35results about How to "Stable and reliable clamping" patented technology

An electric clamping jaw comprises a driving part and a clamping jaw body; the clamping jaw body is mounted on the bottom of the driving part and comprises a first clamping jaw and a second clamping jaw; the first clamping jaw and the second clamping jaw are both connected with a driving mechanism, and the clamping jaw body is provided with a slippage detection sensing system and a deformation sensing system; and according to the electric clamping jaw, clamping force can be automatically calculated and adjusted.

A flexible tool for assembling a row-line chuck type wall board comprises a guide rail base, an X-direction driving unit and an upright post shape-adjusting assembly unit, wherein the guide rail base is fixedly connected to the ground; the upright post shape-adjusting assembly unit is arranged on two X-direction linear guide rails of the guide rail base and can move along the X-direction linear guide rails; and the X-direction driving unit is positioned between the bottom of the upright post shape-adjusting assembly unit and the guide rail base, is fixedly connected with the guide rail base and is connected with the bottom of the upright post shape-adjusting assembly unit. According to the flexible tool disclosed by the invention, aircraft panel assemblies are adsorbed, clamped and digitally positioned by a dot matrix vacuum chuck and stability and reliability in clamping and positioning and high positioning precision are obtained; and the digitalized positioning and drilling and riveting assembly of different wall board assemblies can be realized by reconfiguration through the dot matrix chuck of the tool. The flexible tool has higher practical value and broad application prospect in the fields of mechanical engineering/aircraft assembly.

The invention provides an automatic welding production line for wire coils. The production line comprises a feeding and conveying mechanism, a pressing and positioning mechanism, a transferring manipulator, a welding manipulator, a discharging and conveying mechanism and a control mechanism in signal connection with the feeding and conveying mechanism, the pressing and positioning mechanism, the transferring manipulator and the welding manipulator. The production line is simple in structure, high in welding speed and high in welding quality stability, the phenomenon that welding of welded junctions is not uniform because of manual welding can be effectively avoided, and therefore welding efficiency, welding precision and welding quality of the wire coils can be improved. The invention further provides an automatic welding method for the wire coils. The method includes a feeding procedure, a transferring and positioning procedure, a welding procedure and a discharging procedure which are all performed in sequence, wherein in the transferring and positioning procedure, the transferring manipulator is controlled to clamp, move and overturn the wire coils, meanwhile, the pressing and positioning mechanism is used for pressing, positioning and rotating the wire coils, and the welding procedure starts. The method can be used for solving the problem that the automation degree in the current welding industry is low.

A clamp apparatus including two pairs of first and second clamp arms, which are supported rotatably with respect to a body and are disposed mutually in parallel. First and second cam members including respective cam surfaces are provided on ends of the first and second clamp arms. The first cam members are pressed by rollers upon lowering of a block body under a driving action of a first cylinder that makes up a drive unit. The first clamp arms are rotated to assume a clamped state. The second cam members are pressed by rollers upon lowering of a block body under a driving action of a second cylinder of the drive unit, whereby the second clamp arms are rotated to assume a clamped state.

The invention provides a robot gripper driven by a gear. The robot gripper driven by the gear is connected with a moving section of a robot. The robot gripper comprises a bracket, a gear drive device, a driving device and at least two moving rods, wherein the bracket is connected with the moving section of the robot; the gear drive device is erected on the bracket; the driving device is connected with the gear drive device; the moving rods are connected with the gear drive device; each of the moving rods can carry out opening and closing movements. The robot gripper driven by the gear, which is provided by the invention, is simple in structure, high in universality, high in flexibility, strong in clamping force and quick in gripping speed, and the quick gripping of a workpiece and the firm clamping of the workpiece in the process that the robot moves quickly can be realized, so as to effectively solve the problem of matching the gripper with the workpiece, decrease production cost and manufacturing cost, and improve production efficiency.

The invention provides test-piece clamping pincers for CTOD testing. The test-piece clamping pincers comprise a supporting frame, two sets of main pincers and two sets of auxiliary pincers. The supporting frame is an H-shaped member, and connecting rods arranged oppositely are arranged on the two sides of the supporting frame. The two connecting rods are connected through a middle rod. The connecting rods are arranged in parallel. Each set of main pincers is composed of two main pincers assemblies. Each set of auxiliary pincers is composed of two auxiliary pincers assemblies. Each main pincers assembly comprises a pincers handle, an adjusting rod, a large crutch, a pincers foot and a first pressing spring, all of which are connected in sequence. Each auxiliary pincers assembly is composed of a pincers crutch, a lengthening rod, a small crutch, a pincers claw and a second pressing spring, all of which are connected in sequence. Accordingly, the test-piece clamping pincers are safe, reliable and easy to use, the situation that when a medium or large test-piece is tested, due to falling of the test-piece, accidents are caused, or cooling liquid splashes, and operators are injured can be effectively avoided, and the safety of testing is improved.

