1283results about How to "Easy clamping" patented technology

The invention discloses a valve clamping device. The valve clamping device comprises a fixed seat; the first clamping piece and the second clamping piece are hinged to the fixed seat; the clamping assembly comprises a connecting base, a first elastic piece assembly and a second elastic piece assembly, the first elastic piece assembly and the second elastic piece assembly extend out of the two opposite sides of the connecting base, and the fixing base is contained in the connecting base; the first elastic piece assembly and the second elastic piece assembly are matched with the first clamping piece and the second clamping piece respectively to clamp a valve leaflet of a valve, the first elastic piece assembly and the second elastic piece assembly each comprise a clamping elastic piece and a detection elastic piece, and when the clamping elastic pieces are matched with the first clamping piece or the second clamping piece to clamp the valve leaflet, the detection elastic pieces are arranged on the clamping elastic pieces. The detection elastic pieces on the same side can be controlled to move between the joint state where the detection elastic pieces are jointed with the valve leaflet and the detection state where the detection elastic pieces are separated from the valve leaflet so as to detect whether the valve leaflet is clamped at the expected position or not by the clamping elastic pieces and the first clamping piece or the second clamping piece in a matched mode. The invention further provides a valve clamping system using the valve clamping device and a method for detecting the clamping state of the clamping assembly.

The invention discloses a weak-rigidity free-form surface monocrystalline silicon reflecting lens and a processing method thereof. The method comprises the following steps: obtaining a monocrystalline silicon block; cutting into blocks; diamond wire cutting; precisely grinding the back surface; performing slicing; the free-form surface sucker adsorbs the lens; precisely grinding the front surface into a cylindrical surface; polishing the magnetorheological elastomer; releasing the lens; the cylindrical sucker adsorbs the lens; precisely grinding and thinning the back surface; releasing the lens; cutting edges and carrying out wet etching on the back surface; and carrying out ion beam modification processing to achieve the final surface shape precision of the free-form surface. According to the X-ray reflecting lens machining method, the free-form surface weak-rigidity reflecting mirror is clamped and deformed into the cylindrical surface for machining, the whole process is ultra-precision grinding and polishing of the cylindrical surface, the machining method is simple and mature, the manufacturing cost is extremely low, dependence on an ultra-high-precision multi-axis linkage machine tool is completely eliminated, and the machining precision is greatly improved. And the machining efficiency is greatly improved, and the method is suitable for mass production of reflectors.

The high-pressure water cutting device comprises a [-shaped protective fence frame, an inlet and outlet is formed in the front side of the protective fence frame, a rectangular annular drainage ditch is formed in the position, on the inner side of the protective fence frame, of the ground, and a robot is arranged in the middle of the position, on the inner side of the drainage ditch, of the ground; the tail end of a mechanical arm on the robot is connected with a water jet cutter and a flushing spray head, the robot is used for controlling the cutting track of the water jet cutter, and meanwhile the flushing spray head moves along with the cutting track of the water jet cutter to flush the cutting part; longitudinal traveling rails are arranged in the protective fence frames on the two sides of the robot correspondingly, and the traveling rails are fixed to the ground and extend out of the entrances and exits of the protective fence frames. A carrying trolley is arranged on the travelling crane rail, and a workpiece clamping table is fixedly connected to the carrying trolley. According to the high-pressure water cutting device, the robot is adopted to control the water jet to operate, cutting is convenient, and precision is high; and a corresponding universal die casting clamping table which is convenient and stable in clamping is designed.

The invention relates to the technical field of optical part cleaning equipment, and particularly discloses electronic equipment optical part cleaning and drying equipment which comprises an ultrasonic cleaning pool and a fixing frame, the fixing frame is fixedly connected to the upper portion of the ultrasonic cleaning pool, a drying mechanism is installed on the rear side of the fixing frame, and a cleaning frame is arranged in the fixing frame. By designing the swing mechanism, the connecting plate, the arc-shaped plate and the rolling wheel, the rolling wheel moves back and forth, so that the two ends of the arc-shaped plate swing back and forth, the whole mounting plate is driven to swing, materials moved out of cleaning liquid can be swung, the cleaning liquid on the outer sides of the materials is swung down, and the drying efficiency is improved. By designing the sliding frame, the sliding frame can be moved out from the mounting plate in a sliding manner, so that the optical parts can be conveniently disassembled and assembled from the sliding frame subsequently, and the clamping frame is automatically horizontal after the sliding frame is moved away from the lower part of the mounting plate, so that the multiple optical parts can be conveniently clamped through the clamping frame.

