16results about How to "Precise displacement control" patented technology

The utility model discloses a drilling positioning tool for machining mechanical equipment spare and accessory parts, and relates to the technical field of drilling positioning equipment, the drilling positioning tool comprises a mounting frame and a mounting rack, the inner wall of the mounting frame is fixedly provided with a servo motor, the side edge of the mounting frame is fixedly provided with a fixing block, the periphery of the fixing block is clamped with a U-shaped plate, and the U-shaped plate is fixedly connected with the mounting rack. A supporting frame is fixedly connected to the surface of the lower end of the U-shaped plate, and a positioning and clamping assembly is connected to the mounting frame. A quick disassembly and assembly mechanism is connected between the fixed block and the U-shaped plate; according to the utility model, the quick disassembly and assembly mechanism is arranged between the fixed block and the U-shaped plate, so that quick disassembly and assembly of the U-shaped plate and the fixed block are realized. During mounting, the U-shaped plate is clamped on the periphery of the fixed block, and the limiting insertion rod can be automatically inserted into the limiting insertion hole under the cooperation of the reciprocating component, so that stable connection is completed; during dismounting, the limiting insertion rod is pulled out of the limiting insertion hole by operating the reciprocating part, and then the U-shaped plate can be rapidly taken down.

The utility model discloses an automatic lifting cutting device, which relates to the technical field of optical fiber cutting and particularly comprises an electric lifting execution structure, a tool bit fixing structure and a guide reset structure. The tool bit fixing structure comprises a tool bit bearing platform, a baffle connected with the tool bit bearing platform, a tool bit fixing shaft movably connected with the middle of the top end of the tool bit bearing platform and a displacement sensor connected with one side of the top end of the tool bit bearing platform. The electric lifting executing mechanism comprises a motor mounting plate, an ejector rod movably connected with the motor mounting plate, a second servo motor connected with the motor mounting plate and a ball screw movably connected with the motor mounting plate, and the ejector rod is located below the baffle. According to the automatic lifting cutting device, real-time dynamic adjustment of working coordinates of the tool bit is achieved through the digital control system, intelligent matching of cutting parameters is achieved, and the adaptability and cutting precision of the device to optical fibers of different specifications are improved.

The application discloses a servo cut-off valve group, which comprises a first valve body and a second valve body integrated on a valve seat. Both the valve bodies are provided with valve cavities, and the valve cavities are internally provided with valve spools driven by a servo motor through a screw rod. The valve bodies are provided with outer ring channels communicated with inlet and outlet of the valve seat on the side surfaces, the outer ring channels are communicated with the valve cavities through a plurality of uniformly distributed lateral flow channels, and the inner walls of the valve cavities are further provided with inner ring channels. The longitudinal flow channels at the bottoms of the two valve cavities are communicated with each other through channels in the valve seat. When the two valve spools synchronously rise above the lateral flow channels, fluid can sequentially pass through the flow channels, and the valve is opened; when the two valve spools synchronously descend to completely cover the lateral flow channels, the valve is closed. The two valve cavities are communicated at the bottoms to form a pressure balance cavity, so that the valve spools are hardly subjected to axial thrust when the valve is closed, and high pressure is converted into sealing force in the radial direction of the valve spools, thereby fundamentally solving the high pressure leakage problem of traditional cut-off valves, and the application is especially suitable for high pressure equipment such as filter presses.

The invention relates to the field of rigid non-mooring detection robots, in particular to a non-mooring rigid robot for evaporator inter-tube detection, which comprises a ball screw forward module and electromagnetic steering joint modules, and the electromagnetic steering joint modules are mounted on the front side and the rear side of the ball screw forward module. The ball screw advancing module comprises a micro direct current motor and a sleeve buckle installed on an output shaft of the micro direct current motor, and the sleeve buckle is connected with a screw guide rail through threads. The micro direct current motor is fixedly connected to the movable joint, and the movable joint and the lead screw guide rail are each provided with a limiting mechanism. The limiting mechanism comprises two hinge shafts and two hinge hinges hinged to the two hinge shafts, hinge torsion springs are fixedly connected between the hinge hinges and the hinge shafts, and the two hinge torsion springs drive the two hinge hinges to have the trend of unfolding movement. The inter-tube environment of the evaporator can be effectively traversed, and the inter-tube environment can be detected in real time.

This utility model provides a three-way fire extinguishing device for coal mines, belonging to the field of coal mine production technology. It includes an installation rod with a collar fitted on it. A protruding seat protrudes from the collar, and extinguishing components are symmetrically installed on the protruding seats. Each extinguishing component includes a first guide tube fixed to the protruding seat, and a second guide tube passing through it. Water outlet holes are drilled at the bottom of both the first and second guide tubes. A water inlet pipe is installed on the protruding seat of the collar, and both first guide tubes are connected to the protruding seats. The water inlet pipe is also connected to the interior of the first guide tube. An installation plate is installed at one end of the installation rod. This utility model achieves precise position adjustment through an axial sliding mechanism between the installation rod and the collar, combined with a servo motor-driven lead screw rotation transmission method. When different fire sources need to be covered, precise displacement control of the collar on the installation rod can be achieved, avoiding the errors and efficiency losses of traditional manual adjustment.

