998results about How to "Reliable clamping" patented technology

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 slave side of a master-slave minimally invasive vascular intervention surgical robot and a controlling method of the slave side, and belongs to the technical field of machine manufacturing.The slave side comprises a slave side control mechanism and a slave side mobile platform, and the slave side control mechanism is composed of a clamp driving mechanism I, a thrust feedback mechanism II, a lossless clamp mechanism III and a clamp control mechanism IV.The invention further provides a control method of the slave side.As the clamp driving mechanism, the thrust feedback mechanism, the lossless clamp mechanism and the clamp control mechanism are designed, the operation of clamping, releasing, rotating, pushing a guide wire and measuring pushing force in the operation process is completed, the accuracy of measuring the pushing force is improved, and guide wire clamping reliability is improved, and the slave side is convenient to assemble and disassemble.

The invention relates to environment-friendly type river and lake controlling and cleaning equipment. The environment-friendly type river and lake controlling and cleaning equipment comprises a boat body, power devices, a storage slot, a compression device, movable gripping devices, cut-off devices, a salvaging device and a conveying device, wherein the power devices are symmetrically mounted at the left side and the right side behind the boat body separately along the longitudinal central axis of the boat body; the compression device is positioned above the storage slot; the movable gripping devices are separately positioned at the left side and the right side of the compression device; the cut-off devices are positioned at the outer sides of the movable gripping devices; the salvaging device is positioned in front of the boat body; and the conveying device is positioned between the salvaging device and the storage slot. The environment-friendly type river and lake controlling and cleaning equipment integrates the functions of floating force adjusting, water-surface travelling, waste compacting, aquatic plant gripping, garbage salvaging, garbage conveying and the like, realizes the functions of eliminating aquatic plants in rivers and lakes as well as floating waste on the water surface, achieves the effect of dredging the rivers and the lakes, keeps water in the rivers and the lakes clean, is high in integral mechanical degree, is complete in function and is high in operating efficiency.

The invention provides a marching type and magnetic jacking reactor control rod drive mechanics, which comprises a rod position detector component, a coil component, a pressure shell component, a knuckle component, a driving rod component, a heatproof lagging component and the like. The whole mechanism is vertically mounted on a top cover of a reactor pressure vessel directly, wherein the pressure shell component consists of a hoisting connector, a travel sleeve and a hermetic case. The travel sleeve of the pressure shell component is an integral blind tube with a blocked upper end and the hermetic case is an integral structure composed of a tube socket of the driving mechanism on the top cover of the reactor pressure vessel, and the hermetic case. The knuckle component is composed of two identical knuckle teeth arranged side by side, the distance between the two knuckle teeth is equal to the teeth space of the driving rod component, and the two sides of the flute between the two knuckle teeth are of transitional circular arc shape. The invention greatly reduces the leakage possibility of the pressure shell of the reactor control rod drive mechanics, and greatly improves the wear resistance, the reliability and the service life of the reactor control rod drive mechanics.

The invention relates to a fretting wear test device, in particular to a high temperature and high pressure in-situ fretting wear test device, and solves the problems that in-situ fretting wear is difficult to realize at a high temperature and a high pressure; fretting amplitude and frequency are difficult to control accurately; electrochemical signals are hard to measure during fretting wear. The fretting wear test device is provided with a vibration exciter, a thermocouple, a working electrode / auxiliary electrode seat, an autoclave cover, a hydraulic cylinder, an autoclave body, an upright, a positioning plate, a first sample holding and loading device, a moving shaft, an upper linear guideway, a working electrode, a moving shaft guide bracket, an auxiliary electrode, a connecting nut I, a reference electrode seat, a reference electrode, a lower linear guideway, an upper guide platform plate, an upper guide rod, a lower guide rod, a lower guide platform plate and a connecting nut II. The device is capable of performing in-situ fretting wear on the surface of a sample at a high temperature and a high pressure. The reference electrode, the working electrode and the auxiliary electrode mounted on an autoclave work with an electrochemical workstation to detect the electrochemical signals during fretting wear.