The invention discloses a large-ring-gear externally-expanded type efficient gear shaping clamp which comprises a base and a body arranged on the base. A connection disk, an expansion sleeve and a support are sequentially arranged on the inner side of the body from bottom to top. The base is fixedly connected with a machine tool table. Compared with a three-jaw chuck and manual clamping, the large-ring-gear externally-expanded type efficient gear shaping clamp is constant in clamping force, the clamping process is stable and reliable, and parts are not prone to deforming; the large-ring-gear externally-expanded type efficient gear shaping clamp is suitable for gear shaping machines of various specifications by replacing the base and a connection rod, and the large-ring-gear externally-expanded type efficient gear shaping clamp is suitable for parts of different size series by replacing the expansion sleeve and the support. The support can be designed of a petal type toothed structure and is paired with a chute arranged on the body, the chip removing speed is increased, and accumulated scrap iron is effectively prevented from affecting machining. The clamp is relatively simple in whole structure and convenient to manufacture, and an adjustment space is reserved for insufficient manufacturing and assembling precision. The clamp can be arranged as a whole or parts of the clamp are sequentially arranged, and the parts can be conveniently detected and replaced.

The invention provides a fairing clamp. The clamp comprises a base plate and a plurality of clamping units uniformly distributed on the base plate, each clamping unit comprises a clamping part which is driven by a connecting rod assembly to move and locate; a sleeve part is arranged at the free end of the connecting rod assembly, and inner threads are arranged on the sleeve part; and the clampingpart comprises a clamping bolt and a pressing block which are arranged up and down and fixed by welding, the clamping bolt is in threaded fit with the sleeve part and is fixed by fastening a nut, andthe pressing block abuts against the lower edge of the fairing. The clamp is provided with the plurality of clamping units, the plurality of clamping units are matched to realize the clamping and fixation of the lower edge of the fairing, the plurality of clamping units are independent to one another and have a same structure, each clamping unit can realize the clamping with different or identicalstrength of the lower edge of the fairing through the cooperation of the connecting rod assembly and the clamping part, the clamping units can be applied to clamping fairings with different specifications and sizes, and the universality is high.

The invention relates to a hydraulic and pneumatic combined clamping device for machining a shell, which comprises a base and four pairs of hydraulic cylinders, wherein the base has a reversed T-shaped structure and is formed by a bottom transverse base plate and a strut arranged on the base plate; the four pairs of hydraulic cylinders are arranged on the left and right two sides of the strut symmetrically two by two; and the four pair of hydraulic cylinders on the left and right two sides of the strut and an upper limiting plate and a lower limiting plate form four clamping areas for clamping a workpiece. In the invention, the vertical tower structure which is symmetric about an X-axis and a Y-axis along the Z axis of the base of the hydraulic and pneumatic combined clamping device for machining the shell is formed, the loading and clamping are stable and reliable, a hydraulic pressure self-locking function is realized, the stress on the workpiece is uniform, and the machining reliability is ensured completely; and the connection of an air path and an air path is reliable, gentle and free from leakage, the positioning precision is high, the synchronous automatic machining of multiple horizontal processing centers can be realized, the interchangeability is high, the workpiece is mounted and clamped in a stream manner, the production efficiency is improved, and the quality of the product is guaranteed.

The invention relates to a special workpiece fixing device for boring, which includes a workbench. A horizontal positioning screw is respectively installed on the left and right sides of the workbench. A group of longitudinal positioning screws are installed on the front side of the workbench. The horizontal positioning screw and the longitudinal positioning screw A workpiece processing area is formed on the workbench between the screws, and a pressing plate positioned above the workpiece processing area is installed on the rear side of the workbench, and the pressing plate is formed with through holes for boring. The invention is a special workpiece fixing device for boring with simple structure, scientific design and strong practicability. Using this device saves clamping time and improves processing accuracy. One clamp can process two kinds of parts, and the dimensions of the processed parts The accuracy has reached the requirements of the drawings, and the work efficiency has been increased by more than two times.

The invention relates to rope gripping member for a rope gripping device, the rope gripping member comprising an elongated rope gripping face for being pressed against an elongated side face of an end section of a rope, the elongated rope gripping face having a longitudinal direction and a front edge and a rear edge; wherein tensile stiffness of the rope gripping member in longitudinal direction of the gripping face increases non-linearly with accelerating rate from the front edge towards the rear edge of the gripping face. The invention also relates to a rope gripping device, a rope terminal arrangement and a hoisting apparatus implementing the rope gripping member.

The invention discloses a plastic-coated pipeline carrying hanger, comprising a first clamping arm and a second clamping arm which are both in an L shape. The first clamping arm and the second clamping arm are each provided with a connecting arm and a clamping arm; the connecting arms of the first clamping arm and the second clamping arm are mutually crossed and hinged together; the ends of the clamping arms face downwards; L-shaped bent openings of the first clamping arm and the second clamping arm are obliquely arranged downwards; connecting rods are hinged to the outer ends of the connecting arms of the first clamping arm and the second clamping arm, respectively; one ends of the connecting rods are hinged to the corresponding connecting arms, and the other ends are hinged to each other; and a hanging ring is arranged at the hinged position of the connecting rods. A first clamping block and a second clamping block are arranged on the clamping arms of the first clamping arm and the second clamping arm, respectively; and the first clamping block and the second clamping block are distributed up and down to form a V-shaped opening. The plastic-coated pipeline carrying hanger is usedfor clamping and grabbing a plastic-coated pipe when the plastic-coated pipe is carried, and then the plastic-coated pipe is transferred.