The utility model provides an auxiliary tool for narrow space of airplane standard interface real bullet ground joint test belongs to the technical field of detecting missile, including support frame, it is the shape structure card in the suspension bracket side, namely the support plate of forming the corner end in two sides, two support plates are parallel to each other, threaded hole, it is vertically through setting on one of support plates, threaded rod, it is in threaded hole cooperation rotation is equipped, when threaded rod moves up and down, can touch the spring pin on the suspension bracket and resist into the suspension bracket, the utility model discloses can clamp the tool in the narrow space on the suspension bracket, thereby can press the spring pin into the suspension bracket, further can realize the detection after the need not to transport the missile to the suspension point area and hang.

The utility model discloses a lifting mechanism of a three-station pad gummed paper board placing machine, which relates to the technical field of lifting of board placing machines, and comprises a side plate, a mounting seat, a lifting mechanism, a lifting mechanism, a driving mechanism and a driving mechanism, the mounting seat is fixedly connected to the outer wall of one side of the side plate, and the outer wall of one side of the mounting seat is fixedly connected with a motor for providing a power source for the lifting mechanism; the circumferential outer wall of the threaded lead screw is in threaded connection with a threaded sleeve, the outer wall of one side of the threaded sleeve is fixedly connected with a mounting plate, and one side of the mounting plate is fixedly connected with a supporting plate; according to the utility model, the stability of power transmission is ensured through helical gear transmission, meanwhile, accurate displacement control is realized through a screw-nut pair, the perpendicularity of lifting of the supporting plate is ensured through a double-guide structure, and safe limiting is completed through a magnetic switch; therefore, accurate and stable lifting of the film tray in the three-station adhesive paper padding and placing machine is achieved.

The application relates to a permanent magnet magnetic force testing device and a testing method, which can simulate the magnetic force change of a permanent magnet under different transverse distances, longitudinal distances and pitch angles, and make up for the deficiency that an existing device can only measure a directly opposite position; through cooperation of a multidirectional guide rail and a rotating structure, flexible adjustment of a second permanent magnet in X-axis, Y-axis and Z-axis rotating angle directions is realized, and the requirement of multi-degree-of-freedom magnetic force testing is met; a force gauge is coaxially arranged with a first permanent magnet, an extension rod and an abutting disc are arranged, the linearity and stability of magnetic force transmission are ensured, and the measurement accuracy is improved; through cooperation design of a stop ring and the abutting disc, the device simultaneously has repulsion and suction force testing capabilities, and the measurement accuracy and application range are improved; the device is simple to operate, convenient and accurate to adjust, can record the magnetic force change in real time and draw a curve, and provides reliable data support for magnetic force characteristic research and structure optimization design in the fields of generators, magnetic bearings, magnetic suspension systems and the like.

The utility model discloses an O-shaped ring feeding detection mechanism for sensor assembly, which comprises a vertical frame and a CCD visual detector, the top of the vertical frame is connected with a transverse frame, the transverse frame is connected with an X-axis servo screw rod linear module, an X-axis moving sliding table on the X-axis servo screw rod linear module is provided with a fixing plate, the fixing plate is connected with a Z-axis servo screw rod linear module, and the Z-axis moving sliding table is provided with a Z-axis servo screw rod linear module. A mounting frame is arranged on a Z-axis moving sliding table of the Z-axis servo lead screw linear module, a pre-pressing assembly is arranged on the mounting frame, a CCD visual detector is arranged on the surface of the fixing plate, rapid and accurate displacement control can be achieved through the X-axis servo lead screw linear module and the Z-axis servo lead screw linear module, in the O-shaped ring pressing link, the pre-pressing assembly can be rapidly moved to a designated position, and the pressing efficiency of the O-shaped ring is improved. The CCD visual detector can accurately judge whether the O-shaped ring is installed in place or not by analyzing the image of the O-shaped ring, and can detect whether the O-shaped ring has tiny defects such as deformation and damage or not, so that the detection speed is greatly improved, and the waiting time in the production process is shortened.

The utility model provides a kind of gear traction's coating die head wiping assembly and cleaning device, including guide rail, sliding block, mounting bracket, stepping motor, driving gear, transmission gear, elastic round plate and wiping component, guide rail is fixed on coating die head, sliding block is slidably connected with guide rail, mounting bracket is fixed on sliding block, stepping motor is fixed on mounting bracket, driving gear is fixed on the power output end of stepping motor, transmission gear is rotatably installed on mounting bracket and is engaged with driving gear, elastic round plate is fixed on transmission gear and outer periphery is in contact with coating die head surface, wiping component is installed on mounting bracket and wiping end is in contact with coating lip. The advantage of the design is: abandon traditional traction rope traction mode, adopt gear traction, avoid the problem caused by the length change of traction rope, improve transmission stability;Select stepping motor, realize more accurate displacement control, ensure the position accuracy of wiping component each time cleaning, improve cleaning quality.

