1559results about How to "Large clamping force" patented technology

A manipulator has a working unit in which when at least a first end effector finger and a second end effector finger are maximally closed on each other, at least the distance between a third joint axis and a first joint axis is greater than the distance between the first joint axis and a distal end of the second end effector finger, or the distance between the third joint axis and the first joint axis is greater than the distance between third joint axis and a second joint axis, or the angle formed between a direction from the third joint axis to the first joint axis and a direction from the third joint axis to the second joint axis is not π.

The present invention relates to an electrostatic chuck comprising a specific composite oxide sintered body, wherein in the sintered body, an L* value of a reflected color tone measured by a C light source on a 2° angle visual field condition is 10 or more and 50 or less in a CIEL*a*b* color system prescribed in JIS Z 8729-1994 and an electrostatic chuck device comprising an electrostatic chuck member (A) having a tabular body provided with a clamping surface for clamping a sample by the electrostatic force, an internal electrode layer for clamping a sample by electrostatic force which is provided on the back face of the tabular body and an insulation layer, wherein at least the sample clamping surface of the tabular body in the electrostatic chuck member (A) comprises the composite oxide sintered body constituting the electrostatic chuck described above.

The invention discloses a micro instrument terminal based on module joints and used for a minimally invasive surgery robot. The micro instrument terminal comprises a rotary module of a first four-bar mechanism consisting of a module top end part, a module bottom end part, a lower support and first left and right connection pieces, and a rotary module of a second four-bar mechanism consisting of amodule top end part, a rotary connection shaft, an upper support and second left and right connection pieces; two ends of a first steel wire rope are connected with the top surfaces of the module topend parts, and the other two ends of the first steel wire rope are sequentially connected with a first rotary actuating device through the module bottom end part; two ends of a second steel wire ropeare connected with a rotary connecting shaft, and the other two ends of the second steel wire rope are sequentially connected with the first rotary actuating device through the module top end parts and the module bottom end part; and the upper part of the rotary connecting shaft is inserted into the central hole of a rotary rod and is in clearance and running fit with the rotary rod, and the rotary rod is connected with a surgery apparatus. Complex surgery can be more flexibly completed by adopting the device.

The measurement transducer includes a transducer housing, which exhibits a plurality of natural oscillation modes, as well as at least one first flow tube held oscillatably in the transducer housing, vibrating at least at times, and conveying at least a portion of the medium to be measured. Additionally, the measurement transducer includes an electromechanical, especially electrodynamic, exciter arrangement acting on the at least one flow tube for producing and/or maintaining mechanical oscillations of the at least one flow tube, and a sensor arrangement reacting to movements of the flow tube, especially bending oscillations, for producing at least one oscillation measurement signal representing oscillations of the flow tube. Additionally, for improving the oscillation properties and, consequently, also the measurement accuracy of the measurement transducer, at least three coupling elements are provided for connecting the first and second flow tubes together at the inlet end, as well as at least three coupling elements for connecting the first and second flow tubes together at the outlet end. By using at least six coupling elements, it is possible to produce vibration-type measurement transducers of high measuring accuracy even at large nominal diameters of more than 150 mm, especially also while largely maintaining already established and proven forms of construction.

The invention discloses a clamping mechanism which comprises a shell and an oil cylinder installed in the shell, wherein clamping blocks are distributed in the front part of the shell in bilateral symmetry; and the inner side surfaces of the front half parts of the clamping blocks are inner concave surfaces. The clamping mechanism is characterized in that a cylinder barrel of the oil cylinder is centered at the rear part of the shell; the front end of a piston rod of the oil cylinder is articulated with a connecting plate; the left part and the right part of the connecting plate are respectively articulated with the rear ends of the clamping blocks; the front part of at least one cover plate of the shell is symmetrically provided with guide grooves left and right; guide pins are arranged in the middle parts of the two clamping blocks and inserted into the guide grooves; fixed blocks are clamped and fixed in the middle parts of the front ends of the two cover plates, and the normal lineof the surfaces of the front parts of the inner concave surfaces of the two clamping blocks are inclined to the directions of the fixed blocks. The invention has simple structure, high strength and large clamping force and can be suitable for different pipe columns with the external diameter range of 3.5-9.75 inches without replacing the clamping mechanism, and the clamping mechanism can not interfere with the adjacent pipe column during working.

The invention discloses a steel wire rope tensile fixture and a horizontal steel wire rope tensile testing machine thereof. The steel wire rope tensile fixture comprises frame bodies, wedged sliding plates and friction blocks which are arranged symmetrically, wherein each frame body comprises two vertical plates of which the inner surfaces are arranged by forming an included angle alpha; the inclination angle of each wedged sliding plate is matched with the included angle alpha; the inner surface of each wedge sliding plate is connected with each friction block through a vertical dovetail groove structure; the included angle alpha is more than or equal to 13 degrees and less than or equal to 23 degrees; and the width L of each friction block is 190-340 millimeters. The horizontal steel wire rope tensile testing machine comprises a pressure sensor, a power device, a fixed steel wire rope tensile fixture and a movable steel wire rope tensile fixture, wherein the pressure sensor is arranged horizontally; the fixed steel wire rope tensile fixture comprises an upper fixture; and the power device is connected with the movable steel wire rope tensile fixture through a pull rod. The horizontal steel wire rope tensile testing machine has a simple structure, and is convenient to operate; the horizontal steel wire rope tensile testing machine is only required to be fixed on the ground, and the operation of the entire test process can be completed by one person, so that the labor intensity of detection test can be reduced greatly; and compared with the conventional testing machine, the horizontal steel wire rope tensile testing machine has the advantages of energy-saving test process, safety, environmental friendliness, mobility, low manufacturing cost and low test cost.

