided.

The invention belongs to the technical field of carton sheet pushing, and particularly relates to a carton sheet pushing device used in the field of packaging. The carton sheet pushing device comprises a speed reduction motor, a paper storage shell, a guide telescopic plate, a conveying mechanism, a bottom plate, a paper baffle and a paper licking roller. Compared with a traditional carton sheet pushing device, a carton sheet of the traditional carton sheet pushing device is pushed out from the lower side of the paper storage shell; in this way, each time the carton sheet is pushed out, the carton sheet is subjected to gravity applied by alignment of all carton sheets on the upper side, so that resistance of the carton sheet on the lowermost side is increased; a pushing outlet of the designed pushing device is located on the upper side of the paper storage shell; in this way, after the carton sheet is pushed each time, the pushed carton sheet is not affected by other carton sheets, andthe pushing resistance is small; according to the designed pushing device, the pressure of the paper licking roller on the carton sheet is relatively stable each time, and smaller pressure is kept; and the situation that normal movement of the carton sheet is affected since the pressure of the paper licking roller on the carton sheet is too large is avoided.

The invention discloses a molding tool for dancing shoe sequins, which includes a main shaft, a first fixing plate, a second fixing plate, a third fixing plate, a first pressure column and a second pressure column, wherein the first fixing plate, the second fixing plate and the third fixing plate are set on the main shaft sequentially from top to bottom; the second fixing plate is formed with a plurality of forming holes; The number of pressing columns and the upper through holes is the same and they pass through the upper through holes in one-to-one correspondence. The third fixing plate is provided with lower through holes corresponding to the number of forming holes and corresponding in position one to one. The second pressing columns and the lower through holes are The number is the same, and a plurality of second pressure pillars pass through the lower through hole and are embedded in the forming hole one by one. Both the lower opening of the upper through hole and the upper opening of the lower through hole are connected with annular spacer sleeves, and both the first pressure column and the second pressure column pass through the spacer sleeves. When the invention is applied, dust can be prevented from entering the gap between the fixed plate and the pressure column to affect the normal movement of the pressure column, thus ensuring the sheet-forming efficiency of raw materials.

The invention discloses a hydraulic coal bunker arch breaking device, which comprises a mounting seat, the mounting seat includes a top plate and a side wall of the mounting seat connected below one side of the top plate; a spring is connected downward to the top plate, and a cover plate is connected to the lower end of the spring. There is a water spray pipe with the opening facing upward under the plate; the extension rod of the electric push rod slides through the side wall of the mounting seat and its end is connected with a power plate, and the top of the water spray pipe passes through the installation hole of the power plate; the water spray Driven by the electric push rod and power disc, the pipe has a water spray position and a storage position. When water spray is not needed, the water spray pipe can return to the bottom of the cover plate and the top of the water spray pipe is crimped with the cover plate, which is well avoided. The phenomenon that the coal in the coal bunker enters the water spray pipe in the storage state is prevented, so that the present invention can keep the water spray pipe from being blocked during long-term use, has strong arch breaking ability, and is suitable as a regular arch breaking device.

The invention belongs to the technical field of carton sheet pushing, and in particular relates to a carton sheet up-dial pushing device used in the packaging field, which includes a geared motor, an adjustment mechanism, a paper storage case, a paper feeding roller, a guiding telescopic plate, a transmission mechanism, a bottom plate, and a stopper. Cardboard, paper licking roller, the push outlet of the push device designed in the present invention is located on the upper side of the paper storage case, so that after each push of a carton piece, the pushed out carton piece will not be affected by other carton pieces, and the push resistance is small The carton sheet pushing device designed by the present invention adds a paper feed roller in the process of pushing the carton sheet, so that the length of the carton sheet only needs to be greater than the distance between the bottommost side of the paper feed roller and the pressure roller, In this way, the highest point that the paper licking roller can move can be relatively increased, and when the carton pieces are first placed in the paper storage case, the number of carton pieces in the paper storage case can be increased, so that the use efficiency of the device becomes high.