31results about How to "Realize adjustment distance" patented technology

The invention discloses a replaceable signboard mounting device and a mounting method thereof. The replaceable signboard mounting device comprises a transverse plate and is characterized in that foursupport rods are evenly arranged on the lower surface of the transverse plate, a mounting plate is arranged at the upper ends of two first oblique racks, the upper surface of the mounting plate is provided with a slide groove, a screw is arranged inside the slide groove, a first hand wheel penetrating the slide groove is arranged at one end of the screw, sliders matched with the slide groove are symmetrically arranged on the outer side of the screw, a vertical plate is arranged on the upper surface of each slider, the opposite faces of the two vertical plates are provided with mounting grooves, and a signboard is arranged inside the two mounting grooves. The device has the advantages that the screw is rotated through the first hand wheel to drive the two sliders on the outer side of the screw to move towards or away from each other so as to adjust the distance between the two vertical plates, the signboard can be replaced conveniently, signboards of different sizes can be mounted, andhigh use flexibility is achieved.

The invention discloses a concrete die with a shape changed according to the specifications of a prefabricated block. The concrete die comprises a working table surface, wherein electric telescopic rods are symmetrically arranged on the upper surface of the working table surface; a first die is arranged at an output end of each electric telescopic rod; each first die is located between two seconddies, and V-shaped grooves are formed in the opposite surfaces of the two first dies; four support rods are uniformly arranged at the outer side of the upper surface of the working table surface; a slide sleeve is arranged at the outer side of each support rod, and a top plate is arranged at the upper ends of the four support rods; and an output end of an electric push rod penetrates through the top plate and is provided with press plates connected with the slide sleeves. According to the concrete die, the first dies are driven to move through the electric telescopic rods to realize adjustmentfor a distance between the first dies; and a shape between the first dies and the second dies can be changed into a rhombus or a hexagon, and the shape can be changed according to the specifications,so that resource waste is avoided.

The invention discloses manufacturing equipment for a linear type square paper tube. The manufacturing equipment comprises a machine base, a square die fixing frame arranged at the head end of the machine base, a square tube die which is connected with the square die fixing frame, at least one group of square tube forming devices which are matched with the square tube die, a driving device which is connected with the square tube forming devices and a cutting device for cutting a square tube, wherein the cutting device is arranged at the tail end of the machine base; the square tube forming devices are arranged on the machine base; each square tube forming device is composed of a grinding wheel for forming the square tube; each grinding wheel is matched with the square tube die; and the driving device drives each grinding wheel to rotate. The manufacturing equipment adopts the above structure, only longitudinally pushes and grinds the square tube to form without the rotation process and radial torsion stress, greatly lowers the phenomenon of generating distortion and is wider in using range.

The invention discloses a fixed adjusting device for a vehicle and the vehicle. The fixed adjusting device comprises two adjusting mechanisms. Each adjusting mechanism comprises a fixed part and a connecting part. The fixed parts of the two adjusting mechanisms are separately connected to two fixed bars, at least one fixed part is movably arranged on a vehicle-mounted display terminal to adjust the distance between the two adjusting mechanisms, and a plurality of first positioning parts arranged in a spaced manner along the moving direction are arranged on the movable fixed part. The connecting part is connected to the vehicle-mounted display terminal, a second positioning part is arranged on the connecting part, and the second positioning part positions the fixed part in the current position when being matched with one of the first positioning part. According to the fixed adjusting device, the second positioning part of the connecting part is in switching fit to the first positioningparts of the movable fixed part, so that the distance between the two fixed parts is adjusted, and therefore, the fixed adjusting device is mounted on vehicles of different models suitably.

The invention provides an automatic polishing device and its working method, belonging to the technical field of mechanical processing, comprising a workbench, the lower end of the workbench is fixedly connected with an auxiliary frame, and the upper end of the workbench is provided with a polishing groove, a sixth chute and two Three installation grooves and the first installation groove, the polishing groove is fixedly connected with a protection frame, the upper end of the protection frame is fixedly connected with a protective cover, the rear end of the protection frame is provided with a first chute, and the lower end of the protection frame is fixedly connected with a receiving hopper, The lower end of the receiving hopper is provided with a material opening, and a front polishing mechanism is arranged in the protective frame. The front polishing mechanism includes two large polishing rollers and the first rotating shaft, and the side surface of the opposite tube is polished by the small polishing roller, and the opposite tube is polished by the large polishing roller. The upper and lower sides are polished, so that the four sides of the square tube can be polished at the same time, which can effectively improve the polishing efficiency without multiple polishing.