The invention discloses a catheter and guide wire control device for an interventional operation and a control method of the catheter and guide wire control device, belonging to the technical field of minimally invasive vascular interventional operations. The device comprises a clamping mechanism, a sleeve driving assembly and a brake braking assembly, wherein the clamping mechanism comprises a sleeve, a braking part and a clamping part, after the clamping part with a clamping end is mounted in the braking part, the braking part is in threaded connection with the sleeve, a notch is formed in one end, with the clamping end, of the clamping part, and the clamping end is in conical fit with the sleeve; the sleeve driving assembly is used for driving the sleeve to rotate; the brake braking assembly is used for clamping or loosening the braking part. With the method, a catheter or a guide wire can be clamped, pushed and twisted, and force measurement also can be realized; the efficient, accurate and nondestructive clamping and loosening for the guide wire and the catheter can be realized, and the catheter and the guide wire can be cooperatively operated.

The invention discloses a translation speed variable mechanical paw. The translation speed variable mechanical paw comprises a stepping motor, a coupler, a transmission mechanism, a first clamping piece, a second clamping piece, a first clamping finger, a second clamping finger, a base plate, a front baffle, a back baffle, a sliding block and a sliding linear guideway. The mechanical paw is driven by the stepping motor; the rotation of the motor is transformed into the movement of the transmission sliding block through a screw nut transmission pair; meanwhile, ball bearings on two cylindrical pins of the transmission sliding block slide in a first arc-shaped sliding groove and a second arc-shaped sliding groove correspondingly and drive the first clamping piece and the second clamping piece to conduct opening or closing movement; and speed varying movement of fingertips of the mechanical paw is achieved through changes of curve parameters of the arc-shaped sliding grooves, and that is, closing in deceleration and opening in acceleration. According to the feature of the translation speed variable mechanical paw, the impact when the fingertips touch fragile targeted objects is reduced; the clamping is stable and reliable; and the working efficiency of the mechanical paw is improved.

The invention discloses an interventional surgical robot subordinate end and a mobile platform and a control method of the robot subordinate end and belongs to the technical field of minimally invasive blood vessel interventional operations. The mobile platform comprises a platform main beam, and platform connection blocks are arranged on the platform main beam through a linear guide rail pair D; the platform connection blocks are driven by a platform driving mechanism and used for installing a catheter controller or a guide wire controller. The interventional surgical robot subordinate end comprises the catheter controller, the guide wire controller and the mobile platform; the catheter controller and the guide wire controller are mounted on the two platform connection blocks respectively. According to the interventional surgical robot subordinate end, the catheter controller and the guide wire controller are installed on the mobile platform, and the problem is solved that it is difficult for an existing robot to complete co-operating of a catheter and a guide wire.

The invention provides a fastening mechanism (30), a rack (100) using the fastening mechanism (30) and a remote control (200) as well as a fastening assembly of the fastening mechanism. The fastening mechanism (30) comprises a fisrt clamping member (32) and a second clamping member (34), wherein the first clamping member (32) has a first clamping part (3233); the second clamping member (34) has a second clamping part (343) and a spacing part (3411); the second clamping member (34) can be slideably arranged on the first clamping member (32) to adjust a distance between the second clamping part (343) and the first clamping part (3233); the fastening mechanism (30) further has a spacing member (383) arranged on the first clamping member (32); and the spacing member (383) is cooperated with the spacing part (3411) to limit sliding actions of the first clamping member (32) to the second clamping member (34). External devices can be firmly and reliably clamped by the fastening mechanism (30), the rack (100) using the clamping mechanism (30) and the remote control; and wide application range can be achieved.

The invention discloses a novel digestive tract hemostatic clamp capable of being repeatedly closed. The novel digestive tract hemostatic clamp comprises a metal chuck, a release component, a conveying component and a handle, wherein the metal chuck comprises a clamping plate and a connector; the connector and a push-pull end of the clamping plate are sleeved into a whole; the push-pull end of the clamping plate and the connector can slide back and forth in a tightening pipe; a wing part is arranged on the clamping plate; a limiting pin is fixed on the front part of the tightening pipe; a concave hole is formed in the front part of the tightening pipe; the release component comprises the content as follows: the front part of a connecting pipe is connected with the rear part of the tightening pipe through a movable buckle; the rear part of the connecting pipe is fixedly connected with a spring pipe; a half-surrounded hole which loses efficacy in relatively large tension is formed in the front part of a connecting rod, and is connected with a fixed pin of the connector; a convex circular truncated cone is arranged on the front part of the connecting rod; a counter bore in the rear part of the connecting rod is fixedly connected with a traction steel wire; the conveying component comprises the traction steel wire, a protective hose and the spring pipe; the spring pipe is provided with a thin-wall conduit in a thermal shrinkage manner; a boosting pipe is fixedly connected with the traction steel wire. The novel digestive tract hemostatic clamp has the characteristics of being simple in structure and reliable to clamp, and is capable of opening and closing for a plurality of times.

