12results about How to "Constant distance" patented technology

The utility model provides a distance-adjustable roller cooling device, which relates to the technical field of roller cooling and comprises an arc-shaped cooling mounting seat, an adjustable connecting piece and a fixed clamping groove seat, an arc-shaped plate is arranged on the inner side of the arc-shaped cooling mounting seat, and the adjustable connecting piece comprises a first connecting plate and a second connecting plate. The first connecting plate is fixed with the mounting base through the fixed clamping groove seat, the second connecting plate is arranged on the outer wall of the arc-shaped cooling mounting seat, a first adjusting groove is formed in the first connecting plate, a second adjusting groove is formed in the second connecting plate, a fastening bolt is arranged in the first adjusting groove, and one end of the fastening bolt penetrates through the second adjusting groove and then is connected with a nut; the fastening bolts are matched with the nuts to connect the first connecting plate and the second connecting plate, and when the roller diameter of the roller is reduced due to abrasion, the arc-shaped cooling mounting seat is adjusted to be close to the roller by moving the mounting position of the second connecting plate on the first connecting plate; and the distance between the cooling nozzle on the arc-shaped cooling mounting seat and the outer wall of the roller is kept constant.

This utility model discloses a flexible suction port for a roving blowing and suction cleaning machine. Its structure includes a suction assembly, a suction port, and an adaptive adjustment mechanism. Through the contact of a roller assembly with the surface of the drafting cover plate, it senses changes in the height of the drafting cover plate in real time and drives the suction port to move along a vertical slide rail, dynamically maintaining a constant distance between the suction port and the drafting cover plate to ensure stable waste absorption. The adaptive adjustment mechanism adjusts the height of the roller support through a strip groove and bolts, and combines stackable weights to dynamically balance the roller contact pressure, adapting to different working conditions. This utility model adopts a modular design; the suction port is fixed by clamps for easy disassembly and maintenance; the weight and number of weights are adjustable, improving pressure control accuracy. Its significant advantages lie in automatically adapting to drafting cover plate deformation and track misalignment, reducing manual intervention, and improving cleaning efficiency by more than 60%. It is suitable for various roving frame equipment and has broad industrial application value.

The invention discloses a solid propellant combustion residue complete collection system and method.The system comprises a combustion chamber shell, an ignition mechanism arranged in the combustion chamber shell, a clamping mechanism, a high-pressure gas cylinder and a buffer gas cylinder, and the high-pressure gas cylinder and the buffer gas cylinder are connected with the combustion chamber shell. The constant pressure in the combustion chamber shell can be realized, and the pressure fluctuation in the combustion chamber shell caused by combustion is effectively reduced; combustion residues generated by combustion of propellant medicine strips and particles dispersed in gas are collected through the collecting liquid and the outlet filter, and the technical problem that complete collection of solid propellant combustion residues is difficult to achieve only through a combustor device is solved. According to the method, the downward moving speed of the push rod is controlled to be equal to the combustion speed of the propellant strip, so that the distance between the propellant strip and the liquid level of the collecting liquid is kept constant, namely, the position of the combustion surface is kept unchanged, and the experiment reliability is further ensured.

The utility model relates to the technical field of plastering tools, and discloses a building construction plastering device which comprises a shell, and a plastering assembly is arranged on the top of the shell. According to the plastering device for building construction, when the mounting plate is in a horizontal state, the shell slightly inclines towards the lower left, so that mortar can flow out through the notch, the rolling wheels roll on the wall surface, then the shell is driven to move on the wall surface, the mortar flows out of the notch and then is ground to be flat by the outer wall of the shell, and the device is kept perpendicular to the wall surface through the supporting effect of the rolling wheels; the constant distance between the notch and the wall surface is ensured, the constant distance enables flowing mortar to be consistent in thickness, so that the effect of uniform plastering is achieved, the problem that the thickness of a mortar layer is not uniform is solved, under elastic deformation of the spring, the push plate is pushed to move towards the notch, then the mortar is pushed to the notch, and plastering on a ceiling is achieved. And the problem of insufficient gravity is solved.

The present invention relates to an aircraft in-situ laser cleaning auxiliary tooling, comprising a tooling body, a laser generating component, a support component with a hollow middle portion, and a walking component. A light exit hole is provided at one end of the tooling body, the laser generating component is arranged in the tooling body, one end of the support component is connected to the outer wall of one end of the tooling body with the light exit hole, the other end of the support component is installed with the walking component, and a through hole is provided in the middle of the walking component. The laser emitted by the laser generating component passes through the light exit hole and then irradiates the surface of the cleaning object through the through hole in sequence, and cleans the surface of the cleaning object as the walking component walks on the surface of the cleaning object. The present invention irradiates the surface of the cleaning object with laser, and can be moved on the surface of the cleaning object more conveniently through the walking component, thereby reducing labor intensity. The distance from the light exit hole to the surface of the cleaning object can be ensured to be constant through the support component, thereby achieving a constant cleaning position, improving cleaning efficiency, and ensuring a cleaning effect.

