604results about How to "Strong clamping force" patented technology

A hand-held power tool (10) is specified, comprising a work spindle (12) for driving a tool (68), said tool (68) being fastenable between a fastening element (38) and a holding portion (36) on a tool end of the work spindle (12), and a displacement device (24) for sliding the fastening element (38) between a released position in which the fastening element (38) can be detached from the work spindle (12) and a clamped position in which the fastening element (38) is clamped against the holding portion (36) by a spring element (48). The fastening element (38) includes a clamping shaft (42) that is insertable into the work spindle (12) and held in the clamped position by a lock assembly (54) inside the work spindle (12), and which can be removed when in the released position (FIG. 2).

A hand-held power tool (10) is specified, comprising a work spindle (12) for driving a tool (68), said tool (68) being fastenable between a fastening element (38) and a holding portion (36) on a tool end of the work spindle (12), and a displacement device (24) for sliding the fastening element (38) between a released position in which the fastening element (38) can be detached from the work spindle (12) and a clamped position in which the fastening element (38) is clamped against the holding portion (36) by a spring element (48). The fastening element (38) includes a clamping shaft (42) that is insertable into the work spindle (12) and held in the clamped position by a lock assembly (54) inside the work spindle (12), and which can be removed when in the released position (FIG. 2).

A closing assembly for a clamping device having first and second jaw members includes a closing mechanism connected between the first and second jaw members, the jaws extending distally from the closing mechanism; and a member for applying a separating force to the first and second jaw members proximally of the closing mechanism, whereby the first and second jaw members can be maintained substantially parallel during closing. The clamp has a very strong clamping force.

The invention discloses a cooperative control system for a catheter and a guidewire for a vascular intervention operation robot. The system comprises a main terminal subsystem and a secondary terminalsubsystem, the catheter and the guidewire can be synchronously controlled to achieve cooperative operation; a cooperative control method for the catheter and the guidewire for the vascular intervention operation robot comprises the steps of detection for operation information of a doctor through a main operator; transmission of axial moving information of the catheter and the guidewire and rotarydistance information; intervention executed by the operator; detection for stress of the operator; a collecting process of the operation information; a force feedback process of the main operator; the system is in accord with operation habits of the doctor, the operation method can be easily implemented, the accuracy is high, and the system is simple and stable in structure.

The invention discloses a three-jaw chuck locating mechanism. The three-jaw chuck locating mechanism comprises a base, a driving mechanism, a main drive gear and an auxiliary drive gear, wherein outsides of the main drive gear and the auxiliary drive gear are meshed mutually through teeth. The driving mechanism can drive the main drive gear to rotate around the axis of the main drive gear, an empty cavity used for placing to-be-located products is formed in the center of the auxiliary drive gear, three clamping jaws respectively pointing to the center of the auxiliary drive gear are arranged on the outer side face of the auxiliary drive gear at intervals, and the other ends of the three clamping jaws are respectively connected with a sliding block. The sliding blocks are respectively limited to slide in a sliding chute along the radius direction of the auxiliary drive gear, meanwhile, the three clamping jaws are respectively provided with a cam roller, and the other ends of the cam rollers are limited to slide in an arc-shaped sliding chute arranged in the outer side face of the auxiliary drive gear. According to the three-jaw chuck locating mechanism, the driving mechanism sequentially drives the main drive gear and the auxiliary drive gear to rotate, and therefore the three clamping jaws are driven to clamp and loose, and three-point locating is achieved. The three-jaw chuck locating mechanism is high in repeated locating accuracy, strong in clamping force, and good in generality for like products.