The invention discloses a carbon fiber gas cylinder detection line and a carbon fiber gas cylinder detection method. The detection line includes, in a front-to-back arrangement manner, a water pressure test apparatus, a water pressure auxiliary test apparatus and an air tightness test apparatus. The water pressure test apparatus includes a test rack, a test operation bench, a pressurizing apparatus, a test case installed on the test rack, and test trolleys for stably placing a plurality of to-be-tested gas cylinders. The water pressure auxiliary test apparatus includes a gas cylinder fixture, a transporting trolley, and a gas cylinder water-pouring-away and drying device. The air tightness test apparatus includes an air tightness detection apparatus and a second air supply apparatus for supplying air to the to-be-tested gas cylinders. The air tightness test apparatus is in a cabinet structure or a ground trough structure. The detection method includes the steps of 1) water pressure test; 2) water pouring-away and drying treatment; and 3) air tightness test. The detection line is reasonable in design and simple in operations, is good in use effects, and can easily and quickly complete water pressure test and air tightness test for a plurality of carbon fiber gas cylinders.

The invention belongs to the field of medical equipment, and particularly relates to a guide wire intervention device for a minimally invasive intervention surgical robot. The device comprises a sliding rail, two or more mobile finger assemblies and two or more rotation assemblies, wherein the mobile finger assemblies and the rotation assemblies move along the sliding rail; each mobile finger assembly comprises a mobile finger driving motor, a clamping mechanism and a mobile finger base; each rotation assembly comprises a fixed shell, a rotation disk and a rotation disk motor which drives therotation disk to rotate, each rotation disk is fixedly connected with the clamping mechanism of one of the mobile finger assemblies, and each fixed shell is fixed on the corresponding mobile finger base; a guide wire penetrates through the clamping mechanism and the rotation disk of each mobile finger assembly and intervenes into the blood vessel, and the rotation speeds of the driving motors of the mobile fingers of all the mobile finger assemblies are different. According to the guide wire intervention device, conveying and rotation motion of the guide wire is controlled by the different motors and can be synchronously conducted, and the device more accords with habits of doctors in the actual surgical process.

The invention provides a device and a method for brazing cables and pin tube cavity contact pairs as well as cable joints, belonging to the technical field of cable connection in the electric power industry. The device is characterized in that: the device comprises a pair of graphite or graphitized electrodes I used for elastically clamping a weldment matrix, an electric control system III generating low voltage and high current, as well as a brazing operation table IX; a voltage between 2 and 15 V and a current between 50 and 500 A are transmitted to a welded piece matrix through the graphite electrodes I with the resistance between 5 and 60 omega, and solder in a pin tube cavity or a wiring hole of the welded piece matrix is heated to be between 130 and 600 DEG C, so as to complete the brazing connection of the cables and the pin tube cavity contact pairs or the cable joints. The device has the advantages that the good connection among the cables, the pin tube cavity contact pairs or the cable joints is realized, and brazing equipment is high in machining efficiency, good in safety protection property, high in automation degree, convenient to operate and good in agreeableness.

The invention discloses an automatic assembling method of a light emitting diode (LED) lamp tube. The automatic assembling method includes that a mechanical arm is controlled to take a casing onto a special clamp located on an automatic conveyor; (2) the special tool clamping the casing is conveyed to a first station; (3) the mechanical arm is controlled to take and insert an LED light source into a first clamp slot; (4) the casing is conveyed to the next station; (5) the mechanical arm is controlled to take a lampshade and insert a clamp strip of the lampshade into a second clamp slot; (6) the casing is conveyed to the next station; (7) a lead wire is welded between the LED light source and an electrode; (8) the casing is conveyed to the next station; (9) the mechanical arm is controlled to take a lamp head, the lamp head is arranged at two ends of the casing, the casing and two ends of the lampshade are clamped into the clamp slots, and a buckle is clamped onto a bayonet at the moment to complete installation of the LED lamp tube; and (10) the LED lamp tube is detached from the special clamp. The automatic assembling method improves assembling efficiency of the LED lamp tube and reduces cost.