The utility model discloses an armored thermocouple, which comprises an armored body in which a thermocouple is arranged, and is characterized in that a placing cavity is arranged in the armored body, a threaded hole is arranged in the armored body, an external thread plate is arranged in the threaded hole in a threaded fit connection manner, and the external thread plate is arranged in the placing cavity. The top of the external thread plate is provided with an installation assembly used for placing a thermocouple plate part, the lower side of the threaded hole is provided with an inner cavity, and the external thread plate is internally provided with a clamping assembly which can clamp a thermocouple wire end part after the external thread plate moves downwards. A thermocouple plate part is placed on the inner cavity of the cylinder, and in the process of rotating the cylinder body, the abutting plate is utilized to gradually clamp the wire end part of the thermocouple, so that the position of the thermocouple in the armoring body is kept, and the thermocouple is prevented from loosening.

The invention discloses a clamping-adjustable clamp for machining a motorcycle shock absorber, and relates to the technical field of clamping tools, the clamping-adjustable clamp comprises a supporting base, a linear guide rail and a punching device, side plates are symmetrically fixed to the top of the supporting base, an upper pressing plate is fixedly connected to the top ends of the side plates, and the clamping-adjustable clamp further comprises a clamping mechanism arranged in a top plate, an adjusting mechanism is arranged in the bottom plate; the clamping mechanism comprises an inner clamping plate and an outer clamping plate, a cylindrical groove is formed in the middle of the interior of the top plate, and the interior of the cylindrical groove is rotationally connected with a double-end lead screw; the adjusting mechanism comprises a top groove, a guide rod is fixedly connected to the interior of the top groove, and a sliding sleeve is slidably connected to the outer side of the guide rod, so that the problems that the interior of the aluminum cylinder is lack of support, when the clamping force of the device is too small, the aluminum cylinder is inconvenient to fix, and when the clamping force is too large, the aluminum cylinder is easily pressed and deformed, so that the finished product quality of the aluminum cylinder is reduced, and the production cost is reduced are solved. And the production cost is increased.

The utility model discloses a pressure vessel welding butt joint device, which relates to the technical field of welding butt joint devices and comprises a bottom plate, a movable connecting shaft, a bottom supporting structure, an adjusting and fixing structure and a rotating structure. Two pressure containers are placed between the arc-shaped clamping plates on the two sides, then the electric push rod is started, the electric push rod drives the right supporting plate to slide on the sliding groove, then the rotating structure and the movable connecting shaft at the right end are driven to slide in the direction of the connecting plate, and the operation is beneficial for clamping the pressure containers; therefore, the stability of the pressure vessel during butt joint is improved. The connecting telescopic rod stretches out and draws back, stretching out and drawing back of the arc-shaped clamping plates are driven by stretching out and drawing back of the connecting telescopic rod, then the size of an annular ring formed by the arc-shaped clamping plates is adjusted, and therefore the device adapts to pressure containers of different sizes; the telescopic rod stretches out and draws back, the telescopic rod stretches out and draws back to drive the two supporting arc-shaped plates to stretch out and draw back, and the operation is beneficial to exerting lower end supporting force on the pressure container, so that the pressure container is more stable and smoother in the welding work.

The invention discloses a gluing device for display screen substrate processing, and relates to the technical field of display screen substrate processing equipment.The gluing device comprises a gluing processing platform and a conveying mechanism, the conveying mechanism is fixedly installed on one side of the upper end of the gluing processing platform, and the output end of the conveying mechanism is fixedly connected with a gluing machine supporting and transferring rack; and a gluing mechanism body is movably connected to the outer surface of the upper end of the gluing machine supporting and transferring rack. The lower flexible elastic hook plate I, the lower flexible elastic hook plate II and the upper hook plate are jointly matched to form a plurality of groups of opposite bottom supporting structures to support the bottom of the display screen substrate, so that the substrate is prevented from being damaged by pressure generated during dispensing; and through elastic compression of the arc-shaped abutting rebounding protection plates and the abutting stretching plates and the deformation effect of buffering the stacked balloons, the vibration force of external pressure on the base plate can be weakened, and the buffering effect and stability during gluing operation are improved.