The present invention relates to the field of code reading technology, and in particular to a code reading device. It comprises a conveying base, the conveying base is fixedly connected with a bracket, the bracket is fixedly connected with a code reader, the conveying base is fixedly connected with a fixed frame, the fixed frame is ball-connected with a swing frame, a first elastic element is arranged between the fixed frame and the swing frame, the fixed frame is fixedly connected with a fixed ring, the fixed ring is sealingly and rotatably connected with an inner ring, and the two cooperate to form a first closed cavity, the inner ring is fixedly connected with a push cylinder, the push cylinder is connected with an adjacent first closed cavity, the push cylinder is sealingly and slidably connected with a first piston shaft, and a second elastic element is arranged between the push cylinder and the adjacent first piston shaft. The present invention drives the swing frame to tilt through two first piston shafts, so that the sliding frame and the sliding column drive the cigarette box to tilt synchronously, thereby changing the code reader's reading angle of the barcode on the cigarette box.

The radiation detector includes: a positioning component having a through-hole for radiation to pass through; a scintillator having an input surface for receiving radiation passing through the through-hole and converting the radiation into scintillation light; a sensor having a light-receiving surface for receiving the scintillation light converted by the scintillator and detecting the scintillation light; and a lens having a lens that images the input surface of the scintillator and the light-receiving surface of the sensor, respectively. The positioning component has a first positioning part for positioning the scintillator by contacting its input surface, and a second positioning part for positioning the lens by contacting one end face of the lens.

The present invention relates to the technical field of composite material gas cylinder detection, and discloses an ultrasonic scanning detection device for composite material gas cylinders, including a rectangular support and a gas cylinder, wherein a stainless steel water tank is fixedly arranged in the rectangular support, slides are fixedly installed on the tops of the front and rear sides of the rectangular support, sliding sleeves are slidably arranged on the two slides, movable arms are fixedly installed on the outer walls of the two sliding sleeves, and the two movable arms are movably arranged on the inner wall of the stainless steel water tank; the stainless steel water tank is filled with water, a part of the gas cylinder floats on the water surface, and a part is immersed in the water, and an ultrasonic sensor is located directly below the gas cylinder, so that the ultrasonic sensor and the gas cylinder can be detected by water coupling, which overcomes the coupling problem of probe contact method detection and improves coupling accuracy. The present invention is novel in design, simple in structure, and has the advantages of high probe coupling degree and high detection efficiency.

A display device may be applied to display-related technical fields, and a display device using a micro light emitting diode (LED) is disclosed. A display device using a light emitting diode includes: a wiring substrate in which a plurality of unit pixels are defined; at least one electrode pad disposed in each of the unit pixels to define a plurality of unit sub-pixels; and at least one light emitting diode configured to have an inclination angle and a bonding surface, a side surface of the light emitting diode being inclined to one side at the inclination angle, and the bonding surface being electrically connected to the electrode pad. Two light emitting diodes adjacent to each other are symmetrically arranged with respect to the inclination angle, and a distance between two electrode pads adjacent to each other varies according to a position of the electrode pads.

The present invention may provide a lase notching apparatus comprising: a laser irradiation unit including a first laser irradiating a first beam, a second laser irradiating a second beam, and an optical member which forms paths of the first beam and the second beam; and a control unit which moves a scanner of the laser irradiation unit along a notching line of an electrode, wherein the optical member forms the path of the first beam and the path of the second beam such that a first spot of the first beam and a second spot of the second beam are arranged apart from each other by a first distance on the notching line, and a size of the first spot is larger than a size of the second spot, and the control unit moves a reflective mirror of the laser irradiation unit such that a spot of the second beam follows a moving trajectory of a spot of the preceding first beam.

The invention belongs to the technical field of flexible mechanical arms, particularly relates to a modular multi-degree-of-freedom flexible mechanical arm, and aims to solve the problems that the flexible mechanical arm needs a fixed base and cannot move after being mounted, the modular multi-degree-of-freedom flexible mechanical arm comprises the fixed base, and a semicircular gear ring is rotationally inserted in the position, close to the middle of one side, of the top of the fixed base; a mounting groove is formed in the position, close to the arc-shaped outer wall of the semicircular gear ring, of the interior of the fixed base, the same rotating shaft is rotationally connected to the positions, close to the middle, of the inner walls of the two ends of the mounting groove, and one end of the rotating shaft penetrates through the fixed base. By arranging the semicircular tooth ring, the height of the flexible mechanical arm can be changed, adjustment can be conducted according to the heights and body types of different patients, it is ensured that medical operation is more accurate and comfortable, the mechanical arm can be prevented from colliding with a doctor, and operation safety is improved.

A display device includes a substrate; a first electrode disposed on the substrate; a pixel definition layer having a pixel opening defined on the first electrode; an emission layer disposed in the pixel opening; a second electrode disposed on the emission layer; an encapsulation layer disposed on the second electrode; a sensing electrode portion and a reflective layer disposed on the encapsulation layer; a first light blocking layer overlapping the sensing electrode portion; and a second light blocking layer overlapping the reflective layer, wherein the reflective layer includes a plurality of recessed portions disposed in an area overlapping the second light blocking layer.