The invention relates to the field of electric power metering facilities, and particularly discloses an intelligent fault monitoring system for a 10 kV overhead line. The intelligent fault monitoringsystem for the 10 kV overhead line comprises a fault alarm which can be fixed to the line and has a GPS positioning function. A data acquisition and processing unit electrically connected with the line and a wireless transmitting-receiving unit connected with the data acquisition and processing unit are arranged in the fault alarm. The fault alarm comprises a bottom shell, an upper clamping head and a lower clamping head, an upper arc-shaped groove is formed in the lower surface of an cross arm of the upper clamping head, a current-conducting plate is arranged on the lower clamping head, and alower arc-shaped groove is formed in the upper surface of the current-conducting plate. When the fault alarm is installed, a line cable is clamped and fixed to the line through the upper arc-shaped groove of the upper clamping head and the lower arc-shaped groove of the lower clamping head, and the data acquisition and processing unit is connected with the current-conducting plate through an electric wire for completing monitoring of the line. The fault alarm of the monitoring system can be conveniently installed on the overhead line.

The invention discloses a clamping device applied to a flow guiding hood. The clamping device applied to the flow guiding hood comprises a chassis and a plurality of clamping units evenly distributedon the chassis. E ach clamping unit comprises a clamping part driven by a connecting rod assembly to move and conduct positioning, and comprises two obtuse-angle plates, wherein three vertexes of thetwo obtuse-angle plates are fixedly connected through connecting shafts, the connecting shafts located on the two sides are each provided with a rolling wheel, the connecting shaft located in the middle is rotatably connected with the free end of the connecting rod assembly, and the rolling wheels are connected with the outer side face of the flow guiding hood in an abutting manner. The clamping device is provided with the multiple clamping units, the outer side face of the flow guiding hood can be clamped and fixed through cooperation of the multiple clamping units, the multiple clamping units are independent and have the same structure, and each clamping unit can clamp the outer side face of the flow guiding hood with the different or same force through cooperation of the corresponding connecting rod assembly and the corresponding clamping part; and in addition, the clamping device can be suitable for clamping flow guiding hoods with different types and sizes, and the universality ishigh.

The invention discloses a conveniently used clamp for mold processing. The clamp comprises a clamp body. A first rotating hole is formed in the top of the clamp body, a motor is fixedly mounted on thetop of the clamp body, a placing cavity is formed in the clamp body, the placing cavity communicates to the first rotating hole, the output shaft of the motor penetrates the first rotating hole and stretches into the placing cavity and a first cone-shaped gear is welded to the output shaft, a second cone-shaped gear is engaged to the first cone-shaped gear, a rotating rod is fixedly arranged on the second cone-shaped gear in a sleeving mode, second rotating holes are formed in the two inner walls of the placing cavity, two rotating cavities are formed in the clamp body, the placing cavity isformed between the two rotating cavities, and the two rotating cavities communicate to the two corresponding rotating holes. The clamp disclosed by the invention can clamp parts more conveniently, andthe clamp body clamping the part is firmer and steadier. The clamp is simple in structure and convenient to use.

The invention relates to the technical field of brackets, and provides a vehicle bracket. The vehicle bracket comprises a clamp fixed on a part in a vehicle and used for clamping a mobile terminal; the clamp includes a shell and a clamping device penetrating through the shell; the clamping device comprises a first clamping body, a second clamping body opposite to the first clamping body, an elastic part arranged between the first clamping body and the second clamping body, and a clamping body used for being clamped in or separated from the first clamping body and the second clamping body; when the clamping body is clamped between the first clamping body and the second clamping body, the elastic part tensions; when the clamping body is separated from the first clamping body and the secondclamping body, the elastic part rebounds; and the first clamping body and the second clamping body can move along the telescopic direction of the elastic part reversely or oppositely. The vehicle bracket provided by the invention is convenient in clamping steps and firm in clamping effect.

The invention discloses a clamping and vibrating device for a plastic-dipped bearing retainer. The clamping and vibrating device for the plastic-dipped bearing retainer comprises a radial moving mechanism, a clamping mechanism, vibrators and an axial lifting mechanism, wherein the radial moving mechanism comprises a driving part and at least three moving parts, and the driving part drives the moving parts to move along the radial direction of the retainer; the clamping mechanism comprises at least three clamping parts, and the clamping parts are connected with the moving parts and used for clamping the retainer; the vibrators are arranged on the clamping parts or the moving parts so as to vibrate the retainer; and the axial lifting mechanism is arranged above the radial moving mechanism and connected with the radial moving mechanism so as to drive the retainer to move in the vertical direction. According to the invention, redundant outer-side molding powder on the retainer can be removed, so that a plastic layer of the retainer is uniform, flat and firm.