The utility model relates to the technical field of laser cutting, in particular to a laser cutting platform fixing clamping device which comprises a base, a moving rod, a clamping block, a rotating shaft, a clamping jaw, a gear, a sliding groove, a sliding rod, an abutting plate, a rack and the like. Through sliding motion of the moving rod, the abutting plate is driven to make contact with a workpiece, then the sliding rod is driven to slide in the sliding groove, and the gear rotates and drives the clamping jaw to clamp the workpiece. The clamping device has the beneficial effects that the workpiece can be conveniently and rapidly clamped and fixed, the clamping operation steps are simplified, and the clamping efficiency is improved.

According to the efficient multi-wire gas shielded welding gun, three auxiliary gun bodies are integrated in a main gun body shell through a welding gun base, included angles are designed between the axes of the three auxiliary gun bodies and the axis of a main gun body, three electric arcs generated by the three auxiliary gun bodies during welding can be gathered, and welding bead separation generated under small welding parameters is effectively prevented; when the three sublance bodies ignite arcs at the same time, mutual interference among three arcs under large welding parameters is effectively reduced, and stability of the welding process is facilitated; the upper end structure of the welding gun base is designed to be of a hollow structure, circulating cooling of the three sub-gun bodies can be enhanced through external cooling water during welding, meanwhile, the three sub-gun bodies are internally provided with respective water cooling systems, and the water cooling effect of the whole gun body is remarkably improved through the cooling mode, so that large-current and large-voltage welding is achieved.

The invention relates to a method for preparing a heterostructure magnesium alloy based on low-temperature friction stir additive in the field of metal processing, and designs a high-quality and high-efficiency cooling tool, which mainly comprises the following steps: firstly, cooling alcohol to low temperature by using liquid nitrogen; then the magnesium alloy plate to be machined is fixed to a cooling tool in a lap joint mode, and the tool mainly comprises a device body (1), a cooling liquid inflow hole (2), a cooling liquid outflow hole (3), a workpiece containing groove (4), a liquid storage chamber (5), a pressing plate (6) and fastening screws (7); then low-temperature alcohol is introduced, an advancing path and technological parameters are set, first-layer stirring friction additive manufacturing is conducted, and in the machining process, a stirring head and a workpiece are always kept to be submerged in cooling liquid; then, the surface obtained after material adding is milled to be flat, a layer of plate is overlaid on the other unmachined surface again, and the plate is fixed into the workpiece containing groove; and finally, second-layer friction stir additive manufacturing is conducted on the other face of the plate according to the same parameters and the same path. The method can be suitable for additive manufacturing of low-melting-point metal such as magnesium alloy and aluminum alloy at the same time, the multi-scale gradient heterostructure magnesium alloy can be prepared at the same time, the preparation efficiency is improved, and high-quality and low-cost preparation of heterostructure materials is achieved.

The invention relates to the technical field of electromagnetic locks, in particular to a grounding electromagnetic lock based on an aviation plug integration technology, which comprises an electromagnetic lock body, the electromagnetic lock body comprises a bottom plate, a shell and disassembly and assembly mechanisms, the disassembly and assembly mechanisms are arranged at four corners of the bottom plate and the shell, a mounting plate is arranged at the bottom of the bottom plate, and the mounting plate is arranged on the bottom of the shell. A mounting plate is arranged on the bottom plate, a through groove is formed in the surface of the mounting plate, a grounding rod is arranged on the electromagnetic lock body, the grounding rod is inserted into the through groove, a connecting mechanism is arranged at the bottom of the mounting plate, the connecting mechanism is used for mounting the grounding rods with different diameters, and the bottom plate and the shell are connected through the dismounting and mounting mechanism. By conveniently disassembling and assembling the electromagnetic lock body, the maintenance time is shortened, fault maintenance is facilitated, and the electromagnetic lock is suitable for grounding rods of different diameter specifications.