The invention discloses a flight carrier system of an unmanned aerial vehicle.The flight carrier system comprises a lifting mechanism and a grabbing mechanism.The lifting mechanism comprises a fixing carrier plate, a lifting carrier plate and a lifting lead screw.A driven tooth is arranged at one end of the lifting lead screw.A driving tooth is arranged on the lifting carrier plate.The driving tooth drives the driven tooth to rotate to control the lifting lead screw to be lifted.The lifting lead screw is lifted to drive the lifting carrier plate to move.The grabbing mechanism comprises a base, a movable arm and a traction device controlling the movable arm.The base is provided with a pair of movable arms, a rotating handle and a traction rod.The rotating handle rotates forward and reversely to pull the traction rod to extend and contract to drive the two movable arms.The grabbing mechanism is provided with a bottom carrying mechanism.Compared with the prior art, the flight carrier system of the unmanned aerial vehicle has the advantages that by means of longitudinal moving of the lifting mechanism and clamping of goods through the grabbing mechanism, the unmanned aerial vehicle can transport the goods by means of remote control, labor force is saved, and the working efficiency is improved.

A fastener including a pin, a grommet and a pinching member, wherein the pin includes a head portion and a shaft portion, the grommet includes a flange portion and a barrel portion, and the pinching member includes an inward directed support arm and an outward directed pinching piece, the head portion includes a support portion for supporting the inward directed support arm of the pinching member, a containing chamber for containing a side of the outward directed pinching piece of the pinching member to direct in a direction of a center of the shaft portion and a press face for pressing outward the outward directed pinching piece of the pinching member at the shaft portion of the pin and forming an opening window for putting in and out the outward directed pinching piece of the pinching member at the barrel portion of the grommet.

A fastener including a pin, a grommet and a pinching member, wherein the pin includes a head portion and a shaft portion, the grommet includes a flange portion and a barrel portion, and the pinching member includes an inward directed support arm and an outward directed pinching piece, the head portion includes a support portion for supporting the inward directed support arm of the pinching member, a containing chamber for containing a side of the outward directed pinching piece of the pinching member to direct in a direction of a center of the shaft portion and a press face for pressing outward the outward directed pinching piece of the pinching member at the shaft portion of the pin and forming an opening window for putting in and out the outward directed pinching piece of the pinching member at the barrel portion of the grommet.

The invention discloses an anti-pinching carrying mechanical arm which comprises a mounting arm. A cross beam is arranged at one end of the mounting arm and is perpendicular to the mounting arm, the mounting arm is located at the midpoint of the cross beam, and clamping rails are arranged on the two sides of the side, away from the mounting arm, of the cross beam. A fixed clamping arm is arranged at the position, at one ends of the clamping rails, of the cross beam, an air cylinder is mounted at the end, close to the fixed clamping arm, of the cross beam, an adjusting clamping arm is movably mounted at the ends, away from the fixed clamping arm, of the clamping rails, and a piston rod of the air cylinder is fixedly connected with the adjusting clamping arm. The air cylinder is adopted as a clamping force source, clamping force is stable, controllable sensitivity is high, clamping force can be conveniently and fast adjusted, the adjusting clamping arm can move on the clamping rails, and the anti-pinching carrying mechanical arm can adapt to carrying out objects of different sizes. An anti-pinching elastic column and an inner clamping plate achieve a certain buffering function during object clamping, and the situation that due to the fact that the clamping arm clamping force is too large, the objects are pinched is avoided.

A pushbutton for actuating a dispenser member, the dispenser member having a moving element that is movable between two positions, the pushbutton having a base, a head defining both a bearing surface for a user and a dispensing orifice, and an elastically-deformable portion interconnecting the base and the head, the head being suitable for being secured to the moving element. The elastically-deformable portion is arranged so as to deform in the sense of rolling onto itself when the head is depressed and is suitable for returning the moving element into an initial position by resilient return.

The present disclosure provides a power tool having a clamping device for a working element. The power tool includes an output shaft, a fastening piece having a flange portion for clamping the working element and a protruding shaft substantially perpendicular to the flange portion. A locking assembly comprising a locking member having a first position in which the protruding shaft is locked and a second position in which the protruding shaft is loosened is provided, wherein a pressing member can press the working element between the pressing member and the flange portion when the locking member is in the first position. The power tool can fasten the working element to the output shaft in a simple and reliable manner without the necessary use of such auxiliary tools as a spanner etc. and can achieve a stronger clamping force even under impact conditions.