The invention discloses an interventional surgical robot subordinate end device and a control method thereof and belongs to the technical field of minimally invasive blood vessel interventional operations. The device comprises a main body, a catheter clamp holder, a guide wire clamp holder, a torsional component and a force measurement component; the catheter clamp holder is used for clamping catheters, the guide wire clamp holder is used for tightly clamping or loosening guide wires, and the catheter clamp holder and the guide wire clamp holder are both detachably mounted on the main body; the catheter clamp holder comprises a medical three-way valve and a clamping component, and the medical three-way valve is used for connecting the catheters and is fixed to the main body through the clamping component; the torsional component is used for driving a screw cap of the medical three-way valve to drive the catheters to rotate; the force measurement component is used for detecting push force of the catheters. The subordinate end device can clamp the catheters and tightly clamp or loosen the guide wires, achieves co-operating operation of the catheters and the guide wires, and is simple in structure and convenient to disassemble and assemble. According to the control method, the subordinate end device is controlled so that clamping, pushing, torsion and force measurement of the catheters and clamping of the guide wires can be completed, and accordingly co-operating of the catheters and the guide wires is achieved.

The invention discloses a lathe chuck for an aluminum alloy hub. The lathe chuck for the aluminum alloy hub mainly comprises a pull rod shaft, a positioning unit fixing base, a protective cover, a hollow shaft sleeve and the like. An upper cover and a chuck body are connected through screws, so that a chuck main body is formed. An installation hole is formed in the bottom of the chuck body so that the chuck can be installed on a machine tool. Positioning pins are installed between the upper cover and the chuck body through screws. The pull rod shaft, an annular pressing plate and a tensioning plate are connected through screws. The tensioning plate is in sliding fit with the positioning pins through copper sleeves. The positioning unit fixing base, the protective cover and the hollow shaft sleeve are combined together through screws. A spring, sliding blocks and a wedge-shaped taper sleeve are installed inside. When the wedge-shaped taper sleeve moves up and down, the sliding blocks can be driven to slide leftwards and rightwards, and each sliding block is connected with a transverse pull rod through a screw and drives a step-shaped positioning block to slide leftwards and rightwards through the transverse pull rod; a crankshaft pressing claw is installed on the upper cover through a hinge pin, a ball at the lower end of the crankshaft pressing claw is inserted in a groove of the tensioning plate, and a connection pop rivet is used for connecting the chuck with the machine tool.

The invention relates to a watt-hour meter handling manipulator suitable for a multi-meter-position tooling board, relating to watt-hour meter moving and loading equipment and solving the technical problem of low efficiency because manual operation is mostly carried out at present. The watt-hour meter handling manipulator suitable for the multi-meter-position tooling board comprises a stand and aclamp for clamping the watt-hour meter and is characterized in that the clamp is fixedly connected with a vertical turnover mechanism; the vertical turnover mechanism is connected with a horizontal rotating mechanism which is arranged on a vertical lifting mechanism; the vertical lifting mechanism is connected with a sliding block which is glidingly connected with a crossed horizontal sliding platform, and the crossed horizontal sliding platform is glidingly connected with the stand. The watt-hour meter handling manipulator provided by the invention is the mechanized equipment special for feeding and discharging on the multi-meter-position tooling board for the watt-hour meter, has the advantages of improving production efficiency, saving labor resources and meeting the requirements of the multi-meter-position tooling board for the arrangement orientation of the watt-hour meter, so that the watt-hour meter has high mounting position accuracy, and the detection result bias caused by the arrangement position can be avoided.

The invention discloses a single-cylinder and double-lock pneumatic vacuum flexible clamp, which comprises a substrate, a plurality of spring support positioning units and pneumatic locking mechanisms for locking the spring support positioning units, wherein the spring support positioning units are arranged on the substrate; each pneumatic locking mechanism is arranged on the substrate and is located between two spring support positioning units; one pneumatic locking mechanism is shared by two spring support positioning units; vacuum adsorption is carried out on a thin-wall part through a chuck and the thin-wall part is firmly locked through the pneumatic locking mechanisms, thereby achieving stable and reliable clamping of a workpiece; and the chuck can be automatically clung to the surface of the workpiece and has adaptability to the curved surface shape. By adopting the clamp, fast clamping and positioning of any curved surface can be achieved, the installation time of the part is effectively shortened, and meanwhile, machining deformation of the thin-wall part is controlled, thereby ensuring the machining quality.