The wood polishing device comprises a rack, a motor mounting frame is fixedly connected to the outer portion of the rack, a stepping motor is fixedly connected to the outer portion of the motor mounting frame, the output end of the stepping motor is fixedly connected with an overturning frame, and a polishing mechanism is arranged above the overturning frame. Belongs to the technical field of wood processing equipment. According to the wood grinding device, after one face of wood is ground, a grinding roller moves upwards to a designated position, a stepping motor drives the wood to turn over through an overturning frame, in the process, a first sliding rod is extruded by an inclined groove in a second groove, and a movable plate drives a gear to rotate through a third groove and the second sliding rod; and at the moment, the bearing plate and the clamping plate located on the upper surface of the wood start to be away from the wood, and the bearing plate and the clamping plate located on the lower surface of the wood start to be close to the wood, so that the wood is clamped, the wood is clamped from the two sides, the whole face of the wood can be completely presented, and the grinding roller can comprehensively grind the wood.

The invention relates to the technical field of vertical lathes, in particular to a multi-shaft vertical lathe convenient to move, which comprises a vertical frame and a lathe mechanism mounted in the vertical frame, and the lathe mechanism comprises a lathe assembly and a fixing assembly; in the using process, the base slides on the top of the sliding rail through pushing of the hydraulic rod, power is provided for the base, after the position of the base is fixed, the hydraulic rod stretches out and drags the rear positioning clamp forwards, and hydraulic oil is injected into the piston through the oil injection pipeline after the positioning clamp is dragged to a certain position; then a second clamping plate moves towards the interior of the sliding rail to fix the sliding rail, then the second clamping plate horizontally moves leftwards to drive a connecting rod to horizontally move leftwards, at the moment, a positioning clamp moves rightwards through the leftward acting force of the second clamping plate, and therefore the positioning clamp on the rear side moves in the opposite direction of the second clamping plate to be fixed to the top of the sliding rail; and at the moment, the hydraulic rod extends to push the base outwards to drive the base to translate.

The utility model discloses a steering gear shell machining hydraulic clamp which comprises a clamp bottom plate and two overturning seats, the two overturning seats are oppositely arranged at the two ends of the top face of the clamp bottom plate, a gap bridge plate is arranged between the two overturning seats, and the steering gear shell machining hydraulic clamp is characterized in that the gap bridge plate comprises a first station, a second station, a third station and a fourth station; wherein the first station and the second station are the same and each comprise a positioning seat and a rhombic pin seat which are arranged on the gap bridge plate, a pressing head is arranged in front of each positioning seat, the third station and the fourth station are the same and each comprise a first V-shaped positioning block, a second V-shaped positioning block and an auxiliary positioning seat which are arranged on the gap bridge plate, and pressing plates are arranged above the first V-shaped positioning block and the second V-shaped positioning block. The steering gear shell machining tool has the advantages that machining of a steering gear shell in multiple directions can be achieved through the overturning base, clamping is convenient, the gap bridge plate is provided with multiple stations, multiple steering gears can be clamped at a time, and the machining efficiency can be remarkably improved.

The invention provides a blade shroud shielding device for blade parts. The blade shroud shielding device comprises a first shielding part and a second shielding part, the second shielding piece is detachably connected with the first shielding piece, and the second shielding piece and the first shielding piece jointly define a containing space for containing parts; a first hollow area is formed in the first shielding piece, and the accommodating space is communicated with the outside through the first hollow area; the second shielding piece is provided with a second hollow area, and the second hollow area enables the containing space to be communicated with the outside. When the blade shroud shielding device shields the part, the first joint face of the part extends out of the containing space through the first hollowed-out area, and the second joint face of the part extends out of the containing space through the second hollowed-out area. Compared with the prior art, the blade shroud shielding device for the blade parts is simpler in clamping process, the production efficiency can be improved, the labor cost can be reduced, and the requirement for automatic mass production can be met.