The invention discloses a steel pipe clamping tool which comprises a support and a hydraulic oil cylinder. One end of the hydraulic oil cylinder is connected to the lower portion of the support, two connecting rods are hinged to the other end of the hydraulic oil cylinder, and clamping rods are separately hinged to the other ends of the two connecting rods. One ends of the clamping rods are hinged to the support, and the other ends of the clamping rods are provided with clamping claws. A lower connecting rod is arranged on the support and movably connected with an upper connecting rod through a joint bearing. The top end of the upper connecting rod is provided with a rib plate. A plurality of telescopic oil cylinders are connected between the rib plate and the support. According to the steel pipe clamping tool, by arranging the hydraulic oil cylinder for driving and arranging the connecting rods for transmission, the clamping rods are driven for clamping, and the clamping force is strong; by arranging the arc clamping claws for grabbing a steel pipe, the clamping claws are good in adaptability to the steel pipe in outline and shape and high in closing precision, and the steel pipe is prevented from falling off; and by arranging the telescopic oil cylinders for being matched with the joint bearing in movement, multi-angle grabbing and stacking of a manipulator on the steel pipe are achieved, and accuracy is high.

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 handgun for insertion in a holster has grip and a top edge and a trigger guard. A control element is removably mounted on the handgun trigger guard. The control element includes a control arm that extends from the trigger guard in a direction away from the top edge of the handgun and that has an outer end portion farthest from the top edge of the handgun. The dimensions of an associated holster are selected so that when the handgun is holstered the outer end portion of the control arm engages a wall of the holster.

The invention discloses a quick-action bench vice. The quick-action bench vice comprises a fixed vice body, a movable vice body, a screw rod and a quick-action clamping device, wherein the movable vice body and the screw rod are integrally assembled together; and the quick-action clamping device comprises a nut assembly and a handle assembly. A swinging block and the screw rod are released from thread engagement while the handle is shifted to a quick-action position; the movable vice body can be rapidly moved to finish rapid clamping or loosening action while being pushed and pulled at the moment; and after the quick action is finished, the handle returns to a slow-action position. The swinging block and the screw rod are closely engaged with each other by threads under an effect of a small tension spring while the handle is shifted to the slow-action position; the movable vice body can be driven by a rotating screw rod to move at a low speed at the moment so as to finish slow clamping or loosening action; in addition, the movable vice body can be also pushed to rapidly move to the direction of the fixed vice body. The quick-action bench vice disclosed by the invention has the advantages of simple and reasonable structure, convenience and quickness for operation, time and labor conservation, high jaw distance adjusting speed, high working efficiency, low labor, strong clampingforce, high precision, long service life and the like.

The invention discloses a fixed-length cutting device for a stainless steel tube. The fixed-length cutting device for a stainless steel tube comprises a cutting platform and a cutting head group, andfurther comprises a length determining assembly and a clamping assembly; the left side end of the cutting platform is provided with an opening groove, a cutting panel is arranged in the opening groove, and a material collecting box is arranged under the cutting panel; and the length determining assembly comprises a fixed side plate, positioning screws and a positioning pressing plate, the fixed side plate is located over the left end of the opening groove and fixedly connected with the top face of the cutting platform, the positioning screws are symmetrically arranged on the front side and theback side of the fixed side plate, and the two ends of the positioning pressing plates are arranged on the two positioning screws in a sleeving mode separately. According to the fixed-length cuttingdevice for the stainless steel tube, the structure is simple, the practicability is high, operation is easy, use is convenient, not only can the cutting rate and the cutting precision of the stainlesssteel tube be improved, but also the cutting length standard can be guaranteed every time only through one time of cutting length measurement, the manual labor intensity is effectively reduced, the error rate brought by each time of manual measurement is decreased, and resources and the cost are saved.

