48results about How to "Stable and reliable clamping force" patented technology

The invention relates to an electric hammer which comprises a shell, a motor, a transmission mechanism, an impacting assembly, a striking piece and a clamping mechanism, wherein the motor is vertically arranged in the shell; the transmission mechanism is used for converting rotary motions of the motor into impacting motions to the striking piece through bevel gear transmission and the impacting assembly; the impacting assembly comprises an impacting block in contact with an impacted part of the striking piece; the clamping mechanism comprises a sleeve, clamping pieces and an offsetting device; and the sleeve is used for driving the clamping piece to move between an opening position and a closing position. The electric hammer also comprises a holding part and a striking device formed by forwards protruding, wherein the striking device comprises a striking piece capable of linearly striking on a nail or other elements back and forth; and the striking device also comprises a clamping mechanism used for clamping the nail and other elements. The electric hammer has the advantages of compact structure and convenient operation and can be used for better clamping nails or other elements so as to prevent the nails or other elements from being deflected.

The invention discloses a flexible hinge and floating frame matched clamping and positioning device for an optical component. A flexible hinge and a floating frame are matched to be used for clamping and positioning the optical component, so that a large-caliber optical component is provided with the low-stress-strain reliable clamping capacity in the horizontal plane, moreover, the floating frame and two-dimensional large stroke are in flexible connection, so that the parallelism between the optical element surface and the work table plane is guaranteed. The flexible hinge is fixedly connected with a crystal frame, connection lugs are fixed on the crystal frame, positioning blocks are fixed in the crystal frame, and the optical component is disposed in the crystal frame integrally and positioned through the positioning blocks. Locking blocks are fixed in the crystal frame, first positioning screws are screwed in the locking blocks, and the optical component is pre-clamped and fixed between the first positioning screws and the positioning blocks. Compression blocks are fixedly connected with the crystal frame, and the optical component is compressed and fixed vertically through the compression blocks. Spherical hinge studs are fixedly connected with connection lugs and are in contact with air floating pads. The device is used for clamping and positioning of optical elements during micro-defect rapid searching and repairing.

The invention relates to a clamping device, in particular to a clamping device for clamping a long tubular workpiece during quenching treatment. The device comprises a rotatably supported hollow main shaft; a support sleeve coaxially sleeved on the hollow main shaft and axially fixedly connected with it; a double-acting cylinder, which is rotatably supported relative to the support sleeve; a sliding sleeve, the inner surface of the sliding sleeve is slidably supported on the outer peripheral surface of the supporting sleeve; a crank plate, the crank plate is hingedly connected with the ends of the supporting sleeve and the sliding sleeve respectively; Jaws fixedly connected to the crank plate.

The invention relates to a cake type coil fixture and particularly relates to process equipment for winding a transformer coil, belonging to the technical field of winding and manufacturing of transformer coils. The invention adopts the technical scheme that the cake type coil fixture comprises a handle (1), a screw rod (2), a sliding clamping plate (3), a basic body (4) and a thermoplastic rubber sleeve (5), wherein the handle is connected with the screw rod; the screw rod is arranged in the basic body; a rail groove (6) parallel to the screw rod is arranged in the lateral surface of the basic body; a screw rod nut (7) in the basic body is connected with the sliding clamping plate; the sliding clamping plate is perpendicular to the screw rod and extends out of the rail groove; a substrate (8) is arranged at the bottom of the basic body and is perpendicular to the basic body; a plane of the substrate is parallel to a clamping surface of the sliding clamping plate; and the thermoplastic rubber sleeve is arranged on the sliding clamping plate. According to the cake type coil fixture disclosed by the invention, the protection for an insulating layer of a lead is facilitated; the coilis enabled to become attractive; the phenomenon that a rivet or a screw is easy to fall off during use is completely eliminated; and quality problems and potential safety hazards generated by fallingof scrap iron are eliminated. The cake type coil fixture disclosed by the invention has the advantages of long service life, low manufacturing cost and stable and reliable clamping force.

The invention relates to a disassembly and assembly tool for optical fiber connectors. The disassembly and assembly tool comprises a base, at least one vertical column, a cross beam, a detector and a detection terminal; at least four adjusting bolts are arranged on the lower surface of the base, and a detection platform is arranged on the upper surface of the base; the tail end of the vertical column is perpendicularly connected to the edge position of the upper surface of the base; the tail end of the cross beam is arranged outside the vertical column in a sleeving mode and is connected to the vertical column in a sliding mode, the front end of the cross beam is hinged to the detector through a locating pin, and the cross beam comprises a rod body, a connecting ratchet wheel and an organ type protection cover; the detection terminal is installed right below the detector, is connected to the detector and comprises a test end, a fixed threaded sleeve, a ceramic locating rod and a test head, wherein the top end of the test end is connected to the detector, and the tail end of the test end is connected to the top end of the fixed threaded sleeve. According to the disassembly and assembly tool, the work efficiency and the work quality of the focal distance detection work of the optical fiber connectors can be improved effectively, the replacement efficiency of parts of detection equipment can be improved effectively, the service life of the parts of the detection equipment can be prolonged effectively, and the detection cost can be lowered.

A water conservancy construction plugging cover removal device disclosed by the present invention includes a fixed block, on which a power device for driving the entire equipment is provided, and a turntable is arranged on the right side of the fixed block, and the turntable is rotatably connected with a Rotating ring, four fixing devices for fixing the equipment in the soil are distributed in a circular array on the rotating ring, an air delivery device for transmitting air flow is provided on the left end surface of the turntable, and an air delivery device is provided on the right end surface of the turntable There are four clamping devices for clamping and fixing the blocking cover in the upper circumferential array, and the clamping device is provided with a locking device for locking the lifting rod. The four clamping devices of the present invention are all controlled by gas The drive can realize the flexible clamping of the sealing cover, and at the same time realize the automatic disassembly of the sealing cover, reduce the work intensity of workers, and can automatically control the clamping force to achieve reliable clamping and fixing, reducing the difficulty of disassembly.