The invention relates to the technical field of composite turn-milling machine tools, and discloses a numerical control composite turn-milling machine tool and a turn-milling method for precision part machining.The numerical control composite turn-milling machine tool comprises a device body, a sliding cover plate is slidably mounted on the outer portion of the device body, a machining bin is formed in the device body, and a milling mechanism is mounted in the machining bin; a movable sliding rail is installed in the machining bin, a turning mechanism is installed on the movable sliding rail in a sliding mode, and a driving mechanism is installed on the movable sliding rail. When the driving mechanism drives all the fixed clamping jaws to move towards the center of the clamp rotating disc, the fixed clamping jaws can clamp a part, and after the part is clamped, the limiting rotating disc continues to rotate, a buffer spring can be compressed, so that the clamping force of the fixed clamping jaws on the part is relieved; and when the internal structure of the part is changed in the machining process, the part can be better clamped through springback of the buffer spring, and the part is prevented from being disengaged from the clamp due to external deformation.

The invention provides a linear laser-assisted centering device and method for a drilling machine. The linear laser-assisted centering device comprises a base, a magnet, a laser adjusting seat and a linear laser transmitter. The laser adjusting seat is used for accommodating the linear laser transmitter, and screws are arranged on the periphery of the side surface of the laser adjusting seat to adjust the posture of the linear laser transmitter; the base comprises a shaft sleeve and branches; the shaft sleeve is sleeved on a drill clamp root flange seat of a drilling machine, and the central aperture of the shaft sleeve corresponds to the excircle diameter of the drill clamp root flange seat of the drilling machine; one end of the branch is connected to the shaft sleeve, and the other end of the branch is connected with the laser adjusting seat and fixes the laser adjusting seat; slotted holes are formed in the branches and used for connecting and fixing the base and a drilling machine; the magnets are inserted into the slotted holes of the branches and used for magnetically attracting the base to a drilling machine to be fixed. The positions of laser projection lines of the linear laser emitters are adjusted respectively, the laser projection lines are projected to a rear vertical plate through a middle gap of the laser position adjusting auxiliary sample plate, and workpiece centering is achieved.

The utility model discloses a vehicle bushing rigidity testing device, and relates to the technical field of automobile part processing, the vehicle bushing rigidity testing device comprises a testboard and a sliding seat, the left side of the top of the testboard is provided with a servo motor, and the output end of the servo motor penetrates through the top of the testboard and is connected with a first ball screw; and a transmission belt is arranged outside the first ball screw, a second ball screw is further connected to the interior of the transmission belt, and screw nuts are connected to the exteriors of the first ball screw and the second ball screw. According to the rigidity testing device for the bushing for the vehicle, a servo motor works to drive a first ball screw to rotate, and the first ball screw drives a transmission belt to drive second ball screws to rotate, so that three groups of screw nuts can respectively move downwards in the vertical direction along the exteriors of the first ball screw and the two second ball screws; in this way, the effect of controlling the three stations under the action of one set of servo motors is achieved, the testing efficiency is improved, and meanwhile the set number of the servo motors is reduced.

The invention discloses a mast mechanism capable of automatically adjusting the angle of a lamp holder by detecting the environment, and relates to the technical field of masts. Comprising a lamp holder, a clamping mechanism is installed on the lamp holder, a pressurizing mechanism is installed on one side of the clamping mechanism, the pressurizing mechanism is connected with a dust removal box through a pipeline, the dust removal box is installed on the lamp holder, an identification mechanism is installed below the pressurizing mechanism, an illuminating lamp is installed on one side of the identification mechanism, and a flow guide cover is installed on one side of the illuminating lamp. The clamping mechanism is used for clamping the mast, the pressurizing mechanism is used for pressurizing the clamping mechanism and the dust removal box, the dust removal box is used for removing dust in the lamp holder, the adjusting mechanism is used for adjusting the angle of the flow guide cover, and the recognition mechanism is used for detecting the wind direction. The recognition mechanism recognizes the wind direction, the angle of the flow guide cover is adjusted through the wind direction, the adverse effect of the illuminating lamp is reduced, and the pressurization mechanism conducts pressurization treatment or negative pressure treatment on the dust removal box, the positioning block A and the flow guide cover.