The invention relates to a vascular clamp which is a V-shaped or U-shaped structure formed by an upper arm and a lower arm. The head of the lower arm is provided with a guide face which can generate the horizontal displacement under the vertical pressure. The head of the upper arm and the head of the lower arm are provided with self-locking structures which are matched with each other and can restrict the vertical relax movement. When a pair of appliers is closed, the upper arm and the lower arm of the vascular clamp begin to close, the head of the upper arm slides along the guide face of the head of the lower arm under the vertical pressure to generate the horizontal displacement. Under the combined effect of the restoring force resulting from the horizontal displacement of the upper arm and the lower arm and the restoring force resulting from the horizontal displacement of the pliers arms of the appliers, the self-locking structures which are matched with each other and can restrict the vertical relax movement on the head of the upper arm and the head of the lower arm slide and lock, therefore realizing the closing of the upper arm and the lower arm. The vascular clamp not only has strong clipping force, but also avoids cropping function for the organization in the closing process.

The invention belongs to the technical field of climbing robots for electric power operation, and particularly relates to a climbing robot for an angle steel tower. The robot comprises a main machineand clamping assemblies, the clamping assemblies comprise the upper clamping assembly and the lower clamping assembly, and at least one set of clamping assemblies can do reciprocating displacement motion parallel to the advancing path of the main machine relative to the main machine; each clamping assembly comprises a clamping jaw, an angle adjusting assembly and a lifting assembly, wherein the angle adjusting assembly is installed on the clamping jaw and can enable the main machine to generate pitching angle adjustment relative to the angle steel, and the lifting assembly can enable the clamping jaw to generate approaching and departing actions relative to the angle steel. The hinge axis of the angle adjusting assembly is horizontally arranged and is perpendicular to the length directionof the angle steel. The robot has high obstacle crossing capability and high climbing efficiency, and can synchronously guarantee the action stability and action reliability of climbing operation, sothat the manpower inspection cost can be greatly saved, the maintenance efficiency is improved, and the safe and reliable operation of a power transmission system is guaranteed.

The invention relates to the field of industrial robots, in particular to an industrial conveying robot. The industrial conveying robot comprises a rack, wherein the rack is rotatably connected with inner gear rings and rotating shafts fixedly arranged in the central parts of the inner gear rings; the inner parts of the inner gear rings are symmetrically meshed with two groups of planetary pinionsby using the rotating shafts as a center; each group of two planetary pinions are arranged; a corresponding connecting rod is rotatably connected between the each group of planetary pinions; the middle position of the corresponding connecting rod is fixedly connected with the corresponding rotating shaft; clamping blocks for clamping objects are arranged on the each group of planetary pinions; extrusion channels are arranged in the clamping blocks; a side wall of the corresponding extrusion channel is connected with fastening blocks for fastening the objects in a sliding manner; the extrusionchannels positioned aside the fastening blocks are connected with anti-skid gears in a rotating manner; the anti-skid gears are connected with sealing sleeves which are placed in the extrusion channels and enables the gas to release out in a sleeving manner, and inclined surfaces are arranged on the fastening blocks positioned in anti-skid channels; the inner parts of the extrusion channels are connected with racks meshed with the anti-skid gears; and inclined surfaces matched with the inclined surfaces of the fastening blocks are arranged on the racks.

The invention relates to the technical field of part clamping, in particular to an automatic assembling robot for assembly line production. The automatic assembling robot comprises a storing frame anda control module; one side of the storing frame is provided with a first conveying mechanism for conveying lamp holders towards the direction where the storing frame is located, and the other side ofthe storing frame is provided with a second conveying mechanism for conveying lampshades capable of being in threaded connection with the lamp holders; the first conveying mechanism and the second conveying mechanism are located on the same straight line and are opposite in conveying direction; the first conveying mechanism and the second conveying mechanism are provided with a sliding rail parallel to the first conveying mechanism, and the sliding rail is provided with a clamping mechanism which can conduct reciprocating movement and telescopic movement along the sliding rail; the first conveying mechanism and the second conveying mechanism are provided with clamping frames correspondingly, second air bags made of elastic materials are arranged in the clamping frames, and the clamping frames are further provided with in-out openings; and fixing pieces are slidably connected to the positions, close to the in-out openings, of the inner walls of the clamping frames.