The invention discloses an insulator sweeping and detecting robot for a high-voltage power transmission line. The robot comprises an annular frame and a control box; the annular frame is capable of being opened towards the two sides around a rotating shaft and comprises an upper layer bracket, a lower layer bracket and a middle layer bracket, wherein the upper layer bracket and the lower layer bracket are fixedly connected through a plurality of auxiliary brackets; the middle layer bracket is capable of moving up and down through a sweeping layer elevating mechanism; the upper layer bracket is provided with an upper clamping jaw for clamping an insulator; a detecting device is arranged on the upper clamping jaw; the middle layer bracket is provided with a sweeping device and an auxiliary clamping jaw which is used for clamping the skirt section of the insulator; a lower clamping jaw capable of moving up and down through a clamping jaw layer elevating mechanism is also arranged between the upper layer bracket and the lower layer bracket; the annular frame opposite to the rotating shaft is provided with a locking mechanism for locking the closed state of the annular frame; a power supply and a controller which is used for controlling the running and action sequence of a rotating mechanism and a servo motor are arranged inside the control box. The insulator sweeping and detecting robot disclosed by the invention is compact in structure, good in adaptablity, complete in sweeping, high in load capacity and applicable to hot-line sweeping and detection of horizontal and suspension insulator strings.

An image forming apparatus is provided. The image forming apparatus includes a plurality of detachable unit components and a frame assembly to hold the detachable unit components in predetermined positions in the image forming apparatus. The frame assembly includes a pair of metal frames and a pair of resin frames, each of which is attached to one of the metal frames. Each of the metal frames includes a first positioning structure, which corresponds to an original point of the metal frame, a first fixing structure, a second positioning structure, wherein each of the resin frames includes, a first positioning structure, which corresponds to an original point of the resin frame, a fixing structure, a second positioning structure, and a plurality of pressing pieces, by which the resin frame is pressed against one of the metal frame.

The invention relates to the field of electric equipment, in particular to a cable fixing head. The cable fixing head comprises a nut, a waterproof ring, a tightening nut and a tubular body with outer threads. A clamping claw with gaps, which extends along the axial direction of the body, is disposed at a clamp end of the body. A fixed protrusion extending outwards is disposed on the outer periphery of the body. The nut is matched with a fixed end of the body. Positioning protrusions are disposed on the inner side of the clamping claw. A limit groove which opens towards the positioning protrusions is arranged on the inner wall of the body. Positioning grooves which are matched with the positioning protrusions are arranged at one end of the waterproof ring. The other end of the waterproof ring is inserted into the limit groove. The tightening nut is tightened at the clamp end of the body. The waterproof ring can be prevented from being pushed out by a cable, the water ring is less prone to deformation, and accordingly spacing between the waterproof ring and the body is avoided so as to improve airtightness between the waterproof ring and the body, dust, moisture and the like are prevented from entering a box, and stability of electric equipment elements in the box is improved.

The invention discloses a packing device of a battery packaging line. The packing device comprises a frame, a packing container conveying device, a container press device, a battery clamping handling device and a sorting platform. The container press device comprises a press frame, a packing opening is formed in the middle of the press frame, press plates are arranged on the edge of the packing opening, and the press frame is driven through a press frame lifting device; the sorting platform is used for temporarily storing and sorting a well arrayed battery pack; the battery clamping handling device comprises a sliding base which is driven through a driving device; a clamping base is vertically slidably mounted on the sliding base is driven through a clamping component and the lifting device; a plurality of mounting blocks are horizontally and slidably mounted at the bottom of the clamping seat, and each mounting block is provided with a detachable clamping jaw; the mounting blocks are driven to be connected through clamping jaw driving device. By the arrangement, the well arrayed batteries can be sorted through the packing device, then the sorted batteries are clamped to be packed accurately, and stable and normal operation of a battery packing line can be guaranteed.

The invention aims to provide an electronic parking brake system which can be controlled simply and reliably and has a control method of an assistant hill starting function. The electronic parking brake system comprises a control unit and a brake motor which is controlled by the control unit and the signal input end of the control unit is connected with a throttle opening sensor, a clutch sensor, an engine rotating speed sensor, a current sensor of the brake motor, a hand brake switch and a hill start switch; the brake motor drives a turbine worm to rotate through a driving mechanism; the turbine worm is sleeved with a screw rod, and the end part of the screw rod is fixed with a friction plate. The electronic parking brake system has the advantages of greatly reducing the operational difficulty of a driver and improving the driving and operating comfort and convenience, along with low cost, simple structure, reliable control method, basic function of the traditional hand brake and assistant hill start function.

A system for fastening a rail on a substrate includes a base plate, molded into which is a central portion, the width of which is adapted to the width of the rail foot of the rail to be fastened, with at least one fastening element for connecting the base plate to the substrate. The at least one tensioning element is provided for holding down the rail on the base plate. The system provides a fastening system allowing fastening of rails that satisfies modern requirements with the additional benefit of low production costs and simple assembly, while maintaining the basic configuration of the base plate provided and using simple means.