38results about How to "Adjust arc" patented technology

The invention relates to the technical field of pipe processing equipment and discloses anticorrosive paint spraying and grinding equipment for production and processing of a buried pipe. The anticorrosive paint spraying and grinding equipment comprises a machine table; supporting legs are fixedly installed at the bottom end of the machine table; fixing rods are fixedly installed at the top end ofthe machine table; the top ends of the fixing rods are fixedly connected with a horizontal plate; a transmission machine is placed on the horizontal plate; the middle part of the transmission machineis fixedly provided with a fixed point grinder in a sleeving manner; a component positioned at the side surface of the fixed point grinder is fixedly installed inside the transmission machine; movingwheels are arranged at the bottom end of the transmission machine; and the moving wheels are matched with fixing grooves which are formed in the top of the horizontal plate. According to the anticorrosive paint spraying and grinding equipment for production and processing of the buried pipe, a transmission driven plate is moved toward a direction corresponding to a screw handle by twisting the screw handle so that two externally connected rods are used for driving two contact plates to expand; by regulating the radian of the two contact plates, material pipes which are different in diameter can be conveniently supported and positioned; and a bearing frame device is used for auxiliary support for the position, thereby effectively guaranteeing processing of the material pipes which are different in length.

The invention discloses a numerical-control roller bending device used for step guide rail bending, molding and processing. The numerical-control roller bending device used for step guide rail bendingcomprises a main body, wherein a spacing regulating mechanism is arranged inside the main body; two fixed mold mechanisms are arranged at the upper end of the spacing regulating mechanism; a movablemold mechanism is arranged on the upper surface of the main body; and one end of the upper surface of the main body is equipped with a pressure mechanism. The numerical-control roller bending device disclosed by the invention has the beneficial effects that: spacing regulation between the two fixed mold mechanisms is more synchronous by the spacing regulating mechanism via a two-way threaded rod,and manual operation is not needed; step guide rails of different bending amplitudes are rolled by regulating different spacings, and contact points between fixed molds of the two fixed mold mechanisms and the step guide rails change, so that a slide block can be effectively fixed through a slide plate and a limiting slot without sliding; and a third motor is used for regulating, so that a strokeof a hydraulic rod can be changed to change movement amount of the movable molds to change depth of roller-pressing, and thus, roller-pressing radian of the step guide rails can be freely regulated.

The invention provides a shaping plate and a shaping mold for civil engineering, and belongs to the technical field of pouring molds. The shaping plate comprises a first mounting assembly, a second mounting assembly and the shaping plate, wherein both ends of the second mounting assembly are respectively connected with adjacent first formworks; a plurality of shaping plates include first formworks, second formworks and at least two adjusting assemblies; the second formworks are of an arc-shaped structure and are located on one side of the first formworks; and the convex surfaces of the second formworks make contact with the first formworks. When a cylindrical concrete member needs to be poured, a plurality of second formworks are spliced so as to form a cylindrical pouring cavity; and when a prismatic concrete member needs to be poured, a corresponding number of first formworks are selected according to the shape of a prism which needs to be poured, the first formworks are spliced so as to form a prismatic pouring cavity, and therefore, the prismatic concrete member can be poured conveniently.

The invention discloses dual-joint board bending forceps being used by cooperating with an anterior cervical fixation system in a spinal fixation operation. The board bending forceps are provided with a left forceps handle and a right forceps handle which are movably connected through a first connecting shaft. The dual-joint board bending forceps are structurally characterized in that the left forceps handle is composed of a left pincer head and a left handle which are fixedly connected; the right forceps handle is composed of a first right forceps head, a second right forceps head and a right handle, one end of the second right forceps head is movably connected with the first right forceps head through a second connecting shaft, and the other end of the second right forceps head is fixedly connected with the right handle; a spring is connected between the first right forceps head and the left forceps head, and a connecting rod is movably connected between the second right forceps head and the left forceps head; the head of the left forceps head is provided with a first left cushion block, and the head of the first right forceps head is provided with a first right cushion block matched with the first left cushion block; a forceps body of the left forceps head is provided with a second left cushion block, and a forceps body of the second right forceps head is provided with a second right cushion block matched with the second left cushion block. The board bending forceps have the advantages of being easy and convenient to operate, accurate in positioning, firm in clamping and high in stability.

The invention relates to lens polishing, in particular to a laser lens polishing device which comprises a machining support, a clamping mechanism, a supporting mechanism, a lifting mechanism, a rotating mechanism, a swing mechanism, an expansion mechanism and a polishing mechanism. The machining support comprises a bottom support, a supporting ring and a gear ring frame, and the clamping mechanism comprises a gear ring, a gear and a clamping arc plate; the supporting mechanism comprises a telescopic mechanism I, an arc cavity I, a ball I and a suction cup I, the lifting mechanism comprises a telescopic mechanism I and a lifting support, the rotating mechanism comprises a rotating ring, a sliding column and a threaded rod, and the swinging mechanism comprises a swinging support, a rotating motor, a swinging connecting rod, a sliding connecting rod and an arc cavity II. The expansion mechanism comprises a ball II, a telescopic mechanism III, a telescopic mechanism IV, a ball III, a telescopic mechanism V and a ball IV, the grinding mechanism comprises a grinding frame, an arc cavity III and an arc cavity IV, and the grinding radian of the lens can be adjusted according to different use requirements.