The invention discloses a monocular with microscopic and telescopic functions and a design method thereof, and relates to the technical field of optical stationery. The monocular comprises an outer tube which sleeves an inner tube matched with the outer tube, an objective lens sleeve is connected to the left end spiral of the outer tube, an objective lens is arranged in the objective lens sleeve,a first inverting lens is arranged in the inner tube, the first inverting lens is located at the left end of the inner tube, a first support tube is arranged in the inner tube, and the left side faceof the first support tube makes contact with the right side face of the first inverting lens. According to the monocular with the microscopic and telescopic functions, by arranging the objective lens,under the action of the first inverting lens and a second inverting lens, by adjusting the distance between the objective lens and the first inverting lens, the image erecting telescoping or image erecting microscope effect can be achieved, the problem that for a traditional monocular with the microscopic and telescopic functions, an image is inverted in the microscopic state is solved, under theaction of four lenses, the telescopic and microscopic effects can be achieved, and the structure is simple.

The invention discloses a triple-hulled vessel, and belongs to the technical field of ships. The triple-hulled vessel comprises a controller, a first connecting rod, a first base, a second connecting rod, a third base, a second base, a fourth connecting rod, a third connecting rod, side piece bodies, a fourth base, second sliding blocks, second sliding rails, first sliding blocks, a connecting rod, first sliding rails, a first air cylinder, a main piece body and second air cylinders. The left side and the right side of the main piece body are provided with the two first sliding rails respectively. The first sliding blocks are installed on the first sliding rails. The side piece bodies are installed on the two first sliding blocks. The second sliding rails are installed on the side faces of the first sliding rails. The second sliding blocks are installed on the second sliding rails. The second air cylinders are installed on the second sliding blocks. The fourth base is installed on the second air cylinder at the upper portion. The first connecting rod and the third connecting rod are installed on the fourth base through pin shafts. The second base is installed on the second air cylinder at the lower portion. The triple-hulled vessel has the advantage that the distance between the side piece bodies and the main piece body is adjustable.

The invention discloses a multiply cable convenient pay-off unit. The multiply cable convenient pay-off unit comprises a pay-off component and a wire feeding component on a base, wherein the pay-off component comprises pay-off racks sequentially mounted on the base in a direction vertical to the pay-off direction, each pay-off rack comprises two stand columns symmetrically arranged in a direction vertical to the pay-off direction, pay-off wheel seats are respectively arranged at tops, close to each other, of the adjacent stand columns, and a reducing wire wheel is mounted between adjacent pay-off wheel seats; the wire feeding component comprises supporting frames symmetrically arranged on the two sides of the top of the base in the pay-off direction, and a power idler wheel is rotationally arranged between the bottoms of adjacent supporting frames; a forcing spindle is arranged in the vertical direction between the tops of the adjacent supporting frames in a sliding manner, and a compressing wheel is arranged on the forcing spindle in a sliding manner; the multiply cable convenient pay-off unit provided by the invention has the beneficial effects that the collecting and the transporting of multiply sets of cables can be performed synchronously, pay-off wheels with direction widths can be mounted compatibly, the mounting of the pay-off wheels is quick and convenient, the pay-off diameter can be adjusted, cables with different diameters and in different coming directions can be clamped and transported compatibly, and multiply cables are prevented from mutual intertwining.

The invention discloses a fixed adjusting device for a vehicle and a vehicle. The fixed adjustment device includes two adjustment mechanisms, and each adjustment mechanism includes: a fixing piece and a connecting piece, the fixing pieces of the two adjusting mechanisms are respectively connected with two fixing rods, and at least one fixing piece is movably arranged on the vehicle-mounted display terminal To adjust the distance between the two adjustment mechanisms, the movable fixing part is provided with a plurality of first positioning parts spaced apart along its moving direction. The connecting piece is connected to the vehicle-mounted display terminal, and the connecting piece is provided with a second positioning part, and when the second positioning part cooperates with one of the first positioning parts, the fixing part is positioned at the current position. The fixed adjustment device of the present invention realizes the adjustment of the distance between the two fixed parts by making the second positioning part of the connecting part switch and cooperate with multiple first positioning parts of the moving fixed part, so as to be suitable for different types of fixed parts. installed on the vehicle.