This invention relates to a car massage device based on a release and collapse mechanism, comprising a base and a massage assembly. The massage assembly includes a massage arm, a kneading base, and a collapse mechanism. The kneading base is rotatably connected to the base, and a kneading shaft is rotatably mounted on the kneading base. The massage arm is mounted on the kneading shaft. The collapse mechanism includes an elastic element and a latching component for locking or unlocking the sliding of the lifting base on the base. Both ends of the elastic element are connected to the base and the kneading base, respectively. Using this technical solution, the invention achieves stable support for the massage arm during normal massage by locking the latching component in cooperation with the elastic element. When subjected to abnormal pressure exceeding the pre-tension of the elastic element, an external force acts on the massage arm, causing the kneading base supporting the massage arm to rotate around the base, and the latching component unlocks. The striking shaft is then pushed by the massage arm and connecting rod, causing the lifting base to slide and collapse.

The utility model provides a kind of lockset lock piece detection device, detection device includes carousel, detection station, detection frame and detection assembly, carousel includes movable outer disc and fixed inner disc, and detection station is equipped on movable outer disc, and detection fixture is installed on detection station, and detection frame is set at fixed inner disc corresponding detection station, and detection assembly is set on detection frame, and detection assembly includes test mechanism lifting cylinder, electric cylinder, force sensor, buffer limiting device and connecting piece, and the synergic cooperation of carousel, detection station, detection frame and detection assembly realizes the automatic detection to lockset lock piece, effectively improves detection efficiency and accuracy, reduces artificial detection cost and error.

The utility model relates to the technical field of end face flat-grinding chamfering machines, in particular to a supporting plate moving structure of an end face flat-grinding chamfering machine, which comprises a mounting supporting plate. The upper end of the translation guide assembly is connected with the mounting supporting plate, and the translation guide assembly is mounted on a base; the driving assembly is connected with the translation guide assembly, and the driving assembly drives the translation guide assembly to move horizontally; and the dustproof assembly is mounted between the translation guide assembly and the base. The moving distance of the tray can be accurately adjusted, and the machining precision of workpieces is improved.

This utility model provides a rapidly installable integrated prefabricated pumping station, relating to the field of pumping station installation technology. It includes: a pumping station body; a mounting frame movably connected to the lower end of the pumping station body; four sliding grooves on the mounting frame; a first movable block, a second movable block, a third movable block, and a fourth movable block movably connected to one side of the inner wall of each groove; a movable component movably connected to the lower end of one side of the first movable block; a rotating block movably connected to the side of the movable component away from the first movable block; and a fixed column movably connected to one side of the inner wall of the rotating block. The fixed column has a limit groove. This utility model solves the problem that existing pumping station installations rely on manual measurement and adjustment, which not only affects equipment operating efficiency but also leads to accelerated pump wear and shortened service life.

The utility model provides a kind of blast hole opener, comprising: base subassembly and setting subassembly, the upper side surface of base subassembly is equipped with setting subassembly, base subassembly includes;Bottom box, universal wheel, handle, baffle, lifting plate, electric push rod and box door, the lower side surface of bottom box is equipped with universal wheel with self-locking structure, the upper side surface of bottom box is equipped with lifting plate by electric push rod, the inside of bottom box is equipped with baffle, the outside surface of bottom box is equipped with box door, setting subassembly includes: bottom plate one, vertical board one, vertical board two, sliding rod, conveying part, sliding block, bottom plate two, fixed part and puncher, compared with prior art, the utility model has the beneficial effects as follows: by setting setting subassembly, when using, conveying part can realize the accurate displacement control of puncher, ensure the distance accuracy of blast hole, can accurately set blast hole according to design requirement, improve the reliability of blasting effect.

The movable grape trellis leisure tent comprises a tent frame, an arc-shaped frame is arranged at the top end of the tent frame, a protection device is installed on the outer side of the tent frame, a clamping device is arranged on the outer side of the arc-shaped frame and the outer side of the tent frame, and the clamping device comprises a connecting sleeve, a control sleeve, a connecting rod, an adaptive plate, an adaptive groove, a supporting block, a matching plate and a matching groove. The adapting groove is formed in the outer side of the connecting rod, the supporting block is connected to one side of the matching plate, the matching groove is formed in the control sleeve, a clamping and fixing mechanism is arranged on the outer side of the connecting sleeve and comprises a linkage block, an arc-shaped rod, a linkage spring, a fixing block, a reset plate, a reset sleeve, a reset groove, a longitudinal plate, a clamping plate and a linkage hole, and the linkage spring is arranged on the outer side of the arc-shaped rod in a sleeving mode. By means of the anti-loosening device, the problem that a traditional device is single in function is solved, and the operation convenience and structural stability of the device are remarkably improved through a convenient disassembly and assembly system and a reliable anti-loosening mechanism.