The invention provides a pre-former for a steel cord or a steel wire rope. The pre-former comprises a base, an upper adjusting disc, a middle adjusting disc, a lower adjusting disc and multiple studs. A through hole is formed in the center of the base, and a hollow shaft is arranged in the through hole. The upper adjusting disc, the middle adjusting disc and the lower adjusting disc are each a circular truncated cone with a center hole, the outer surfaces of the three adjusting discs are located on the same straight line, and a circular truncated cone structure with the upper portion larger than the lower portion is formed. The hollow shaft of the base is sleeved with the upper adjusting disc, the middle adjusting disc and the lower adjusting disc, the upper adjusting disc and the lower adjusting disc are fixedly connected to the hollow shaft, and the middle adjusting disc is of a rotatable structure. At least one row of screw holes are evenly formed in the outer side face of each adjusting disc in the circumferential direction, the screw holes of the upper adjusting disc correspond to the screw holes of the lower adjusting disc, in other words, the screw holes of the upper adjusting disc and the screw holes of the lower adjusting disc are located on the same straight line. Each stud is provided with a deformation wheel in a penetrating mode, and is locked through a nut. One ends of the studs are arranged in any rows of screw holes in the outer side faces of the upper adjusting disc, the middle adjusting disc and the lower adjusting disc. By means of the pre-former, free adjustment in all directions can be achieved, and abrasion to a steel wire can be remarkably lowered.

The invention discloses an intelligent curtain apparatus with adjustable radian. The intelligent curtain apparatus includes a wall body and a slide rail. Two sides of the slide rail are provided withprotruding blocks. Each protruding block is connected to the wall body through fastening screws. One end of the slide rail is provided with a controller. The bottom part of the slide rail is providedwith a driving slide block and a driven slide block. The driving slide block and the driven slide block are connected to a transverse slide apparatus through a connecting lever at one ends thereof distant from the slide rail. The transverse slide apparatus is connected to the curtain through a connecting rope. According to the invention, the transverse slide apparatus is provided so as to adjust the radian of the curtain, such that the curtain is applicable to various environments and the usage of the curtain is increased; And the controller is disposed to control the transverse slide apparatus, such that the apparatus herein can intelligently adjust the radian of the curtain and adjustment of the curtain is more precise.

The invention relates to the field of bamboo pole cutting equipment, in particular to a bamboo furniture cutting machining device which comprises a bottom plate. The bamboo furniture cutting machiningdevice is characterized in that a vertical plate is fixedly connected to one side of the upper part of the bottom plate, bamboo pole supporting plates with arc-shaped grooves in the upper sides are fixedly connected to two ends of the vertical plate, separately, the two bamboo pole supporting plates are fixedly connected to two ends of the upper side of the bottom plate, separately, the verticalplate is connected to a bamboo pole fixing module, and the upper side of the bottom plate is connected to a bamboo pole cutting module. The bamboo furniture cutting machining device can cut triangularopenings in a bamboo pole conveniently, so that follow-up machining is facilitated.

The invention discloses a special fixture for a slag stopping cone for a manipulator, and belongs to the technical field of slag stopping cone clamping devices.The special fixture comprises the manipulator, one end of the manipulator is sleeved with a fixture assembly, and the fixture assembly is composed of a top plate assembly, a clamping strip assembly, a connecting assembly, a bottom plate assembly and a pin shaft assembly and is convenient to assemble; according to the device, part of components can be replaced conveniently, the maintenance cost is reduced, through a lead screw and a threaded pipe, the position of an arc-shaped strip can be adjusted conveniently, the radian formed between arc-shaped plates can be adjusted conveniently, slag stopping cones of different specifications can be used conveniently, through an air bag strip and an upper fixing plate, the situation that the slag stopping cones fall off during clamping and after overturning is avoided, and the service life of the slag stopping cones is prolonged. And through the limiting disc, during use, rotation of the pin rod is limited, looseness between the clamp assembly and the mechanical arm is avoided, the stability during use is improved, then the stacking position of the slag stopping cone is more accurate, and the production efficiency is effectively improved.

The invention relates to a multifunctional surgical stripper, which comprises a handle rod and an elastic dial fixedly mounted on the top end of the handle rod, wherein the handle rod and the elasticdial are hollow and communicated. A pulling device for bending the end of the elastic paddle is arranged in the handle rod and the elastic paddle, and a driving device connected with the pulling device is arranged on the handle rod. A brake device is installed on the driving device, and the top end of the elastic paddle is adjusted to the required radian, so that the safety of separation is increased when the tissue is bluntly separated. By adjusting the bending angle and radian of the elastic dial with two first handles, the blood vessel or tissue can be pulled safely, and the surgical fieldaround the blood vessel or tissue can be exposed, and the passage of the endoscopic cutter can be increased, and the damage to the blood vessel or tissue can be reduced.

The invention discloses a medical flat bed and a processing method thereof.The medical flat bed comprises a bed board frame which is mainly used for a supporting structure of a flat bed device, bed head boards are arranged above the bed board frame, and the two sets of bed head boards are arranged in a bilateral symmetry mode about the vertical center line of the bed board frame; the bed board mechanism is arranged on the inner side of the bed board frame, and the bed board mechanism is mainly used for bearing a lying structure of a patient; the supporting mechanisms are arranged at four corners of the lower end of the bed board frame; the controller is mounted at the right end of the bed board frame; the adjusting mechanism is arranged at the lower end of the bed board mechanism and arranged on the inner side of the bed board frame, according to the medical flat bed, the inclination angle of the bed board mechanism can be conveniently adjusted, and the movable bed board mechanism is divided into a multi-section structure of a first movable bed board and a second movable bed board; the first movable bed plate and the second movable bed plate can be subjected to layered angle adjustment, so that the bed plate mechanism can be better attached to the back of a patient.