The invention discloses a universal beaker cleaning device for medical treatment. The universal beaker cleaning device comprises a base, a bidirectional lead screw, a hollow rotating shaft and a rotating rod, wherein a door-shaped frame is fixed on the base, telescopic rods are symmetrically mounted on the left and right sides of the top of the door-shaped frame, and a top plate is connected between the tops of the telescopic rods on the two sides; the bidirectional lead screw is rotatably connected between the movable ends of the telescopic rods on the two sides; the hollow rotating shaft penetrates through a door-shaped plate and is rotatably connected with the door-shaped plate; and the hollow rotating shaft is provided with a driving mechanism for driving the hollow rotating shaft to rotate. The bidirectional lead screw is arranged so as to drive the clamping plate, so that a beaker can be conveniently fixed, the clamping is stable and reliable, and meanwhile, the positioning is accurate; an L-shaped rod is arranged and can be used for cleaning the inner wall of the beaker in all direction during the rotation, so that the cleaning effect is good; and the rotation radius of theL-shaped rod can be conveniently adjusted so as to be adapted to beakers with different radius sizes, so that the applicability of the whole device is improved.

The invention discloses a reciprocating type micro-friction abrasion testing machine and belongs to a micro-friction and abrasion testing device. The testing machine comprises a bottom plate, and a bracket, a driving device, a loading device, a positioning and clamping device and a signal conditioning and data acquisition device which are arranged on the bottom plate, wherein the bracket at least consists of two side plates which are longitudinally fixed on the bottom plate; a lower sliding rail seat and a top cylinder seat are at least arranged between the two side plates. An exciter serves as a power source, the equipment is small in size and has high driving force and wide amplitude and frequency variation range, the signal is provided by a signal generation card, multiple driving signals are provided, the frequency and the amplitude are convenient to adjust, and the testing machine is easily controlled by a computer program; meanwhile, a clamp system for a fixation test is simple in structure, reliable in clamping and convenient to mount, and tests in multiple friction pair contact forms can be realized by replacing the clamp. The designed testing machine is high in precision and convenient to operate and provides a reliable experimental instrument for research of micro abrasion.

The invention relates to a ramie harvester. The ramie harvester comprises a body, a header arranged on the front part of the body, a longitudinal conveying device arranged on the side surface of the body and a stalk collecting box arranged on the rear part of the body; the header comprises a cutting device arranged at the bottom of the header, a transverse conveying device arranged on the upper part of the cutting device, and a splitting and setting device matched with the transverse conveying device; the transverse conveying device of the ramie harvester comprises a single-row transverse conveying chain arranged at the same height with the splitting and setting device; the heights of the splitting and setting device and the single-row transverse conveying chain are regulated to be greater than the height of the center of gravity of the ramie stalk cut by the cutting device. Due to the adopted single-row transverse conveying chain, compared with the ramie harvester with double rows or more rows of conveying chains in the prior art, the weight and the occupied space of the header are greatly reduced, and therefore, the power consumption of the ramie harvester is greatly reduced and the energy source is saved.

The invention provides a mounting clamp of an ultrasonic sensor. The mounting clamp comprises a mounting plate, positioning blocks which are arranged at the central line positions of the two ends of the mounting plate, bracket rails which are respectively arranged on four symmetrical mounting plate rails of the mounting plate, buckles which are respectively arranged on slide ways of the bracket rails and can adjust the height, a scale slide strip with two ends which are respectively fixed on the buckles, and a sensor bracket which is arranged on the scale slide strip and is used for mounting the ultrasonic sensor. The mounting clamp of the ultrasonic sensor disclosed by the invention is simple in structure and convenient to use; an ultrasonic sensor probe can be effectively mounted according to straight pipe sections with different apertures and accurate positions of clamping the ultrasonic sensor probe on the straight pipe sections can be guaranteed; and a mounting distance between the sensors can be visually read and the mounting distance between the sensors can also be adjusted according to requirements.

The invention discloses a flexible three-finger clamp holder having a touch sensing function. The touch force distribution situations of the parts, in contact with a clamped object, of the fingers are obtained in real time through touch sensors attached to flexible claws and are fed back to a control system, and the control system controls a motor to drive grabbing strength of the flexible claws. The flexible three-finger clamp holder adopting the structure has the touch sensing function, can exert different clamping forces according to the specific characteristics of the object and does not damage the object. Due to the fact that the flexible claws are made from an elastic flexible material, the three fingers can product a large elastic deformation during object clamping, accordingly stronger attachment is formed, it can be ensured that the object does not fall or slip and is reliable to clamp, the flexible three-finger clamp holder is simple in structure and can serve as a terminal executor to be widely applied to various robots.