The utility model relates to the field of fuse production, in particular to a packaging device for tin-plated alloy fuse production. The technical problems that according to a traditional mode, the two sides of a protective tube are not convenient to package at the same time, the packaging efficiency is low, the protective tube is not convenient to clamp during packaging, and the packaging precision is low are solved. A packaging device for tin-plated alloy fuse production comprises a bottom frame, a containing frame is fixedly connected to the bottom frame, a containing groove is formed in the containing frame, and two bearing frames are fixedly connected to the bottom frame. The lowest fuse is in contact with the heating frames, the two heating frames can heat one ends of the two fuses and the two ends of the protective tube, after heating is conducted for a period of time, the lowest fuse continues to move in the direction close to the protective tube to make contact with the protective tube, and the two sides of the protective tube can be packaged at the same time; and the packaging efficiency is improved.

The utility model relates to the technical field of clamps, in particular to a metal mechanical property testing machine clamp tool which comprises a base, two supports are fixedly installed on the top side of the base, a bidirectional lead screw adjusting structure is arranged on the two supports, and two T-shaped moving seats are arranged on the bidirectional lead screw adjusting structure. The clamping device has the advantages that the bidirectional lead screw adjusting structure, the T-shaped moving seat, the workpiece lifting structure, the first supporting plate, the second supporting plate, the fixing bolt, the rotating disc, the fixing inserting hole, the first clamping block, the second clamping block, the pressing hole and the pressing groove are arranged in a matched mode; according to the clamp tool, the first clamping block and the second clamping block with proper sizes can be selected according to the shape and the size of a workpiece, so that the clamp tool can clamp cylindrical and rectangular metal materials with staggered sizes, the application range of the clamp tool is expanded, and the practicability and the structural flexibility of the clamp tool are improved.

The invention relates to the technical field of manufacturing of agricultural machinery chopping systems, in particular to a welding device and method for welding a knife roll and a movable knife holder machining method. The device comprises a flexible platform, a rotating mechanism and a clamping mechanism, wherein the rotating mechanism and the clamping mechanism are vertically mounted on the flexible platform; the rotating mechanism comprises a fixed seat, a rotating seat and a positioning boss, the fixed seat is mounted on the flexible platform, the rotating seat is rotatably mounted at the top of the fixed seat, the positioning boss is mounted at the top of the rotating seat, and the fixed seat, the rotating seat and the positioning boss are coaxially arranged; the roller is vertically placed at the top of the rotating seat and is aligned by the positioning boss to be coaxial with the positioning boss; the clamping mechanism is located on one side of the rotating mechanism and used for clamping the movable tool apron. By arranging the rotating mechanism, the roller can be driven to rotate around the axis of the roller only by rotating the rotating seat, the gravity direction of the roller, the axis of the roller and the rotating axis are located on the same straight line, more labor and time are saved during overturning of the roller, and the working efficiency is improved.

The present invention relates to a single traction machine for aluminum profiles, comprising a traction frame, a first moving trolley and a second moving trolley, wherein the top of the traction frame is provided with a traction guide rail, and the first moving trolley and the second moving trolley are both slidably mounted on the traction guide rail; and further comprising a cutting device, a material lifting device, a traction device, a trolley driving device for driving the first moving trolley, and a trolley moving device for driving the second moving trolley. The single traction machine for aluminum profiles provided by the present invention is easy to use, can effectively protect the surface of the aluminum profile, and is convenient for inserting the aluminum profile into the traction machine for clamping. At the same time, only one set of cylinders is needed to realize the retraction and pushing of the clamping device, the structure and control are simple, the working efficiency is high, and the equipment cost is reduced.

The invention discloses a welding device for mining mechanical equipment manufacturing, and belongs to the technical field of mining mechanical equipment manufacturing. A welding device for mining mechanical equipment manufacturing comprises a workbench and mining mechanical equipment parts arranged on the workbench, a welding assembly is arranged at the top of the workbench, two moving boxes are arranged on the surface of the workbench, clamping assemblies are arranged in the moving boxes, and first motors are fixedly installed outside the moving boxes; according to the welding device for manufacturing the mining mechanical equipment, parts needing to be welded are placed above the two moving boxes correspondingly, a first motor is started to drive a first screw to rotate, and a vertical plate and a clamping plate at the top are driven to slide in the direction of a U-shaped frame through the vertical plate in threaded connection; and therefore, the mining mechanical equipment parts are rapidly clamped and fixed through the clamping plates and the U-shaped frame, the welding efficiency of the mining mechanical equipment parts is effectively improved, and a large amount of operation time is saved.