The invention discloses a parallel clamping device and method for a robot end. The parallel clamping device for the robot end comprises a driving air cylinder, a parallel clamping mechanism and two end clamping mechanisms, wherein the two end clamping mechanisms are arranged on the two sides of the parallel clamping mechanism respectively, and the two ends of the driving air cylinder are fixedly connected with the two end clamping mechanisms respectively. The parallel clamping method for the robot end comprises the steps that the two end clamping mechanisms are symmetrically arranged on the two sides of the parallel clamping mechanism respectively, and are connected with the parallel clamping mechanism through adjusting rods, the two ends of each adjusting rod are hinged to the parallel clamping mechanism and the corresponding end clamping mechanism, a rotating base is used in cooperation so that when the driving air cylinder works, the two end clamping mechanisms can be driven to synchronously run, and clamping or loosening of workpieces can be achieved. According to the parallel clamping device for the robot end, the mode that one driving air cylinder is used for driving the two end clamping mechanisms is adopted, the rotating base and the adjusting rods are used in cooperation, synchronous operation of the two end clamping mechanisms is achieved, clamping is stable, alignment performance and synchronism are high, the accuracy rate of clamping is high, and production efficiency and the degree of automation of a production line can be effectively improved.

The invention provides an automatic tyre cutting machine, belonging to the technical field of machinery. The automatic tyre cutting machine solves the problems that a traditional waste tyre cutting machine is inconvenient to operate and has high machining cost. The automatic tyre cutting machine comprises a frame, a fixture arranged at the side of the frame and used for lamping a tyre, and a cutter arranged corresponding to the fixture, wherein the fixture is connected with a speed reducer which can drive the cutter to rotate, the speed reducer is driven by a motor, a power assembly which can drive the cutter to be away from or close to the fixture is arranged on the frame, and the cutter is arranged on the power assembly. The automatic tyre cutting machine has the advantages of simpleness in operation, high safety, excellent stability, high work efficiency and the like.

The invention discloses a reserved chamber simulating test piece manufacturing die assembly and a method used for manufacturing a test piece. The die assembly comprises a model shell, a solid cylinder, a round through hole, clamps, a bearing plate and a cylinder containing cavity, wherein the model shell has a splitting structure and is formed by two symmetrical parts; a hexahedral sample adding cavity is arranged at the upper part of the model shell, and a press is used for compacting and shaping a sample in the cavity by the bearing plate. The die assembly has a simple structure, and is convenient to disassemble, and the sample can be subjected to mold release conveniently. The invention also discloses the method for manufacturing the test piece by adopting the reserved chamber simulating test piece manufacturing die assembly. The method comprises the steps of assembling a mold, adding the sample, pressurizing the sample, separating the mold, and disassembling the mold. According to the test piece manufactured by adopting the method for manufacturing the test piece by the die assembly, the test piece can be subjected to mold release conveniently, and the pressurized shaping effect of the test piece is good.

The invention provides a flexible pressing device for low-rigidity components and an assembling and pressing method of the flexible pressing device. The flexible pressing device is characterized in that a pressing assembly comprises a first force application part and a second force application part sequentially arranged in the force application direction; the first force application part comprises an upper pressing block and pressing springs pressed downwards by the upper pressing block; the second force application part comprises a lower pressing block propped against the pressing springs and jacking springs pressed downwards by the lower pressing block; a pressing part for pressing the low-rigidity components is connected to the lower pressing block. According to the invention, whether the controlled pressing force value is within a required range or not can be judged through visually observing the displacement values of the upper pressing block and the lower pressing block and the position difference value of the upper pressing block and the lower pressing block, so that the stress state requirements during the assembly can be met; besides, the flexible pressing device can buffer the impact force to the maximum extent during pressing through the elastic deformation of the jacking spring and the pressing spring, and the damage to pressed components under a certain degree of overload force is avoided.