The invention discloses a winding system of a winding machine, which comprises a stand, demolding mechanisms, a demolding power mechanism and coil twisting mechanisms, wherein the demolding mechanisms and the coil twisting mechanism are both fixed on the stand; the front parts of a first winding mold fixture main shaft and a second winding mold fixture main shaft are respectively and fixedly provided with the demolding mechanisms with uniform structure; and the coil twisting mechanisms with uniform structure are respectively arranged in front of winding molds adjacent to the demolding mechanisms. The reliable and smooth winding, demolding and twisting of coils of a micromotor can be realized by reasonably installing and designing the demolding mechanisms, the demolding power mechanism and the coil twisting mechanisms, so that the automation of winding, demolding and twisting is realized. Thus, the production efficiency is greatly improved, the uniformity of products can be improved, and stale and reliable coil sheets can be provided for the subsequent rounding process. The coil demolding mechanisms, the demolding power mechanism and the coil twisting mechanisms are stable and reliable and have the advantages of long service life and high precision.

The invention relates to the technical field of clamps, in particular to a self-centering chuck. The self-centering chuck comprises a chuck bracket, a rotating sleeve, a chuck claw disc, a driving wheel, at least two chuck claws and a chuck claw driving mechanism; the chuck claw driving mechanism comprises a driving bearing, a straight line driving mechanism connected with the outer circle of the driving bearing, first racks connected with the inner circle of the driving bearing and gears engaged with the first racks; each chuck claw is provided with second racks; and the second racks are engaged with the corresponding gears. According to the ingenious application of the self-centering chuck, the inner circle of the driving bearing rotates along with the rotating sleeve, and the straight line driving mechanism is connected with the outer circle of the driving bearing, so that the whole driving bearing is driven to move; and the straight line driving mechanism is fixed and does not rotate along with the rotating sleeve, so shat the problem that a cable or an air pipe or an oil pipe or the like of the straight line driving mechanism is wound or loosened or abraded is effectively avoided, clamping of the chuck claws is reliable, the maintenance cost of the self-centering chuck is reduced, and the service life is prolonged.

The invention discloses a shaft work piece clamping device. The shaft work piece clamping device comprises a rectangular bottom plate, wherein a plurality of installation grooves are formed in the side wall of the rectangular bottom plate, a baffle is fixedly arranged on the upper side of the rectangular bottom plate, a V-shaped cushion block used to support a shaft work piece is fixedly arranged on the right side of the baffle, a support plate parallel to the baffle is fixedly arranged on the upper side of the rectangular bottom plate, a threaded hole is formed in the support plate, a threaded rod matched with the support plate so as to form a thread pair is arranged in the threaded hole, a V-shaped press block used to tightly press the shaft work piece is hinged with the left end of the threaded rod, and a rotatable handle is fixedly installed at the right end of the threaded rod. The shaft work piece clamping device has the advantages of being reasonable in design, reliable in work piece clamping, large in increase force, unrestricted in stroke, simple in structure, convenient and quick to disassemble and assemble, convenient to carry, long in use life, wide in application range, low in production cost, and convenient to popularize and use.

The invention discloses a semi-automatic clamp for a lathe. Connecting rod supports are fixedly connected with two ends of a clamp body; a positioning block is mounted in the middle of the clamp body; positioning flat plates are fixed on the two sides of the positioning block; a slide seat and an arc briquette are arranged at the two ends of the positioning block; a foot margin type hydraulic cylinder is fixedly mounted on a hydraulic cylinder seat in the clamp body; connecting rod slide seat is arranged at the top of the hydraulic cylinder seat; supporting rods are arranged on two sides of the hydraulic cylinder seat; a piston rod of the hydraulic cylinder is hinged with a lug of the connecting rod slide seat through a threaded connecting rod; two rotary rods are connected with the supporting rods arranged on the two sides of the hydraulic cylinder seat; one end of each rotary rod is fixedly connected to the connecting rod slide seat; the other ends of the rotary rods are connected with middle connecting rods respectively; the middle connecting rods are respectively connected with push rods; and each of the push rods is fixedly connected with the connecting rod support at the two ends of the clamp body and the slide seat respectively. The clamp has the advantages of compact structure, reliable clamping performance and high universality; and the clamping is reasonable and fast, and a plurality of workpieces can be processed at the same time, which can not only improve the processing efficiency, but also relieve the work intensity of operators.