The invention discloses a cabin machining and clamping device, relates to the technical field of machining, and aims to solve the problem of poor cabin workpiece alignment and clamping quality in the prior art. The cabin machining clamping device comprises a chassis assembly, a pressing disc, a tensioning assembly and a pressing assembly, a cabin workpiece is arranged between the chassis assembly and the pressing disc, the chassis assembly and the pressing disc are connected through the tensioning assembly and fix the cabin workpiece, the pressing assembly is arranged on the chassis assembly, and the pressing assembly is arranged on the pressing disc. The fixing device is used for fixing the connection between the cabin body workpiece and the chassis assembly. According to the cabin machining and clamping device, a cabin workpiece can be conveniently positioned and clamped, operation is easy and convenient, the structure is simple, and the cabin workpiece can be rapidly aligned and clamped.

The utility model discloses an aircraft thin-wall part machining device, and relates to the technical field of aircrafts. The aircraft thin-wall part machining device comprises a bottom plate, thin-wall channel steel, a transverse plate and a moving structure, an L-shaped plate and a base plate are fixedly installed at the top of the bottom plate, two sets of clamping plates distributed left and right are arranged at the top of the bottom plate, a bidirectional lead screw is arranged on the bottom plate, the thin-wall channel steel is placed on the base plate, and the transverse plate is arranged at the top of the bottom plate. Two sets of vertical plates distributed front and back are arranged at the bottom of the transverse plate, polishing plates are arranged on the vertical plates, a two-way threaded rod is arranged on the transverse plate, and the moving structure is arranged on the L-shaped plate and the transverse plate. According to the aircraft thin-wall part machining device, the two faces of thin-wall steel channels can be polished at the same time, then the machining efficiency is improved, the thin-wall steel channels of different sizes can be machined, the application range of the device is widened, and the practicability of the device is improved.

The invention relates to a universal mandrel groove grinding device, in particular to a universal mandrel adjustable groove grinding device and a groove grinding method, and aims at solving the technical problems that when an existing clamp is used for grinding sliding grooves of a universal mandrel, it is difficult to guarantee that the included angle between the groove and the central axis of the mandrel meets the technical requirement, indexing of the three sliding grooves is inaccurate, and the repeated positioning precision is low. The device comprises a wedge-shaped bottom plate, and a first clamping mechanism, an indexing mechanism, a supporting mechanism and a second clamping mechanism which are arranged on the wedge-shaped bottom plate, the first clamping mechanism and the second clamping mechanism are used for positioning the universal mandrel to be subjected to groove grinding from the two ends in the axial direction correspondingly. The supporting mechanism is used for supporting and fixing a universal mandrel of a to-be-ground groove; the indexing mechanism comprises a tooth aligning pin seat, a tooth aligning pin and an indexing ring; the tooth aligning pin is mounted on the tooth aligning pin seat, and positioning teeth are arranged at the top of the tooth aligning pin; a plurality of jackscrews are arranged on the indexing ring; a positioning groove is formed in the peripheral surface of the indexing ring; and the positioning teeth are matched with the positioning grooves so as to realize circumferential positioning of the universal mandrel to be subjected to groove grinding.

The utility model discloses a tensile and compressive strength detection device in the technical field of detection devices, which comprises a bottom plate, a support plate is welded at the bottom of the bottom plate, a fixed plate is welded on one side of the upper end of the bottom plate, and a movable plate is movably connected with the other side of the upper end of the bottom plate. The other side of the upper end of the bottom plate is movably connected with the movable plate, one side of the fixed plate and one side of the movable plate are both provided with the clamping balls in a clamping mode through the clamping blocks, the clamping balls rotate on the clamping blocks at multiple angles, the clamping ends of the clamping claws clamp the two ends of a material through the cooperation of the transverse plates and the tensioning rods, and the movable plate is tensioned through the steel cable; meanwhile, the steel cable forms a pulley block through a plurality of movable pulleys and fixed pulleys, one end of the steel cable is connected with a plurality of balancing weights through a mounting rod, the steel cable is pulled under the gravity action of the balancing weights, the tensile force of the movable plate is adjusted by accumulating the balancing weights, stable and long-time tensile strength detection of the clamping material is carried out, and extra power equipment is not needed.